Contents
UHF FM Transceiver LPD FM Transceiver
Ordering Parts
Introduction
Repair Notes
Table of Contents
ITA, ITA-1 CSA, CSA-1
Section Specifications
Ctcss Frequency List
Channel Frequency List
Main Unit
Inside Views
RF Unit
Removing the RF Unit
Disasembly Instructions
Removing the Rear Panel
Removing the Main Unit
RF Circuit RF Unit
Antenna Switching Circuit RF Unit
Circuit Description
Receiver Circuits
PLL Circuits RF Unit
Transmitter Circuits
Port Allocations
Power Supply Circuits Voltage Line
CPU Main unit IC1
Required Test Equipment
Section Adjustment Procedures
Entering the Adjustment Mode
Preparation
Deviation
Adjustment
Test
C63
R206
R50
Order Description
Section Parts List
RF Board
Coil Eljre 18NG-F
C211 4030006860
Accessories
Mechanical Parts and Disassembly
Cabinet Parts Chassis Parts
Unit abbreviation C Chassis PARTS, RF RF UNIT, M Main Unit
Transistor and FET’S
SEMI-CONDUCTOR Information
Diodes
Main Unit
Board Layouts
TOP View IC-4008A
Bottom View IC-4008A
R58
C55 C17 R23 C18 C52
PSC Batt MOD VOL GND
TOP View
RF Unit
Bottom View
FI3
IC1
Block Diagram
DTA144EU
Voltage Diagram
RF Unit
16, Kamihigashi, Hirano-ku, Osaka 547-0002, Japan
16, Kamihigashi, Hirano-ku, Osaka, 547-0002, Japan