Aiwa HV-FX4100k Service Manual page 50

NO PB AUDIO (Hi-Fi)
Does audio appear
on E-E ?
Yes
Does audio appear
on PB ?
Yes
Is the voltage at pin
44 of IC5501 high ?
Yes
Replace IC5501.
TROUBLESHOOTING GUIDE
No
No
No
E-27
Refer to section " NO E-E
AUDIO (STEREO) ".
Refer to section " NO NORMAL
AUDIO ON PLAYBACK ".
Replace IC1002.