Table of Contents
Advertisement
No video in NTSC Mode
Signal Y is available at
TP9003.
NO
There is a VIDEO signal
at TP9007.
NO
YES
There is a VIDEO
signal at Pin 1 of
the POYC connector.
NO
Failure in the V-I/O board.
YES
Failure in Q9001 ~ Q9003.
YES
There is an FSC signal
(3.5MHz sine wave) at TP9008.
Failure in
There is an 8FSC signal
Q9009/9011/
(28.63MHz sine wave) at TP9013.
Q9012/ Q901.
There is a horizontal sync signal
at TP9011.
There is a vertical sync signal
at TP9012.
Failure in the peripheral area
of IC9086.
TROUBLE SHOOTING
NO
YES
NO
YES
NO
YES
NO
YES
6
Failure in Q9010/
Q9015/Q9016/Q9023.
There is a vertical
sync signal at Pin 1 of
IC9004, and also a
composite sync signal
at Oin 2.
YES
Failure in IC9004.
NO
Failure in Q9013/
Q9017/ Q9018 or in
the pre-stage.
4-9
Advertisement
Table of Contents
