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Blank pedestal is on
Pin 19, 20 and 21 of IC302
Is V_FLB and DC_bias on
G1 Pin at CRT socket?
G2 voltage is right?
22. Visible Retrace
Check white balance adjustment.
NO
NO
NO
Done.
Check G2 control volume and FBT.
Check IC302
and related components.
Check Q799
and related components.
YES
YES
YES
- 33 -
Degaussing circuit is right?
Purity is right?
23. Purity Failure
Degaussing
YES
NO
Replace CRT and verify purity.
Done.
Refer to 6 NO Degaussing.
NO
YES