CELLPCBASSEMBLYDrawingNo.DC400879Sheet1ODatronInstruments19907-POLEFILTER.R208RZlCTProl75k72PkTP2020.I*/oIyo_TvFILTkR-17TOSHT.1FROMSHT-4+5VWC?ol5A+5V(AFROMSETAP4-1R202IkOI%PUZ023HCPL26316~+l0V(A)NOTFITTED.MOSTSIGNIFICANTSWITCH.FROMsnr.4CELLPCBASSEMBLYmtrmDrawingNo.DC400879Sheet2ODatronInstruments1990LEASTSIGNIFICANTSWITCH.FROMstir.++lrvC~)030lavo03028-45LIrIR30710kI%ASIOV(8)FROMSHT.lREFERENCEBUFFERtrevte)R312Jk7I::t6W8),b-D3WC3126V2CCELLPCBASSEMBLYDrawingNo.DC400879Sheet3ODatronInstruments1990CELLPCBASSEMBLY---DrawingNo.DC400879Sheet4C407+C-8SOLDEREDTODIGBOXWALL.ODatronInstruments1990fP7tSV(5)716I616ru8U9UIO74~~==74HC1==74HCTCIZ367Ct3snC14367DIGITALASSEMBLYmmrrnB-4DrawingNo.DC400923Sheet1ODatronInstruments1990Datron4910/11/12ReferenceAssy