DAEWOO ELECTRONICS DLM-26C2 Service Manual page 31

Main PCBs Trouble Diagnosis
A. When "No signal" in CVBS(RF, AV)
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(RF) : CC455, C102
- Main TP(AV) : LC205, CC444
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