Vizio E60-C3 - Page 29

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