Kirisun DP485 Service Manual
  1. Manuals
  2. Brands
  3. Kirisun Manuals
  4. Two-Way Radio
  5. DP485
  6. Service manual

Kirisun DP485 Service Manual

Portable digital two-way radio
Hide thumbs Also See for DP485:
Table of Contents

Advertisement

Quick Links

Download this manual
Service Manual
DP485 Portable Digital Two-Way Radio
V1.0

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the DP485 and is the answer not in the manual?

Questions and answers

Related Manuals for Kirisun DP485

Summary of Contents for Kirisun DP485

  • Page 1 Service Manual DP485 Portable Digital Two-Way Radio V1.0...

  • Page 2: Table Of Contents

    Contents Chapter 1 Overview..................................1 1.1 Range of Application...............................1 1.2 Safety Precaution................................1 1.3 Maintenance Service............................... 1 Chapter 2 External View and Keys............................1 2.1 External View..................................1 2.2 Programmable Keys................................1 2.3 LED Indicator..................................2 Chapter 3 Basic Operation............................... 1 3.1 Powering On/Off................................1 3.2 Selecting a Channel.................................1 3.3 Adjusting Volume................................
  • Page 3 Appendix 1 Abbreviations................................ 1 Appendix 2 Material List (Electronic Part)........................... 1 Table 1 Material List of Main Board DP485-02 (400~470 MHz)..................1 Table 2 Material List of Main Board DP485-01 (136-174 MHz)..................1 Table 3 Material List of Module Board LT1901........................ 9 Appendix 3 Material List (Structural Section)........................

  • Page 4: Chapter 1 Overview

    This manual is intended for the maintenance of DP485 frequency-modulated handheld two-way radio, and can be used only by the engineers and professional technicians trained by Kirisun. The parameters in this manual are subject to change because of technology improvement. For the latest information, please contact Kirisun or your local dealer.

  • Page 5: Chapter 2 External View And Keys

    Chapter 2 External View and Keys 2.1 External View Description Description Power/Volume Knob Turn it clockwise until a click is heard to power radio. Turn Antenna counterclockwise until a click is heard to power off the radio. When the radio is on, turn it to regulate the volume.

  • Page 6: Led Indicator

    Press: Press down and release quickly. Press and hold: Press down and hold still for a period, which is set through the CPS (customer programming software). Programming Function Description Function None The radio does not respond when this key is pressed. Battery Level Announce the current battery level.

  • Page 7: Chapter 3 Basic Operation

    Chapter 3 Basic Operation 3.1 Powering On/Off To power on the radio, rotate the Power/Volume knob clockwise until a click is heard. To power off the radio, rotate the Power/Volume knob counterclockwise until a click is heard. 3.2 Selecting a Channel When the radio is on, rotate the Channel knob to select a channel.

  • Page 8: Chapter 4 Circuit Description

    Chapter 4 Circuit Description 4.1 Circuit Diagram of Main Board 4.2 RF Circuit Diagram 4.3 Baseband Circuit Diagram...

  • Page 9: Tx Circuit

    4.4 TX Circuit The TX circuit includes an RF power amplification circuit, a low pass filter circuit and an automatic power control circuit. RF Power Amplification Circuit  RDA1846S outputs RF signal from pin 18 and enters first-level pre-drive amplifier (Q502) for initial amplification;...

  • Page 10: Power Section

    The signal from antenna is sent to Q507 3SK318 and low noise amplifier (LNA) which is made of peripheral components though RX/TX switches (D500, D501, D502 and D503) for amplification, and the amplified signal will then be sent to U500 (AT1846S) for demodulation and output. RX Circuit Back-end ...

  • Page 11: Port Description Of At1846S

    Modulation method of direct frequency synthesis  TX filter based on digital signal processing technology  TX modulation gain number is adjustable  Digital voice activates TX control  e. High-performance fractional PLL frequency synthesizer Fully-integrated in-chip RF VCO  Fully-integrated internal loop filter ...

  • Page 12: Port Description Of Master Chip Lt1901

    Gpio2 / int GPIO2 (When Gpio2=VH, int is active; else VL) Gpio1 / code_in / code_out GPIO1 (Gpio1=VH or VL, it is the input/output code data) Gpio0 / css_in / css_out GPIO0 (Gpio0=VH or VL, it is the input/output CTCSS/CDCSS signal) 4.7.3 Port Description of Master Chip LT1901 PIN NO.
  • Page 13 PIN NO. Port NO. Port Name Function GPIO_D87 I2C_SCL EEPROM GPIO_D49 GPIO_D51 AFCO1 Audio power amplifier MUTE GPIO_D48 VOUT_D3 PMU_3M output GPIO_D52 DACS_SW1 DA_MCP4802 GPIO_D47 GPIO_D50 LDAC_PC/TV DA_MCP4802 GPIO_D53 AFCO2 Speaker output MUTE GPIO_D46 RDA_PDN RDA1846S GPIO_D58 SPI/CS RDA1846S GPIO_D2 NC_GPIO GPIO_D57 SPI/CLK...

  • Page 14: Feature Description Of Semiconductor Devices

    4.7.4 Feature Description of Semiconductor Devices Component NO. Model Description IC500 NJM2904 APC, voltage comparison, drive LT1901A IC200 24LC512 E2PROM, saves channel frequency data, feature parameters and modulation parameters TDA8547TS Receiver audio power amplification Q500 RD07S2B TX final power amplification DTA144EE APC output switch Q507...

  • Page 15: Chapter 5 Feature Description And Parameter Setting

    Chapter 5 Feature Description and Parameter Setting 5.1 Stun, Revive and Remote Monitor Stun You can enable this function, so that the radio can be stunned after receiving a Stun command. A stunned radio can only receive a Revive command but cannot send or receive other signals. Revive You can enable this function, so that a stunned radio can be revived after receiving a Revive command.

  • Page 16: Tot (Time-Out-Timer)

    alert tones, sleep mode, CPS password and speech encryption, and they may vary for different dealers. Power Under high power, communication distance is longer but battery life is shorter; under low power, communication distance is shorter and battery life is longer. You can set a power level for each channel. Squelch Level You can set the squelch level of the radio to any of 0 to 9.

  • Page 17: Settings

    The radio has been set before delivery. However, to meet customers’ requirements, it may be necessary to set such digital functions as operating frequencies, channels, DT/DQT and automatic scan. This can be achieved by the programming software CPSM V3.xx developed by Kirisun. It is user-friendly and easy to operate, and supports Chinese and English.
  • Page 18 3. Turn on the radio by rotating the Power/Volume knob, and the following interface will be displayed on the Software Upgrade Tool. 4. Click Upgrade Software. You will be prompted to back up current software. Click Cancel.
  • Page 19 5. Automatic upgrading starts. After upgrade, a message will be prompted. Click OK. Note: During upgrade, do not power off the radio or disconnect the programming cable.

  • Page 20: Chapter 6 Assembly And Disassembly

    Chapter 6 Assembly and Disassembly This radio is a sophisticated communication device with precise and compact structure. Please be careful with the repair. 6.1 Installing and Uninstalling the Battery Installing the Battery (1) Press the upper part of the belt clip gently so that it goes up. (Figure ①) (2) Align the battery with the battery holder at the back of the radio, and then insert the battery.

  • Page 21: Using An Earphone

    fasten the clip using two 2.5*8 machine screws. To uninstall the belt clip, loosen the screws, and then take off the belt clip. M2.5*8 Screw 6.4 Using an Earphone You can use an external earphone. Open the cover board on the right side of the radio, and insert the earphone plug into the interface.

  • Page 22: Detaching Main Board From The Base

    6.6 Detaching Main Board from the Base (1). Detach the two screws on the PTT PCB. (2). Unscrew the seven bolts on the main board. (3). Unsolder the antenna using a soldering iron (or take down the antenna connector nut), and then separate the main board (including the PTT PCB) and the aluminum-alloy holder.
  • Page 23 Material NO. Material Name Specification 7MHP-4253-01A-W0 Top shell PC1414, black, etched, screen print Side 7MHP-4207-06A-W0 PC1414, black, etched (down) 7MHP-4253-02A-W8 Top shell cover PC1414, gray, etched Trademark Black PVCC, grayish white text, 7PLJ-4230-E01B sticker 42.0*7.0mm Speaker dust 7GCB-445285-W0A Nylon net, 44.5*28.5mm*0.1mm screen 7MHP-4207-04A-W0 PTT key cover...
  • Page 24 Material NO. Material Name Specification 7MJS-4038-01A-W0 S760 spindle SUS304, original color Cross recessed Hardened iron, Φ 2*4 mm, nickel plated, 7SMF-020040M-SZYB-N mushroom-head nylok machine screw Silica gel, outer diameter 8 mm, wire 7MHR-4072-05A-W0 O-shaped ring diameter 1.5 mm Main board Cross recessed Hardened iron 1018, Φ...

  • Page 25: Chapter 7 Debugging

    Chapter 7 Debugging 7.1 Debugging Method During the repair, if the components are changed, you need to test and adjust the technical specification. 7.1.1 Components needed for adjustment (1) Antenna interface converter (2) Universal interface 7.1.2 PC Test Mode Modulation Method Tx Section Tx Frequency ...
  • Page 26 3. Tx Distortion: <=5% 4. Tx Frequency Deviation: reference frequency +/-500Hz 5. Undervoltage Indication: when voltage is 6.2V, the red indicator should flash when pressing PTT, and no Tx power occurs.

  • Page 27: Chapter 8 General Specification

    Chapter 8 General Specification Model DP485 Frequency 136~174 MHz, 400~470 MHz Channel Capacity 256 channels Channel Spacing 25 kHz/12.5kHz Operating Voltage 7.4V Working Temperature -25℃~ +55℃ Antenna Impedance 50Ω Microphone Impedance 2.2kΩ Battery Lithium-ion battery DC 7.4V , 2000mAh Average battery duration (5-5-90,...

  • Page 28: Chapter 9. Equipment For Maintenance And Test

    Chapter 9. Equipment for Maintenance and Test 1. Wireless general-purpose tester HP8920/8921 2. Digital multimeter 3. Regulated DC power supply...

  • Page 29: Chapter 10. Troubleshooting

    Chapter 10. Troubleshooting Failure Description Troubleshooting Startup fails A. Check the battery. If it is low, charge or replace it. B. The Power key does not work well. Replace the key. C. The CPU does not work well. Replace it with a new IC19. Communication fails A.

  • Page 30: Appendix 1 Abbreviations

    Appendix 1 Abbreviations Amplify, amplifier Antenna Automatic power control Band-pass filter CTCSS Continuous tone control squelch system Digital code squelch DEMOD Demodulation E2PROMElectrically Erasable Programmable Read-Only Memory High-pass filter Instantaneous deviation control Intermediate frequency Light-emitting diode Low-noise amplifier Low-pass filter Micro control unit Microphone Modulation...

  • Page 31: Appendix 2 Material List (Electronic Part)

    Appendix 2 Material List (Electronic Part) Table 1 Material List of Main Board DP485-02 (400~470 MHz) Material NO. Material Name Specification Position 3CE3-CZ35-F 3.5mm Material NO.: PJ-3511-0; J600 earphone socket 4-pin, with switch, lead free 3SE3-ED08E42 Power encoder ED08E42S-FE15C7.0-A16 S-FE15C7...
  • Page 32 Material NO. Material Name Specification Position 0-103K chip capacitor 115,C12,C17,C32 6,C327,C328,C32 9,C529,C539,C54 0,C42,C49,C612 2CC1-10-X7R16 R multi-layer 1005,100nF±10%,16V,X7 C101,C111,C114, 0-104K chip capacitor C117,C5,C13,C18 ,C346,C15,C22,C 33,C43,C46,C604 ,C609,C616 2RS1-10-155J Chip resistor 1005,1.5M±5% C109 2CC1-10-X7R50 R multi-layer 1005,1000P±10%,50V,X7 C120,C124,C526, 0-102K chip capacitor C536,C573,C581, C31,C93,C94,C9 5,C96,C98,C613, C614 1DR1-1SR154-4...
  • Page 33 Material NO. Material Name Specification Position resistor 2RS1-10-104J R chip resistor 1005,100K±5% R107,R526 2RS1-10-102J R chip resistor 1005,1K±5% R108,R3,R50,R2 36,R237,R238,R2 39,R6,R10,R502, R539,R544,R545, R547,R551,R560, R623 2CC1-10-X7R16 R multi-layer 1005,33nF±10%,16V,X7R C99,C100,C125, 0-333K chip capacitor C583 2CC1-10-X5R10 R multi-layer 1005,470nF±10%,10V,X5 C105,C126,C127, 0-474K chip capacitor R61,R62 6SS1-4320-HL1 SMD module...
  • Page 34 Material NO. Material Name Specification Position -102 2,L13,L14,L15,L1 6,L17,L18,L19,L2 0,L21,L22,L23,L2 4,L25,L26,L27,L2 2RS1-16-220J R chip resistor 1608,22Ω±5% R2,R5 2RS1-10-683J R chip resistor 1005,68K±5% 2RS1-10-822J R chip resistor 1005,8.2K±5% 2RS1-10-153J R chip resistor 1005,15K±5% R23,R512,R542 2RS1-10-473J R chip resistor 1005,47K±5% R77,R78,R79,R8 0,R240,R241,R24 2,R243,R265,R26 6,R267,R268,R50 1,R508,R513,R54...
  • Page 35 Material NO. Material Name Specification Position 00-200J chip capacitor 2CC1-10-C0G5 R multi-layer 1005,6P±0.25P,50V,C0G C520,C561 00-6R0C chip capacitor 2CC1-10-X7R50 Multi-layer chip 1005,4700P±10%,50V,X7 C527 0-472K capacitor 2CC1-10-X7R16 R multi-layer 1005,8200P±10%,16V,X7 C545 0-822K chip capacitor 2CC1-10-X7R50 R multi-layer 1005,15nF±10%,50V,X7R C547 0-153K chip capacitor 2CC1-10-C0G5 R multi-layer 1005,47P±5%,50V,C0G...
  • Page 36 Material NO. Material Name Specification Position 2CC1-20-X7R50 Multi-layer chip 2012,470P±10%,50V,X7R L520 0-471K capacitor 1TF1-RD07MUS ER SMD field Brand: Mitsubishi; Q500 2B-501 effect transistor RD07MUS2B-T512; tray package; lead free 1TF1-RD01MUS ER SMD field Brand: Mitsubishi; Q501 2-501 effect transistor RD01MUS2-T513; tray package;...
  • Page 37 Material NO. Material Name Specification Position 1DS1-1SS372 SMD switch Dual diodes diode 1DR1-ESD9B5 TVS diode ESD9B5.0ST5G, 5V, D18,D19 SOD923, lead free 3CF1-SMT-4P SMT connector Spacing 1.25mm, 4-pin 1TT1-2SC4116- R SMD 2SC4116-GR transistor 1TT1-2SA1586 R SMD 2SA1586 Q605 transistor 2RS1-10-333J R chip resistor 1005,33K±5% R18,R31,R616,R 2RS1-10-392J...
  • Page 38 Table 2 Material List of Main Board DP485-01 (136-174 MHz) Material NO. Material Name Specification Position DP480-02_MAINBOARD_171215,1.0 6PM7-4237-HMC Main PCB MM, 106X47MM, 4-layer, FR-4, lead free Copper-Nickel-Zinc alloy, 0.2 mm 7MDC-4207-02A-W GPS shield cover thick, heteromorphic, 33*13.05*3, lead free Automatic power control (APC) shield Copper-Nickel-Zinc alloy, 0.2 mm...
  • Page 39 Material NO. Material Name Specification Position W2T1G 3FW1-42932-3023 (SC)429003/433003/466003,3216,3A/ R SMD fuse F100 1IS1-XC6204B502 SMD voltage regulator IC 5V, SOT-23-5 IC100 MP2359,6PIN,1.2A 1IS1-MP2359 SMD switch power supply IC IC102 24V,1.4MHz,TSOT-23-6 Shrapnel 7.5 mm 7MHP-4002-01C-W TD7700 Battery connector high,BC-2P-4.1PH-6.8H 1608,BLM11A601S/BLM18AG601S(0 L30,L100,L104,L105,L300,L515,L521, 5FE1-BLM11A601S R SMD EMI filter 138-05)
  • Page 40 Material NO. Material Name Specification Position R43,R45,R46,R47,R71,R72,R167,R1 1,R26,R251,R252,C558,C560,C569, 2RS1-10-000O R chip resistor 1005,0Ω C570,C577,R516,R555,C48,C53,R7, R20,R32,R82,R83,R88,R624,C75,C8 0,R76,R101,R112,R171 2RS1-10-332J R chip resistor 1005,3.3K±5% R56,R81 1IM1-LTS1901A-D Encryption Encryption IC P405 chip,LTS1901A-DP405,lead free MCP4802, for 1IS1-MCP4802-A D/A converter IC DP585/415/405/515/480 radio 2CC1-10-C0G500- R multi-layer chip capacitor 1005,100P±5%,50V,C0G C24,C324,C325 101J...
  • Page 41 Material NO. Material Name Specification Position 3ST1-SKRTLBE01 R SMD tact switch SKRTLBE010,4.5*3.55*3.3mm(ALPS) SMD universal logic IC 1ID1-MXD2020ML MXD2020ML,LCC-8,lead free (accelerometer) 2CC1-10-X7R500-2 R multi-layer chip capacitor 1005,270P±10%,50V,X7R 2CC1-10-X7R160-4 R multi-layer chip capacitor 1005,47nF±10%,16V,X7R C40,C16 2CC1-10-C0G500- R multi-layer chip capacitor 1005,47P±5%,50V,C0G C73,C54 470J 2CC1-10-C0G500- R multi-layer chip capacitor...
  • Page 42 Material NO. Material Name Specification Position 220J 2CC1-10-C0G500- R multi-layer chip capacitor 1005,0.75P±0.1P,50V,C0G C519 R75B 2CC1-10-C0G500- R multi-layer chip capacitor 1005,12P±5%,50V,C0G C520 120J 2CC1-10-C0G500- R multi-layer chip capacitor 1005,39P±5%,50V,C0G C521 390J 2CC1-10-X7R500-4 Multi-layer chip capacitor 1005,4700P±10%,50V,X7R C526 2CC1-16-C0G500- R multi-layer chip capacitor 1608,12P±5%,50V,C0G C534 120J...
  • Page 43 Material NO. Material Name Specification Position φ1.5, 3-wind, pin height 0.5mm, forward winding 2LH1-R301R5-L05- Wire diameter φ0.30, inner diameter R SMD air core inductor φ1.5, 5-wind, long pin, reverse winding 2LH1-R301R5-R07 wire diameter φ 0.30, inner diameter φ R SMD air core inductor L501,L505 1.5, 7-wind, forward winding, long pin 2LH1-R301R5-L06-...
  • Page 44 Material NO. Material Name Specification Position 2RE1-16-2203 Precise SMD resistor 1608,220K±1% 2RS1-10-470J R chip resistor 1005,47Ω±5% R500 2RS1-10-682J R chip resistor 1005,6.8K±5% R503 2CC1-10-C0G500- R multi-layer chip capacitor 1005,15P±5%,50V,C0G R504 150J 2RS1-16-271J R chip resistor 1608,270Ω±5% R505,R515 2RS1-10-152J R chip resistor 1005,1.5K±5% R507 2RS1-10-563J...
  • Page 45 Material NO. Material Name Specification Position 2RS1-10-392J R chip resistor 1005,3.9K±5% R24,R632 2RS1-10-223J R chip resistor 1005,22K±5% 2RS1-10-564J R chip resistor 1005,560K±5% 2RS1-10-101J R chip resistor 1005,100Ω±5% 2RS1-10-821J R chip resistor 1005,820Ω±5% 2RS1-10-474J R chip resistor 1005,470K±5% 2RS1-10-4R7J R chip resistor 1005,4.7Ω±5% R84,R85 2RS1-10-562J...
  • Page 46 Material NO. Material Name Specification Position M,lead free 1IS1-LTS1901A-DP License fee of Encryption IC License fee of encryption chip 1IS1-LTS1901A-DP405; 2RE1-10-2202 Precise SMD resistor 1005,22K±1% Table 3 Material List of Module Board LT1901 Material NO. Material Name Specification Position 2CC1-10-X7R500-102K multi-layer chip 1005,1000P±10%,50V,X7R...
  • Page 47 2RS1-10-000O R chip resistor 1005,0Ω R3,R7,R150,R559,B1,B3,B4,B5 ,R1,R2,R5,R12,R15,R16,R6,R4 6,R85,R98,R143 2RS1-10-102J R chip resistor 1005,1K±5% R4,R83 2RS1-10-304J R chip resistor 1005,300K±5% 2RS1-10-103J R chip resistor 1005,10K±5% R23,R24,R25,R27,R50,R74,R7 5,R76,R81,R14 5XT1-MC146-32R76K SMD ceramic resonato 32.768KHZ,MC-146,12.5PF,20PPM,lead free X301 5OT1-26R0-HHL-0303 Temperature compensated 26MHz±2ppm, -30 ℃ ~+85 ℃ , 2.8V, 3.2*2.5, crystal oscillator Xiamen Yixin, lead free 2RS1-10-822J...

  • Page 48: Appendix 3 Material List (Structural Section)

    Appendix 3 Material List (Structural Section) Material NO. Material Name Specification 7MHP-4182-01A-W0 Volume knob (cover die 1) PC1414,black,etched,oiled gray 7MHP-4182-02A-W0 Encoding knob (cover die 2) PC1414,black,etched,oiled gray 7MHP-4207-03A-W0 Top cover (cover die 1) PC1414;black 7MHR-4207-01A-W3 Waterproof ring Silica gel, pantone 172C, hardness 40±5° 7MHR-4182-01A-W0 Discharge waterproof pad Hardness 30°, silica gel, orange PT172C...
  • Page 49 Material NO. Material Name Specification Brass, inner diameter 6mm, outer diameter φ 9mm, 7MHC-4072-01A-W STP knob nut 2.4mm thick 7MHS-4072-08A-W STP knob circlip Stainless steel, T=0.3, original color DP586_PTT_1600707, 0.8mm thick, FR-4, 52X10mm, 6PD7-4207-HPB PTT key board 2-layer 7MHS-4207-03A-W Metal dome array of PTT key SUS301, Φ5mm, four-point metal dome Cross round-and-mushroom...
  • Page 50 Material NO. Material Name Specification 7MHR-4253-01A-W3 Waterproof ring of earphone cover Silica gel; hardness: 40°, orange 7MJS-4038-01A-W0 Spindle S760 SUS304, original color, lead free Material: silica gel, hardness 40°, orange, no surface 7MHR-1727-09A-W3 Hand microphone case treatment 7MHR-4207-03B-W0 Silicon PTT key Silica gel, black, hardness 60±5°...

  • Page 51: Appendix 4 Accessories

    Appendix 4 Accessories Accessory Radio Charger Power adapter Charger Battery Belt clip + screws Battery Belt clip Antenna Strap Certificate of Quality Power Antenna Strap User Manual Adapter...

  • Page 52: Appendix 5 Schematic Diagrams And Layout Drawings

    Appendix 5 Schematic Diagrams and Layout Drawings Schematic Diagrams of Main Board DP485-02 (400~470 MHz)

  • Page 58: Schematic Diagrams Of Main Board Dp485-01 (136-174 Mhz)

    Schematic Diagrams of Main Board DP485-01 (136-174 MHz)

  • Page 64: Top-Layer Layout Drawing Of Main Board Dp485

    Top-Layer Layout Drawing of Main Board DP485 Bottom-Layer Layout Drawing of Main Board DP485 Schematic Diagrams of Module Board LT1901...

  • Page 71: Layout Drawing Of Module Board Lt1901

    Layout Drawing of Module Board LT1901...

Table of Contents

Save PDF