Asus M930 Service Manual Page 19

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GTC Service Manual
ASUS Proprietary 19
Figure 13. Headset Circuit - 02
4.8.2 Speaker
Most defective always related to the Speaker itself during the
assembly period. Please check the below item.
Speaker NO Sound
R31R32 Audio signal (oscillate scope)
C46C49 Audio signal (oscillate scope)
If the C46C49 can be check signal but SPK_PSPK_N no be
measured, please replace the U13 ( Class-D Amp).
Figure 14. Class D Amp for speaker
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