Pioneer PDP-42A3HD Service Manual

PDP-42A3HD781 2 3 41 2 3 4CDFABECheck the condition of connectin of the input Component Audio R/L.Check the condition of soldering state in Component Audio R/L &input partCheck the short point in signal line.Check for short circuits between each power terminal and the ground.9. No Audio in Component Input (Sine wave input)Preliminary Checkpoints#50,51(1),47,48(2)at U751in DTT & Analog B/DNo Sound inComponent Audio R/L#11,15At U200In Audio Amp Board#28,31,27,24At U200Change SpeakerWaveform 20Waveform 19Waveform 21Check Component Audioinput partCheck U751 andY800 and related circuitCheck U20 andX2 and related circuitNGNGNG(1):Component1 Audio(2):Component2 AudioT09 T09