Table of Contents
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MAIN UNIT:
Is audio signal output from pin (12) (OUTL) and pin
(3) (OUTR) of IC U8001 to Jack (CN8002)?
No
Is the audio signal output from IC U8001 pin (3)
(OUTR) and pin (12) (OUTL) of IC U8001?
No
Is the audio signal input to IC U8001 pin (2) (INR)
and pin (13) (INL)?
No
Is the audio signal output from IC U107 pin (AD6)
AOSDATA0 ?
No
Check IC U107 and its peripheral circuits.
The audio signal is not output
No audio signal output from Line-Out terminal (CN8002).
YES
Check the connection to HPOL(R) OUT and
external devices.
YES
Check the circuit between IC U8001 and Jack
CN8002.
YES
Check the peripheral circuit of IC U8001.
28
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