DAEWOO ELECTRONICS DLM-26C2 Service Manual page 33

Main PCBs Trouble Diagnosis
C. When "No signal" in Y/Pb/Pr signal(Component)
1) First check if other inputs are working
-> if other inputs are not working, replace MAIN PCB
2) Checking waveforms with Color Bar Pattern(Using the oscilloscope)
- Main TP(COMP1_Y) : CC445, LC224, LC221
- Main TP(COMP1_Pb) : CC446, LC222, LC225
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