LG CM9750 Service Manual page 51

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ELECTRICAL TROUBLESHOOTING GUIDE
A
YES
IC501
pin D1, D2, E1 I2S Clock signal
OK?
YES
IC501
pin E2 I2S data signal
OK?
YES
IC202
PWM data output signal
OK?
YES
B
NO
Check IC501.
NO
Check IC501.
NO
Replace IC202.
3-32

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