HP Pavilion Tx2100 Entertainment Notebook Pc Series Service Guide

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 43)
d.Keyboard (see 
Keyboard on page 49)
e.Switch cover (see 
Switch cover on page 51)
f.Display assembly (see 
Display assembly on page 53)
g.Top cover (see 
Top cover on page 56)
h.Power switch assembly (see 
Power switch assembly on page 59)
Remove the system board:...

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 enclosure.
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 

Pen holder and pen eject assembly
DescriptionSpare part number
Pen holder and pen eject assembly 464113-001
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, and 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).
5.Remove the following...

4.Remove the pen holder (4).
Reverse this procedure to install the pen holder and pen eject assembly.
Audio/infrared board
DescriptionSpare part number
Audio/infrared board (includes audio/infrared board cable) 441144-001
Before removing the audio/infrared board, 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 connected to the...

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 it away from you until the connectors on the front
of the board disengage from the openings in the base enclosure.
3.Remove the audio/infrared board (3).
Reverse this procedure to install the audio/infrared...

Fan/heat sink assembly
DescriptionSpare part number
Fan/heat sink assembly (includes thermal paste and thermal pads) 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 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...

3.Remove the fan/heat 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 should be thoroughly cleaned from the surfaces of the
fan/heat sink assembly (1) and the system board components (2) each time the fan/heat sink
assembly is removed. Thermal paste and...

Processor
NOTE:All processor spare part kits include thermal paste.
DesriptionSpare part number
AMD Turion 64 Mobile Technology ZM-86 processor (2.4-GHz, 1-MB L2 cache, 800-MHz FSB) 507974-001
AMD Turion 64 Mobile Technology ZM-84 processor (2.3-GHz, 1-MB L2 cache, 800-MHz FSB) 507957-001
AMD Turion 64 Mobile Technology ZM-82 processor (2.2-GHz, 1-MB L2 cache, 800-MHz FSB) 507973-001
AMD Turion 64 Mobile Technology ZM-80 processor (2.1-GHz, 1-MB L2 cache, 800-MHz FSB) 507972-001
AMD Turion 64 Mobile...

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 

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, do not attempt to make
repairs at the component level or modify any printed wiring board. Improper repairs can create a
safety hazard. Any indication of component replacement or printed wiring board modification may
void any...