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6.2.11.ii Speaker
It is not concentrate to Speaker error, we can refer to below items to
do trouble shooting.
A. Speaker no Sound
Check the audio signal on both sides from (R65, R66). If we
can't found it also keep forward trace on the circuit. If we can get
the signal from (SPKL, SPKR) but (R65, R66) still no exist. The
U42 (Class-D Amp) NG, replace the Chip U42.
B. On-Board Microphone can't Record
If the quality is poor please change the U11. If the function total un-work please
check the (L1, C121, C124, C125, 126).
華
碩
電
腦
華
碩
電
腦
Figure 14. Headset mechanism
Figure 15. Class D Amp for speaker
Figure 16. Microphone circuit
GTC ■ Service Manual
24
ASUS Proprietary
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