Aiwa HV-FX5100 Service Manual page 44

RECORDING MECHANISM
WORKS,BUT NO VIDEO
RECORDED FROM
INPUT JACK OR TUNER
Does VIDEO signal
appear at pin 31 of
IC4001 ?
Yes
Does the VIDEO signal
appear at pin 52 of IC4001 ?
Yes
Check CYLINDER UNIT .
TROUBLESHOOTING GUIDE
No
No
E-21
Check the circuit from VIDEO
input jack to IC4001, from Tuner
Pack to IC4001.
Replace IC4001.