HP 625 Compaq 325 and 326 Notebook PCs HP 425 and 625 Notebook PCs - Maintenan - Page 109

Audio board

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Audio board Description Audio board Audio board for use on system boards with UMA graphics subsystem Spare part numbers 620608-001 622614-001 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 48). 5. Remove the service door (see Service door on page 49). 6. Remove the hard drive (see Hard drive on page 51). 7. Remove the optical drive (see Optical drive on page 57). 8. Remove the fan (see Fan on page 59). 9. Remove the palm rest (see Palm rest on page 64). 10. Remove the keyboard (see Keyboard on page 67). 11. Remove the top cover (see Top cover on page 71). 12. Remove the system board (seeSystem board on page 90). Remove the audio board from 39.6-cm (15.6-in) computers: 1. Position the computer right-side up with the front toward you. Component replacement procedures 99

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Audio board
Description
Spare part numbers
Audio board
620608-001
Audio board for use on system boards with UMA graphics subsystem
622614-001
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
48
).
5.
Remove the service door (see
Service door
on page
49
).
6.
Remove the hard drive (see
Hard drive
on page
51
).
7.
Remove the optical drive (see
Optical drive
on page
57
).
8.
Remove the fan (see
Fan
on page
59
).
9.
Remove the palm rest (see
Palm rest
on page
64
).
10.
Remove the keyboard (see
Keyboard
on page
67
).
11.
Remove the top cover (see
Top cover
on page
71
).
12.
Remove the system board (see
System board
on page
90
).
Remove the audio board from
39.6-cm
(15.6-in) computers:
1.
Position the computer right-side up with the front toward you.
Component replacement procedures
99