Aiwa HV-FX5100 - Manual (Page 46)

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