HP TouchSmart tx2-1270us HP TouchSmart tx2 Notebook PC - Maintenance and Servi
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- HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 1
HP TouchSmart tx2 Notebook PC Maintenance and Service Guide - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 2
or omissions contained herein. This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, components, and spare parts; on troubleshooting computer problems; and on performing computer disassembly - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 3
Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 4
iv Safety warning notice - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 5
components ...9 Left-side components ...10 Right-side components ...11 Rear components ...12 Bottom components ...13 3 Illustrated parts catalog ...14 Service tag ...14 Computer major components ...15 Plastics Kit ...21 Mass storage devices ...22 Miscellaneous parts ...23 Sequential part number - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 6
Workstation guidelines 33 Equipment guidelines 34 Unknown user password 35 Component replacement procedures 36 Service tag ...36 Computer feet ...37 Battery ...38 Pen ...39 Hard drive ...40 RTC battery ...42 Optical drive ...43 Memory module ...44 WLAN module ...46 Keyboard ... - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 7
12.1-inch, WXGA BrightView display specifications 77 Hard drive specifications ...78 DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive specifications 79 System DMA specifications ...80 System interrupt specifications ...81 System I/O address specifications ...82 System memory map specifications - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 8
10 Power cord set requirements ...103 Requirements for all countries or regions 103 Requirements for specific countries or regions 104 11 Recycling ...105 Battery ...105 Display ...105 Index ...111 viii - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 9
1 Product description Category Product Name Processors Chipset Graphics Description HP TouchSmart tx2 Notebook PC AMD Turion™ 64 Mobile Technology Ultra Dual-Core ZM-87 processor, 2.40-GHz, 2-MB L2 cache, 800-MHz front side bus (FSB) AMD Turion 64 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 10
total system memory (2048 MB + 1024 MB) 2048-MB total system memory (2048 MB × 1, 1024 MB × 2, dual-channel) 1024-MB total system memory (1024 MB × 1) ● Supports all 9.5-mm, 6.35-cm (2.5-inch) hard drives ● Serial ATA 500-GB, 7200-rpm 320-GB, 7200- and 5400-rpm 160-GB, 7200-rpm ● 12.7-mm - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 11
output to wide-aspect and standard-aspect video. 1394a 2-pin 65-W AC power Docking support through the expansion port 3. Supports the HP xb3000 Notebook Expansion Base and the HP Notebook QuickDock. 12.1-inch keyboard with embedded numeric keypad Taps enabled as default TouchPad with 2 buttons - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 12
Operating system Serviceability Description 8-cell, 73-Wh, 2.55-Ah Li-ion battery 6-cell, 55-Wh, 2.55-Ah Li-ion battery 4-cell, 37-Wh, 2.55-Ah Li-ion battery (for use only with computer models equipped with AMD Turion 64 processors) 65-W AC adapter with localized cable plug support (2-wire plug - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 13
identification Top components Display components Item (1) Component Convertible hinge (2) Drive light Function Swivels the display and converts the computer from traditional notebook mode into slate mode or vice versa. In slate mode, the display is rotated and folded flat, so that you can view - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 14
into 4 orientations: landscape primary, landscape secondary, portrait primary, and portrait secondary. (14) Consumer infrared lens Receives a signal from the HP Remote Control. *To see wireless regulatory notices, refer to the section of the Regulatory, Safety, and Environmental Notices that - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 15
Keys Item (1) (2) (3) (4) (5) (6) Component esc key fn key Windows logo key Windows applications key Embedded numeric keypad keys Function keys Function Displays system information when pressed in combination with the fn key. Executes frequently used system functions when pressed in combination - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 16
Pointing devices Item Component Function (1) TouchPad on/off button Enables/disables the TouchPad. (2) TouchPad* Moves the pointer and selects or activates items on the screen. (3) Left TouchPad button* (4) TouchPad light Functions like the left button on an external mouse. ● Blue: - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 17
Options. To learn more about Sleep or Hibernation, refer to the Power Management guide. ● On: The computer is on. ● Blinking: The computer is in computer is off or in Hibernation. Receives a signal from the HP Remote Control. Provides enhanced audio performance, including surround sound and other - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 18
are turned off. *This table describes factory settings. For information about changing factory settings, refer to the user guides located in Help and Support. Left-side components Item (1) (2) (3) Component Power connector ExpressCard slot Digital Media Slot (4) Digital Media Slot light - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 19
Right-side components Item (1) Component Previous/rewind button (2) Play/pause button (3) Next/fast forward button (4) Stop button (5) Pen holder (6) USB port (7) Pen tether hole (8) RJ-45 (network) jack (9) Expansion port 3 (10) External monitor port (11) S-Video-out jack (12 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 20
Rear components Item (1) Component Vent (2) RJ-11 (modem) jack (3) USB ports (2) (4) Security cable slot Function Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 21
your country or region. If you replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support. Holds the battery. Bottom components 13 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 22
about the product's hardware components. The part number helps a service technician to determine what components and parts are needed. (4) Model description: This is the number used to locate documents, drivers, and support for the computer. (5) Warranty period: This number describes the duration of - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 23
Computer major components Item (1a) Description Display assembly 12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, fingerprint reader, microphones, and WLAN antenna cables Spare part number 504468-001 Computer major components 15 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 24
Item (1b) (2a) (2b) (3) (4) (5a) (5b) (6a) Description Spare part number 12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, microphones, and WLAN antenna cables 504467-001 Display convertible hinge cover (included with display assembly) Display Rubber Kit (not - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 25
Item (6b) (6c) (6d) (6e) (7) (8a) (8b) (9a) (9b) (10) (11) (12) (13) Description Spare part number Memory module compartment cover (includes 2 captive screws, secured with C-clips) WLAN module compartment cover (includes 1 captive screw, secured with a C-clip) Hard drive cover (includes one - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 26
Item (14) (15) (16) (17) (18) Description Spare part number DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive 509074-001 Base enclosure (includes optical drive release assembly, 2 battery release latches, and 4 rubber feet) 506825-001 Rubber Feet Kit (not illustrated, includes 4 base - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 27
Item Description Spare part number ● For use in Afghanistan, Albania, Algeria, Andorra, 459263-002 Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh, Barbados, Belgium, Belize, Benin, Bermuda, Bolivia, Bosnia and - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 28
Item (19) (20) Description Spare part number ● For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua & 453730-002 Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bermuda, Bhutan, - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 29
Plastics Kit Item (1) (2) (3) (4) (5) Description Spare part number Plastics Kit 487926-001 ExpressCard slot bezel Hard drive cover (includes 1 rubber foot and 2 captive screws, secured with C-clips) Display connector cover (includes 1 captive screw, secured with a C-clip) WLAN module - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 30
Mass storage devices Item (1) (2) Description Spare part number Hard drive (includes hard drive bracket, hard drive connector, and Mylar cover) 500-GB, 7200-rpm 634934-001 or 574875-001 320-GB, 7200-rpm 603783-001 320-GB, 5400-rpm 622643-001 160-GB, 7200-rpm 579045-001 Hard Drive - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 31
Miscellaneous parts Description 65-watt AC adapter HP protective sleeve HP Notebook Stand Remote control (fits into ExpressCard slot) Power cords: Argentina Australia Brazil Denmark Europe, the Middle East, and Africa (excluding South Africa) India Israel Italy - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 32
Description Screw Kit ● Phillips PM3.0×3.0 screws ● Phillips PM2.5×6.0 screws ● Phillips PM2.0×11.0 screws ● Black Phillips PM2.0×7.0 captive screws ● Silver Phillips PM2.0×7.0 screws ● Phillips PM2.0×5.0 captive screws ● Phillips PM2.0×5.0 screws ● Phillips PM2.0×4.0 captive screws ● Phillips PM2 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 33
Feet Kit (includes 4 base enclosure rubber feet and pen cover) Display Rubber Kit (includes 8 display bezel rubber screw covers) Remote control (fits into ExpressCard slot) HP Notebook Stand Sequential part number listing 25 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 34
-031 490371-061 490371-081 490371-111 490371-201 490371-202 490371-291 490371-AA1 490371-AB1 490371-AD1 490371-AR1 490371-BB1 Description HP Notebook Protective Sleeve Bluetooth module Broadcom 4322 802.11a/b/g/n WLAN module for use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. Virgin - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 35
, and WLAN antenna cables 12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, microphones, fingerprint reader, and WLAN antenna cables HP protective sleeve AMD Athlon Dual-Core QL-62 2.00-GHz processor (512-KB L2 cache, 667-MHz FSB, includes replacement thermal material) AMD - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 36
Spare part number 508112-131 508112-141 508112-161 508112-171 508112-201 508112-251 508112-281 508112-291 508112-A41 508112-AB1 508112-AD1 508112-B31 508112-BB1 508112-DH1 509073-001 509074-001 516454-001 518183-001 532119-001 532120-001 532121-001 534133-291 572564-001 572565-001 572566-001 574875- - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 37
Spare part number 613149-001 622643-001 634256-001 634934-001 Description 65-watt AC adapter 320-GB, 5400-rpm hard drive (includes hard drive bracket, hard drive connector, and Mylar cover) Thermal pad kit 500-GB, 7200-rpm hard drive (includes hard drive bracket, hard drive connector, and Mylar - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 38
Magnetic screwdriver ● Phillips P0 and P1 screwdrivers ● Flat-bladed screwdriver Service considerations The following sections include some of the considerations that you should keep only at the points designated in the maintenance instructions. 30 Chapter 4 Removal and replacement procedures - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 39
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. Cables must - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 40
Grounding guidelines Electrostatic discharge damage Electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, ESD contains enough - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 41
. ● Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When fixtures must directly contact dissipative surfaces, use fixtures made only of staticsafe - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 42
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 ● Electrostatic voltage levels and - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 43
Unknown user password If the computer you are servicing has an unknown user password, follow these steps to clear the password. NOTE: These steps also clear CMOS. Before disassembling the computer, follow these steps: 1. - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 44
about the product's hardware components. The part number helps a service technician to determine what components and parts are needed. (4) Model description: This is the number used to locate documents, drivers, and support for the computer. (5) Warranty period: This number describes the duration of - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 45
Computer feet Description Rubber Feet Kit (includes 4 base enclosure rubber feet and pen cover) Spare part number 464821-001 The computer feet are adhesive-backed rubber pads. There are four computer feet (1) that adhere to the computer base enclosure, and two computer feet (2) that adhere to the - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 46
Battery Description 8-cell, 73-Wh, 2.55-Ah, Li-ion battery 8-cell, 73-Wh, Li-ion battery for use in Japan 6-cell, 55-Wh, 2.55-Ah, Li-ion battery 4-cell, 37-Wh, 2.55-Ah, Li-ion battery (for use only with computer models equipped with the AMD Turion 64 processor) Spare part number 463650-003 534133- - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 47
Pen Description Pen Spare part number 516454-001 Before removing the pen, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 48
Hard drive NOTE: The hard drive spare part kit includes a hard drive bracket, hard drive connector, and Mylar cover. Description 500-GB, 7200-rpm 320-GB, 7200-rpm 320-GB, 5400-rpm 160-GB, 7200-rpm Hard Drive Hardware Kit (includes hard drive bracket, hard drive connector, and hard drive screws) - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 49
4. Remove the hard drive cover. NOTE: The hard drive cover is included in the Plastics Kit, spare part number 487926-001. 5. Grasp the Mylar tab (1) on the hard drive and lift the hard drive to disconnect it from the system board. 6. Remove the hard drive (2) from the hard drive bay. 7. If it is - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 50
RTC battery NOTE: Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords and CMOS settings to be cleared. Description RTC battery Spare part number 449729-001 Before removing the RTC battery, follow these steps: 1. Shut down the computer. If you are unsure - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 51
Optical drive NOTE: The optical drive spare part kit includes an optical drive bezel. Description DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive Optical drive weight saving blank Spare part number 509073-001 509074-001 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 52
Memory module Description 4096-MB (DDR2, PC2-6400, 800-MHz) 2048-MB (DDR2, PC2-6400, 800-MHz) 1024-MB (DDR2, PC2-6400, 800-MHz) Spare part number 598855-001 598858-001 598861-001 Before removing the memory module, follow these steps: 1. Shut down the computer. If you are unsure whether the - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 53
6. Pull the module (2) away from the slot at an angle and remove it. NOTE: Memory modules are designed with a notch (3) to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. Component replacement procedures 45 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 54
WLAN module Description Spare part number Broadcom 4322 802.11a/b/g/n WLAN modules: ● For use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. Virgin Islands, and the United States 487330-001 ● For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, 487330- - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 55
Description Spare part number Broadcom 4321AGN 802.11a/b/g/draft-n mini-PCI adapter card ● For use in the United States and Canada 453730-001 ● For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua & Barbuda, Argentina, 453730-002 Armenia, Aruba, Australia, Austria, Azerbaijan, the - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 56
3. Lift the right side of the WLAN module compartment cover (2) and swing it to the left. 4. Remove the WLAN module compartment cover. NOTE: The WLAN module compartment cover is included in the Plastics Kit, spare part number 487926-001. 5. Disconnect the WLAN antenna cables (1) from the WLAN module - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 57
Keyboard Description Country or region Belgium Brazil Canada Denmark, Finland, and Norway France Germany Israel Italy Japan Latin America The Netherlands Spare part number 508112-A41 508112-201 508112-121 508112-DH1 508112-051 508112-041 508112-BB1 508112-061 508112-291 508112-161 508112-B31 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 58
4. Open the computer. 5. Lift the rear edge of the keyboard and swing it toward you until it rests on the palm rest. 6. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached and disconnect the keyboard cable (2). 7. Remove the keyboard. Reverse this procedure - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 59
Switch cover Description Switch cover (includes display convertible hinge base cover) Spare part number 506827-001 Before removing the switch cover, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 60
5. Rotate the display clockwise approximately 45 degrees. 6. Lift the left and right front corners of the switch cover (1) until it disengages from the computer. 7. Rotate the switch cover (2) counterclockwise and remove it from the computer. Reverse this procedure to install the switch cover. 52 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 61
Display assembly Description 12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, fingerprint reader, microphones, and WLAN antenna cables 12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, microphones, and WLAN antenna cables Spare part number 504468- - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 62
up, with the front toward you. 9. Open the computer. 10. Remove the display convertible hinge cover (1). CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. 11 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 63
12. Disconnect the display panel cable (3) from the system board. NOTE: As you remove the display assembly, be sure that the display cables and wireless antenna cables move cleanly through the opening (1) in the computer. 13. Lift the display (2) straight up and remove it. Reverse this procedure to - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 64
Top cover Description Top cover (includes TouchPad and TouchPad cable, caps lock light board and cable, and top cover bumper pads) Spare part number 506824-001 Before removing the top cover, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 65
5. Release the ZIF connector (2) to which the TouchPad cable is connected and disconnect the TouchPad cable (3). 6. Remove the two Phillips PM2.0×4.0 screws (4) that secure the top cover to the base enclosure. 7. Lift the top cover straight up and remove it. Reverse this procedure to install the top - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 66
Power switch assembly Description Power switch assembly (includes power switch board cable and actuator switch) Spare part number 506828-001 Before removing the power switch assembly, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 67
3. Remove the display release hook assembly (3). NOTE: The display release hook assemblies are included with the base enclosure spare part kit. 4. Disconnect the power switch board cable (1) from the system board. 5. Remove the power switch board (2) and power switch actuator (3) from the base - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 68
Bluetooth module Description Bluetooth module Bluetooth module cable Spare part number 483113-001 487697-001 Before removing the Bluetooth module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 69
3. Remove the Bluetooth module (3). Reverse this procedure to install the Bluetooth module. System board Description System board (includes replacement thermal material) Spare part number 504466-001 When replacing the system board, be sure that the following components are removed from the - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 70
4. Remove the battery (see Battery on page 38). 5. Remove the following components: a. Hard drive (see Hard drive on page 40) b. Memory module compartment cover (see Memory module on page 44) c. Optical drive (see Optical drive on page 43) d. Keyboard (see Keyboard on page 49) e. Switch cover (see - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 71
3. Release the ZIF connector (1) to which the audio/infrared board cable is connected and disconnect the audio/infrared board cable (2) from the system board. 4. Use the optical drive connector (1) to lift the left side of the system board (2) until the power connector (3) is clear of the base - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 72
Pen holder and pen eject assembly Description Pen holder and pen eject assembly Spare part number 506826-001 Before removing the pen holder and pen eject assembly, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 73
4. Remove the pen holder (4). Reverse this procedure to install the pen holder and pen eject assembly. Audio/infrared board Description Audio/infrared board (includes audio/infrared board cable) Spare part number 441144-001 Before removing the audio/infrared board, follow these steps: 1. Shut - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 74
i. System board (see System board on page 61) j. Pen holder (see Pen holder and pen eject assembly on page 64) Remove the audio/infrared board: 1. Remove the two Phillips PM2.0×3.0 screws (1) that secure the audio/infrared board to the system board. 2. Release the audio/infrared board (2) by sliding - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 75
Fan/heat sink assembly Description Fan/heat sink assembly (includes thermal material) Spare part number 487925-001 NOTE: To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the right side and rear panel of the computer. The computer uses an electric fan for - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 76
3. Remove the fan/heat sink assembly (3). NOTE: Due to the adhesive quality of the thermal material located between the fan/heat sink assembly and system board components, it may be necessary to move the fan/heat sink assembly from side to side to detach the assembly. NOTE: The thermal material - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 77
Processor NOTE: The processor spare part kit includes replacement thermal material. Desription Spare part number AMD Turion 64 Mobile Technology Dual-Core ZM-87 processor (2.40-GHz, 1-MB L2 cache, 800-MHz FSB) 572564-001 AMD Turion Ultra 64 Mobile Technology Ultra Dual-Core ZM-86 processor (2. - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 78
4. Remove the battery (see Battery on page 38). 5. Remove the following components: a. Hard drive (see Hard drive on page 40) b. Memory module compartment cover (see Memory module on page 44) c. Optical drive (see Optical drive on page 43) d. Keyboard (see Keyboard on page 49) e. Switch cover (see - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 79
5 Setup Utility WARNING! Only authorized technicians trained by HP should repair this equipment. All troubleshooting and repair procedures are detailed to allow repair at only the subassembly or module level. Because of the complexity of the individual boards and subassemblies, - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 80
and exit the Setup Utility, press f10 and then follow the instructions on the screen. Your preferences go into effect when the computer the Setup Utility Because the Setup Utility is not Windows-based, it does not support the TouchPad. Navigation and selection are by keystroke. ● To choose a menu - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 81
Setup Utility, press f10, and then follow the instructions on the screen. The Setup Utility default settings are advanced users only, refer to Help and Support, which is accessible only when the or restarted in Windows is the prompt for a Network Service Boot. The "Press to change boot order" - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 82
session, use either of the following procedures: ◦ Press f10, and then follow the instructions on the screen. - or - ◦ If the Setup Utility menus are not visible the Setup Utility menu items listed in this section may not be supported by your computer. Main menu Select System information To do this - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 83
System Configuration menu Select Language Support Enhanced SATA support (select models only) Boot Options Button Sound (select models only) Video memory up to (select models only) Diagnostics menu Select Hard Disk Self Test Secondary - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 84
6 Specifications Computer specifications Dimensions Height (front to back) Width Depth Weight (with optical drive, hard drive, and battery) Input power Operating voltage Operating current Temperature Operating (not writing to optical disc) Operating (writing to optical disc) Nonoperating Relative - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 85
Metric U.S. Nonoperating 1.50 g zero-to-peak, 10 Hz to 500 Hz, 0.5 oct/min sweep rate NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 12.1-inch, WXGA BrightView display specifications - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 86
referring to hard drive storage capacity. Actual accessible capacity is less. †Actual drive specifications may differ slightly. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. 78 Chapter 6 Specifications - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 87
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive specifications Applicable disc Access time Random Cache buffer Data transfer rate 24X CD-ROM 8X DVD 24X CD-R 16X CD-RW 8X DVD+R 4X DVD+RW 8X DVD-R 4X DVD-RW 2.4X DVD+R(9) 5X DVD-RAM Transfer mode Read: Write: CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 88
DMA System function DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable DMA4 Direct memory access controller DMA5* Available for PC Card DMA6 Not assigned DMA7 Not assigned *PC Card controller can use DMA 1, 2, or 5. 80 Chapter 6 Specifications - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 89
processor IRQ14 Primary IDE channel IRQ15 Secondary IDE channel *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. NOTE: PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 90
System I/O address specifications I/O address (hex) 000 - 00F 010 - 01F 020 - 021 022 - 024 025 - 03F 02E - 02F 040 - 05F 044 - 05F 060 061 062 - 063 064 065 - 06F 070 - 071 072 - 07F 080 - 08F 090 - 091 092 093 - 09F 0A0 - 0A1 I/O Address (hex) 0A2 - 0BF 0C0 - 0DF 0E0 - 0EF 0F0 - 0F1 0F2 - 0FF 100 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 91
Secondary diskette drive controller Parallel port (LPT1/default) Unused 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 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 92
System memory map specifications Size 640 KB 128 KB 48 KB 160 KB 64 KB 15 MB 58 MB 58 MB 2 MB 4 GB 64 KB Memory address 00000000-0009FFFF 000A0000-000BFFFF 000C0000-000CBFFF 000C8000-000E7FFF 000E8000-000FFFFF 00100000-00FFFFFF 04800000-07FFFFFF 04800000-07FFFFFF 08000000-080FFFFF 08200000- - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 93
7 Screw listing This section provides specification and reference information for the screws and screw locks used in the computer. All screws and screw locks listed in this section are available in the Screw Kit, spare part number 464116-001. Phillips PM3.0×3.0 screw Color Silver Quantity 4 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 94
Phillips PM2.0×7.0 screw Color Black Quantity 9 Length 7.0 mm Thread 2.0 mm Head width 4.5 mm Where used: 4 screws that secure the switch cover to the computer Where used: 5 screws that secure top cover to the computer 86 Chapter 7 Screw listing - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 95
Phillips PM2.0×4.0 screw Color Silver Quantity 10 Length 4.0 mm Thread 2.0 mm Head width 4.5 mm Where used: 2 screws that secure the top cover to the computer Where used: 2 screws that secure the power switch board to the base enclosure Phillips PM2.0×4.0 screw 87 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 96
Where used: 2 screws that secure the audio/infrared board to the base enclosure Where used: 4 screws that secure the fan/heat sink assembly to the system board 88 Chapter 7 Screw listing - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 97
Phillips PM2.0×5.0 captive screw Color Black Quantity 6 Length 5.0 mm Thread 2.0 mm Head width 4.5 mm Where used: (1) Two captive screws (secured with C-clips) that secure the hard drive cover to the computer (2) Two captive screws (secured with C-clips) that secure the memory module - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 98
Black Phillips PM2.0×3.0 screw Color Black Quantity 5 Length 3.0 mm Thread 2.0 mm Head width 4.5 mm Where used: 2 screws that secure the WLAN module to the computer Where used: 3 screws that secure the top cover to the base enclosure 90 Chapter 7 Screw listing - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 99
Phillips PM2.0×11.0 screw Color Black Quantity 4 Length 11.0 mm Thread 2.0 mm Head width 4.5 mm Where used: 4 screws that secure the keyboard to the computer Phillips PM2.0×11.0 screw 91 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 100
Phillips PM2.5×6.0 screw Color Silver Quantity 4 Length 6.0 mm Thread 2.5 mm Head width 5.0 mm Where used: 2 screws that secure the display assembly to the computer Where used: 2 screws that secure the display assembly to the computer 92 Chapter 7 Screw listing - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 101
Silver Phillips PM2.0×3.0 screw Color Silver Quantity 5 Length 3.0 mm Thread 2.0 mm Head width 4.5 mm Where used: (1) One screw that secures the display release hook to the base enclosure (2) One screw that secures the Bluetooth module to the base enclosure Where used: 3 screws that secure - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 102
will depend on the type of optical drive installed on your computer. Because DVDs store more information than CDs, DVDs and DVDs with doublelayer (DL) support reduce the number of discs required. NOTE: Read-write discs, such as CD-RW, DVD+RW, and DVD-RW, are not compatible with the Recovery - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 103
connect to AC power before you can go to the next step. 3. Click Recovery disc creation, and then click Next. 4. Follow the on-screen instructions. Backing up your information When to back up ● On a regularly scheduled basis NOTE: Set reminders to back up your information periodically. ● Before the - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 104
Backup suggestions ● Create a set of recovery discs using Recovery Manager. ● Create system restore points using the Windows System Restore feature, and periodically copy them to disc. ● Store personal files in the Documents folder and back up these folders periodically. ● Back up templates stored - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 105
discs: 1. Back up all personal files. 2. Insert the first recovery disc into the optical drive and restart the computer. 3. Follow the on-screen instructions. Recovering from the partition on the hard drive You can perform a recovery from the partition on the hard drive from either the Start button - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 106
displayed on the screen. Then select Recovery Manager. Recovery Manager opens. 2. Click Advanced Options. 3. Click System recovery, and then click Next. 4. Follow the on-screen instructions. 98 Chapter 8 Backup and recovery - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 107
9 Connector pin assignments Audio-in (microphone) Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground Audio-out (headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Audio-in (microphone) 99 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 108
External monitor Pin Signal 1 Red analog 2 Green analog 3 Blue analog 4 Not connected 5 Ground 6 Ground analog 7 Ground analog 8 Ground analog 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock 100 Chapter 9 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 109
RJ-11 (modem) Pin 1 2 3 4 5 6 RJ-45 (network) Signal Unused Unused Ring Tip Unused Unused Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 5 Unused 6 Receive - 7 Unused 8 Unused RJ-11 (modem) 101 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 110
S-Video-out Pin Signal 1 S-VHS color (C) signal 2 Composite video signal 3 S-VHS intensity (Y) signal 4 S-VHS color ground 5 TV-CD 6 S-VHS intensity ground 7 Composite video ground Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground 102 Chapter 9 Connector - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 111
10 Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC or from 220 to 240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 112
Requirements for specific countries or regions Region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland FIMKO 1 France UTE 1 Germany VDE 1 Italy IMQ 1 Japan METI 3 The Netherlands KEMA 1 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 113
be exercised when removing these components. NOTE: Materials Disposal. This HP product contains mercury in the backlight in the display assembly that Web site at http://www.eiae.org. This section provides disassembly instructions for the display assembly. The display assembly must be disassembled to - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 114
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. 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 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 115
4. Disconnect all display panel cables (1) from the display inverter and remove the inverter (2). 5. Remove all screws (1) that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly (2) from the display enclosure. 7. Turn the display panel assembly upside - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 116
10. Remove the display panel frame (2) from the display panel. 11. Remove the screws (1) that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover (2) and swing it outward. 13. Remove the backlight cover. 14. Turn the display panel right-side up. 108 Chapter - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 117
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside down. 17. Remove the backlight frame from the display panel. WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 118
19. Disconnect the display cable (1) from the LCD panel. 20. Remove the screws (2) that secure the LCD panel to the display rear panel. 21. Release the LCD panel (3) from the display rear panel. 22. Release the tape (4) that secures the LCD panel to the display rear panel. 23. Remove the LCD panel. - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 119
45 jack 101 S-Video-out jack 102 Universal Serial Bus (USB) port 102 connectors, service considerations 31 convertible hinge 5 D Diagnostics menu 75 Digital Media Slot 10 Digital Media part number 16, 25 display specifications 77 display switch 6 docking support, product description 3 Index 111 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 120
28, 43 specifications 79 E electrostatic discharge 32 enhanced SATA support 75 esc key 7 Ethernet, product description 3 expansion port 3 assignments 99 headset, spare part number 24 hinge, display convertible 5 HP Notebook Protective Sleeve, spare part number 26 I I/O address specifications 82 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 121
description audio 2 camera 2 chipset 1 diskette drive 2 display panel 2 docking support 3 Ethernet 3 external media cards 3 graphics 1 hard drives 2 keyboard 3 selecting in the Setup Utility 72 service considerations 30 service tag 14, 36 serviceability, product description 4 Setup Utility changing - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 122
slots Digital Media Slot 10 ExpressCard 10 software, safeguarding information 94 specifications computer 76 display 77 DVD±RW and CD-RW DoubleLayer Combo Drive 79 hard drive 78 I/O addresses 82 interrupts 81 memory map 84 optical drive 79 system DMA 80 static-shielding materials 34 stop button 11 - HP TouchSmart tx2-1270us | HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 123
HP TouchSmart tx2 Notebook PC
Maintenance and Service Guide