Icom IC-2800, Service Manual

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TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 DISASSEMBLY INSTRUCTIONS
SECTION 4 CIRCUIT DESCRIPTION
4 - 1 RECEIVER CIRCUITS ................................................................................................... 4 – 1
4 - 2 TRANSMITTER CIRCUITS ........................................................................................... 4 – 3
4 - 3 PLL CIRCUIT .................................................................................................................. 4 – 4
4 - 4 POWER SUPPLY CIRCUITS ........................................................................................ 4 – 5
4 - 5 CPU PORT ALLOCATIONS ........................................................................................... 4 – 5
SECTION 5 ADJUSTMENT PROCEDURES
5 - 1 PREPARATION ............................................................................................................... 5 – 1
5 - 2 PLL AND TRANSMITTER ADJUSTMENTS ................................................................... 5 – 2
5 - 3 RECEIVER ADJUSTMENT ............................................................................................ 5 – 4
SECTION 6 PARTS LIST
SECTION 7 MECHANICAL PARTS AND DISASSEMBLY
SECTION 8 SEMI-CONDUCTOR INFORMATION
SECTION 9 BOARD LAYOUTS
9 - 1 CONTROL UNIT ............................................................................................................. 9 – 1
9 - 2 MAIN UNIT...................................................................................................................... 9 – 3
SECTION 10 BLOCK DIAGRAM
SECTION 11 VOLTAGE DIAGRAM
11 - 1 CONTROL UNIT.............................................................................................................11 – 1
11 - 2 MAIN UNIT .....................................................................................................................11 – 2