Aiwa HV-FX-8100 Service Manual page 36

AT PLAYBACK, THE PICTURE
DOES NOT APPEAR
DOES E-E PICTURE
APPEAR ?
YES
IS THERE VIDEO
SIGNAL OF IC4001
AT PIN 35 ?
YES
IS THERE VIDEO
SIGNAL OF IC1001
AT PIN 17 ?
YES
IS THERE VIDEO
SIGNAL OF IC1001
AT PIN 19 ?
YES
IS THERE VIDEO
SIGNAL EMITTER
OF Q4201 ?
YES
CHECK JACK J4201.
TROUBLESHOOTING GUIDE
IS THE VOLTAGE OF
NO
IC4001 AT PIN 21, 54,
56, 57, 75 AND 87 5V ?
CHECK IC4001.
NO
NO
NO
NO
E-13
NO
CHECK POWER BLOCK.
YES
CHANGE IC4001.
CHECK IC4001.
CHANGE IC1001.
CHANGE Q4201.