Samsung HT-DL70D Service Manual

Also see for HT-DL70D: Instruction manual Instruction manual Instruction manual Instruction manual

Contents

1-1Samsung Electronics1. Alignment and Adjustments1-1 TunerFM THD AdjustmentOutputOutput 28 dB( dB)60 dBMinumum Distortion (0.4% below)(Figure 1-1)SSG FREQ.Adjustmentpoint(FD)98 MHzFM DETECTOR COILFM Search Level AdjustmentAdjust SVR1 so that “TUNED” of FLTis lighted (Figure 1-2)Figure1-2 FM Auto Search Level Adjustment*Adjust FM S.S.G level to 28dBFigure1-1 IF CENTER and THD AdjustmentSSG FREQ.Adjustmentpoint(SVR3)98 MHzBEACONSENSITIVITYSEMI-VR(20K ) FM S.S.G GND28 dBFM S.S.GOutputGNDSpeakerTerminalFMAntennaTerminalDistortion MeterInputSETInputoutputOscilloscopeFM INFM AntennaSET20 kOUTPUTAM SSG450KHZINPUTAM ANTINSpeaker Terminal60cmAM IFVTVM OscilloscopeAM(MW) I.F AdjustmentMaximum output (Figure 1-3)SSG FREQ.FrequencyAdjustmentpoint450 kHz522 kHzAAFigure1-3 AM I.F AdjustmentOUTPUT* Adjustment Location of Tuner PCBAM(MW) OSCAdjustmentOutput 1~7.0 VReceived FREQ.Adjustmentpoint522~1611 KHzMOAM(MW) RFAdjustmentITEAM594 KHzMAMaximumOutput(Fig1-4)TESTERMAINPCBVT GNDAM(MW) RFAdjustment150 KHzLAMaximumOutput(Fig1-4)