Pincushion Poor - NEC MultiSync V520 Service Manual

N0501 series
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7. PINCUSHION POOR

PINCUSHION
POOR
PARABOLA
WAVE
NO
CHECK
U402 PIN 9
PARABOLA
NO
CHECK
U401 PIN 4
SYNC INPUT
NO
CHECK U701 (PIN 32)
OUTPUT
CHECK Q314~Q316,
YES
CHECK C431, R432
YES
CHECK 12V & U402
YES
38
D308

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Multisync v521Multisync mv521Diamond scan 51

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