Check if heater element is lighting.
Check the heater voltage.
Increase the screen
Check/Replace
FR442,R910.
Check/Replace
CPT.
Check/Replace
Q503,504,505.
Check the waveform
at pin 20,21,22 of IC501S.
Check/Replace
IC901,902,903.
Check/Replace
IC101.
Retrace line is
Screen is black.
visible.
Check the waveform
at pin 3 of ic901,902,903
Check the waveform
at pin 62,63,64 of IC501S.
(RGB out)
Check the waveform
at pin 7 of IC901,902,903.
Check FBT & CPT socket
& CPT.
voltage of FBT.
Check/Replace
IC501S.
Check the waveform
at pin 2,76,79 of IC101S.
Check/Replace
IC401S,FL201S,202S,203S.
Check the waveform at
PIN52 of IC101S.(CVBS1)
NO
YES
YES
YES
NO
NO
NO
NO
YES
YES
Check/Replace
IC101S.
Check the waveform at
Pin2 of P213A.(Vmain)
NOYES
Check/Replace
IC201S.
Check the waveform at
TU101,Q108.
NOYES
