DAEWOO ELECTRONICS DLM-26C2 Service Manual page 32

Main PCBs Trouble Diagnosis
B. When "No signal" in Y/C signal(S-Video)
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(Y signal) : CC451
- Main TP(C signal) : LC202, CC456
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