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TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 CIRCUIT DESCRIPTION
SECTION 4 ADJUSTMENT PROCEDURES
SECTION 5 PARTS LIST
SECTION 6 MECHANICAL PARTS AND DISASSEMBLY
6 - 1 RC-25....................................................................................................................................................... 6 - 1
6 - 2 SP-24 ....................................................................................................................................................... 6 - 1
6 - 3 HM-135 .................................................................................................................................................... 6 - 1
6 - 4 IC-M802 ................................................................................................................................................... 6 - 1
SECTION 7 SEMI-CONDUCTOR INFORMATION
SECTION 8 BOARD LAYOUTS
8 - 1 HM-135
8 - 1 - 1 SW BOARD ............................................................................................................................ 8 - 1
8 - 1 - 2 MAIN BOARD ......................................................................................................................... 8 - 1
8 - 2 RC-25
8 - 2 - 1 JACK BOARD ......................................................................................................................... 8 - 1
8 - 2 - 2 CONNECT BOARD ................................................................................................................ 8 - 1
8 - 2 - 3 SENSOR BOARD................................................................................................................... 8 - 1
8 - 2 - 4 VR BOARD ............................................................................................................................. 8 - 2
8 - 2 - 5 DISPLAY BOARD ................................................................................................................... 8 - 3
8 - 3 IC-M802
8 - 3 - 1 DSP BOARD............................................................................................................................8 - 5
8 - 3 - 2 MAIN UNIT.............................................................................................................................. 8 - 7
8 - 3 - 3 FILTER BOARD ...................................................................................................................... 8 - 9
8 - 3 - 4 PLL UNIT .............................................................................................................................. 8 - 11
8 - 3 - 5 PA UNIT ................................................................................................................................ 8 - 12
8 - 3 - 6 DRIVER BOARD................................................................................................................... 8 - 13
8 - 3 - 7 VARISTOR-1 BOARD........................................................................................................... 8 - 13
8 - 3 - 8 VARISTOR-2 BOARD........................................................................................................... 8 - 14
SECTION 9 BLOCK DIAGRAM
SECTION 10 WIRING DIAGRAM
SECTION 11 VOLTAGE DIAGRAMS
11 - 1 RC-25 and HM-135.................................................................................................................................11 - 1
11 - 2 IC-M802
11 - 2 - 1 MAIN UNIT (1)...................................................................................................................... 11 - 2
11 - 2 - 2 MAIN UNIT (2)...................................................................................................................... 11 - 3
11 - 2 - 3 MAIN UNIT (3)...................................................................................................................... 11 - 4
11 - 2 - 4 PA UNIT ................................................................................................................................ 11 - 5
11 - 2 - 5 PLL UNIT (1)......................................................................................................................... 11 - 6
11 - 2 - 6 PLL UNIT (2)......................................................................................................................... 11 - 7
11 - 2 - 7 DSP BOARD......................................................................................................................... 11 - 8
11 - 2 - 8 FILTER BOARD .................................................................................................................... 11 - 9