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ORDER NO. KM40009696C2
2-Way Radio
KX-TR320EXF / KX-TR320EXS
Blue Version
Silver Version
(for Europe)

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Table of Contents
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Summary of Contents for Panasonic KX-TR320EXF

  • Page 1 ORDER NO. KM40009696C2 2-Way Radio KX-TR320EXF / KX-TR320EXS Blue Version Silver Version (for Europe)
  • Page 2 SPECIFICATIONS...
  • Page 3: Talk Range

    2000 Kyushu Matsushita Electric Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. TALK RANGE The unit is designed to maximize performance and improve transmission range in the field. However, the talk range depends on your surrounding environment. It is necessary for the unit to have a clean "line-of-sight"...
  • Page 4: Location Of Controls

    2. LOCATION OF CONTROLS...
  • Page 5: Battery Installation

    3. DISPLAY 4. BATTERY INSTALLATION The unit requires 3 AA (LR6) size alkaline batteries (not included). / The battery life is about 30 hours. (Based on a usage duty of 5% receive, 5% talk, 90% standby.) - Make sure that the unit is powered OFF before replacing the batteries.
  • Page 6 Install (or replace) the batteries using the correct polarity (+, -). Close the cover. Battery precautions: The batteries should be used correctly, otherwise the unit may be damaged by battery leakage. - Do not mix different types of batteries. - Do not charge, short-circuit, disassemble or heat batteries, and do not dispose of batteries in fire.
  • Page 7: Operation

    temperature. 5. OPERATION The unit has 8 operating frequency channels and 38 group codes. To talk to others, all users in your group must be using the same channel and group code. 5.1. Selecting the Operating Channel 5.2. Selecting the Group Code (CTCSS)
  • Page 8 5.3. Backlit LCD Display 5.4. Monitir 5.5. Monitor Sending/Receiving Message...
  • Page 9 5.6. Private Talk 5.7. Call Tones 5.8. Finding a Busy Channel...
  • Page 10 5.9. Key Lock 5.10. Auto Power OFF...
  • Page 11: Using The Options

    6. USING THE OPTIONS 6.1. To Enjoy Hands-Free Operation...
  • Page 12 6.2. For Use with a Car Battery 7. DISASSEMBLY INSTRUCTIONS...
  • Page 13 Fig. To remove Remove —. Battery Cover Remove the Battery Cover. Rear Cabinet Screws (2X10) ........(A)X2 Screws (2X7) ........(B)X4 RF Block Unsolder the Antenna Lead Wire and shield case. Remove the RF Block. CPU P.C. Board Unsolder the Main and Sub Speaker Lead Wires.
  • Page 14 8. HOW TO CHECK SPLASH RESISTANCE 9. CPU DATA...
  • Page 16 10. EXPLANATION OF IC TERMINALS (BASE BAND LSI IC11) 11. EXPLANATION OF IC TERMINALS (CTCSS IC IC13 PIN)
  • Page 17: Test Mode Setting

    12. EXPLANATION OF IC TERMINALS (IF IC IC1) 13. EXPLANATION OF IC TERMINALS (PLL IC IC5) 14. TEST MODE SETTING 14.1. FREQUENCY TABLE...
  • Page 18 TX, RX CTCSS CODE Channel/code Frequency (MHz) Tone Frequency (Hz) 446.00625 67.0 446.01875 71.9 446.03125 74.4 446.04375 77.0 446.05625 79.7 446.06875 82.5 446.08125 85.4 446.09375 88.5 446.19375 (Test mode only) 91.5 446.20625 (Test mode only) 94.8 446.23125 (Test mode only) 97.4 446.24375 (Test mode only) 100.0...
  • Page 19 1. Remove the (6) screws of rear cabinet. 2. Unsolder the ANT lead wire, and solder the cable of Frequency counter and Linear Detector. 3. Supply DC4.5V using a DC power supply. 4. Connect the AF Generator output to TP-MIC isolation capacitor's free lead.
  • Page 20: Block Diagram

    Simultaneous receiving can be done with not only specified one transceiver but many units if only the receiving channel and CTCSS code meet on RX side. Therefore, one person of a group can speak to all. The TX/RX frequencies and channels are same. CTCSS code is provided with 38 codes from 67Hz to 250.3Hz (refer to 14.1.
  • Page 21 19. EXPLANATION OF BLOCK DIAGRAM 19.1. Audio Frequency Circuit and Control Circuit Circuit Operation: Transmission 2 types of voice input are provided: built-in microphone and optional external microphone. The signal input through the microphone is amplified at the compressor (IC11), then connected to the next circuit.
  • Page 22 19.2. RX Operation Circuit Operation: The receiving signal from antenna ( /4) is switched by the antenna switch (IC4), and led to RF amplifiers (Q1) to be amplified. Passing through the SAW filter (446 MHz), the signal is mixed with the 1st local at the 1st mixer (IC2) to produce the 1st IF frequency of 21.3 MHz. Then it is amplified by IF amplifier and led to IF demodulation circuit (IC1) through crystal filter (21.3 MHz).
  • Page 23 3V is supplied to TXP of Pin 11 of CN5, RX of pin 10 of CN5 becomes Low (0V), Q12 is turned on, and the reception circuit operates. 1. The signal received at the antenna is input to pin 5 of antenna switch IC4 through the low-pass filter.
  • Page 24 9. At the same time, the noise of the AF signal is detected by squelch circuit in IC1 and the output is sent from pin 19 of IC1. CPU Board: When receiving continuously, IC9 (C3V) is turned ON and IC11 and IC13 are set to RX operation. When receiving periodically, ON/OFF of IC9 (C3V) is controlled.
  • Page 25 connected, the built-in speakers (Main, Sub) is cut off and the external speaker is driven. 20.2. TX Operation RF Board: During TX operation 3V is supplied from TXP of pin 11 of CN5 causing TX of pin 12 to Low (0V) and Q14 to be turned ON to work the TX circuit.
  • Page 26 amplified, then rectified by diode D4. The rectified DC level is input to pin 3 of IC14 and amplified to be output from pin 1. (DC output can be chosen according to the loudness of voice input.) The output from pin 1 is supplied to pin 42 of CPU (IC17), and read by A/D converter to become the trigger of transmission.
  • Page 27: Troubleshooting Guide

    and boots the CPU normally. Voltage Regulator IC: IC8 on CPU board is the voltage regulator IC with the low-consumption current of 3 volt and it always supplies 3V to CPU. Voltage Regulator IC: IC9 on CPU board is the voltage regulator IC with the low-consumption current of 3 volt equipped with control terminal.
  • Page 28 Selecting CH1 21.1.1. RF Output Is Not Output To ANT Terminal. 21.1.2. Modulation Does Not Work In Transmission. 21.2. Transmission Trouble/ AF Circuit Condition Channel No. Setup Standard Modulation (1KHz) Input C3V Applied MIC Input Check TXP (3V): Pin11 (CN5) TX (LOW): Pin12 (CN5) 21.2.1.
  • Page 29 21.3. Control Circuit Condition Voltage (4.5V) Supplied from External Power Source 21.3.1. Power Supply Will Not Be ON. 21.4. Reception Trouble/ RF Circuit Condition Channel No. Setup SSG Frequency Setup Standard Modulation (1KHz) C3V Normally Applied CN5 (Pin10: RX) LOW 21.4.1.
  • Page 30 21.5. Reception Trouble/ AF Circuit Condition Channel No. Setup SSG Frequency Setup Standard Modulation (1KHz) C3V Applied AF Signal: Pin3 (CN4) Check 21.5.1. PTT Mode...
  • Page 31: Terminal Guide Of Ic´s, Transistors And Diodes

    21.5.2. Private Mode 22. TERMINAL GUIDE OF IC´S, TRANSISTORS AND DIODES 23. CABINET AND ELECTRICAL PARTS...
  • Page 32: Accessory And Packing Materials

    24. ACCESSORY AND PACKING MATERIALS...
  • Page 33 25. TOOL...
  • Page 34: Replacement Parts List

    26. REPLACEMENT PARTS LIST This replacement parts list is for KX-TR320EXF/KX-TR320EXS only. Refer to the simplified manual (cover) for other areas. Notes: 1. The marking (RTL) indicates that the Retention Time is limited for this item. After the discontinuation of this assembly in production, the item will continue to be available for a specific period of time.
  • Page 35 After the end of this period, the assembly will no longer be available. 2. Important safety notice / Components identified by the mark have special characteristics important for safety. When replacing any of these components, use only manufacture's specified parts. 3.
  • Page 36 PQHG10574Y PACKING RUBBER, MAIN SPEAKER PQHG10575Z PACKING RUBBER, EAR SPEAKER PQHR10718Z SP HOLDER PQKK10098Z1 FLIP PQYMFR320S FRONT CABINET ASS'Y (for KX-TR320EXS) PQYMFR320F FRONT CABINET ASS'Y (for KX-TR320EXF) PQMS10011Z SPEAKER PLATE XUC25VW-V RETAINNING RING PQAS36P02Y SPEAKER PQSA10116Z ANTENNA PQHX10907Z REFLECTOR SHEET...
  • Page 37 Ref. No. Part No. Part Name & Description Remarks PCB1 PQWP1R320EXF CPU P. C. BOARD ASS'Y ( RTL ) (ICS) PQVIMM3033AU PQVIMM1385HN IC10 PQVINJM2135R IC11 PQVIAK2361E1 IC12 PQVINJM2135R IC13 PQVIAK2345E2 IC14 PQVINJU7015R IC15 PQVIPS9320UT IC16 PQWI2TR325SH IC17 PQVI9407AA28 (TRANSISTORS) PQVTGN1A3QT1 TRANSISTOR(SI) PQVTDTC114EU TRANSISTOR(SI) 2SK1581...
  • Page 38 Ref. No. Part No. Part Name & Description Remarks PQVCF3686N8Z CRYSTAL OSCILLATOR (CAPACITORS) ECUV1C104KBV ECUV1C104KBV ECUV1A105ZFV ECUV1A105ZFV ECUV1C104KBV ECUV1H103KBV 0.01 ECUV1H101JCV 100P ECUV1A105ZFV ECUV1A105ZFV ECUV1A105ZFV ECUV1A105ZFV ECUV1C104KBV ECUV1H102KBV 0.001 ECUV1C104ZFV ECUV1H330JCV ECST0JY106 ECUV1C104KBV ECUV1C104KBV ECUV1A224KBV 0.22 ECUV1H470JCV ECUV1C104KBV ECUV1H470JCV ECUV1H223KBV 0.022 ECUV1H821KBV 820P...
  • Page 39 Ref. No. Part No. Part Name & Description Remarks ECUV1H220JCV ECUV1C104ZFV ECUV1C104ZFV ECST0JY106 ECUV1C104ZFV ECUV1C104ZFV ECST0JY106 ECUV1C104ZFV ECST0JX476 ECUV1C104ZFV ECST0JY106 ECST0JY106 ECUV1C104ZFV ECUV1C104ZFV ECUV1C104ZFV C180 ECUV1H102KBV 0.001 C181 ECUV1H102KBV 0.001 C182 ECUV1H102KBV 0.001 C183 ECUV1H102KBV 0.001 C184 ECUV1H102KBV 0.001 C185 ECUV1H470JCV C186 ECUV1H102KBV...
  • Page 40 Ref. No. Part No. Part Name & Description Remarks (TRANSISTORS) 2SC5463 TRANSISTOR(SI) PQVTN510279A TRANSISTOR(SI) 2SC5463 TRANSISTOR(SI) PQVTGN1A3QT1 TRANSISTOR(SI) PQVTGN1A3QT1 TRANSISTOR(SI) (CRYSTAL OSCILLATOR) PQVCMMF213MT CRYSTAL OSCILLATOR PQV058Z CRYSTAL OSCILLATOR PQV059Z CRYSTAL OSCILLATOR PQVCB2125N1Z CRYSTAL OSCILLATOR (COILS) MQLRE10NJF COIL PQLQR4D1R0K COIL MQLRE10NJF COIL MQLRER10JF COIL...
  • Page 41 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ470 ERJ3GEYJ102 ERJ3GEYJ220 ERJ3GEYJ473 ERJ3GEYJ562 5.6k ERJ3GEYJ154 150k ERJ3GEYJ684 680k ERJ3GEYJ102 ERJ3GEYJ472 4.7k ERJ3GEYJ473 ERJ3GEYJ124 120k ERJ3GEYJ101 ERJ3GEYJ183 ERJ3GEYJ470 ERJ3GEYJ473 ERJ3GEYJ473 ERJ3GEYJ103 ERJ3GEYJ102 ERJ3GEYJ102 ERJ3GEYJ681 680k ERJ3GEYJ102 ERJ3GEYJ222 2.2k ERJ3GEYJ180 ERJ3GEYJ105 R102 ERJ3GEYJ561 560k...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks ECUV1A474KBV 0.47 ECST0JY106 ECUV1H331JCV 330P ECUV1H102KBV 0.001 ECUV1H102KBV 0.001 ECUV1H050CCV ECUV1C104ZFV ECUV1H331JCV 330P ECUV1H103KBV 0.01 ECUV1H103KBV 0.01 ECUV1H102KBV 0.001 ECUV1H103KBV 0.01 PQCUV1C224KB 0.22 ECUV1A105ZFV ECUV1H103KBV 0.01 C100 ECUV1H330JCV C101 ECUV1H102KBV 0.001 C102 ECUV1A105ZFV C103...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks C137 ECUV1H220JCV C138 ECUV1H180JCV C139 ECUV1H102KBV 0.001 C140 ECUV1H102KBV 0.001 C141 ECUV1H060DCV C142 ECUV1H101JCV 100P C143 ECUV1H101JCV 100P C144 ECUV1H101JCV 100P C145 ECUV1H101JCV 100P C146 ECUV1H102KBV 0.001 C200 ECUV1H472KBV 0.0047 (RESISTORS) ERJ3GEYJ104 100k ERJ3GEYJ104...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ224 220k ERJ3GEYJ563 ERJ3GEYJ332 3.3k ERJ3GEYJ223 ERJ3GEYJ333 ERJ3GEYJ223 ERJ3GEYJ473 ERJ3GEYJ473 ERJ3GEYJ563 ERJ3GEYJ105 ERJ3GEYJ153 ERJ3GEYJ103 ERJ3GEYJ473 ERJ3GEY0R00 ERJ3GEYJ105 ERJ3GEYJ104 100k ERJ3GEYJ104 100k ERJ3GEYJ103 ERJ3GEYJ820 ERJ3GEYJ820 ERJ3GEYJ104 100k ERJ3GEYJ104 100k ERJ3GEYJ104 100k ERJ3GEYJ104 100k ERJ3GEYJ104 100k...

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