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ViewSonic E771-4 Service Manual page 24

17" digital controlled color monitor

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ViewSonic Corporation

E771-4

6-2 OSD Abnormal

OSD Abnormal

Check 1502

missing?

Y

Put on

вата

1502

Check R530,

R532, R531

OK?

Yes

Check JP806, L504,

L505 OK?

No

Replace it

Yes

Replace [502

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