HP Presario CQ20-100 Compaq Presario CQ20 Notebook PC - Maintenance and Servic - Page 58

Audio board, Open the audio board cable ZIF connector

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Audio board Removal and replacement procedures Description Audio board Spare part number 493272-001 Before removing the audio 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 computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard drive (see "Hard drive" on page 4-8) b. Memory module (see "Memory module" on page 4-10) c. WLAN module (see "WLAN module" on page 4-12) d. Optical drive (see "Optical drive" on page 4-15) e. Keyboard (see "Keyboard" on page 4-17) f. Top cover (see "Top cover" on page 4-19) Remove the audio board and cable: 1. Open the audio board cable ZIF connector 1, and then remove the cable from the system board. 2. Remove the two Phillips PM2.0×3.0 screws 2 that secure the audio board to the system board. 3. Lift and move the audio board backward 3 so that the external audio connectors slide out of the openings in the base enclosure. Reverse this procedure to install the audio board. Maintenance and Service Guide 4-29

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Removal and replacement procedures
Maintenance and Service Guide
4–29
Audio board
Before removing the audio 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 computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the battery (see
“Battery” on page 4-7
).
5. Remove the following components:
a.
Hard drive (see
“Hard drive” on page 4-8
)
b.
Memory module (see
“Memory module” on page 4-10
)
c.
WLAN module (see
“WLAN module” on page 4-12
)
d.
Optical drive (see
“Optical drive” on page 4-15
)
e.
Keyboard (see
“Keyboard” on page 4-17
)
f.
Top cover (see
“Top cover” on page 4-19
)
Remove the audio board and cable:
1. Open the audio board cable ZIF connector
1
, and then remove the cable from the system board.
2. Remove the two Phillips PM2.0×3.0 screws
2
that secure the audio board to the system board.
3.
Lift and move the audio board backward
3
so that the external audio connectors slide out of the openings in the
base enclosure.
Reverse this procedure to install the audio board.
Description
Spare part number
Audio board
493272-001