JVC TV-13142 Service Manual page 50

TV-13142
TV-13142W
FF/REW DO NOT WORK
When the FF (or REW) is
pressed, does the voltage at
pin 11 of IC1001 change to
high (low in REW) ?
Yes
Is the voltage changing
at pin 7 of CP1004 ?
Yes
Is the voltage changing
at pin 4 of CP1004 ?
Yes
Check DECK MECHANISM.
50
TROUBLESHOOTING GUIDE
When the FF (or REW) is
No
pressed, does the FF (or REW)
OSD appear on screen ?
Yes
No
No
No
Check pin 72 of IC1001 lines.
Change IC1001.
Check lines between pin 11 of
IC1001 and pin 7 of CP1004.
Check pin 76 of IC1001 lines.
Change IC1001.