Asus P552W Manual page 32

2.3.11.2 Speaker Defect
Please verify if the speaker mounted on the case is contacting with
on board speaker pin correctly. Otherwise, please follow the below
debugging procedure:
● Verify if measured +3.6V is correct, and R1021 both end's
measured voltage is 3.6V
● Verify if there is any defect on components R1034, R1036, R1037,
R1038, C1010, C1011, R1024, R1020, and observe if audio signal
can be measured on those components when playing sounds
through speaker. If audio signal can be measured on R1034, R1036,
R1037, R1038, but can not be measured on R1024 and R1020, then
it is likely that U1003 is defected.
華 碩 電 腦
華 碩 電 腦
Figure 1.13 Headset mechanism
GTC ■ Service Manual
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