Table of Contents
Advertisement
All manuals and user guides at all-guides.com
Check if heater element is lighting.
Check the heater voltage.
Check/Replace
FR442,R910.
Check/Replace
Retrace line is
CPT.
Check the waveform
at pin 3 of ic901,902,903
NO
Check the waveform
at pin 62,63,64 of IC501S.
(RGB out)
YES
NO
Check the waveform
Check/Replace
at pin 20,21,22 of IC501S.
Q503,504,505.
YES
Check/Replace
IC501S.
YES
Check/Replace
IC401S,FL201S,202S,203S.
Increase the screen
voltage of FBT.
Screen is black.
visible.
Check FBT & CPT socket
& CPT.
YES
Check the waveform
at pin 7 of IC901,902,903.
NO
Check/Replace
IC901,902,903.
NO
Check the waveform
at pin 2,76,79 of IC101S.
NO
Check the waveform at
PIN52 of IC101S.(CVBS1)
YES
Check the waveform at
Check/Replace
Pin2 of P213A.(Vmain)
IC101S.
YES
Check/Replace
IC201S.
- 15 -
YES
Check/Replace
IC101.
NO
NO
Check the waveform at
TU101,Q108.
Advertisement
Table of Contents
