Sharp CD-MPX870W Service Manual

Also see for CD-MPX870W: Operation manual

Contents

CD-MPX870W5 – 1CHAPTER 5. CIRCUIT DESCRIPTION[1] Waveforms of CD CircuitTFDOPD01PD00StoppedCH1=500 mVDC 10:1CH3=1 VDC 10:1CH4=1 VDC 10:1500 ms/div(500 ms/div)NORM:20 kS/s143=Record Length=Smoothing : ON CH1 : 0.000 VCH2 : 0.0 VMain : 100 KZoom : 2 KMode : AUTOType : EDGE CH2Delay : 0.0 nsHold off : 0.2 μsCH3 : 0.00 VCH4 : 0.00 VBW : FULL=Trigger==Filter= =Offset=CH1v/DIV500 mV1999/04/05 17:33:171 IC1 226 IC1 287 IC1 27TTFDOSPDOStoppedCH1=200 mVDC 10:1CH2=500 mVDC 10:1500 ms/div1999/04/07 09:51:15(500 ms/div)NORM:20 kS/s21=Record Length=Smoothing : ON CH1 : 0.000 VCH2 : 0.000 VMain : 100 KZoom : 2 KMode : NORMALType : EDGE CH2Delay : 2.924 msHold off : 0.2 μsCH3 : 0.00 VCH4 : 0.00 VBW : FULL=Trigger==Filter= =Offset=1 IC1 225 IC1 25Vp-p=1.0 V~1.3 V0.5 mV/div,0.5 μsec/div4 IC1 2TFDOTEStoppedCH1=500 mVDC 10:1CH2=10 VDC 10:1CH3=1 VDC 10:1500 ms/div(500 ms/div)NORM:20 kS/s123=Record Length=Smoothing : ON CH1 : 0.000 VCH2 : 0.0 VMain : 100 KZoom : 2 KMode : AUTOType : EDGE CH1Delay : 0.0 nsHold off : 0.2 μsCH3 : 0.00 VCH4 : 0.00 VBW : FULL=Trigger==Filter= =Offset=-3 div -1 div 0 div +1 div +3 divCH Position ToCH2Position0.20 div1 IC1 223 IC1 16TFDOTDOStoppedCH1=500 mVDC 10:1CH3=500 mVDC 10:1500 ms/div(500 ms/div)NORM:20 kS/s13=Record Length=Smoothing : ON CH1 : 0.000 VCH2 : 0.0 VMain : 100 KZoom : 2 KMode : AUTOType : EDGE CH1Delay : 0.0 nsHold off : 0.2 μsCH3 : 0.000 VCH4 : 0.00 VBW : FULL=Trigger==Filter= =Offset=CH1v/DIV500 mV1 IC1 222 IC1 23