Sign In
Upload
Manuals
Brands
ICOM Manuals
Transceiver
IC-M4E
ICOM IC-M4E Manuals
Manuals and User Guides for ICOM IC-M4E. We have
3
ICOM IC-M4E manuals available for free PDF download: Service Manual, Instruction Manual
Icom IC-M4E Service Manual (64 pages)
430/440 MHz
Brand:
Icom
| Category:
Transceiver
| Size: 3 MB
Table of Contents
Assistance
2
Ordering Replacement Parts
2
Table of Contents
3
Specifications
4
Outside and Inside Views
5
Top View
5
Frequency Display
5
Front and Side Views
6
Rear and Bottom Views
6
Front Side Views
7
Bottom Inside Views
7
Front Inside View
8
Illustrated Appearance
8
Unit Location
9
Rear Inside Views
10
RF Unit
10
Block Diagram
12
Circuit Description
13
Receiver Circuits
13
Antenna Switching Circuit
13
RF Circuit
13
Transmitter Circuits
14
S-Meter Circuit
14
PLL Circuits
14
Buffer Amplifier Circuit
14
Dual Modulus Prescaler
15
Reference Oscillator Circuit
15
Loop Filter
15
VCO Circuit
15
Logic Circuits
16
CPU Port Allocations
16
Initial Matrix
16
Key Matrix
16
Meter Comparator
17
Power Saver Circuit
17
Hardware Configuration of Key Matrix
17
Lamp Circuit
18
Power Supply Circuits
18
Reduced Voltage Detecting Circuit
18
Other Circuits
18
Mechanical Parts and Disassembly
19
Front Panel Disassembly
19
Speaker Disassembly
20
Rear Case Disassembly
20
Top Panel Disassembly
21
Tone Unit/Tone Call Unit Disassembly
21
Maintenance and Adjustment
22
Preparation before Servicing
22
PLL Adjustment
23
Unit Locations
24
Receiver Adjustment
25
Transmitter Adjustment
27
Subaudible Tone, DTMF and Tone Call Adjustment
29
Board Layouts
31
Interconnections
31
Main Unit
33
RF Unit, RF Coil Unit, if Unit
37
VCO Unit
40
Tone and Tone Call Units
42
Voltage Diagrams
46
Parts List
53
Schematic Diagram
59
Advertisement
Icom IC-M4E Service Manual (63 pages)
Brand:
Icom
| Category:
Transceiver
| Size: 20 MB
ICOM IC-M4E Instruction Manual (32 pages)
430/440MHz FM Transceiver
Brand:
ICOM
| Category:
Transceiver
| Size: 2 MB
Advertisement
Advertisement
Related Products
ICOM IC-M402SA
ICOM IC-M45A
ICOM IC-M400BB
ICOM IC-M45EURO
ICOM IC-M4AT
Icom IC-M423
Icom ic-m424g
Icom ic-m423g
Icom IC-M400BBGE
Icom IC-M400BBE
ICOM Categories
Transceiver
Receiver
Repeater
Radio
Two-Way Radio
More ICOM Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL