Service manual

GTC Service Manual
ASUS Proprietary 20
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4.8.3 On-Board Microphone can’t record
If recording quality is poor  U15 NG.
If recording function is fail, please check R39、R44、C55、C60.
Figure 15. Microphone circuit
4.8.4 Receiver
If Receiver no voice, please check the C1、C2 on the LCD_FPC.
If still can’t find any signal , please check Soldering issue( open /
short) on the PMU.
Please replace the Receiver in the final step.