Service manual

43
XV-Z2000
DT-400
Input the S terminal (Y, C) signal to
INPUT 3. Select INPUT 3 with the
keys on the main body or the
remote controller.
Does the picture appear? Is the picture disturbed? End.
Is the video signal inputted to the
pins (43) and (44) of IC3105?
YES NO
NO
NO YES
NO
YES
Check the input side and its
peripheral circuits.
Check the Y,C signal line.
Checking the S terminal input.
Check IC3105 and its
peripheral circuits.
1
YES
3
Is the video signal outputted
from pins (21), (22) and (23)
of IC3105 inputted into pins
(67), (68) and (69) of IC3102?