Daewoo DV-F562 Series Service Manual

Daewoo DV-F562 Series Service Manual Manual pdf 8 page image

2-3. AUDIO CIRCUIT ADJUSTMENT METHOD1. AUDIO RECORD BIAS• Connection Method• Adjustment Procedure1) Set the TV/LINE to LINE mode.2) Set the input to open mode (Without Audio input)3) Connect the Audio level meter to both TP1 and TP24) After inserting a blank tape, record in SP mode.5) Adjust R292 to obtain 3.0 mVrms.12TOP VIEWR2923.0mVrms+–A/CHEADTP2(–)TP1(+)Audio LEVEL METERAdjustment Parts Checking Point Measuring Equipment Test Tape Input SignalR292 A/C Head PCB Audio level meter Blank Tape No signalTP1(+), TP2(-)116. NTSC COLOR PHASE ADJUSTMENT METHOD• Connection Method• Adjustment Procedure1) Playback the test tape, DN-1 NTSC COLOR BAR.2) Connect the vector scope to video output.3) Adjust CN15 to obtain same color burst phase and level both video out signal and burst marker in vector scope.4) Confirm same color burst phase and level both video output signal and burst marker in vector scope.ICN01CN15 NTSC COLORPHASEPN01VectorScopeTo SCART JACKVIDEO OUTAdjustment Parts Checking Point Measuring Equipment Test Tape Input SignalCN15 Video Out PAL Vector Scope DN-1 –NTSC ColorbBmgCXG20%10%y1YLgCYG12010080604020020430°10°10°