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M-900 X X X Series
M-1200 X X X Series
No horizontal sync
Check Signal timing at connector Pin 6
Normal
Check Collector voltage level of O 18
Normal
Check
Check DC voltage of IC42 Pin 14
---------------<
IC42
Check Pin 4 signal level of IC42
Check Pin #3 signal level and voltage
of IC41
Normal
Check Pin #4, 419, DC voltage level of
IC41
Confirm, should be varied when turn
the H.Hold VR
Abnormal
Abnormal
Abnormal
Abnormal
Zero or
low
No
Normal
-35-
Trouble in logic side
Trouble in 018
Trouble in DC 12V
supply line or IC42
Trouble in IC42
Trouble in the peripreral
circuit of C401
Replace IC41
No
Check Peripreral Circuit of IC 41