Kirisun PT6808-02 Service Manual
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Kirisun PT6808-02 Service Manual

Pt6808 series. vhf/uhf mobile radio
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Summary of Contents for Kirisun PT6808-02

  • Page 2 Though the radio is waterproof, it's better to avoid putting it in rain or snow, or any other liquid to ensure its life and performance. Statement! Kirisun Communications Co., Ltd owns the copyright of KSP6808 software. Duplication of KSP6808 software is allowed. Kirisun Communications Co., Ltd owns the copyright of the MCU software code. Kirisun Communications Co., owns...

  • Page 3: Table Of Contents

          PT6808 Service Manual                                                 Contents Chapter 1 Overview ........................3  Chapter 2 External View and Functional Keys ................4  Chapter 3 Mode Introduction ......................

  • Page 4: Chapter 1 Overview

    Chapter 1 Overview 1.1 Introduction This manual applies to the service and maintenance of PT6808-02 and PT6808-03 trunking portable radios, and is intended for use by engineers and professional technicians that have been trained by Kirisun. It contains all required service information for the equipment. Kirisun reserves the right to modify the product structure and specifications without notice in order to enhance product performance and quality.

  • Page 5: Chapter 2 External View And Functional Keys

    Components of the same type available on the market are not surely able to be used in this product and we do not guarantee the quality of the product using such components. If you want to apply for any component from Kirisun, please fill in an application form as below. e.g.
  • Page 6       PT6808 Service Manual                                                 Figure 1 Figure 2 2.2 Key operation descriptions A. Power Button B.
  • Page 7       PT6808 Service Manual                                                 J. Encoder Button (counterclockwise) K. Connector for hand microphone, programming line O.

  • Page 8: Chapter 3 Mode Introduction

          PT6808 Service Manual                                                 Appears when you are in roaming. Appears when the keypad is locked. Appears when the ring alert function is active.
  • Page 9       PT6808 Service Manual                                                 4.2 Frequency Configuration Figure 1: Frequency Configuration The receiver adopts superheterodyne double frequency conversion of the first IF of 44.85MHz and the second IF of 455kHz.
  • Page 10       PT6808 Service Manual                                                 The RF signal received by the antenna comes to antenna switch (D28, D29 and D26), and passes through a BPF (L27, 36, 37, 38 and 39) which is adjusted by variable capacitance.
  • Page 11       PT6808 Service Manual                                                 amplified by IC4 (2/2). The output signal is filtered by IC13 high pass filter, low power filter; high power filter and frequency band eliminator and is de-emphasized.
  • Page 12       PT6808 Service Manual                                                 comes to TCXO to modulate. Figure 3 MIC signal processor 4.4.2 Drive and front end amplifier The signal coming from T/R switch (D25 is connected) is amplified to 100Mw by pre-drive (Q33) and drive amplifier (Q36).
  • Page 13       PT6808 Service Manual                                                 signal. During the transmission, the power level of VCO’s pin3 becomes low level, and VCO generates the frequency of 350-390MHz.
  • Page 14       PT6808 Service Manual                                                 EEPPOM Note: EEPPOM keeps tuning data (quadrature and noise suppression circuit). If the EEPPOM is changed, the mobile radio needs to be adjusted.

  • Page 15: Chapter 5 Function Description And Parameter Settings

          PT6808 Service Manual                                                 When pressing down the Power Button, the power level of the CPU port pin is low level, and then CPU port outputs high level.
  • Page 16       PT6808 Service Manual                                                 maintenance staff call, etc. 4) Emergency call Press the orange “Emergency Button” to send an emergency call in case of emergency. 5) Dynamic grouping Dynamic grouping function allows the base station to group units as a new team by remote control.
  • Page 17       PT6808 Service Manual                                                 32 conventional channels can be set through PC programming software, and the parameters on each channel can be set, such as CTCSS/DCS encoding and decoding, wideband/narrowband, BCL, high power/low power, compander, channel name, etc.

  • Page 18: Chapter 6 Disassembly For Repair

          PT6808 Service Manual                                                 4) Frequencies 5) Scan option of control channel 6) Personalization 7) Call authorization 8) Call scope limit 9) Call address...

  • Page 19: Exploded View

          PT6808 Service Manual                                                 To disassemble the panel: 2. Exploded view...
  • Page 20       PT6808 Service Manual                                                 Plastic front Material: ABS, Black, silk-screen 7MBP-2000-01A-LOA cover Volume Material: ABS, black 7MBP-2000-02A-W0 knob Lens...
  • Page 21       PT6808 Service Manual                                                 bracket 7MBL-2000-02A-W Al frame Material: Al alloy, ACD12, passivation PCS VCO shield Material: Phosphor copper Ni-plated 7MBC-1747-01A-N...
  • Page 22       PT6808 Service Manual                                                 Earphone Material: Foam, Loop, Φ10*Φ5*1.0 7GGM-100050010-W gasket Copper foil Material: Copper foil grounded sheet 7MBC-2000-01A-N grounded sheet...

  • Page 23: Chapter 7 Adjustment

          PT6808 Service Manual                                                 self-tapping pyramidal Ni-plated screw screw Power 2.5m2 copper core, red-black line, 3WPD-S1939-F supply line VL-2A terminal + SR, L=300mm...
  • Page 24       PT6808 Service Manual                                                 2. Key B and C on hand MIC—select between QT and DQT; during the transmission, select between DTMF9 and FSSK (F120 and F180) 3.
  • Page 25       PT6808 Service Manual                                                 low frequency point) 3. Low power Press the Encoder Buttons on the panel, and adjust the Tx power within 4.0-6.0W. (Numeric key 1, 2, 3, 4, 5 correspond to high, intermediate high, intermediate, intermediate low and low frequency point) 4.
  • Page 26       PT6808 Service Manual                                                 A. Narrow band (N): Press the Encoder Button to adjust the Tx deviation to 0.35kHz ±50Hz (Numeric key 1, 2, 3 correspond to high, intermediate and low frequency point) B.
  • Page 27       PT6808 Service Manual                                                 C. Press the Encoder Button to adjust the tuning voltage of SENS end to 4.1V±0.1V (High frequency point—press Key 3) (Sensitivity: low—90, intermediate—162 and high—220) 2.
  • Page 28       PT6808 Service Manual                                                 icon displays when select narrow band) 5. HRSSI check In the tuning mode (press Key A on hand MIC to turn on the radio), press Key B or C to enter the item you want to adjust, and press Key D to save the data.
  • Page 29       PT6808 Service Manual                                                 Tx part 1. Output power: high (20.0W—25.0W) low (4.0W—7.0W) High, intermediate, and low frequency point MOD.: 1KHz DEV.: ±3kHz Red LED indicator lights on while transmitting.

  • Page 30: Chapter 8 Specifications

          PT6808 Service Manual                                                 Chapter 8 Specifications 8.1 General Specifications Product Model PT-6800 (2) PT-6808 (3) General specification (350-390) MHz...

  • Page 31: Chapter 9 Servicing And Testing Equipment

          PT6808 Service Manual                                                 Chapter 9 Servicing and Testing Equipment Equipment and apparatus listed below are required for servicing and test of PT6800. Name Major Specifications Frequency range: 350 ~ 500MHz...

  • Page 32: Chapter 10 Troubleshooting

          PT6808 Service Manual                                                 Chapter 10 Troubleshooting 1. Software problems Problem Causes and Solutions A.
  • Page 33       PT6808 Service Manual                                                 but the radio displays NULL NUMBER. A. Please check if the radio has set the function of “entering to The radio frequently conventional mode if cannot find the control channel”...

  • Page 34: Appendix 1: Abbreviations

          PT6808 Service Manual                                                 Appendix 1: Abbreviations amplify, amplifier antenna automatic power control band pass filter CTCSS continuous tone control squelch system digital code squelch...

  • Page 35: Appendix 2 Semiconductor Data

          PT6808 Service Manual                                                 Appendix 2 Semiconductor Data Microprocessor: 30620M8A-394GP (TX-RX part: TC19) Functions of pins Port Name In/Out Functions...
  • Page 36       PT6808 Service Manual                                                 AUXRXD External serial port input PLLUL PLL check input CMX-DATA Consistent data output Serial port output (e.g.
  • Page 37       PT6808 Service Manual                                                 79-86 D0-D7 Flash memory data bus DTMDAT DTMF decoding IC data input PF key input Volume level input BATT...
  • Page 38       PT6808 Service Manual                                                 VDDA Voltage supply for analog mode. This pin increases voltage to load, supplies power to assistant pre-scaler, assistant and reference buffer.

  • Page 39: Appendix 3 Electronic Components

          PT6808 Service Manual                                                 Appendix 3 Electronic Components Frequency range: 350-390MHz Part No. Part Name Specifications Position Mark 3FG7-6030-313010...
  • Page 40       PT6808 Service Manual                                                 01,C302,C304, C305 2CC1-16-X7R500-103 R Chip 1608,10nF±10%,50V,X7R C153,C161,C20 multilayer 3,C205,C303,C capacitor 403,C404,C230 2CC1-16-X7R500-104 R Chip...
  • Page 41       PT6808 Service Manual                                                 2RS1-16-472J R Sheet 1608,4.7K±5% R179,R48 resistor 2RS1-16-473J R Sheet 1608,47K±5% R105,R105A resistor 2RS1-16-682J...
  • Page 42       PT6808 Service Manual                                                 Air-cored inner diameter φ3.0,9.5 Inductor loops, positive 2LH3-R803R0-L03 Insert Diameter of line φ0.8, Air-cored inner diameter φ3.0, 2.5 Inductor...
  • Page 43       PT6808 Service Manual                                                 capacitor diode 1DV1-HVC375B Chip variable HVC375B(B8) capacitor diode 1DZ1-02DZ18-X R Chip Vmin=16.80V,Vmax=17.7 voltage regulator...
  • Page 44       PT6808 Service Manual                                                 voltage integrated5V,NJM78L05U regulator IC A,SOT-89 1IS1-NJU7201U50-TE Chip IC NJU7201U50-TE1,SOT-8 1IS1-R3111N421A Chip voltage Regulator R3111N421A regulator IC...
  • Page 45       PT6808 Service Manual                                                 Double Grid 1TT1-2SA1641-S R Chip 2SA1641-S Triode 1TT1-2SA1745-6 R Chip 2SA1745-6(ES),MCP(SO Triode T323)
  • Page 46       PT6808 Service Manual                                                 2CC1-10-X7R500-102 R Chip 1005,1000P±10%,50V,X7 multilayer capacitor 2CC1-10-X7R500-103 R Chip 1005,10nF±10%,50V,X7R multilayer capacitor 2CC1-16-C0G500-100...
  • Page 47       PT6808 Service Manual                                                 multilayer capacitor 2CC1-16-C0G500-220J R Chip 1608,22P±5%,50V,C0G multilayer capacitor 2CC1-16-C0G500-270J R Chip 1608,27P±5%,50V,C0G multilayer capacitor...
  • Page 48       PT6808 Service Manual                                                 capacitor 2CC1-16-C0G500-680J R Chip 1608,68P±5%,50V,C0G multilayer capacitor 2CC1-16-C0G500-6R0 R Chip 1608,6P±0.5P,50V,C0G multilayer capacitor...
  • Page 49       PT6808 Service Manual                                                 2CC1-16-X7R500-103 R Chip 1608,10nF±10%,50V,X7R multilayer capacitor 2CC1-16-X7R500-104 R Chip 1608,100nF±10%,50V,X7 multilayer capacitor 2CC1-16-X7R500-123...
  • Page 50       PT6808 Service Manual                                                 Capacitor 2CT1-TS60-160-220M Chip Ta 6032,22μF±20%,16V, Capacitor 2LW1-34UC-8N0G Chip wire C3328A-8N0G-T07H inductor 2LW1-16UC-390J R Chip wire...
  • Page 51       PT6808 Service Manual                                                 resistor 166 2RS1-16-180J Sheet resistor 1608,18Ω±5% 2RS1-16-181J R Sheet 1608,180Ω±5% resistor 2RS1-16-182J R Sheet...
  • Page 52       PT6808 Service Manual                                                 2RS1-16-680J R Sheet 1608,68Ω±5% resistor 2RS1-16-681J R Sheet 1608,680Ω±5% resistor 2RS1-16-682J R Sheet 1608,6.8K±5%...
  • Page 53       PT6808 Service Manual                                                 multilayer V,Y5V capacitor 2CC1-20-Y5V100-334 R Chip 2012,330nF+80%/-20%,10 multilayer V,Y5V capacitor 2CC1-32-C0G500-1R0 Chip 3216,1P±0.25P,50V,C0G...
  • Page 54       PT6808 Service Manual                                                 J/HK1608R10J-T) 2LL1-16-R18J R Stacked 1608,0.18μH±5%(LG HK inductor 1608R18J-T/MLG1608B1 80N) 2LL1-16-R22J R Stacked 1608,0.22μH±5%(LG HK inductor...
  • Page 55       PT6808 Service Manual                                                 2RS1-16-122J R Sheet 1608,1.2K±5% resistor 2RS1-16-123J R Sheet 1608,12K±5% resistor 2RS1-16-124J R Sheet 1608,120K±5%...
  • Page 56       PT6808 Service Manual                                                 2RS1-20-000O R Sheet 2012,0Ω resistor 244 2RS1-20-120J Sheet resistor 2012,12Ω±5% 245 2RS1-20-471J Sheet resistor 2012,470Ω±5%...
  • Page 57       PT6808 Service Manual                                                 2CC1-32-C0G500-6R0 Chip 3216,6P±0.25P,50V,C0G multilayer capacitor 2CC1-32-C0G500-8R0 Chip 3216,8P±0.25P,50V,C0G multilayer capacitor 2CE1-VS250-470M060 R Chip Al 6.3×5.3,47μF±20%,25V...
  • Page 58 Figure 1 PT6808 Block Diagram 180R R217 180R 470P R187 IC26 Text R219 22u/16V R188 RA30H3340M R444 C331 R191 R443 470P C212 0.1u 470P 1.5K Lic28 C167 C168 2SC5108(Y) C221 MA2S077 R129 POWER MODULE 0138-05 C246 2SC5108(Y) C247 2SC4988 3.3K R445 470u25V C171...

  • Page 59: Figure 2 Pt6808 Rf Board Position Mark Diagram

    Figure 2 PT6808 RF Board Position Mark Diagram...

  • Page 60: Figure 3 Pt6808 Rf Board Position Mark Diagram

    Figure 3 PT6808 RF Board Position Mark Diagram...

  • Page 61: Figure 4 Pt6808 Key Board Position Mark Diagram

    Figure 4 PT6808 Key Board Position Mark Diagram...

  • Page 62: Figure 5 Pt6808 Key Board Position Mark Diagram

    Figure 5 PT6808 Key Board Position Mark Diagram...

This manual is also suitable for:

Pt6808-03

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