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JVC TV-13142 Service Manual
Also see for TV 13142: User guideService manualService manualService manualUser guide
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40TV-13142TV-13142W TROUBLESHOOTING GUIDEPLAYBACK PICTURE IS NOISY(EVEN AFTER CLEANING HEADS)YesNoIs FM signal at TP4001more than 250mVp-p ?Check IC1004, CYLINDER UNIT andIC4001.NoYesReplace IC4001.Is VIDEO waveform at pin26 of IC4001 2V, and arethere any noises ?Check CHROMA BLOCK.NoYesNoCheck J701 and VIDEO inputcircuit.NO COLOR DURING SELFRECORDING AND PLAYBACKReplace IC4001.Check IC4001 and peripheral circuit.Does VIDEO signalappear at pins 28 and32 of IC4001?Does CHROMAsignal at TP4001during recording? |
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