45
TV-13142
TV-13142W
TROUBLESHOOTING GUIDE
RECORDING MECHANISM
WORKS, BUT NO VIDEO
RECORDED FROM INPUT
JACK OR TUNER
Does VIDEO signal
appear at pin 28 or
32 of IC4001 ?
Yes
No
Check the circuit from VIDEO input
jack to IC4001 and from Tuner Pack
to IC4001.
Yes
No
Is there VIDEO signal
at pin 28 of IC4001 ?
Replace IC4001.
Yes
No
Is the voltage at pin 23 of
IC4001 about 5V ?
Check P.CON +5V Line.
Yes
No
Check the peripheral circuit of Q4009.
Yes
Check IC1004, CYLINDER UNIT and
IC4001.
Replace IC4001.
No
Does FM signal appear at
pin 14.
Does VIDEO signal appear
at pin 26 of IC4001 ?