LG MCS1306F - Page 65

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ELECTRICAL TROUBLESHOOTING GUIDE
B
A
YES
YES
YES
YES
YES
YES
YES
Replace IC501.
Replace IC507.
Check IC507.
Check IC501.
Check IC501.
Check IC501.
Check IC801.
NO
NO
NO
NO
NO
NO
NO
IC501
Pin83,87,88 I2S data output
signal OK?
IC507
Pin7,14 BEAT_LRCK/BCK output
signal OK?
IC507
Pin2,17 DAC_BCK/LRCK input
signal OK?
IC501
Pin83 BEAT_DAC_DATA output
signal OK?
IC801
I2S input signal
OK?
IC501
Pin83 BEAT_DAC_DATA output
signal OK?
IC801
BEAT_DATA output signal
OK?