TRC-44740-CHANNEL MOBILE CBWITH WX ALERTCatalog Number: 21-1576CONTENTSPageSpecifications ................................................................................................................................................. 2Block Diagram ................................................................................................................................................ 5Alignment and Adjustment ............................................................................................................................. 6Troubleshooting ........................................................................................................................................... 10Wiring Diagram ............................................................................................................................................ 16Printed Circuit Boards .................................................................................................................................. 17Exploded View and Disassembly Instructions .............................................................................................. 20Mechanical Parts List ................................................................................................................................... 23Electrical Parts List ...................................................................................................................................... 24Semiconductor Lead Identification ............................................................................................................... 43IC Internal Diagrams .................................................................................................................................... 44IC and Transistor Voltage Chart ................................................................................................................... 46Schematic Diagrams .................................................................................................................................... 50 2004 RadioShack Corporation.All Rights Reserved.RadioShack is a registered trademark of RadioShack Corporation.21-1576