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Kenwood NX-5300 K6 - User Manual

Kenwood NX-5300 K6
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SERVICE MANUAL
COPYRIGHT © 2015 JVC KENWOOD Corporation
No.RA015<Rev.002>
2015/9
B5B-7154-10
UHF DIGITAL TRANSCEIVER
RA015<Rev.002>20159SERVICE MANUALB5B-7154-10
NX-5300
COPYRIGHT © 2015 JVC KENWOOD Corporation
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-105
NX-5300 F3,F6,K3,K6,ENX-5300 F2,F5,K2,K5,E2
This service manual has been revised due to the addition of NX-5300 type E, E2.
REVISED
This product complies with the RoHS directive for the European market.
This product uses Lead Free solder.

Table of Contents

Questions and Answers

  • K
    Kevin BellAug 17, 2025
    How to fix LCD displaying control abnormal value on Kenwood Transceiver?
    • H
      huffmancarlAug 17, 2025
      If the LCD of your Kenwood Transceiver displays an abnormal control value, remove the following parts: C47, R21, R39, R66, Q32, IC36, and IC61.
  • J
    jstewartAug 20, 2025
    What to check if CS4 has an abnormal voltage in Kenwood Transceiver?
    • A
      Allison YatesAug 20, 2025
      If CS4 has an abnormal voltage in your Kenwood Transceiver, check the terminal of L802, re-insert the FPC of the LCD module, and replace the LCD module.
  • C
    colleenhopkinsAug 22, 2025
    What to do if IC706 (1 pin) is 0V or 1.8V in Kenwood NX-5300 K6?
    • J
      Jonathan BellAug 22, 2025
      If IC706 (1 pin) is 0V or 1.8V in your Kenwood Transceiver, remove the following parts: SBC MPU/DSP side R21 3.3V C47 R21 R39 R66 Q32 IC36 IC61.
  • W
    Wendy MartinezAug 26, 2025
    What does it mean if Reset/Control signal has an abnormal value in Kenwood Transceiver?
    • M
      Melissa MorganAug 26, 2025
      If the Reset/Control signal of your Kenwood Transceiver has an abnormal value, and correcting the voltage doesn't solve the issue, it indicates a problem other than the BGA parts.
  • S
    Sabrina ScottAug 28, 2025
    Why my Kenwood NX-5300 K6 cannot be powered on?
    • R
      Ronald ValentineAug 28, 2025
      If your Kenwood Transceiver cannot be powered on and the LCD does not function, it may be due to broken BGA parts on the printed circuit board (XC1-0341-82/XC1-0341-83). It is recommended to bring the printed circuit board in for service.
  • E
    Erik PattersonAug 30, 2025
    What to do if /FRST is always 0V in Kenwood NX-5300 K6 Transceiver?
    • A
      Alan GardnerAug 31, 2025
      If /FRST is always 0V on your Kenwood Transceiver, remove D705 to check the voltage of the Flash memory side R747.
  • J
    James RobinsonSep 2, 2025
    What to do if CN2 voltage is less than 6V in Kenwood NX-5300 K6 Transceiver?
    • J
      Jake DuranSep 2, 2025
      If CN2 voltage is less than 6V on your Kenwood Transceiver, charge the battery.
  • L
    Lawrence BowenSep 5, 2025
    How to check voltage of the 33M in Kenwood NX-5300 K6 Transceiver?
    • M
      Matthew WrightSep 5, 2025
      To troubleshoot an abnormal voltage at 33M on your Kenwood Transceiver, remove L712 to check the voltage of the 33M.
  • D
    David EnglishSep 8, 2025
    How to check voltage of the 18M_3 in Kenwood NX-5300 K6?
    • J
      Joseph HarmonSep 8, 2025
      To troubleshoot an abnormal voltage at 18M_3 on your Kenwood Transceiver, remove L719 to check the voltage of the 18M_3.
  • F
    Frank RussellSep 12, 2025
    How to check voltage of the 18M in Kenwood NX-5300 K6 Transceiver?
    • M
      Matthew WallaceSep 12, 2025
      To troubleshoot an abnormal voltage at 18M on your Kenwood Transceiver, remove L710 and L711 to check the voltage of the 18M.

Kenwood NX-5300 K6 Specifications

General IconGeneral
Zones128
Operating Voltage7.5 V DC ±20%
Digital ProtocolNXDN, DMR
GPSYes
BluetoothYes
IP RatingIP54/55
MIL-STDMIL-STD-810 C/D/E/F/G
Operating Temperature-30°C to +60°C
Battery LifeUp to 14 hours (depending on usage)
Channel Spacing12.5 kHz, 25 kHz
EncryptionAES, DES
DisplayColor LCD
Modulation16K0F3E, 11K0F3E, 8K10F1D
Weight290 g with KNB-57L battery

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