3. VIDEO NOISE, UNSYNCHRONOUS
CHECK C114, R116
D109, R115, R117
CHECK C132, R139,
D115, R138, R140
CHECK
Q101 G-S FREQUENCY
SYNCRONIZE
NG
WITH H-SYNC
OK
CHECK
Q102 G-S FREQUENCY
SYNCRONIZE
NO
WITH H-SYNC
NORMAL OPERATION
NG
FBT TRIGGER LEAD
NO
FREQUENCY C132 TO GND
7- 4
CHECK
HORIZONTAL
FREQUENCY
C114 TO GND
NG
FAILURE
CHECK HORIZONTAL