thecauseThis4MHzsourcereferenceapparentRference.FigureAtA12TP9itsignalsource7-Signal12.isproblemsused4shouldMHztocontrolReferencebecauseappearthesimilartheSignalreceiverCPUtousesatFigure.IfA12TP9faulty,ceiver7-12.this(Preset)datasignaltocontrolcan
7-20SourceTroubleshooting
