Alinco DJ-1400 - User Manual

DJ-180
DJ-1400
Service Manual
CONTENTS
SPECIFICATIONS PC BOARD VIEW
1) General 2 1) VCO Unit 24
2) Transmitter. 2 2) JACK Unit 24
3) Receiver 2 3) PTT Unit Side B 24
4) Functions for Each Version 3 4) PS Unit 25
CIRCUIT DESCRIPTION 5) ROM1 Unit Side B 25
1) Receiver System 4 6) ROM2 Unit Side B 25
2) PLL VCO Circuit. 5 7) RF Unit Side A 26
3) Transmitter System 5 8) RF Unit Side B 27
4) DTMF Encoder Circuit (option). 6 9) CPU Unit Side A. 28
5) Tone Squelch Circuit (option) 6 10) CPU Unit Side B 29
6) Microprocessor and Peripheral Circuit 6 11) RE Unit 30
7) Terminal Function of Microprocessor 7 12) CTCSS UniL 30
SEMICONDUCTOR DATA 13) DTMF Unit. 31
1) LR408721 10 PARTS LAST
2) M5218FP 10 CPU unit 32
3) M5236ML. 10 PS unit. 32
4) MB1504LPF 11 ROM1 Unit 33
5) MC3357 11 DTMF Unit 33
6) MX365 12 RF Unit 33 ~ 36
7) NJM386 13 Vco unit 37
8) RH5VA32AA. 13 CTCSS Unit 37
9) RH5VA45AA. 13 PTT SW Unit 38
10) X24C01A 14 JACK Unit 38
11) X24C04S14 14 RE Unit 38
12) X24C16S14 14 Others 38
13) Transistor, Diode and LED Outline Dra
w
15 ROM2 Unit. 38
14) LCD Connection. 16 PACKING 38
EXPLODED VIEW Parts Table for Each Version. 39
1) Rear Case 1 17 ADJUSTMENT
2) LCD 17 1) Required Test Equipment. 40
3) Rear Case 2 18 2) Before Adjustment 40
4) Front Case 1 19 3) Adjustment for DJ180, DJ1400 41
5) Front Case 2 20 4) Adjustment for DJ1400AN/QN 42
6) Front Case 3 and Battery Terminal 21 5) Adjustment Quick Reference 43
7) Ten Key Cover and Key Pad Panel 22 6) Adjustment Points. 43 ~ 44
8) CTCSS Unit and ROM1 Unit 23
CIRCUIT DIAGRAM 45 ~ 46
BLOCK DIAGRAM 47
ALINCO INCORPORATED
TWIN 21 M.I.D. TOWER
BUILDING 23F, 1-61, 2-CHOME,
SHIROMI CHUO-KU , OSAKA,
540-8580 JAPAN
Tel (81)
6-
6
946-8150
fax (81)6-6946-8175
e-mail: export@alinco.co.jp

Summary

Radio Specifications

General Specifications

Radio general specifications including frequency, resolution, memory channels, and impedance.

Transmitter Specifications

Details on output power, modulation system, deviation, and tone frequency.

Receiver Specifications

Information on receiver system, intermediate frequency, and sensitivity.

Circuit Description

Receiver System Details

Covers front end, mixer, IF amplifier, audio, and squelch circuits.

PLL and Transmitter Systems

Explains PLL/VCO circuit and transmitter stages like mic amp, power amp, APC.

DTMF and Tone Squelch Circuits

Details optional DTMF encoder and tone squelch decoder/encoder circuits.

Microprocessor and Peripheral Functions

Describes CPU functions, BS mode, backup reset, and system reset.

Semiconductor Component Data

Tone Dialer and Amplifiers

Data for LR408721 (Tone Dialer), M5218FP (Op-Amp), M5236ML (Voltage Reg.).

Synthesizer and FM IF IC

Data for MB1504LPF (Freq. Synthesizer) and MC3357 (FM IF IC).

CTCSS Encoder;Decoder

Details on the MX365 CTCSS encoder/decoder IC.

Voltage Detectors and Power Amplifiers

Data for NJM386 (Power Amp) and RH5VA series (Voltage Detectors).

EEPROM Devices

Information on X24C01A, X24C04S14, and X24C16S14 EEPROM ICs.

Transistor, Diode, and LED Outlines

Outline drawings for various transistors, diodes, and LEDs.

Exploded View and Part Identification

Main Case Components

Exploded view of Rear Case 1 and LCD Assembly.

Rear and Front Case Views

Exploded views of Rear Case 2 and Front Case 1.

Further Front and Rear Assembly

Exploded views of Front Case 2 and Rear Case 3 with Battery Terminal.

Keypad and Unit Assemblies

Exploded views of Ten Key Cover, Key Pad Panel, CTCSS & ROM1 Units.

Adjustment Procedures

Test Equipment and Preparation

Lists required test equipment and pre-adjustment steps.

Wide Version Adjustment

Detailed PLL, TX, and RX adjustments for Wide Version.

Narrow Version Adjustment

PLL, TX, and RX adjustments specific to Narrow Version.

Adjustment Quick Reference and Points

Quick reference table and specific RF unit adjustment points.

DTMF and CTCSS Unit Adjustments

Adjustment procedures for DTMF and CTCSS units.

Printed Circuit Board Views

VCO, Jack, and PTT Unit Layouts

Component layout for VCO, Jack, and PTT units.

RF Unit Layouts

Component layout for RF Unit Side A and Side B.

CPU Unit Layouts

Component layout for CPU Unit Side A and Side B.

Other Unit Layouts

Component layout for RE, CTCSS, and DTMF units.

Circuit and Block Diagrams

Detailed Circuit Diagrams

Comprehensive circuit schematics for the radio.

System Block Diagram

High-level functional block diagram of the radio system.

Alinco DJ-1400 Specifications

General

Brand	Alinco
Model	DJ-1400
Category	Receiver
Language	English