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No Video - NEC MultiSync V920 Service Manual

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4. NO VIDEO

NO VIDEO
YES
CHECK
SCREEN CONTROL
CLOCKWISE
YES
CHECK
U201 PIN 2, 6, 11
SIGNAL LEVEL
YES
CHECK
U201 PIN 29, 32, 35
SIGNAL LEVEL
YES
CHECK
U203 PIN 1, 3, 5
SIGNAL LEVEL
YES
CHECK
CATHODE VIDEO
LEVEL
YES
TROUBLE IN CRT
NO
NO
TROUBLE IN U201
NO
U201 12V VOLTAGE
TROUBLE IN U203
NO
8V, 12V, 80V VOLTAGE
TROUBLE IN U203
NO
21
REFER
NO RASTER
TROUBLE IN
R/G/B SIGNAL,
SIGNAL CABLE
CLAMP(PIN 19)
R220, R240, R260

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Multisync 95Accusync 90Accusync 90 mMultisync v921-1