Icom IC-PCR100 Service Manual

Also see for COMMUNICATION RECEIVER IC PCR100: Instruction manual

Contents

TABLE OF CONTENTSSECTION 1 SPECIFICATIONSSECTION 2 INSIDE VIEWSSECTION 3 DISASSEMBLY INSTRUCTIONSSECTION 4 CIRCUIT DESCRIPTION4 - 1 RECEIVER CIRCUITS............................................................................................................................. 4 - 14 - 2 PLL CIRCUITS........................................................................................................................................ 4 - 44 - 3 POWER SUPPLY CIRCUITS.................................................................................................................. 4 - 54 - 4 CPU PORT ALLOCATIONS .................................................................................................................... 4 - 6SECTION 5 ADJUSTMENT PROCEDURES5 - 1 PREPARATION BEFOR SERVICING ..................................................................................................... 5 - 15 - 2 PLL ADJUSTMENTS .............................................................................................................................. 5 - 35 - 3 IF PEAK AND TOTAL GAIN ADJUSTMENTS ....................................................................................... 5 - 55 - 4 SOFTWARE ADJUSTMENTS ................................................................................................................ 5 - 7SECTION 6 PARTS LISTSECTION 7 MECHANICAL PARTS AND DISASSEMBLYSECTION 8 SEMI-CONDUCTOR INFORMATIONSECTION 9 BOARD LAYOUTS9 - 1 MAIN UNIT.............................................................................................................................................. 9 - 1SECTION 10 BLOCK DIAGRAMSECTION 11 VOLTAGE DIAGRAM11 - 1 MAIN UNIT ............................................................................................................................................ 11 - 1