JVC TV-13142 Service Manual page 38

TV-13142
TV-13142W
NO PLAYBACK PICTURE
Does E-E appear on the
Monitor TV ?
Yes
Is there FM signal at pin 14
of IC4001 ?
Yes
Is there VIDEO signal
at pin 26 of IC4001 ?
Yes
Is there VIDEO signal
at Emitter of Q4009 ?
Yes
Check CHROMA BLOCK
38
TROUBLESHOOTING GUIDE
No
Is the voltage at pins 21,
23 and 52 of IC4001 5V?
Yes
Check IC4001.
No
No
No
No
Check Power circuit.
Check PB Y/C at pin 14 of IC4001 and
the connection of the CYLINDER.
Replace IC4001.
Replace Q4009.