- 20 -
Degaussing
Purity is O.K
Done
Degaussing circuit
is right?
Refer to 5-2-2
Replace CRT and
verify purity
YES
YES
NO
NO
Check degauss
Connector(CN102)
Check output voltage at pin 12 of IC502
(Normal : 0V, Degaussing: 5V)
Does DC voltage right?
Check and replace
Q101,D101,RL101,R101
Replace IC502
YES
YES
NO
5-2-3 Degaussing failure
5-2-3 Purity failure