HP Pavilion Tx1200 Notebook Pc Series Service Guide

							
15.Remove the eight Phillips PM2.0×7.0 screws that 
secure the display bezel to the display assembly.
NOTE:All screws used to secure  display assembly internal subcomponents are available
in the Display Screw Kit, spare part number 441124-001.
16 .Flex the inside edges of the right side  (1) of the display bezel and the inside edges of the top and
bottom sides  (2) of the display bezel until the bezel  disengages from the display assembly.
17 .Swing the right side  of the display bezel (3) to the left until it rests upside down on the left side of
the display assembly.
NOTE: Display bezels are available using  the following spare part numbers:
●441117-001 - for use only with computer mode
ls equipped with a Web camera and fingerprint
reader
● 441116-001 - for use only with computer models equipped with a Web camera, but not
fingerprint reader
● 441118-001 - for use only with computer models equipped with a fingerprint reader, but not
a Web camera
● 441115-001 - for use only with computer models not equipped with a Web camera or
fingerprint reader
56 Chapter 
5   Removal and replacement procedures ENWW 
						

							
18.Disconnect the fingerprint reader board cable  (1) from the fingerprint reader board.
19 .If it is necessary to replace the fingerprint re ader board, remove the Phillips PM2.0×4.0 screw  (2)
that secures the fingerprint reader bo ard and bracket to the display bezel.
20 .Remove the fingerprint reader board bracket  (3).
21 .Lift the left side of the fingerprint reader board  (4) and remove the board from the display bezel.
NOTE: The fingerprint reader board and bracke t are available using spare part number
441121-001.
22 .I f  i t  i s  n e c e s s a r y  t o  r e p l a c e the display inverter, remove  the Phillips PM2.0×4.0 screw  (1) that secures
the inverter to the display enclosure.
23 .Disconnect the backlight cable  (2) and the display panel cable  (3) from the inverter.
24 .Remove the display inverter  (4).
NOTE: The display inverter is available using spare part number 441119-001.
ENWW Component replacement procedures 57 
						

							
25.If it is necessary to replace the We b camera, disconnect the camera cable  (1) from the camera
module.
26 .Remove the camera module  (2) from the display enclosure.
NOTE: The Web camera is available using spare part number 441120-001.
27.If it is necessary to replace the display LED bo ard, remove the two Phillips PM2.0×4.0 screws  (1)
that secure the display LED board to the to the display enclosure.
28 .Release the display LED board  (2) as far as the display LED board cable will allow.
29 .Disconnect the display LED board cable  (3) from the display LED board.
NOTE: The display LED board is available us ing spare part number 441123-001.
30.Remove the display LED board from the display enclosure.
31 .If it is necessary to replace the display QuickPla
y board, remove the two Phillips PM2.0×4.0 screws
(1)  that secure the display QuickPla y board to the display enclosure.
58 Chapter  5   Removal and replacement procedures ENWW 
						

							
32.Release the display QuickPlay board  (2) as far as the display QuickPlay board cable will allow.
33 .Disconnect the display QuickPlay board cable  (3) from the display QuickPlay board.
NOTE: The display QuickPlay board is avai lable in using spare part number
441122-001.
34 .Remove the display QuickPlay bo
ard from the display enclosure.
Reverse this procedure to reassemble  and install the display assembly.
Top cover
DescriptionSpare part number
Top cover (includes TouchPad and TouchPad cable, caps lock light board and cable, and
top cover bumper pads) 441134-001
Before removing the top co
ver, 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 device
s connected to the computer.
3 . Disconnect the power cord.
4 . Remove the battery (see 
Battery on page 36
).
5 . Remove the following components:
a
. Hard drive (see 
Hard drive on page 38
)
b . WWAN module (see 
WWAN module on page 40
)
c . Optical drive (see 
Optical drive on page 42
)
d . Keyboard (see 
Keyboard on page 47
)
ENWW Component replacement procedures 59 
						

							
e. Switch cover (see Switch cover on page 50
)
f . Display assembly (see 
Display assembly on page 52
)
Remove the top cover:
1 . Turn the computer upside down
, with the front toward you.
2 . Remove the five Phillips PM2.0×7.0 screws  (1) and the three Phillips PM2.0×4.0 screws  (2) that
secure the top cover to the computer.
3 . Turn the computer right-side 
up, with the front toward you.
4 . Disconnect the display lid switch board cable  (1) from the system board.
5 . Release the ZIF connector  (2) to which the TouchPad cable is co nnected and disconnect the TouchPad
cable  (3).
6 . Remove the two Phillips PM2.0×5.0 screws  (4) that secure the top cover to the base enclosure.
60 Chapter  5   Removal and replacement procedures ENWW 
						

							
7. Lift the top cover straight up and remove it.
Reverse this procedure to
 install the top cover.
ENWW Component replacement procedures 61 
						

							
RTC battery
DescriptionSpare part number
RTC battery412390-001
Before removing the RTC battery, 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 device
s connected to the computer.
3 . Disconnect the power cord.
4 . Remove the battery (see 
Battery on page 36
).
5 . Remove the following components:
a
. Hard drive (see 
Hard drive on page 38
)
b . Optical drive (see 
Optical drive on page 42
)
c . Keyboard (see 
Keyboard on page 47
)
d . Switch cover (see 
Switch cover on page 50
)
e . Display assembly (see 
Display assembly on page 52
)
f . Top cover (see 
Top cover on page 59
).
Remove the RTC battery:
▲ Use a non-conductive, flat-b
laded tool to pry the RTC battery out of the socket.
Reverse this procedure to install th e RTC battery. Be sure the RTC batte ry is installed with the “+” sign
facing up.
62 Chapter  5   Removal and replacement procedures ENWW 
						

							
Power switch assembly
DescriptionSpare part number
Power switch assembly (includes power switch board cable and actuator switch) 441142-001
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, turn the
computer on, and then shut it down through the operating system.
2 . Disconnect all external device
s connected to the computer.
3 . Disconnect the power cord.
4 . Remove the battery (see 
Battery on page 36
).
5 . Remove the following components:
a
. Hard drive (see 
Hard drive on page 38
)
b . Optical drive (see 
Optical drive on page 42
)
c . Keyboard (see 
Keyboard on page 47
)
d . Switch cover (see 
Switch cover on page 50
)
e . Display assembly (see 
Display assembly on page 52
)
f . Top cover (see 
Top cover on page 59
).
Remove the power switch assembly:
1 . Remove the two Phillips PM2.0×4.0 screws  (1) that secure the power  switch board to the base
enclosure.
2 . Remove the Phillips PM2.0×4.0 screw  (2) that secures the display rele ase hook assembly to the base
enclosure.
ENWW Component replacement procedures 63 
						

							
3. Remove the display 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 switch board  (2) and power switch actuator  (3) from the base enclosure.
Reverse this procedure to install the power switch assembly.
64 Chapter  5   Removal and replacement procedures ENWW 
						

							
Bluetooth module
DescriptionSpare part number
Bluetooth module (includes Bluetooth module cable) 412766-002
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 down through the operating system.
2 . Disconnect all external device
s connected to the computer.
3 . Disconnect the power cord.
4 . Remove the battery (see 
Battery on page 36
).
5 . Remove the following components:
a
. Hard drive (see 
Hard drive on page 38
)
b . Optical drive (see 
Optical drive on page 42
)
c . Keyboard (see 
Keyboard on page 47
)
d . Switch cover (see 
Switch cover on page 50
)
e . Display assembly (see 
Display assembly on page 52
)
f . Top cover (see 
Top cover on page 59
).
Remove the Bluetooth module:
1 . Disconnect the Bluetooth module cable  (1) from the system board.
2 . Remove the Phillips PM2.0×3.0 screw  (2) that secures the Bluetooth  module to the system board.
3 . Remove the Bluetooth module  (3).
Reverse this procedure to in stall the Bluetooth module.
ENWW Component replacement procedures 65