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IC-756PRO
Icom IC-756PRO Service Manual
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A18
A17
A16
A15
A14
A9
A8
A13
A12
A4
A3
A7
A6
A5
J1
to MAIN unit J3503
15
16
30
1
Vcc
A2
A1
BYTE
Vcc
A0
GND
RESET
GND
A11
A10s
GND
GND
A10f
GND
GND
D8
D9
D10
D11
D12
D7
D6
D13
D14
D2
D1
D5
D4
D3
J2
to MAIN unit J3504
15
16
30
1
CS3
D0
GND
RD
CS0
GND
HWR
RD
GND
D15
GND
GND
GND
GND
GND
GND
8
21
7
1
22
28
1
24
25
48
8-8 MEMOR
Y
BOARD
8 - 13
77
79
Table of Contents
Default Chapter
3
Table of Contents
3
Specifications
4
Inside Views
5
Circuit Description
7
Receiver Circuits
7
Transmitter Circuits
10
Pll Circuits
12
Antenna Tuner Circuits
14
Scope Circuit
15
Power Supply Circuits
15
Logic Circuits
16
Adjustment Procedures
17
Preparation before Servicing
17
Pll Adjustments
18
Receiver Adjustments
20
Transmitter Adjustments
24
Tuner Adjustment
26
Parts List
28
Front Unit
28
Display Board
29
Mode Board
31
Phone Board
31
Key Board
31
MIC Board
31
Pbt Board
31
Rit Board
32
Main Unit
38
Dsp Board
45
Memory Board
48
Tuner Unit
55
Ctrl Unit
56
Mechanical Parts
60
Tuner Unit
63
Semi-Conductor Information
64
Board Layouts
66
Pbt, Rit and MIC Board
66
Display Board
67
Mode, Phone, Key and Ten-Key Boards
69
Pll Unit
73
Main Unit
75
Dsp Board
77
Memory Board
78
Pa Unit
79
Filter Unit
80
Tuner Board
81
Ctrl Unit
82
Block Diagram
83
Voltage Diagram
84
Front Unit
84
Dsp Board
85
Tuner, Memory Boards and Ctrl Unit
86
Main Unit (2)
87
Main Unit (2)
88
Pa and Filter Units
90
Rf Unit
91
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Instruction Manual
84 pages
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Icom IC-756PRO Specifications
General
Brand
Icom
Model
IC-756PRO
Category
Transceiver
Language
English
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