Realistic_TRC-481_Service_Manual维修手册含电器原理图

7REAL1S7C®Service Manual21-1550TRC-48140-CHANNELCLASS D C.B.MOBILETRANSCEIVERCatalog Number:21-1550CONTENTSPageSpecifications2Block Diagrams-4Circuit Description---6Frequencies Generated and Mixed to Obtain Each ChannelAlignment--PCB Top and Bottom Views /Wiring Diagram---15Troubleshooting---18Electrical Parts List----------------20Exploded View/Disassembly Instructions30Exploded View Parts List----31Hand Mic Unit Exploded View Parts List32Hand Mic Unit Exploded View---3IC and Transistor Lead Identification and IC Internal Diagram34Voltage Chart---36Schematic Diagram--4C1991 Tandy Corporation.All Rights Reserved.Realistic and Navaho are the registered trademarks used by Tandy Corporation.KB2LJJThis file is for information only