Compaq tc1100 HP Compaq tc1100 Tablet PC - Maintenance and Service Guide
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- Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 1
Compaq tc1100 Tablet PC Document Part Number: 335572-004 October 2005 This guide is a troubleshooting reference used for maintaining and servicing the tablet PC. It provides comprehensive information on identifying tablet PC features, components, and spare parts, troubleshooting tablet PC problems - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 2
Company, L.P. Microsoft and Windows are U.S. registered trademarks of services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Maintenance and Service Guide HP Compaq tc1100 Tablet PC - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 3
Power Management 1-5 1.4 Tablet PC External Components 1-6 1.5 Keyboard Components 1-20 1.6 HP Tablet PC Docking Station Components . . . . . 1-24 1.7 Design Overview 1-28 2 Troubleshooting 2.1 Setup and Diagnostics Utilities 2-1 Selecting Setup or HP Diagnostics 2-1 Selecting from the File - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 4
Parts Catalog 3.1 Serial Number Location 3-1 3.2 HP Compaq Tablet PC System Major Components . 3-2 3.3 Miscellaneous Cable Kit Components 3-8 3.4 Miscellaneous Plastics/Hardware Kit Components . 3-9 3.5 Keyboard 3-10 3.6 Optional HP Tablet PC Docking Station 3-11 3.7 HP Tablet PC Docking Station - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 5
5-3 5.3 Preparing the Tablet PC for Disassembly 5-4 Before You Begin 5-4 5.4 Real-Time Clock Battery 5-13 5.5 Hard Drive 5-14 5.6 Display Panel Assembly 5-17 5.7 System Board 5-26 5.8 Fan and Heat Sink 5-36 5.9 Optional HP Tablet PC Docking Station 5-38 Maintenance and Service Guide v - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 6
Contents 6 Specifications A Connector Pin Assignments B Power Cord Set Requirements C Screw Listing D Display Component Recycling Index vi Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 7
MB of video DDR SDRAM. The primary pointing device on the tablet PC is the tablet PC pen. Handwriting recognition software is available in Microsoft® Windows® XP Tablet PC Edition 2005, the operating system installed on the tablet PC. HP Compaq tc1100 Tablet PC Maintenance and Service Guide 1-1 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 8
pointing stick device. The optional HP Tablet PC Docking Station (not shown) provides access to a MultiBay and a variety of connectors. HP Compaq tc1100 Tablet PC with Optional Keyboard 1.1 Features ■ 1.2-, 1.1-, or SDRAM, expandable to 2 GB, depending on model 1-2 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 9
(SD) Memory Card slot ■ External 65 W AC adapter with power cord ■ Six-cell, 11.1 V, 3.6-Ah Li-Ion battery pack ■ 80-, 60-, 40-, or 30-GB high-capacity hard drive, varying by tablet PC model ■ Support for the following drives through the MultiBay (with optional External MultiBay or docking station - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 10
-out (headphone) ❏ Mono microphone ❏ External MultiBay ❏ Keyboard ❏ Docking station ■ Support for the following connectors on the optional Docking Station: ❏ External MultiBay ❏ RJ-45 (network) ❏ USB ❏ External monitor ❏ AC power ❏ Stereo audio-out (headphone) 1-4 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 11
the battery pack at this time. 5. Connect AC power to the tablet PC. 6. Turn on the tablet PC. All setup and power-on passwords have been cleared. 1.3 Power Management The tablet PC comes with power management features that extend battery operating time and conserve power. The tablet PC supports the - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 12
Product Description 1.4 Tablet PC External Components The external components on the front of the tablet PC are shown in the following illustration and described in Table 1-1. Front Components 1-6 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 13
: A battery pack that is the only available power source has reached a low-battery condition. On: AC power is being supplied through the AC adapter. When Windows is running, opens the Microsoft Tablet PC Input Panel application, which includes a handwriting pad and an on-screen keyboard. While - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 14
button Ejects an optional PC Card from the PC Card slot. 3 PC Card slot Supports an optional Type I or Type II 32-bit (CardBus) or 16-bit PC Card. *If an optional External MultiBay is connected to the USB port, the External MultiBay must also be connected to external power. If an External - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 15
contacts the screen. 6 Tablet PC tether eyelet Used with the tether eyelet on the pen, enables you to tether the pen to the tablet PC. 7 SD Card slot Supports an optional SD Card. 8 External MultiBay connector* Connects and provides power for an optional USB 1.1 or USB 2.0 device. 9 RJ - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 16
cable to the tablet PC. 2 Screen protector slots (2) Ä Security solutions are designed to act as deterrents These deterrents may not prevent a product from being mishandled or stolen. Secure the optional screen protector when it is attached to the tablet PC. 1-10 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 17
PC. 6 Alignment key slot Accepts an alignment key to safeguard attachment procedures. For example, matching the alignment key on an optional tablet PC keyboard to the alignment key slot helps you to correctly orient the tablet PC to the keyboard as you connect them. Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 18
the right side of the tablet PC are shown in the following illustration and described in Table 1-4. Right-Side Components Item Component 1 Jog dial Table 1-4 Left-Side Components Function Functions like the enter key and the up and down arrow keys on a standard keyboard. ■ Press inward to enter - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 19
6 Component Function esc button While the tablet PC is ■ Starting up and a flashing pointer is displayed on the screen, opens the Setup utility. ■ In Windows, functions like the esc key on a standard keyboard. Windows security button When pressed with the pen tip or a small object such as the - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 20
restore from hibernation. If the system has stopped responding and Windows shutdown procedures cannot be used, slide and hold for 4 seconds to turn off the tablet PC. ■ On: tablet PC is on. ■ Flashing: tablet PC is in standby. ■ Off: tablet PC is off or in hibernation. 1-14 Maintenance and Service - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 21
Tablet PC Docking Station. Produce stereo sound. Connects optional stereo headphones or powered stereo speakers. Connects an optional headset, such as a mobile telephone headset with a microphone and a monaural ear piece. Connects an optional stereo microphone. Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 22
PC is being used in portrait orientation on a flat surface, can elevate the top of the tablet PC to provide a comfortable writing and viewing angle. Accepts the docking restraint latch on an optional docking station to secure the tablet PC to the Docking Station. 1-16 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 23
with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950). Releases an optional screen protector or tablet PC keyboard from the universal attachment slots on the tablet PC. Maintenance and Service Guide 1-17 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 24
button Battery pack release latch Function Secures the hard drive bay cover to the tablet PC. Holds the system hard drive. Secure the hard drive in the hard drive bay. Stabilize the tablet PC when it is placed on a flat surface. Holds the battery pack. Secures the battery pack to the tablet PC. On - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 25
only a Mini PCI device authorized for use by the governmental agency that regulates wireless devices in your country. If you install a device and then receive a warning message, remove the device to retore tablet PC functionality. Then contact Customer Care. Maintenance and Service Guide 1-19 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 26
in Table 1-7. Keyboard Top Components Table 1-7 Keyboard Top Components Item Component 1 Alignment key 2 Keyboard hooks (2) Function Ensures that the tablet PC is attached to the keyboard in the correct orientation. Secure the tablet PC to the keyboard. 1-20 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 27
to the keyboard. Docking alignment notches (4) Help guide the tablet PC and keyboard into an optional HP Tablet PC Docking Station. Docking connector pass-through Enables the optional docking station to be connected to the tablet PC while the keyboard is attached to the tablet PC. Pointing - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 28
F1 opens a Help file. To enter an F11 function, press F11/F12. To enter an F12 function, press Fn+F11/F12. Combines with other keys to perform system tasks. For example, pressing Fn+num lk turns on the keypad. Displays the Microsoft Windows Start Menu. Displays a shortcut menu for items beneath the - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 29
Alignment key slots Function Attach the screen protector to the keyboard. Releases a portfolio or optional screen protector from the keyboard. Secure the portfolio or optional screen protector to the keyboard. Accept alignment keys to ensure proper orientation. Maintenance and Service Guide 1-23 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 30
Product Description 1.6 HP Tablet PC Docking Station Components The upper and right-side components on the optional HP Tablet PC Docking Station are shown in the following illustration and described in Table 1-10. Docking Station Upper and Right-Side Components 1-24 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 31
Station Upper and Right-Side Components Item 1 2 Component Docking stand Docking eject pin 3 Release handle 4 Docking connector 5 Docking restraint latch 6 Docking alignment brackets (2) 7 Security cable slot Function Holds the tablet PC when it is docked. Disconnects the tablet PC - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 32
Product Description The front and left-side components on the optional docking station are shown in the following illustration and described in Table 1-11. Docking Station Front and Left-Side Components 1-26 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 33
6 Audio-out (headphone) jack 7 USB ports (3) 8 AC power connector Function Tilts the docking stand forward and backward to enable different viewing angles and different docking modes. Supports a diskette drive, CD-ROM or CD-RW drive, DVD-ROM drive, DVD/CD-RW Combo Drive, or second hard drive - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 34
replacement parts, and Chapter 5, "Removal and Replacement Procedures," for disassembly instructions. The system board provides the following device connections: ■ Memory module ■ Hard drive ■ Display ■ Optional keyboard and pointing stick ■ Audio ■ Intel Pentium M or Celeron M processor ■ Fan ■ PC - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 35
possible to ❏ Display system information. ❏ Test system components. ❏ Troubleshoot a device configuration problem in Windows Tablet PC Edition. ✎ It is not necessary to configure a device connected to a USB port on the tablet PC or to an optional docking station. Maintenance and Service Guide 2-1 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 36
Troubleshooting Using Setup Information and settings in Setup are accessed from the File, Security, or Advanced menus: 1. Turn on or restart the tablet PC. Press F10 while the F10 = ROM Based Setup message displays in the lower-left corner of the screen. ❏ To change the language, press F2. ❏ To view - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 37
from the File Menu Troubleshooting Select System Information Save to Floppy Restore from Floppy Restore Defaults Ignore Changes and Exit Save Changes and Exit Table 2-1 File Menu To Do This ■ View identification information about the tablet PC, a docking station, and any battery packs in the - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 38
from the Windows Control Panel.) Enter, change, or delete a power-on password. Enable/disable DriveLock; change a DriveLock User or Master password. ✎ DriveLock Settings are accessible only when you enter Setup by turning on (not restarting) the tablet PC. 2-4 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 39
been set. Enable/disable: ■ Ports or diskette drives ■ Diskette write* ■ CD-ROM or diskette startup ✎ Settings for a DVD-ROM can be entered in the CD-ROM field. Enter identification numbers for the tablet PC, a docking station, and all battery packs in the system. Maintenance and Service Guide 2-5 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 40
/disable USB legacy support for a USB keyboard. When USB legacy support is enabled, the keyboard works even when a Windows operating system is not loaded. ■ Set an optional external monitor or overhead projector connected to a video card in a docking station as the primary device. When the tablet PC - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 41
in the SpeedStep window. When Disable is selected, the tablet PC runs in Battery Optimized mode. ■ Specify how the tablet PC recognizes multiple identical docking stations that are identically equipped. Select Disable to recognize the docking stations as a single docking station; select Enable to - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 42
Troubleshooting 2.2 Using HP Diagnostics for Windows When you access HP Diagnostics for Windows, a scan of all system components is displayed on the screen before the HP Diagnostics window opens. You can display more or less information from anywhere within HP Diagnostics for Windows by selecting - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 43
Troubleshooting tablet PC, along with their error codes. 8. Select a tab to save the report: ❏ Log tab-Select Log tab Save. ❏ Error tab-Select Error tab Save. 9. Select a tab to print the report: Log tab-Select File > Save As, and then print the file from your folder. Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 44
Flowchart 2.4-No Power, Part 3." "Flowchart 2.5-No Power, Part 4." "Flowchart 2.6-No Video, Part 1." "Flowchart 2.7-No Video, Part 2." "Flowchart 2.8-Nonfunctioning Docking Station (if applicable)." "Flowchart 2.9-No Operating System (OS) Loading." "Flowchart 2.10-No OS Loading from Hard Drive, Part - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 45
N Is there video? (no boot) Y N Is the OS loading? Y N Is there sound? Y Check LED board, speaker connections. Y Go to Flowchart 2.6-No Video, Part 1. Y Go to Flowchart 2.9-No Operating System (OS) Loading. Y Go to Flowchart 2.15-No Audio, Part 1. N All drives working? N Keyboard/ pointing device - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 46
Troubleshooting Flowchart 2.2-No Power, Part 1 No Power (power LED is off). Remove from docking station (if applicable). N Power up on battery power? Y N Power up on AC power? Y Y Power up in docking station? N *Reset power. *Reset power. N Power up on battery power? Y Go to Flowchart 2.3-No - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 47
in battery socket and clean if necessary. Y Power on? N Check battery by recharging, moving it to another tablet PC, or replacing it. Done N Power on? Y Replace power supply (if applicable). N Done Power on? Y Go to Flowchart 2.4-No Power, Part 3 Done Maintenance and Service Guide 2-13 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 48
Troubleshooting Flowchart 2.4-No Power, Part 3 Continued from Flowchart 2.3-No Power, Part 2. Plug directly into AC outlet. Y Power LED on? N Reseat AC adapter in tablet PC and at power source. Y Power on? N N Power outlet active? Y Replace power cord. Y Power on? N Done Done Try different - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 49
Replace the following items (if applicable). Check tablet PC operation after each replacement: 1. Internal AC-DC converter* 2. Internal AC adapter 3. Processor board* 4. System board* *NOTE: Replace these items as a set to prevent shorting out among components. Maintenance and Service Guide 2-15 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 50
Troubleshooting Flowchart 2.6-No Video, Part 1 No Video. Stand-alone or in docking station? Docking Station Go to Flowchart 2.7-No Video, Part 2. *NOTE: To change from internal to external display, use the hotkey combination. Stand-alone Internal or external display*? External Adjust - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 51
2.7-No Video, Part 2 Troubleshooting Continued from Flowchart 2.6-No Video, Part 1. Remove tablet PC from docking station, if connected. Adjust display brightness. Check brightness of external monitor. N Video OK? Y Go to Flowchart 2.6-No Video, Part 1. N Y Video OK? Check that tablet PC is - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 52
into docking station. Y Docking station operating? N Done Replace the following docking station components one at a time. Check tablet PC operation after each replacement. 1. Power supply 2. I/O board 3. Backplane board 4. Switch box 5. Docking motor mechanism 2-18 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 53
Troubleshooting 2.2.1Flowchart 2.9-No Operating System (OS) Loading No OS loading.* Reseat power cord in docking station and power outlet. No OS loading from hard drive, go to Flowchart 2.10-No OS Loading from Hard Drive, Part 1. No OS loading from diskette drive, go to Flowchart 2.13-No OS - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 54
2.11-No OS Loading from Hard Drive, Part 2. Done N Boot from diskette? Y Change boot priority through the setup utility and reboot. N Boot from hard drive? Y Go to Flowchart 2.13-No OS Loading from Diskette Drive. Go to Flowchart 2.17-Nonfunctioning Device. 2-20 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 55
, then format hard drive to bootable C:\ prompt. Hard drive formatted? Y Format hard drive and bring to a bootable Y C:\ prompt. Tablet PC booted? N Go to Flowchart 2.12-No OS Loading from Hard Drive, Part 3. Load OS using Restore disc (if applicable). Maintenance and Service Guide 2-21 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 56
Troubleshooting Flowchart 2.12-No OS Loading from Hard Drive, Part 3 Continued from Flowchart 2.11-No OS Loading from Hard Drive, Part 2. N System files on hard drive? Y Install OS and reboot. Y Virus on hard drive? N Run SCANDISK and check for bad sectors. N Can bad sectors be fixed? Y Clean - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 57
the Setup utility? Y Y Diskette drive boot order? N N Bootable diskette in drive? Install bootable diskette and reboot tablet PC. Y Go to Flowchart 2.17-Nonfunctio ning Device. Check diskette for system files. Try different diskette. Enable drive and cold boot tablet PC. Clear CMOS. Refer to - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 58
Troubleshooting Flowchart 2.14-No OS Loading from Optical Drive No OS loading from CD-ROM or DVD-ROM Drive. N Disc in drive? Y Y N Bootable disc in drive? Install bootable disc and reboot tablet PC. Install bootable disc. Try another bootable disc. Y Boots from CD or DVD? N Done Y - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 59
Troubleshooting Flowchart 2.15-No Audio, Part 1 No audio. Turn up audio internally or externally. Y Audio? N Done Y Tablet PC in docking station (if applicable)? N Undock N Internal audio? Go to Flowchart 2.16-No Audio, Part 2 Y Go to Flowchart 2.16-No Audio, Part 2 Replace the - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 60
set configuration in OS. Connect to external speaker. N Audio? Y Y Replace audio board and speaker connections Audio? in tablet PC (if applicable). N Done 1. Replace internal speakers. 2. Replace audio board (if applicable). 3. Replace system board. 2-26 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 61
for bent or broken pins or other damage. Clear CMOS. Reattach device. Close tablet PC, plug in power, and reboot. N Device boots properly? Y Y Any physical device detected? N Possible bad hard drive. Replace drive. Possible bad NIC. Replace card. If integrated NIC, replace system board. Fix or - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 62
operating properly. Connect tablet PC to good external keyboard. N External device works? Y Replace system board. Reseat internal keyboard connector (if applicable). N OK? Y Replace internal keyboard or cable. Y Done OK? N Replace system board. Done 2-28 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 63
. Connect tablet PC to good external pointing device. N External device works? Y Replace system board. Reseat internal pointing device connector (if applicable). N OK? Y Replace internal pointing device or cable. Y Done OK? N Replace system board. Done Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 64
to nondigital line. N N NIC/modem configured in OS? Y Reload drivers and reconfigure. N Y OK? Disconnect all power from the tablet PC and open. Reseat NIC/modem (if applicable). Replace NIC/modem (if applicable). Y OK? N Replace system board. Done Done 2-30 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 65
breakdown and a reference for spare part numbers and option part numbers. 3.1 Serial Number Location When ordering parts or requesting information, provide the tablet PC serial number and model number located on the bottom of the tablet PC. Serial Number Location Maintenance and Service Guide 3-1 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 66
Illustrated Parts Catalog 3.2 HP Compaq Tablet PC System Major Components HP Compaq Tablet PC Major Components 3-2 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 67
cable Display panel cable Modem cable Miscellaneous Plastics/Hardware Kit, includes: 348350-001 PC Card slot space saver SD Card slot space saver Connector cover Mini PCI communications/memory module compartment cover Hard drive cover Keyboard release assembly Maintenance and Service Guide 3-3 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 68
Illustrated Parts Catalog Tablet PC Major Components 3-4 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 69
) Heat sink (not illustrated separately) Switch board Base enclosure (includes battery shield, hard drive bracket, LED board assembly, and shields) Speaker assembly (includes audio board) Memory module (DDR, 256 MB) DDR, 1024 MB DDR, 512 MB DDR, 256 MB Spare Part Number 392604-001 374023-001 393957 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 70
Illustrated Parts Catalog Tablet PC Major Components 3-6 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 71
-001 Bluetooth module 348334-001 Real-time clock (RTC) battery 348329-001 Hard drives 30-GB, 4200 rpm 40-GB, 4200 rpm 40-GB, 5400 rpm 60-GB, 5400 rpm 80-GB, 5400 rpm 348339-001 348340-001 374025-001 348341-001 366786-001 Battery pack, Li-Ion 348333-001 Maintenance and Service Guide 3-7 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 72
Catalog 3.3 Miscellaneous Cable Kit Components Miscellaneous Cable Kit Components Table 3-2 Miscellaneous Cable Kit Components Spare Part Number 348335-001 Item 1 2 3 4 5 Description Audio cable Inverter cable Digitizer cable Display panel cable Modem cable 3-8 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 73
Plastics/Hardware Kit Components Spare Part Number 348350-001 Item 1 2 3 4 5 6 Description PC Card slot space saver SD Card slot space saver Connector cover Memory module/Mini PCI communications compartment cover Hard drive cover Keyboard release assembly Maintenance and Service Guide 3-9 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 74
Parts Catalog 3.5 Keyboard Tablet PC Keyboard Table 3-4 Tablet PC Keyboard Spare Part Number Information Description Asia/Pacific Australia Denmark European European A4 France French Canada German Italy Japan Japan (English) Korea Spare Part Kingdom United States Spare Part Number 348325-161 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 75
Illustrated Parts Catalog 3.6 Optional HP Tablet PC Docking Station Optional HP Tablet PC Docking Station Table 3-5 Optional HP Tablet PC Docking Station Spare Part Number Information Description HP Tablet PC Docking Station Spare Part Number 348338-001 Maintenance and Service Guide 3-11 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 76
Illustrated Parts Catalog 3.7 HP Tablet PC Docking Station Components HP Tablet PC Docking Station Components 3-12 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 77
Illustrated Parts Catalog Table 3-6 HP Tablet PC Docking Station Components Spare Part Number Information Item 1 2 3 4 Description Docking stand and pivot arm Top case Board assembly Bottom case Spare Part Number 349090-001 349091-001 349093-001 349092-001 Maintenance and Service Guide 3-13 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 78
-AD1 198723-AA1 Sweden Switzerland Taiwan The United Kingdom The United States AC adapter, 65 W Pen (uses a 1.5 VDC, AAAA battery) With eraser Without eraser Pen tips Pen receptacle Tablet PC Miscellaneous Screw Kit (includes the following screws; refer to Appendix C, "Screw Listing." for - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 79
Keyboard for use in Latin America Keyboard for use in Russia Keyboard for use in Thailand Keyboard for use in Japan Keyboard for use in the Asia Pacific Keyboard for use in Japan (English) Keyboard for use in Belgium Keyboard for use in the People's Republic of China Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 80
M processor, without memory Battery pack, Li-Ion, 3.6-AHr Bluetooth wireless device Miscellaneous Cable Kit Top case with inverter Digitizer Docking station Hard drive, 30-GB, 4200-rpm Hard drive, 40-GB, 4200-rpm Hard drive, 60-GB, 5400-rpm Fan Memory module, 1-GB, (333 MHz) Memory module, 256-MB - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 81
card, 802.11b Intel for use in most of the world Docking stand and pivot arm Top case, docking station Bottom case Board assembly Mini PCI communications card, 802.11a/b/g Mini PCI communications card, 802.11a/b/g Japan Modem Hard drive, 80-GB, 5400-rpm Maintenance and Service Guide 3-17 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 82
-MHz Intel Celeron M processor, without memory Hard drive, 40-GB, 5400-rpm Mini PCI communications card, 802.11b/g Intel for use in most of the world Mini PCI communications card, 802.11b/g Intel for use in the rest of the world Mini PCI Bluedog wireless communications card Mini PCI communications - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 83
4 Removal and Replacement Preliminaries This chapter provides essential information for proper and safe removal and replacement service. 4.1 Tools Required You need the following tools to complete the removal and replacement procedures: ■ Magnetic screwdriver ■ Torx T8 screwdriver ■ Phillips P0 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 84
force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions. Cables and Connectors Ä CAUTION: When servicing the tablet PC, ensure that cables are placed in their proper - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 85
the following precautions: ■ Before removing or inserting a hard drive, shut down the tablet PC. If you are unsure whether the tablet PC is off or in hibernation, turn on the tablet PC, and then shut it down. ■ Before removing a diskette drive or optical drive, ensure that a diskette or disc is not - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 86
electrostatic-sensitive parts in their containers until the parts arrive at static-free workstations. ■ Place items on a grounded surface before removing items from their containers. ■ Always be properly grounded when touching a sensitive component or assembly. 4-4 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 87
components, parts, and assemblies by the case or PCM laminate. Handle these items only at static-free workstations. ■ Avoid contact with pins, leads, or circuitry. ■ Turn off power and input signals before inserting or removing connectors or test equipment. Maintenance and Service Guide 4-5 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 88
with most types of shoes or boots. On conductive floors or dissipative floor mats, use foot straps on both feet with a minimum of one megohm resistance between the operator and ground. To be effective, the conductive strips must be worn in contact with the skin. 4-6 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 89
foam ■ Conductive tabletop workstations with ground cords of one megohm resistance ■ Static-dissipative tables or floor mats with hard ties to the ground ■ Field service kits ■ Static awareness labels ■ Material-handling packages ■ Nonconductive plastic bags, tubes, or boxes ■ Metal tote boxes - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 90
4,000 V 2,000 V Removing DIPS from Styrofoam 14,500 V 5,000 V 3,500 V Removing bubble pack from PCB 26,500 V 20,000 V 7,000 V Packing PCBs in foam-lined box 21,000 V 11,000 V 5,000 V ✎ A product can be Voltage Protection Level 1,500 V 7,500 V 5,000 V 4-8 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 91
Torx T8 and Phillips P0 screws are removed during the disassembly of the tablet PC and the docking station. There are 38 screws, in 4 different sizes, that may have to be removed, replaced, and loosened when servicing the tablet PC. There are 20 screws, in 4 different sizes, that must be removed and - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 92
Removal and Replacement Procedures 5.1 Serial Number Report the tablet PC serial number to HP when requesting information or ordering spare parts. The serial number is located on the bottom of the tablet PC. Serial Number Location 5-2 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 93
Preparing the tablet PC for disassembly SD Card and PC Card Digitizer pen Battery pack Memory module and PCI device Real time clock (RTC) battery Hard drive Display panel assembly Bridge battery Digitizer System board Bluetooth module Main memory Modem board Fan and heat sink Docking station Number - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 94
in hibernation, turn the tablet PC on and then shut it down through the operating system. 2. Disconnect all external devices connected to the tablet PC. 3. Disconnect the power cord. 4. Position the tablet PC so that the SD Card and PC Card slots are toward you. 5-4 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 95
5. Remove the SD Card and PC Card slot devices or space savers (if any) by following these steps: a. Press the SD Card 1 to release it. b. Remove the SD card from the slot 2. Releasing the SD Card (space saver shown) Removing the SD Card (space saver shown) Maintenance and Service Guide 5-5 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 96
card slot. ✎ The PC Card slot space saver and SD Card slot space saver are included in the Miscellaneous Plastics/Hardware Kit, spare part number 348350-001. e. Press the PC Card release button again to reset it 1. Removing the PC Card Device (space saver shown) 5-6 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 97
Removal and Replacement Procedures 6. Press the end of the pen 1 to release it from the holder. Then remove the pen from the holder 2. 7. Open the connector cover by pulling out and down on the notch 3. Removing the Pen and Opening the Connector Cover Maintenance and Service Guide 5-7 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 98
Battery Pack Spare Part Number Information Battery pack, Li-Ion 348333-001 8. Remove the battery pack by following these steps: a. Turn the tablet PC upside down, with the power/standby switch and jog dial toward you. b. Remove the optional PM2.0×4.0 retention screw 1 that secures the battery pack - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 99
Removal and Replacement Procedures Mini PCI Communications card Spare Part Number Information 802.11a/b/g 802.11a/b/g for international use 802.11a/b/g for use in Europe 802.11a/b/g -291 385759-001 374157-001 374158-001 348997-001 348996-001 379577-001 348334-001 Maintenance and Service Guide 5-9 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 100
Mini PCI communications/memory module slot cover. Removing the Memory Module/Mini PCI Communications Compartment Cover ✎ The Mini PCI communications/memory module slot cover is included in the Miscellaneous Plastics/Hardware Kit, spare part number 348350-001. 5-10 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 101
the connector at a 45-degree angle. Removing the Mini PCI Communications card Reverse the preceding procedures to install the Mini PCI communications card. Maintenance and Service Guide 5-11 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 102
the memory module 2 to the system board. The edge of the memory module rises at a 45-degree angle. c. Pull the memory module 3 away from the connector at a 45-degree angle. Removing the Memory Module Reverse the preceding procedures to install the memory module. 5-12 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 103
Turn the tablet PC upside down, with the power switch and jog dial toward you. 3. Disconnect the RTC battery cable 1 from the system board. 4. Remove the RTC battery 2 from the tablet PC. Removing the RTC Battery Reverse the preceding procedures to install the RTC battery. Maintenance and Service - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 104
348339-001 Remove the hard drive as follows: 1. Prepare the tablet PC for disassembly (refer to Section 5.3, "Preparing the Tablet PC for Disassembly"). 2. Remove the RTC battery (refer to Section 5.4, "Real-Time Clock Battery"). 3. Turn the tablet PC upside down with the power switch and jog dial - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 105
drive cover to the tablet PC. 5. Lift the front edge of the cover 2 and swing the cover back. 6. Remove the hard drive cover. ✎ The hard drive cover is included in the Miscellaneous Plastics/Hardware Kit, spare part number 348350-001. Removing the Hard Drive Cover Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 106
7. Use the tab 1 on the right side of the hard drive to slide the drive 2 to the right and disconnect it from the system board. 8. Remove the hard drive 3 from the tablet PC. Removing the Hard Drive Reverse the preceding procedures to install the hard drive. 5-16 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 107
Preparing the Tablet PC for Disassembly"). 2. Remove the RTC battery (refer to Section 5.4, "Real-Time Clock Battery"). 3. Remove the hard drive (refer to Section 5.5, "Hard Drive"). 4. Turn the tablet PC upside down with the power switch and jog dial toward you. Maintenance and Service Guide 5-17 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 108
corner and remove the TM2.5×8.0 screw 3 that secures the display panel assembly to the base enclosure. Removing the Display Panel Assembly Screws 5-18 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 109
3 nearest the edge of the base enclosure. 10. On the right side of the hard drive bay, pull the plastic tab connected to the digitizer cable 4 to the right to disconnect the cable. Removing the Display Panel Assembly Screw and Disconnecting the Digitizer Cable Maintenance and Service Guide 5-19 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 110
tablet PC right side up with the connector cover toward you. Make sure that the connector cover is open. 12. On the side of display panel assembly farthest from you, use a flat edge to pry the edge of the display panel assembly over the audio and Base Enclosure 5-20 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 111
Procedures 14. Release the ZIF connector 1 to which the audio cable is attached, and then disconnect the cable 2. 15. 16. Separate the display panel assembly and the base enclosure. Disconnecting the Audio and Inverter Cables Reverse the preceding procedures to reassemble and install the - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 112
Removal and Replacement Procedures 17. Remove the bridge battery as follows: d. Remove the bridge battery 1 from the panel bezel. a. Disconnect the bridge battery cable 2 from the panel inverter board. Removing the Bridge Battery 5-22 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 113
cable is attached and disconnect the cable from the system board 2. b. Swing the two flex cables 3 to the right. Disconnecting the Digitizer Cable. Maintenance and Service Guide 5-23 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 114
Removal and Replacement Procedures c. Remove the two PM 2.0×5.0 screws on the left side and the PM2.0×4.0 screw on the nearest side of the digitizer panel that secure the bracket to the panel assembly. Removing the Bracket Screws 5-24 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 115
Removal and Replacement Procedures d. Remove the two PM2.0×4.5 screws 1 that secure the digitizer to the display panel assembly. e. Lift the front edge of the digitizer 2 and slide it out 3 of the display panel. Removing the Digitizer Maintenance and Service Guide 5-25 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 116
the Tablet PC for Disassembly"). 2. Remove the RTC battery (refer to Section 5.4, "Real-Time Clock Battery"). 3. Remove the hard drive (refer to Section 5.5, "Hard Drive"). 4. Remove the display panel assembly (refer to Section 5.6, "Display Panel Assembly"). 5-26 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 117
the tablet PC base enclosure so that the heat sink grille is toward you. b. Disconnect the Bluetooth bpard connector from the system board 1. c. Slide the Bluetooth board 2 away from you and lift it away from the base enclosure. Removing the Bluetooth Board Maintenance and Service Guide 5-27 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 118
Removal and Replacement Procedures 6. Remove the four PM2.0×3.5 screws 1 that secure the system board shield to the base enclosure. 7. Lift the shield from the system board 2. 8. Separate the adhesive 3 from the system board. Removing the System Board Shield 5-28 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 119
the audio cable is attached and disconnect the cable 2 from the system board. 10. Release the ZIF connector 3 to which the button board cable is attached and disconnect the cable 4 from the system board. Disconnecting the Audio and Button Board ZIF Connectors Maintenance and Service Guide 5-29 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 120
the retaining tabs 1 securing the main memory board to the system board. The end of the memory board opposite the connector rises at a 45-degree angle. b. Pull the memory module away from the connector at a 45-degree angle 2. Removing the Main Memory Module 5-30 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 121
Removal and Replacement Procedures Modem board Modem Board Spare Part Number Information 349986-001 12. Remove the modem board by following these steps: a. Disconnect the Lift the modem and cable assembly from the base enclosure 3. Removing the Modem Board Maintenance and Service Guide 5-31 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 122
by following these steps: a. Remove the four TM2.5×6.0 screws 1 that secure the keyboard release assembly to the base enclosure. b. Lift the keyboard release assembly straight up 2 and remove it from the base enclosure. Removing the Keyboard Release Assembly 5-32 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 123
the keyboard release assembly, make sure the actuator tab 1 in the base enclosure is in the leftmost position. After this tab is positioned properly, install the keyboard release assembly 2, and 4 TM2.5×6.0 screws 3. Installing the Keyboard Release Assembly Maintenance and Service Guide 5-33 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 124
Removal and Replacement Procedures 14. Position the base enclosure so the heat sink grille is to your right. 15. Remove the five PM2.0×4.5 screws that secure the system board to the base enclosure. Removing the System Board Screws 5-34 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 125
from the base enclosure at an angle 3 to remove it. Removing the System Board Reverse the preceding procedures to install the system board. Maintenance and Service Guide 5-35 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 126
: 1. Prepare the tablet PC for disassembly (refer to Section 5.3, "Preparing the Tablet PC for Disassembly"). 2. Remove the display panel assembly (refer to Section 5.6, "Display Panel Assembly"). 3. Remove the system board (refer to Section 5.7, "System Board"). 5-36 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 127
the fan and heat sink to the system board. 7. Lift the system board 4 straight up. The fan and heat sink 5 will remain resting on the work surface. Removing the Fan and Heat Sink Reverse the preceding procedures to install the system board shield, fan, and heat sink. Maintenance and - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 128
Removal and Replacement Procedures 5.9 Optional HP Tablet PC Docking Station Optional HP Tablet PC Docking Station Components Spare Part Number Information Optional HP Tablet PC Docking Station Docking stand and pivot arm Top case Board assembly Bottom case 348338-001 349090-001 349091-001 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 129
Removal and Replacement Procedures 2. Remove the four TM2.5×7.5 screws that secure the top case to the bottom case. Removing the Top Case Screws Maintenance and Service Guide 5-39 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 130
right side up with the rear toward you, and then swing the docking stand to the back. 4. Lift the left edge of the top case 1 until the rear edge of the case 2 disengages from the bottom case. 5. Remove the docking station top case 3. Removing the Top Case 5-40 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 131
Removal and Replacement Procedures 6. Disconnect the docking stand cable 1 from the board assembly 2. Disconnecting the Docking Stand Cable Maintenance and Service Guide 5-41 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 132
station with the left side toward you. ✎ Make sure the docking stand and pivot arm are supported before removing the following screws. The docking stand and pivot arm can fall if not supported. 8. Remove the following screws: 1 Two PM2.5×8.0 screws that secure the cable bracket to the bottom case - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 133
Removal and Replacement Procedures 10. Disconnect the switch cable 1 from the board assembly. 11. Remove the seven PM2.5×4.0 screws 2 that secure the board assembly to the bottom case. Removing the Board Assembly Screws Maintenance and Service Guide 5-43 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 134
assembly toward you 2 until the rear connectors clear the bottom case. 14. Lift the docking station board assembly straight up 3 to remove it from the bottom case. Removing the Board Assembly Reverse the preceding procedures to assemble the docking station. 5-44 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 135
This chapter provides physical and performance specifications. Table 6-1 Tablet PC Dimensions Height Width Depth 27.4 cm 21.6 cm 2.0 cm Weight (varies by configuration) Tablet PC only Tablet PC with keyboard 1.4 kg 1.8 kg Stand-alone power requirements Nominal operating voltage Maximum - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 136
Specifications Table 6-1 Tablet PC (Continued) Relative humidity (noncondensing) Operating Nonoperating 10% to 90% 5% to 90%, product safety standards specify thermal limits for plastic surfaces. The tablet PC operates well within this range of temperatures. 6-2 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 137
Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption 23.6 cm 17.3 cm 26.4 cm Up to 16.8 million 150:1 140 nits typical 9.29 in 6.81 in 10.4 in 0.264 × 0.264 mm 1024 × 768 RGB vertical stripe Edge lit 80 × 25 3.75 W Maintenance and Service Guide 6-3 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 138
Specifications Table 6-3 Hard Drives 80-GB 60-GB User capacity per drive* 80.0 GB 60.0 GB Drive height 9.5 mm 9.5 mm Drive width 70 drive specifications may differ slightly. Certain restrictions and exclusions apply. Consult Customer Care for details. 6-4 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 139
rpm 5,400 RPM 4,200 rpm Transfer rate Interface max (MB/s)† 100 100 100 *1 GB=1,073,741,824 bytes. †System capability may differ. ‡Actual drive specifications may differ slightly. Certain restrictions and exclusions apply. Consult Customer Care for details. Maintenance and Service Guide 6-5 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 140
Specifications Table 6-4 Diskette Drive (For Use Only in the Docking Station or External MultiBay) Diskette size Light Height Bytes per sector Sectors per track High density Low density mm (0.5 in) 512 18 (1.44 MB) 9 80 80 2 3 to 6 ms 95 to 174 ms 15 ms 100 ms 6-6 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 141
Specifications Table 6-5 CD-ROM Drive (For Use Only in the Docking Station or External MultiBay) Applicable disc Center hole diameter Disc diameter Standard disc Mini disc Disc thickness Track pitch Access 600 KB/s (10X to 24X) 16.66 KB/s < 8 seconds < 4 seconds Maintenance and Service Guide 6-7 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 142
Specifications Table 6-6 DVD-ROM Drive (For Use Only in the Docking Station or External MultiBay) Applicable disc Center hole diameter Disc diameter Standard disc Mini disc Disc thickness Track pitch Access time Random Full stroke Audio < 12 seconds < 3 seconds 6-8 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 143
Specifications Table 6-7 DVD/CD-RW Combo Drive (For Use Only in the Docking Station or External MultiBay) Applicable disc Center hole diameter Disk diameter Standard disc Mini disc Disk thickness Track pitch Access time Random Full stroke Audio < 6 seconds Maintenance and Service Guide 6-9 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 144
Table 6-8 External AC Adapter Weight Power supply (input) Operating voltage Operating current Operating frequency range Maximum transient 0.28 kg 90 to 260 VAC RMS 1.7 A RMS 47 to 63 Hz AC 4/50 kV 0.62 lb Table 6-9 6-cell, Li-Ion Battery Pack Weight 0.30 kg Energy Voltage Amp - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 145
, DMA3, none) DMA2 Diskette drive DMA3 ECP parallel port LPT1 (default; alternate=DMA0, none) DMA4 DMA controller cascading (not available) DMA5 Available for PC Card DMA6 Not assigned DMA7 Not assigned ✎ PC Card controller can use DMA 1, 2, or 5. Maintenance and Service Guide 6-11 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 146
drive) IRQ15 System use ✎ PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. 6-12 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 147
Specifications Table 6-12 System I/O Addresses I/O Address (hex) 000 - 00F 010 - 01F 020 - 021 022 - 024 Unused 87334 "Super I/O" configuration for CPU Counter/timer registers Unused Keyboard controller Port B Unused Keyboard controller Unused NMI enable/real time clock Unused DMA page registers - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 148
Specifications Table 6-12 System I/O Addresses (Continued) I/O Address (hex) 0A2 - 0BF 0C0 - 0DF 0E0 - 0EF 0F0 fixed disk controller Unused Joystick (decoded in ESS1688) Unused Entertainment audio Unused Unused Unused Unused Unused Unused Reserved serial port 6-14 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 149
FM synthesizer-OPL3 Unused VGA Reserved (parallel port/no EPP support) VGA PC Card controller in CPU Unused Internal modem "A" diskette controller Serial port (COM1/default) PCI configuration index register (PCIDIVO-1) PCI configuration data register (PCIDIVO-1) Maintenance and Service Guide 6-15 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 150
00FFFFFF 01000000-047FFFFF 04800000-07FFFFFF 08000000-080FFFFF 08200000-FFFEFFFF FFFF0000-FFFFFFFF System Function Base memory Video memory Video BIOS Unused System BIOS Extended memory Super extended memory Unused Video memory (direct access) Unused System BIOS 6-16 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 151
A Connector Pin Assignments Table A-1 RJ-45 (Network) Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused Pin Signal 5 Unused 6 Receive - 7 Unused 8 Unused Maintenance and Service Guide A-1 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 152
Connector Pin Assignments Table A-2 RJ-11 (Modem) Pin Signal 1 Unused 2 Tip 3 Ring Pin Signal 4 Unused 5 Unused 6 Unused Table A-3 Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - A-2 Pin Signal 3 Data + 4 Ground Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 153
analog Pin Signal 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock Maintenance and Service Guide A-3 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 154
Connector Pin Assignments Table A-5 Audio-Out (Headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel Pin Signal 3 Ground Table A-6 Audio-In Microphone Pin Signal 1 Audio signal in 2 Audio signal in A-4 Pin Signal 2 Ground Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 155
or 220 to 240 volts AC. The power cord set included with the notebook meets the requirements for use in the country where the equipment is purchased. Power cord sets for use in other countries must meet the requirements of the country where the notebook is used. Maintenance and Service Guide B-1 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 156
power cord set must be at least 1.5 m (5.0 ft) and a maximum of 2.0 m (6.5 ft). ■ All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be used. ■ The power by each country's power system. ■ The appliance - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 157
Cord Set Requirements Country-Specific Requirements 3-Conductor Power Cord Set Requirements Country Accredited Agency Applicable Note Number Australia EANSW 1 Austria OVE 1 type with a Japanese Industrial Standard C8303 (7 A, 125 V) configuration. Maintenance and Service Guide B-3 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 158
Power HO5VV-F, 3-conductor, 1.0 mm² conductor size. Power cord set fittings (appliance coupler and wall plug) 3-conductor, 0.75 mm² conductor size. Power cord set fittings (appliance coupler and wall , 3-conductor, 0.75 mm² conductor size. Power cord set fittings (appliance coupler and wall plug - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 159
appendix provides specification and reference information for the screws used in the tablet PC and the docking station. All screws listed in this appendix are available for the tablet PC in the Miscellaneous Screw Kit, spare part number 348351-001 docking station. Maintenance and Service Guide C-1 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 160
One screw that secures the battery pack to the tablet PC (documented in Section 5.3) 2 Two screws that secure the Mini PCI communications/memory module compartment cover to the tablet PC (documented in Section 5.3) 3 Two screws that secure the hard drive cover to the tablet PC (documented in Section - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 161
Silver 9 4.0 mm 2.0 mm 3.8 mm Where used: 4 screws that secure the display panel to the display bezel (documented in Section 5.6) Phillips PM2.0 × 4.0 Screw Locations Maintenance and Service Guide C-3 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 162
mm Where used: 1 Seven screws that secure the display panel assembly to the base enclosure (documented in Section 5.6) 2 One screw under the keyboard release latch that secures the connector cover and display panel assembly to the base enclosure (documented in Section 5.6) Torx T8M2.5 × 8.0 Screw - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 163
Table C-3 Phillips PM2.5×6.0 Screw Head mm Color Qty. Length Thread Width Silver 4 6.0 mm 2.5 mm 4.3 mm Where used: 4 screws that secure the keyboard release assembly to the base enclosure (documented in Section 5.7) Phillips PM2.5 × 6.0 Screw Location Maintenance and Service Guide C-5 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 164
Screw Listing Table C-4 Phillips PM2.0×3.0 Screw mm Color Qty. Length Thread Silver 4 3.0 mm 2.0 mm Where used: 4 screws that secure the display panel to the display bezel (documented in Section 5.6) Head Width 3.8 mm Phillips PM2.0 × 3.0 Screw Locations C-6 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 165
C-5 Torx M2.5×7.5 Screw Screw Listing Head mm Color Qty. Length Thread Width Silver 4 7.5 mm 2.5 mm 4.4 mm Where used: 4 screws that secure the docking station top case to the bottom case (documented in Section 5.9) Phillips PM2.5 × 7.5 Screw Locations Maintenance and Service Guide C-7 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 166
2.0 mm 3.8 mm Where used: 3 screws that secure the display panel bracket to the display panel assembly (documented in Section 5.6) Phillips PM2.0 × 5.0 Screw Locations C-8 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 167
Screw Listing Table C-7 Phillips PM2.0×3.5 Screw Head mm Color Qty. Length Thread Width Yellow 1 3.5 mm 2.0 mm 3.8 mm Where used: One screw that secures the display panel bracket to the display panel assembly Phillips PM2.0 × 3.5 Screw Location Maintenance and Service Guide C-9 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 168
Screw Listing Table C-8 Phillips PM2.0×4.5 Screw Head mm Color Qty. Length Thread Width Yellow 8 4.5 mm 2.0 mm 3.8 mm Where used: 5 screws that secure the system board to the base enclosure (documented in Section 5.8) Phillips PM2.0 × 4.5 Screw Locations C-10 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 169
2.0 mm 3.8 mm Where used: 3 screws that secure the fan and heat sink to the system board (documented in Section 5.8) Phillips PM2.0 × 4.5 Screw Locations Maintenance and Service Guide C-11 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 170
used: 4 screws that secure the system board shield to the base enclosure (documented in Section 5.7) Head Width 3.8 mm Phillips PM2.0 × 3.5 Screw Locations C-12 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 171
Screw Listing Table C-10 Phillips PM2.0×4.0 Screw Head mm Color Qty. Length Thread Width Silver 1 4.0 mm 2.0 mm 3.8 mm Where used: One screw that secures the switch board to the base enclosure (documented in Section 5.9) Phillips PM2.0 × 4.0 Screw Location Maintenance and Service Guide C-13 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 172
1 Two screws that secure the docking station pivot arm and cable bracket to the bottom case (documented in Section 5.9) 2 Three screws that secure the docking station pivot arm hinge to the bottom case (documented in Section 5.9) Torx M2.5 × 8.0 Screw Locations C-14 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 173
C-12 Phillips PM2.5×11.0 Screw Head mm Color Qty. Length Thread Width Silver 1 11.0 mm 2.5 mm 4.3 mm Where used: One screw that secures the docking station pivot arm hinge to the bottom case (documented in Section 5.9) Phillips PM2.5 × 11.0 Screw Location Maintenance and Service Guide C-15 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 174
require special handling at end-of-life. Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities or visit the Electronic Industries Alliance (EIA) at http://www.eiae.org. Maintenance and Service Guide D-1 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 175
general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another. Refer to Section 5.6, "Display Panel Assembly," for display assembly disassembly steps. D-2 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 176
Display Component Recycling Perform the following steps to disassemble the display assembly: 1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly. Removing the Display Bezel Screw Covers and Screws Maintenance and Service Guide D-3 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 177
Display Component Recycling 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. Removing the Display Bezel D-4 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 178
all screws 1 that secure the LCD panel to the display enclosure. 6. Remove the LCD panel 2 from the display enclosure. Removing the LCD Panel Maintenance and Service Guide D-5 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 179
Display Component Recycling 7. Turn the LCD panel upside down. 8. Remove all screws that secure the LCD panel frame to the LCD panel. Removing the LCD Panel the LCD panel frame. 10. Remove the LCD panel frame 2 from the display panel. Removing the LCD Panel Frame D-6 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 180
Display Component Recycling 11. Remove the screws 1 that secure the backlight cover to the LCD panel. 12. Lift the top edge of the backlight cover 2 and swing it forward. 13. Remove the backlight cover. Removing the Backlight Cover Maintenance and Service Guide D-7 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 181
Display Component Recycling 14. Turn the LCD panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the LCD panel. Releasing the Backlight Cables D-8 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 182
Display Component Recycling 16. Turn the LCD panel upside down. 17. Remove the backlight frame from the LCD panel. Removing the Backlight Frame Maintenance and Service Guide D-9 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 183
avoid damaging this component and causing exposure to the mercury. 18. Slide the backlight out of the backlight frame. Removing the Backlight D-10 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 184
3 from the LCD rear panel. 22. Release the tape 4 that secures the LCD panel to the LCD rear panel. Releasing the LCD Panel Maintenance and Service Guide D-11 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 185
Display Component Recycling 23. Remove the LCD panel. Removing the LCD Panel 24. Recycle the backlight and LCD panel. D-12 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 186
adapter spare part number 3-14 specifications 6-10 AC adapter light 1-7 AC power connector docking station 1-27 location 1-9 air vent 1-11, 1-17 alignment key 1-20 alignment key slot keyboard 1-23 tablet PC 1-11 attachment release latch keyboard 1-23 tablet PC 1-17 audio troubleshooting 2-25 audio - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 187
panel assembly illustrated 3-2 removal 5-17 spare part number 3-3, 3-17, 5-17 display panel cable 3-2 display, specifications 6-3 DMA specifications 6-11 docking alignment notches docking stand 1-25 keyboard 1-21 docking alignment slots (tablet PC) 1-15 Index-2 Maintenance and Service Guide - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 188
PC 1-9 F fan removal 5-36 spare part number 3-5, 3-16, 5-36 flowcharts, troubleshooting docking station 2-18 initial troubleshooting 2-11 keyboard 2-28 network or modem connection 2-30 no audio 2-25, 2-26 no operating system loading 2-19 no OS loading from diskette drive 2-23 no OS loading from hard - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 189
G grounding equipment and methods 4-6 H hard drive illustrated 3-4, 3-6 OS loading problems 2-20 precautions 4-3 removal 5-14 spare part numbers 3-7, 3-16, 3-17, 3-18 specifications 6-4 hard drive bay 1-18 hard drive cover illustrated 3-2 removal 5-14 hard drive retention screws 1-18 headphone jack - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 190
MultiBay 1-27 MultiBay release lever 1-25 N network, troubleshooting 2-30 nonfunctioning device, troubleshooting 2-18, 2-27 num lock light 1-21 O operating system loading, troubleshooting 2-19 optical drive OS loading problems 2-24 specifications 6-7, 6-8, 6-9 Maintenance and Service Guide Index-5 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 191
A-2 RJ-45 jack docking station 1-27 location 1-9 network jack location 1-9 pin assignments A-1 rotate button 1-7 rotation disk 1-21 RTC (real-time clock) battery illustrated 3-4, 3-6 removal 5-13 spare part number 3-7, 3-16, 5-13 S screen protector slots keyboard 1-23 tablet PC 1-10 SD Card slot - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 192
tilt feet 1-16 tools required 4-1 transporting precautions 4-4 troubleshooting audio 2-25 docking station 2-18 flowcharts 2-10 HP Diagnostics 2-8 keyboard 2-28 modem 2-30 network 2-30 nonfunctioning device 2-18, 2-27 operating system loading 2-19 overview 2-1 Maintenance and Service Guide Index-7 - Compaq tc1100 | HP Compaq tc1100 Tablet PC - Maintenance and Service Guide - Page 193
alignment slots keyboard 1-23 tablet PC 1-11 Universal Serial Bus (USB) port docking station 1-27 location 1-8 pin assignments A-2 V video troubleshooting 2-16 W Windows applications key 1-22 Windows logo key 1-22 Windows security button 1-13 wireless antenna, spare part number 3-17 wireless LAN
Maintenance and Service
Guide
HP Compaq tc1100 Tablet PC
Document Part Number: 335572-004
October 2005
This guide is a troubleshooting reference used for maintaining
and servicing the tablet PC. It provides comprehensive
information on identifying tablet PC features, components, and
spare parts, troubleshooting tablet PC problems, and performing
tablet PC disassembly procedures.