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IC-M710
Icom IC-M710 Service Manual
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from FIL
TER board J4301
to MAIN
unit J1
S1
EP14
EP14
C13, C55, C57
S2
C67
EP12
P4301
PA
O
P
A unit MP4645
HVE
P1
PA
I
MP4003
MP4003
EP4013
C66
EP10
C65
EP11
W11
MP1
MP4
C80
MP2
MP5
C81
1
8
4
5
from TERMINAL board
HV
RED
from TERMINAL board
HVE
BLACK
Add "4000" to each indicated par
t number
on the unit for the actual n
umber
.
NO
TE:
10
to MAIN
unit J22
9
2
1
J4003
THS
13.6
GND
GND
HTP
T8
HL
13.6
GND
ICA
8-9 P
A150W BO
ARD
•
TOP VIEW
8 - 9
55
57
Table of Contents
Default Chapter
2
Ordering Parts
2
Repair Notes
2
Table of Contents
3
Specifications
4
Inside Views
5
Pa150W, Filter and Terminal Boards
5
Main, Pll and Logic Units
5
Circuit Description
6
Receiver Circuits
6
Rf Filter Circuit (Main Unit)
6
1St Mixer and if Circuits (Main Unit)
6
Demodulator Circuit (man Unit)
7
H3E Detector Circuit (Main Unit)
7
AGC Circuit (Main Unit)
7
S-Meter Circuit (Main Unit)
7
Transmitter Circuits
8
Microphone Amplifier Circuit (Logic Board)
8
Modulation Circuit (Main Unit)
8
1St Mixer Circuit (Main Unit)
8
Power Amplifier Circuit (PA150W Board)
9
ALC Circuit
9
IF Alc Circuit (Main Unit)
9
RF Alc Circuit (Filter Board)
9
Pll Circuit
10
Apc Circuit
10
Temperature Detection
10
Rf Meter Circuit
10
DC-DC Converter Circuit
11
Port Allocations
11
2Nd lo and Reference Oscillator Circuits
11
BFO Circuit
11
Adjustment Procedures
13
Preparation before Servicing
13
Required Test Equipment
13
Connections
13
PLL Adjustment
14
Power Voltage Adjustment
14
Main and PLL Units
15
REG Board ([EUR] Only)
15
Transmitter Adjustments
16
PA and Filter Boards
17
Main Unit
17
Transmitter Adjustment
18
Main and Logic Units
19
Receiver Adjustments
20
Receiver Adjustment
21
Main Unit
21
Parts List
22
Logic Board
23
Pll Unit
33
Pll-A Unit
40
Mechanical Parts and Disassembly
43
Semi-Conductor Information
47
Transistor and Fet’s
47
Diodes
47
Board Layouts
48
Logic Unit
48
Sensor1/2 Boards
48
MIC Board
48
Bottom View (Logic Unit)
49
Bottom View (Vr2 Board)
49
Bottom View (Vr1 Board)
49
Bottom View (MIC Board)
49
Bottom View (Main Unit)
51
Pll Unit
52
Bottom View (Pll Unit)
53
Pll-A Unit
54
Bottom View (Pll-A Unit)
55
Pa150W Board
56
Bottom View (Pa150W Board)
57
Filter Board
58
Terminal Board
59
Reg Board
60
Alarm Board
60
Bottom View (Alarm Board)
61
Bottom View (Reg Board)
61
Block Diagram
62
Voltage Diagrams
63
Front Unit
63
Main Unit
64
Pll Unit
67
Pll-A Unit
68
Pa150W, Terminal, Filter and Reg Boards
69
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Instruction Manual
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Icom IC-M710 Specifications
General
Brand
Icom
Model
IC-M710
Category
Transceiver
Language
English
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