Daewoo DLT - 42G1LTBD, Руководство по обслуживанию

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Trouble Shooting
D. When “No Signal” in PC
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(R signal): RC629 near IC601(Top)
-Main TP(G signal): RC627 near IC601 (Top)
-Main TP(B signal): RC628 near IC601 (Top)
-Main TP(H-Sync): RC630 near IC601 (Top),
-Main TP(V-Sync): RC640 near IC601 (Top)
=> If all TP signal does not appear, replace MAIN PCB.
Pb signal (RC234)
Pr Signal (RC235)