TROUBLESHOOTING GUIDE
Check IC5501.
No
Yes
No
Yes
No
Yes
Check Power circuit.
Check TUNER BLOCK.
Check the circuit between pins
53 and 57 of IC5501 and J4201.
NO E-E AUDIO (STEREO)
Does STEREO SOUND
signal appear at pins 53
and 57 of IC5501 ?
Is the voltage at pin 100
of IC1001 high ?
Check IC1001 and the peripheral
circuit.
Is the voltage at pin 58 of
IC5501 DC9V and pins 25
and 40 of IC5501 DC5V ?
Does TUNER AUDIO
signal appear at pin 48 of
IC5501 ?
No
Yes
E-28
