TROUBLESHOOTING GUIDE
E-16
RECORDING MECHANISM
WORKS, BUT NO VIDEO
RECORDED FROM INPUT
JACK OR TUNER
Yes
No
Check the circuit from VIDEO input
jack to IC4001 and from Tuner Pack
to IC4001.
Yes
No
Does video signal
appear at pin 28 or
30 or 31 of IC4001?
No
Yes
Check the peripheral circuit IC4001.
Check C4027, C4028 and the
peripheral circuit.
Check CYLINDER UNIT and IC4001.
Does FM signal
appear at pin 86 or 89
of IC4001?
Does FM signal appear
at pin 2 or 4 of CP4001?