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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 - 3
3 - 3
PLL CIRCUITS......................................................................................................................................... 3 - 6
3 - 4
PORT ALLOCATIONS ............................................................................................................................. 3 - 6
SECTION 4
ADJUSTMENT PROCEDURES
4 - 1
PREPARATION BEFORE SERVICING .................................................................................................. 4 - 1
4 - 2
INTERFACE ADJUSTMENTS ................................................................................................................. 4 - 2
4 - 3
PLL ADJUSTMENT.................................................................................................................................. 4 - 3
4 - 4
TRANSMITTER ADJUSTMENT............................................................................................................... 4 - 4
4 - 5
RECEIVER ADJUSTMENT...................................................................................................................... 4 - 8
SECTION 5
PARTS LIST
SECTION 6
MECHANICAL PARTS AND DISASSEMBLY
SECTION 7
SEMI-CONDUCTOR INFORMATION
SECTION 8
BOARD LAYOUTS
8 - 1
RC-21
8 - 1 - 1
LOGIC BOARD ....................................................................................................................... 8 - 1
8 - 1 - 2
SENSOR 1/2 BOARDS .......................................................................................................... 8 - 3
8 - 1 - 3
MIC BOARD............................................................................................................................ 8 - 3
8 - 1 - 4
VR1 BOARD ........................................................................................................................... 8 - 3
8 - 1 - 5
VR2 BOARD ........................................................................................................................... 8 - 3
8 - 1 - 6
CTRL1 BOARD....................................................................................................................... 8 - 4
8 - 2
IC-M710RT
8 - 2 - 1
CTRL2 BOARD....................................................................................................................... 8 - 5
8 - 2 - 2
TERMINAL UNIT .................................................................................................................... 8 - 5
8 - 2 - 3
FILTER BOARD ...................................................................................................................... 8 - 6
8 - 2 - 4
MAIN BOARD ......................................................................................................................... 8 - 7
8 - 2 - 5
ALARM BOARD...................................................................................................................... 8 - 7
8 - 2 - 6
PLL UNIT ................................................................................................................................ 8 - 8
8 - 2 - 7
PA150W BOARD .................................................................................................................... 8 - 9
SECTION 9
BLOCK DIAGRAM
SECTION 10
VOLTAGE DIAGRAM
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