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NEC Multisync Plus JC-1501VMA Service Manual page 53

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VERTICAL
Check Vertical
centering circuit
TR491, TR492, R495, R496
0490, 0491, 0492
U connector
Failure
J.
Side pincushion distortion correction Failure
Readjust VR470
(AdjUst by VR470 on the OEF PWB)
PWE-173A
NG
All V frequency?
Yes
TR470"-TR475, Z0470
R484, R485.0470, 0471
No
Failure
1C470 Failure
K. Poor focus
Readjust Focus
NG
T504 (FBT) Failure
-52-

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