Aiwa HV-FX-8100 Service Manual page 40

AT PLAY, AUDIO DOES NOT
APPEAR
AT E-E, DOES
AUDIO APPEAR ?
YES
IS THE VOLTAGE
AT PIN 4 OF IC4001
ABOUT 2.5V ?
YES
IS THERE AUDIO
SIGNAL AT PIN
96 OF IC4001 ?
YES
IS THERE AUDIO
SIGNAL AT PIN 22 AND
PIN 24 OF IC5501 ?
NO
CHECK WHETHER THERE ARE
NOT A DAMAGE, DIRT IN AUDIO
HEAD.
TROUBLESHOOTING GUIDE
NO
NO
NO
YES
E-17
REFER TO SECTION "E-
E DOES NOT APPEAR".
CHECK C4024 AND
AROUND CIRCUIT OF IT.
CHECK CIRCUIT AROUND
AT PIN 97 OF IC4001.
CHECK CIRCUIT
AROUND AT PIN 22
AND PIN 24 OF IC5501.