LG 710B Service Manual page 33
Color monitor
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Also See for 710B:
- Service manual (35 pages) ,
- User manual (18 pages) ,
- User manual (17 pages)
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Check white balance adjustment.
G2 voltage is right?
YES
Blank pedestal is on
Pin 19, 20 and 21 of IC302
YES
Is V_FLB and DC_bias on
G1 Pin at CRT socket?
YES
Done.
Degaussing
Purity is right?
NO
Degaussing circuit is right?
YES
Replace CRT and verify purity.
23. Visible Retrace
NO
NO
NO
24. Purity Failure
YES
NO
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Check G2 control volume and FBT.
Check IC302
and related components.
Check Q799
and related components.
Done.
Refer to 6 NO Degaussing.
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