Sanyo HV-DX3E Service Manual page 20

TROUBLESHOOTING
e. FRONT E-E
No sound in Front
E-E mode.
NO
Is Audio signal at IC601 pin#1,
Check Input Front JACK.
12?
YES
NO
Is Audio signal output at IC601 pin
Comparing with switching table, are SWA, B CTL SIGNAL
#3, 13?
right at IC601 pin #9,10?
YES NO
YES
Replace IC601. Check IC501.
Check Output JACK.
19