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TROUBLESHOOTING GUIDE
E-32
NO ANALOG AUDIO ON
PLAYBACK
Is there AUDIO signal at
pins 1 and 7 of IC8001 ?
Yes
Is there waveform at pins
1, 2, 3 and 16 of IC8102 ?
Yes
Check J8006 and peripheral
circuit.
No
No
Check AT+5V.
Change IC4001.
No
Yes
Change IC8102.
Is there voltage at pin
6 of IC8102 about 5V ?