Manuals
/
Icom
/
Communications
/
Two-Way Radio
Icom
IC-910H service manual Pre-setting for APC adjustment
Models:
IC-910H
1
39
78
78
Download
78 pages
1.74 Kb
36
37
38
39
40
41
42
43
<
>
Specification
Parts list
Adjustment Procedures
PLL Adjustments
TX Power
Service Manual
Page 39
Image 39
R67
APC adjustment
CP401
APC check point
CP15
APC check point
R37
APC adjustment
R61
APC adjustment
CP311
Pre-setting
for
APC adjustment
5 - 21
Page 38
Page 40
Page 39
Image 39
Page 38
Page 40
Contents
Service Manual
EUR
Introduction
Ordering Parts
Repair Notes
Table of Contents
General
Specifications
Receiver
FM if IC
Section
Inside Views
Main and PLL Units
PA Unit
TOP View
Bottom View
PLL IC
Disassembly and Option Instructions
Opening the transceiver’s case
UX-910 1200MHz Band Unit
Opening the PA unit cover
FL-132/FL-133 CW Narrow Filter
Main SUB
UT-106 DSP Unit
Installing 1st DSP unit front panel side
Installing 2nd DSP unit rear panel side
UT-102 Voice Synthesizer Unit
CR-293 High Stability Crystal Unit
Receiver Circuit
Circuit Description
Squelch Circuit Main Unit
6 10 MHz if Circuit Main Unit
Demodulator Circuit Main Unit
Squelch Control Circuit Main Unit
Meter Circuit Main Unit
Transmitter Circuits
Noise Blanker Circuit Main Unit
AGC Circuit Main Unit
RF Circuit PA Unit
Transmit if Amplifier Circuit Main Unit
Modulation Circuit Main Unit
CW Keying Circuit Main Unit
PLL Circuits
PLL Circuits
7 1LO PLL Circuit
8 2LO PLL Circuit
‘ Connections
Adjustment Procedures
Preparation Before Sarvicing
Required Test Equipment
Frequency Adjustment
PLL Adjustments
PLL and Main Units
Receiver Adjustments
L354 R360
R547
P501
L353
Main Band OFF
EXT
Noise
Blanker
CP852
L283
L22
CP851
Transmitter Adjustments
R131
R503
C659
R138
LO Leak
If Total
Main Gain
GND
R1613
R504
R202
CP1613
Software Adjustment
Meter
Software Adjustment
Noise SQL
Calibration
Filter
TX Power
Deviation
HPF OFF
LPF
UX-910 Adjustments
R13
CP321
CP322
C332
APC
Power SET
Pre-setting for APC adjustment
Section Parts List
Front Unit
Display Board
Resistor ERA3YED
Func Board
VR-A Board
VR-B Board
PLL Unit
RIT Board
Jack Board
MIC Board
Resistor ERA3YEB
Thermistor
Tantalum ECST1AD107R
REG BA09T
Main Unit
Diode DAN222TL
Resistor ERA3YKD
R364 7030003320
R915 7030003520
Tantalum Temsva 1C 335M-8L
Electrolytic ECEV1EA4R7SR
Electrolytic
Relay
Diode HSU88TRF
Coil Eljre 15NG-F
Resistor ERJ1WYJ181U
Resistor ERJ1TYJ102U
JB 1H
JB 1C
Mica
BARISTOR-C Board
DRV Board
BARISTOR-A Board
VARISTOR-B Board
Main Unit UX-910
2UX-910MAIN Unit
Resistor RGB3L R15
Resister ERA3YED
Tantalum ECST1CC226R
CH 1H
Connectot 25FMN-BTK
Chassis Parts
Mechanical Parts
Display Unit
Cover Parts
UX-910 Unpacking
Unpacking
UX-910 Chassis Parts
UX-910 Main Unit
Transistors and FET’S
SEMI-CONDUCTOR Information
DTA114 EE TL
MA29B
Diodes
Section Board Layouts
Page
Icom America Inc
13714HZ-C1