Aiwa HV-FX5100 Service Manual page 46

NO E-E AUDIO (MONO)
Is the voltage at pin
40 of IC5501 5V ?
Yes
Is the voltage at pin
34 of IC5501 12V ?
Yes
Does AUDIO signal
appear at pins 6 and 7
of IC5501 ?
Yes
Does AUDIO signal
appear at pin 21
of IC5501 ?
Yes
Does AUDIO signal
appear at pin 22
of IC5501 ?
Yes
Does AUDIO signal
appear at pins 15 and
18 of IC5501 ?
Yes
Check J4501 and peripheral
circuit.
TROUBLESHOOTING GUIDE
No
No
No
No
No
No
E-23
Check POWER BLOCK.
Check POWER BLOCK.
Check J4501 and peripheral
circuit.
Replace IC5501.
Check IC4001.
Replace IC5501.