PRO-2027-(Service-Manual维修手册含电器原理图)

RE4LS五c9Serviceanual20-402PR0-2027Programmable ScannerCatalog Number:20-402CONTENTSPageSpecifications,..…2Block Diagram3Prinolples of Operation..........................4General Operation Outl[ne.......................6Alignment/Adjustment........................8Reception Check14Memory Check............................15Troubleshooting,:,…·16Printed Circuit Boards.....................18Wiring Diagram ...................23Electrical Parts List ...25Mechanlcal Parts List..................44Exploded View......................45Semiconductor Lead Identification and IC Block Dlagram......46Microprocessor (IC6)Port Format...............53Power Transformer Speclfications....,···,54Schematic Diagram .................551992 Tandy Corporutlon.All Rights Reserved.Radio Shaok and Realistic are registered trademarks uaed by Tandy Corporatlon.