Icom IC-706MKIIG, Service Manual

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TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 CIRCUIT DESCRIPTION
3 - 1 RECEIVER CIRCUITS ................................................................................................................................ 3 - 1
3 - 2 TRANSMITTER CIRCUITS......................................................................................................................... 3 - 4
3 - 3 PLL CIRCUITS ............................................................................................................................................ 3 - 6
3 - 4 LOGIC CIRCUITS ....................................................................................................................................... 3 - 8
SECTION 4 ADJUSTMENT PROCEDURES
4 - 1 PREPARATION BEFORE SERVICING ...................................................................................................... 4 - 1
4 - 2 PLL ADJUSTMENTS................................................................................................................................... 4 - 2
4 - 3 TRANSMITTER ADJUSTMENTS ............................................................................................................... 4 - 2
4 - 4 RECEIVER ADJUSTMENTS....................................................................................................................... 4 - 8
4 - 5 SET MODE ADJUSTMENT....................................................................................................................... 4 - 10
SECTION 5 PARTS LIST
SECTION 6 MECHANICAL PARTS AND DISASSEMBLY
SECTION 7 SEMI-CONDUCTOR INFORMATION
SECTION 8 BOARD LAYOUTS
8 - 1 DISPLAY BOARD........................................................................................................................................ 8 - 1
8 - 2 MAIN BOARD.............................................................................................................................................. 8 - 3
8 - 3 HPF AND DRIVER BOARD ........................................................................................................................ 8 - 5
8 - 4 PA UNIT....................................................................................................................................................... 8 - 7
8 - 5 PLL UNIT..................................................................................................................................................... 8 - 9
8 - 6 FILTER BOARD......................................................................................................................................... 8 - 11
SECTION 9 BLOCK DIAGRAM
SECTION 10 VOLTAGE DIAGRAM