HP Tx2635us HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid
HP Tx2635us - Pavilion Entertainment - Turion X2 Ultra 2.2 GHz Manual
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- HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 1
HP Pavilion tx2500 Entertainment PC Maintenance and Service Guide - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 2
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 procedures. Second - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - 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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 4
iv Safety warning notice - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 5
component identification Top components ...5 Display components ...5 Keys ...7 Pointing devices ...8 Front components ...9 Left-side components ...10 Right-side components ...11 Rear components ...12 Bottom components ...13 3 Illustrated parts catalog Service tag location ...14 Computer major - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 6
Setup Utility menus ...75 Main menu ...75 Security menu ...75 System Configuration menu 76 Diagnostics menu ...76 6 Specifications Computer specifications ...77 12.1-inch, WXGA BrightView display specifications 78 Hard drive specifications ...79 DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 7
System interrupt specifications ...82 System I/O address specifications ...83 System memory map specifications 85 7 Screw listing Phillips PM3.0×3.0 screw ...86 Phillips PM2.0×7.0 screw ...87 Phillips PM2.0×4.0 screw ...88 Phillips PM2.0×5.0 captive screw ...90 Black Phillips PM2.0×3.0 screw ...91 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 8
11 Recycling Battery ...107 Display ...108 Index ...113 viii - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 9
1 Product description Category Product Name Processors Chipset Graphics Panels Memory Description HP Pavilion tx2500 Entertainment PC AMD Turion™ 64 Mobile Technology Ultra-Dual Core ZM-86 processor, 2.4-GHz, 2-MB L2 cache, 800-MHz front side bus (FSB) AMD Turion 64 Mobile - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 10
Description ● Supports all 9.5-mm, 2.5-inch hard drives ● Serial ATA 320-GB, 5400-rpm 250-GB, 5400-rpm 160-GB, 5400-rpm 120-GB, 5400-rpm ● 12.7-mm noise-suppression software ● Pavilion-branded Altec Lansing speakers ● Motorola 56K V.92 data/fax modem ● Supports all world wide certification - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 11
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 and two-way scroll Wacom 9.0-mm touch-screen pen 8-cell, 73-Wh, 2.55-Ah Li-ion battery 6-cell, 55-Wh - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 12
Category Description Hard drive Memory module Optical drive WLAN module 4 Chapter 1 Product description - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 13
identification Top components Display components Item (1) (2) (3) (4) (5) (6) (7) Component Internal microphones (2) Display release latch Integrated Launches the QuickPlay program. Opens Mobility Center. Rotates the screen image clockwise into 4 orientations: landscape primary, landscape secondary - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 14
light (11) Battery light (12) Power light (13) Consumer infrared lens (14) Internal display switch (15) Fingerprint reader (select models only) (16) Wireless antennae (select models only) Function Swivels the display and converts the computer from traditional notebook mode into slate - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 15
combination with the fn key. Executes frequently used system functions when pressed in combination with a function key or the esc key. Displays the Windows® Start menu. Displays a shortcut menu for items beneath the pointer. Can be used like the keys on an external numeric keypad. Execute frequently - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 16
light (5) TouchPad vertical scroll zone (6) Right TouchPad button* Enables/disables the TouchPad. Moves the pointer and selects or activates items on the screen. Functions like the left button on an external mouse. ● Blue: TouchPad is enabled. ● Amber: TouchPad is disabled. Scrolls up or down - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 17
Component Display If the computer has stopped responding and Windows shutdown procedures are not effective, slide the Sleep or Hibernation, refer to the Power Management guide. ● On: The computer is on. ● HP Remote Control. Provides enhanced audio performance, including surround sound and other high - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 18
changing factory settings, refer to the user guides located in Help and Support. Left-side components Item (1) (2) (3) Supports optional ExpressCard/34 cards. Supports the following optional digital card formats: Secure Digital (SD) Memory Card, MultiMediaCard (MMC), Memory Stick (MS), Memory - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 19
Expansion port 3 (10) External monitor port (11) S-Video-out jack (12) Vent Function ● Plays the previous track or chapter when the button is pressed Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 20
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 not prevent the computer from being mishandled or stolen. 12 Chapter 2 External component identification - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 21
fan to cycle on and off during routine operation. Releases the battery from the battery bay. Holds the hard drive. Releases the optical drive from the drive bay. Contains the memory functionality, and then contact technical support through Help and Support. Holds the battery. Bottom components 13 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 22
when troubleshooting system problems. The service tag specific information 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 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 23
Service tag location 15 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 24
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 484751-001 16 Chapter 3 Illustrated parts catalog - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 25
12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, 484750-001 microphones, and WLAN antenna cables Display convertible hinge cover (included with display assembly) Display Rubber Kit (not illustrated, includes 8 display 464111-001 RTC battery 449729-001 Bluetooth module - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 26
Mobile Technology RM-70 (2.0-GHz, 1-MB L2 cache, 800-MHz FSB) 507977-001 AMD Athlon QL-62 (2.0-GHz, 512-KB L2 cache, 667-MHz FSB) 506052-001 AMD Athlon QL-60 (1.9-GHz, 512-KB L2 cache, 667-MHz FSB) 507982-001 Audio/infrared board (includes audio/infrared board cable) 441144-001 Fan/heat - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 27
Item (18) Description Spare part number WLAN module Broadcom 4321AGN 802.11a/b/g/n WLAN module ● For use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. Virgin Islands, and the United States 453730-001 ● For use in Afghanistan, Albania, Algeria, Andorra, 453730-002 Angola, - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 28
Item Description Spare part number ● For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh, Barbados, Belgium, Belize, Benin, Bermuda, Bolivia, Bosnia and Herzegovina, Botswana, - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 29
-003 120-GB 441127-003 Hard Drive Hardware Kit (not illustrated; includes hard drive bracket, hard drive 497744-001 connector, and hard drive screws) Battery 8-cell, 73-Ah, 2.55-Ah 463650-003 6-cell, 55-Ah, 2.55-Ah 441132-003 4-cell, 37-Ah, 2.55-Ah 441131-003 Computer major components - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 30
part number Plastics Kit 487926-001 ExpressCard slot bezel Hard drive cover (includes 1 rubber foot and 2 captive screws, secured by C-clips) Display connector cover (includes 1 captive screw, secured by a C-clip) WLAN module compartment cover (includes 1 captive screw, secured by a C-clip - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 31
Item (1) (2) Description Spare part number Hard drives (all 5400-rpm) include frame and hard drive connector 500-GB 497515-001 400-GB 500141-001 320-GB 463463-003 250-GB 457061-003 160-GB 441128-003 120-GB 441127-003 Hard Drive Hardware Kit (includes hard drive bracket, hard drive - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 32
TV tuner Audio/video cable Cat5E cable DVB-T TV tuner DVB-T TV tuner antenna DVB-T TV tuner antenna adapter HP backpack HP carrying case HP notebook protective sleeve Remote control (fits into ExpressCard slot) Infrared emitter with cable Optical wired mouse Power cord Argentina Australia Brazil - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 33
screw ● Phillips PM2.0×4.0 screw ● Phillips PM2.0×3.0 screw Tablet stand USB extension cable USB travel mouse Vista remote control Wired headset with volume control HP backpack DVB-T TV tuner DVB-T TV tuner antenna adapter DVB-T TV tuner antenna 65-watt AC adapter HP carrying case Wireless laser - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 34
454619-001 455456-001 455457-001 455458-001 455459-001 457061-003 459263-001 Description 4-cell, 37-Ah, 2.55-Ah battery 6-cell, 55-Ah, 2.55-Ah battery Power switch assembly (includes power switch board cable and power switch board actuator) Audio/infrared board (includes audio/infrared board cable - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 35
control (fits into ExpressCard slot) Tablet stand Base enclosure (includes optical drive release assembly, 2 battery release latches, and 4 rubber feet) HP notebook protective sleeve System board (includes replacement thermal material) AMD Turion 64 Mobile Technology RM-80 2.0-GHz processor (1-MB L2 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 36
use in Israel Keyboard for use in Denmark, Finland, and Norway 12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, microphones, and WLAN antenna cables 12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, microphones, fingerprint reader, and WLAN antenna - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 37
, Tuvalu, Uganda, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe Bluetooth module cable Fan/heat sink assembly (includes replacement thermal paste and thermal pads) Plastics Kit (see Plastics Kit on page 22 for Plastics Kit - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 38
ZM-84 2.3-GHz processor (1-MB L2 cache, 800-MHz FSB, includes replacement thermal material) AMD Turion 64 Mobile Technology RM-70 (2.0-GHz, 1-MB L2 cache, 800-MHz FSB) AMD Turion 64 Mobile Technology RM-72 processor (2.1-GHz, 1-MB L2 cache, 800-MHz FSB) AMD Athlon QL-60 1.9-GHz processor (512-KB L2 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 39
screwdriver Service considerations The following sections include some of the considerations that you should keep in mind during disassembly and area to prevent damage. Plastic parts CAUTION: Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 40
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed handling a drive, be sure that you are discharged of static electricity. While handling a drive, avoid touching the connector. Before removing a diskette drive or optical drive, be sure that a diskette or disc - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 41
layers, reducing its life expectancy. CAUTION: touching an electronic component, discharge static electricity by using the guidelines described in this section. Avoid touching voltage levels Relative humidity 10% 40% 35,000 V 15,000 V 12,000 V 5,000 V 6,000 v 800 V 2,000 V 700 V - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 42
removing items from their containers. ● Always be properly grounded when touching a component or assembly. ● Store reusable ESD-sensitive parts surface and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When fixtures - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 43
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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 44
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. Shut down the computer. If you are unsure whether the computer is off or in - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 45
number (p/n): This number provides specific information 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 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 46
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 high-capacity battery. 38 Chapter 4 Removal and replacement procedures - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 47
8-cell, 73-Wh, 2.55-Ah battery 6-cell, 55-Wh, 2.55-Ah battery 4-cell, 37-Wh, 2.55-Ah battery Spare part number 463650-003 441132-003 441131-003 Before disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 48
then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power cord. 4. Remove the battery (see Battery on page 39). Remove the pen: 1. Position the computer with the left side toward you. 2. Press in on the pen (1) to release - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 49
it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power cord. 4. Remove the battery (see Battery on page 39). Remove the hard drive: 1. Position the computer with the front toward you. 2. Loosen the two Phillips PM2.0×5.0 captive - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 50
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 necessary to remove the hard drive bracket and connector, remove the four Phillips PM3.0×3.0 hard drive bracket screws (1) - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 51
it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power cord. 4. Remove the battery (see Battery on page 39). Remove the optical drive: 1. Position the computer with right side toward you. 2. Slide the optical drive release latch - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 52
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power cord. 4. Remove the battery (see Battery on page 39). Remove the memory module: 1. Position the computer with the front toward you. 2. Loosen the two Phillips PM2.0×5.0 captive screws (1) that - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - 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 installation into the memory module slot. Reverse this procedure to install a memory module. Component replacement procedures 45 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - 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, Argentina, - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 55
it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power cord. 4. Remove the battery (see Battery on page 39). Remove the WLAN module: 1. Position the computer with the front toward you. 2. Loosen the Phillips PM2.0×5.0 captive screw - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - 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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 57
it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power cord. 4. Remove the battery (see Battery on page 39). Remove the keyboard: 1. Position the computer with the front toward you. 2. Remove the four Phillips PM2.0×11.0 screws - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - 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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 59
(see Battery on page 39). 5. Remove the keyboard (see Keyboard on page 49). Remove the switch cover: 1. Turn the computer upside down, with the front toward you. 2. Remove the four Phillips PM2.0×7.0 screws that secure the switch cover to the computer. 3. Turn the computer display-side up, with - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - 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) - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 61
12.1-inch, WXGA, BrightView touch-screen display assembly with Web camera, fingerprint reader, microphones, and WLAN antenna cables 484751-001 12.1-inch, WXGA, BrightView touch-screen display the battery (see Battery on page 39). 5. Remove the memory module compartment cover (see Memory module - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 62
the two Phillips PM2.5×6.0 screws (3) that secure the display assembly to the computer. 6. Remove the wireless antenna cables the system board. 8. Turn the computer display-side up, with the front toward you. 9. Open the computer. 10. Remove the display convertible hinge cover (1). 11. Remove the - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - 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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 64
(see Battery on page 39). 5. Remove the following components: a. Hard drive (see Hard drive on page 41) b. Optical drive (see Optical drive on page 43) c. Keyboard (see Keyboard on page 49) d. Switch cover (see Switch cover on page 51) e. Display assembly (see Display assembly on page 53) Remove - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - 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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 66
on page 49) d. Switch cover (see Switch cover on page 51) e. Display assembly (see Display assembly on page 53) f. Top cover (see Top cover on page 56) Remove the RTC battery: Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket. Reverse this procedure to install the RTC - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 67
(see Battery on page 39). 5. Remove the following components: a. Hard drive (see Hard drive on page 41) b. Optical drive (see Optical drive on page 43) c. Keyboard (see Keyboard on page 49) d. Switch cover (see Switch cover on page 51) e. Display assembly (see Display assembly on page 53) f. Top - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 68
release hook assembly (3). NOTE: The display release hook assemblies are included with the base enclosure spare part kits. 4. Disconnect the power switch board cable (1) from the system board. 5. Remove the power - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 69
(see Battery on page 39). 5. Remove the following components: a. Hard drive (see Hard drive on page 41) b. Optical drive (see Optical drive on page 43) c. Keyboard (see Keyboard on page 49) d. Switch cover (see Switch cover on page 51) e. Display assembly (see Display assembly on page 53) f. Top - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 70
module (see Memory module on page 44) ● WLAN module (see WLAN module on page 46) ● RTC battery (see RTC battery on page 58) ● Bluetooth module (see Bluetooth module on page 61) ● Fan/heat sink assembly (see Fan/heat sink assembly on page 68) ● Processor (see Processor on page 70) Before removing - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 71
2. Remove the ExpressCard slot bezel (2) from the ExpressCard slot. NOTE: The ExpressCard slot bezel is included in the Plastics Kit, spare part number 487926-001. 3. Release the ZIF connector (1) to which the audio/infrared board cable is connected and disconnect the audio/infrared board cable (2) - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 72
5. Pull the system board (4) away from the top cover at an angle and remove it. Reverse this procedure to install the system board. 64 Chapter 4 Removal and replacement procedures - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 73
power cord. 4. Remove the battery (see Battery on page 39). 5. Remove Memory module compartment cover (see Memory module on page 44) d. Optical drive (see Optical drive on page 43) e. Keyboard (see Keyboard on page 49) f. Switch cover (see Switch cover on page 51) g. Display assembly (see Display - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 74
devices connected to the computer. 3. Disconnect the power cord. 4. Remove the battery (see Battery on page 39). 5. Remove the following components: a. Hard drive (see Hard drive on page 41) b. Memory module compartment cover (see Memory module on page 44) c. Optical drive (see Optical drive on page - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 75
i. System board (see System board on page 62) j. Pen holder (see Pen holder and pen eject assembly on page 65) 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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 76
an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 77
sink assembly (3). NOTE: Due to the adhesive quality of the thermal paste and thermal pads 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 paste and thermal pads - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 78
Mobile Technology RM-72 processor (2.1-GHz, 1-MB L2 cache, 800-MHz FSB) 507978-001 AMD Turion 64 Mobile Technology RM-70 processor (2.0-GHz battery (see Battery on page 39). 5. Remove the following components: a. Hard drive (see Hard drive on page 41) b. Memory module compartment cover (see Memory - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 79
2. Lift the processor (2) straight up and remove it. NOTE: The gold triangle (3) on the processor should be aligned with the triangle (4) embossed on the processor socket when you install the processor. Reverse this procedure to install the processor. Component replacement procedures 71 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 80
! Only authorized technicians trained by HP should repair this equipment. All troubleshooting and repair procedures are detailed to or restart the computer. 2. Before Windows opens and while "Press to enter setup" is displayed in the lower-left corner of the screen, press f10. 72 Chapter 5 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 81
instructions on the screen. Your preferences go into effect when the computer restarts in Windows. Navigating and selecting in the Setup Utility Because the Setup Utility is not Windows-based, it does not support enter setup" is displayed in the lower-left corner of the screen. 2. Access the system - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 82
Boot, and settings for boot order preferences. The " to boot from LAN" message that is displayed in the lower-left corner of the screen each time the computer is started or restarted in Windows is the prompt for a Network Service Boot. The "Press to change boot order" message that is - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 83
the current 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, press esc to return to the menu display. Then use the arrow keys to select Exit > Exit Saving Changes, and then press enter - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 84
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 Hard Disk Self Test (select models only) Memory Test To do this - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 85
Specifications Computer specifications Dimensions Height (front to back) Width Depth Weight (with optical drive, hard drive, and battery 41°F to 95°F -4°F to 140°F 10% to 90% 5% to 95% -15 m to 3,048 m -15 m to 12,192 m -50 ft to 10,000 ft -50 ft to 40,000 ft 125 g, 2 ms, half-sine 200 g, 2 ms - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 86
standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 12.1-inch, WXGA BrightView display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 87
Hard drive specifications 320-GB* 250-GB* 160-GB* 120-GB* Dimensions Height 9.5 mm 9.5 mm 9.5 mm 9.5 mm Width 70 mm 70 mm 70 mm 70 mm Weight †Actual drive specifications may differ slightly. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 88
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 /sec 5,400 KB/sec 10,800 KB/sec 5,400 KB/sec 2,700 KB/sec 6,750 KB/sec Multiword DMA Mode 80 Chapter 6 Specifications - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 89
System DMA specifications Hardware 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. - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 90
System interrupt specifications Hardware IRQ System function IRQ0 IRQ1 System timer Standard 101-/102- 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 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 91
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 Unused Secondary fixed disk controller Unused Primary fixed disk controller Unused JoyStick (decoded in ESS1688) Unused System I/O address specifications 83 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 92
- 3FF CF8 - CFB CFC - CFF System function (shipping configuration) Entertainment audio Unused Unused Unused Unused Unused Unused Reserved serial port Unused Infrared port Unused -OPL3 Unused VGA Reserved (parallel port/no EPP support) VGA PC Card controller in CPU Unused Internal modem "A" diskette - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 93
00FFFFFF 04800000-07FFFFFF 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 System memory map specifications 85 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 94
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 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 95
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 Phillips PM2.0×7.0 screw 87 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 96
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 88 Chapter 7 Screw listing - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 97
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 Phillips PM2.0×4.0 screw 89 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 98
screws (secured by C-clips) that secure the hard drive cover to the computer (2) Two captive screws (secured by C-clips) that secure the memory module compartment cover to the computer (3) One captive screw (secured by a C-clip) that secures the WLAN module compartment cover to the computer (4) One - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 99
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 Black Phillips PM2.0×3.0 screw 91 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 100
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 92 Chapter 7 Screw listing - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 101
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 Phillips PM2.5×6.0 screw 93 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 102
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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 103
Recovering a program or driver (Recovery Manager software feature). This feature helps you reinstall a program or driver without performing a DVDs store more information than CDs, DVDs and DVDs with double-layer (DL) support reduce the number of discs required. NOTE: Read-write discs, such as CD- - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 104
Advanced Options. NOTE: If you are operating the computer on battery power, you will be prompted to 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 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 105
you have to reset your preferences. To copy the screen and paste it into a word-processing document, follow these steps: a. Display the screen. b. Copy the screen: To copy only the active window, press alt+fn+prt sc. To copy the entire screen, press fn+prt sc. c. Open a word-processing document, and - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 106
The System Protection window opens. 6. Follow the on-screen instructions. 98 Chapter 8 Backup and recovery - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 107
> System. 2. In the left pane, click System protection. 3. Click the System Protection tab. 4. Click the System Restore button, and then click Next. The System Restore window opens. 5. Follow the on-screen instructions. Recovering system information 99 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 108
drive. NOTE: Windows has its own built-in repair features, such as System Restore and driver roll-back 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 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 109
9 Connector pin assignments Audio-out (headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Audio-in (microphone) Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground Audio-out (headphone) 101 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 110
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 102 Chapter 9 Connector pin assignments - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 111
RJ-11 (modem) Pin 1 2 3 4 5 6 RJ-45 (network) Signal Unused Tip Ring Unused Unused Unused Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 5 Unused 6 Receive - 7 Unused 8 Unused RJ-11 (modem) 103 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 112
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 104 Chapter 9 Connector - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 113
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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 114
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 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 115
11 Recycling Battery When a battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for computer battery disposal. Battery 107 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 116
This section provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight (1) and the liquid crystal display (LCD) panel (2). NOTE: The procedures provided in this appendix are general disassembly instructions. Specific details - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 117
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 down. Display - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 118
tool to cut the tape (1) that secures the sides of the display panel to the display panel frame. 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 - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 119
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 Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 120
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. 24. Recycle the LCD panel and backlight - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 121
locations 6 applications key, Windows 7 audio, product battery removal 39 spare part numbers 21, 26, 27, 39 battery bay 13 battery light 6 battery display 5 front 5, 9 keyboard 7 left-side 10 rear 12 right-side 11 computer feet locations 38 spare part number 18, 27, 38 computer specifications - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 122
7 Windows applications 7 Windows logo 7 L language support 73, 76 left-side components 10 lights battery 6 Digital Media Slot 10 drive 6 optical drive release 10 power 6, 9 wireless 10 M Main menu 75 mass storage devices, spare part numbers 22 Media button 5 memory map specifications 85 memory - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 123
11 processor product description 1 removal 70 spare part numbers 18, 27, 30, 70 product description audio 2 camera 2 chipset 1 diskette drive 2 display panel 1 docking support 3 Ethernet 2 external media cards 2 graphics 1 hard drives 2 keyboard 3 memory module 1 modem module 2 operating system - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 124
specifications computer 77 display 78 DVD±RW and CD-RW Double- Layer Combo Drive 80 hard drive 79 I/O addresses 83 interrupts 82 memory map cable, spare part number 25, 26 V vents 11, 12, 13 video memory 76 W Windows applications key 7 Windows logo key 7 wireless light 10 wireless switch 9 wireless, - HP Tx2635us | HP Pavilion tx2500 Entertainment PC - Maintenance and Service Guid - Page 125
HP Pavilion tx2500 Entertainment PC
Maintenance and Service Guide