LG WT-32Q82IP Service Manual page 20

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Check if heater element is lighting.
Check the heater voltage.
Check/Replace
FR442,R910.
Check/Replace
CPT.
Check the waveform
at pin 12 of P501A.
Check the waveform
at pin 26,28,30 of IC702.
Check/Replace Check/Replace
IC501,IC701,IC702. CPT PCB ASSY.
'
Check the waveform
at pin 45 of IC702.
Check / Replace
Q2902,Q2907,Q2908,Q2909
IC702.
Q2910,FR2948,VM coil.
Increase the screen
voltage of FBT.
Screen is black.
Retrace line is
visible.
Check FBT & CPT socket
& CPT.
Check the waveform
at pin 24 of TU101.
Check/Replace
Q210,Q204,IC201.
Check / Replace
- 20 -
Check/Replace
TU101.