LG CM9550 - Page 54

3-33
B
ELECTRICAL TROUBLESHOOTING GUIDE
A
YES
YES
YES
Check IC501.
Replace IC600.
Check IC501.
NO
NO
NO
IC501
PinD1, D2, E1 I2S clock signal
OK?
IC600
PWM data output signal
OK?
IC501
PinE2 I2S data signal
OK?