Kenwood TK-D340 Service Manual

SERVICE MANUAL
COPYRIGHT © 2015 JVC KENWOOD Corporation
No.RA037<Rev.001>
2015/12
B5B-7220-00
UHF DIGITAL TRANSCEIVER
RA037<Rev.001>201512SERVICE MANUALB5B-7220-00
TK-D340, TK-D340(U)
COPYRIGHT © 2015 JVC KENWOOD Corporation
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-46
This product complies with the RoHS directive for the European market.
This product uses Lead Free solder.

Kenwood TK-D340 Specifications

General

Product color	Black
Compatible products	KNB-45L, KNB-69L
International Protection (IP) code	IP55
Purpose	Digital Mobile Radio (DMR)
Maximum range	- m
Operating frequency	450-520 MHz
Belt clip	Yes
Operating temperature (T-T)	-30 - 60 °C

Summary

Section 1: Precautions

Section 2: Specific Service Instructions

System Set-Up

Initial setup of the transceiver, including hardware and software requirements.

Realignment Procedures

Procedures for calibrating transceiver parameters using PC software.

Circuit Description

Detailed explanation of the transceiver's internal circuitry and signal flow.

Semiconductor Data

Pin assignments and functions for key semiconductor components.

Components Description

List and description of main electronic components used in the unit.

Section 3: Disassembly

Precautions for Disassembly

Safety guidelines and warnings before disassembling the unit.

Disassembly Procedures

Step-by-step guide for taking apart the transceiver case and main unit.

Reassembly Procedures

Steps for correctly reassembling the transceiver after servicing.

Section 4: Adjustment

K,M TYPE Test Equipment

List of necessary test equipment for K,M type alignment.

K,M TYPE Frequency and Signaling

Test frequencies and signaling modes for K,M type adjustment.

K,M TYPE Adjustment Procedures

Detailed steps for adjusting K,M type transceiver parameters.

E,E2 TYPE Test Equipment

List of necessary test equipment for E,E2 type alignment.

E,E2 TYPE Frequency and Signaling

Test frequencies and signaling modes for E,E2 type adjustment.

E,E2 TYPE Adjustment Procedures

Detailed steps for adjusting E,E2 type transceiver parameters.

Section 5: Troubleshooting

Replacing Main Unit

Procedure for replacing the main unit PCB and programming data.