Video Noise, Out Of Sync - NEC MultiSync V520 Service Manual
N0501 series
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Also See for MultiSync V520:
- Specification (1 page) ,
- User's manual and safety manual (33 pages)
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3. VIDEO NOISE, UNSYNCHRONOUS
CHECK C114, R116
D109, R115, R117
CHECK C132, R139,
D115, R138, R140
CHECK
Q101 G-S FREQUENCY
YES
SYNCRONIZE
NO
WITH H-SYNC
YES
CHECK
Q101 G-S FREQUENCY
SYNCRONIZE
NO
WITH H-SYNC
NORMAL OPERATION
34
CHECK HORIZONTAL
NO
FREQUENCY C114 TO GND
CHECK HORIZONTAL
NO
FREQUENCY C132 TO GND
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