Kirisun DP485 Service Manual
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Kirisun DP485 Service Manual

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Professional wireless communication system solution supplier
DP485
SERVICE MANUAL
Kirisun Communications Co.,Ltd.
V220927

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Summary of Contents for Kirisun DP485

  • Page 1 Professional wireless communication system solution supplier DP485 SERVICE MANUAL Kirisun Communications Co.,Ltd. V220927...

  • Page 2: Table Of Contents

    DP485 Service Manual Contents 1. Overview ..............................1 1.1. Range of Application ..........................1 1.2. Safety Precaution ..........................1 1.3. Maintenance Service ..........................1 2. External View and Keys ..........................2 2.1. External View ............................2 2.2. Programmable Keys ..........................3 2.3.
  • Page 3 DP485 Service Manual 7. Debugging ..............................27 7.1. Debugging Method ..........................27 7.1.1. Components needed for adjustment ....................27 7.1.2. PC Test Mode Modulation Method ....................27 7.2. Radio Test ............................28 8. General Specification ..........................29 9. Equipment for Maintenance and Test ..................... 30 10.

  • Page 4: 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: External View And Keys

    DP485 Service Manual No provision of a valid warranty card or an original invoice ⚫ Malfunction due to unpermitted disassembly, repair or modification ⚫ Damage of the product due to wear, mechanical damage, burn or inlet of water ⚫ Damaged product SN. or unidentifiable brand ⚫...

  • Page 6: Programmable Keys

    DP485 Service Manual signals. PTT Key Microphone Press it to make a call and talk. Input voice. External Interface Programmable Key (Usually Alarm Key) Connect to an external earphone or programming cable. Speaker Belt Clip Output voice. Channel Knob Rotate it to select one from the channels Battery Latch 1 to 16.

  • Page 7: Led Indicator

    DP485 Service Manual Programming Function Description Function Under analogue channel, open voice reception path to receive weak signals. Squelch On/Off Under digital channel, no response when this key is pressed. Zone Selection Switch to next zone. Scan Start/stop scanning other channels and receive traffic from them.

  • Page 8: Basic Operation

    DP485 Service Manual 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 9: Circuit Description

    DP485 Service Manual 4.Circuit Description 4.1.Circuit Diagram of Main Board HS8851 4.2.RF Circuit Diagram...

  • Page 10: Baseband Circuit Diagram

    DP485 Service Manual 4.3.Baseband Circuit Diagram HS8851 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 11: Rx Circuit

    DP485 Service Manual from DAC at the second operational amplifier, and the error voltage that is output will change the transmitting power through the grid bias voltage of the control power amplifier tube (including the drive level and final level).

  • Page 12: Ic Description

    DP485 Service Manual 3C: Transistor X500 (12.8M TCXO) 5T: RF Pre-drive Amplifier Circuit Q502 (2SC5108), Q503 (2SC3356) DC-DC: PMU IC1 (HS8851), U500 (RDA1846S) 4.7.IC Description 4.7.1.Features of AT1846S a. Integrated CMOS RF front-end b. High linearity low-noise amplifier and mixer c.

  • Page 13: Port Description Of At1846S

    DP485 Service Manual 4.7.2.Port Description of AT1846S AVDD Power supply SCLK Clock input for serial control bus SDIO Data input/output for serial control bus AVDD Power supply XTAL1 Oscillator pin 1 XTAL2 Oscillator pin 2,control interface select When MODE = VL, I2C Interface is select; When MODE = VH, SPI Interface is...

  • Page 14: Port Description Of Master Chip Hs8851

    DP485 Service Manual GPIO7 Gpio7/vox (When Gpio7=VH, vox is active; else VL) Gpio6 / sq GPIO6 (When Gpio6=VH, sq is active; else VL) Gpio5 / txon GPIO5 (When Gpio5=VH, txon is active; else VL) Gpio4 / rxon GPIO4 (When Gpio4=VH, rxon is active; else VL)
  • Page 15 DP485 Service Manual PIN NO. Port NO. Port Name Function GPIO_D99 KEYPAD3 4*4 keys GPIO_D100 MAND_C IC power supply control under Man Down state AA18 GPIO_D22 EXT_PTT External PTT GPIO_D98 KEYPAD2 4*4 keys GPIO_D96 KEYPAD0 4*4 keys GPIO_D13 KEYPAD7 4*4 keys...
  • Page 16 DP485 Service Manual PIN NO. Port NO. Port Name Function BATTERY Access of clock to button cell battery SINK1 SINK2 GPIO_D88 I2C_SDA EEPROM VOUT_D2 PMU_3M output GPIO_D87 I2C_SCL EEPROM GPIO_D49 GPIO_D51 AFCO1 Audio power amplifier MUTE GPIO_D48 VOUT_D3 PMU_3M output...
  • Page 17 DP485 Service Manual PIN NO. Port NO. Port Name Function GPIO_D19 NC_GPIO GPIO_D20 ECO_0 Channel switch GPIO_D17 RED_LED Red LED control AUX_OUTP SPK+ Audio output after demodulation by HS8851 AUX_OUTN SPK- Transmit to HS8851 after reception and M_MICP AFDET demodulation by AT1846S...

  • Page 18: Feature Description Of Semiconductor Devices

    DP485 Service Manual 4.7.4.Feature Description of Semiconductor Devices Component NO. Model Description IC500 NJM2904 APC, voltage comparison, drive HS8851 IC200 24LC512 E2PROM, saves channel frequency data, feature parameters and modulation parameters TDA8547TS Receiver audio power amplification Q500 RD07S2B TX final power amplification...

  • Page 19: Scan

    DP485 Service Manual Remote Monitor When the radio receives Remote Monitor command, it will automatically turn on the transmitting and the monitoring party can listen to the surroundings around the monitored radio. 5.2.Scan Enabling Scan Press the Scan programmable key to enable Scan and listen to activities on other channels. Press Scan key again to exit Scan.

  • Page 20: Tot (Time-Out-Timer)

    DP485 Service Manual 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. The higher the squelch level is, the more noise interference there will be and the harder to receive weak signals.

  • Page 21: 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 Vx.xx developed by Kirisun. It is user-friendly and easy to operate, and supports Chinese and English.

  • Page 22: Upgrade

    DP485 Service Manual parameters will be read. Step 7.In the software interface, modify parameters, select Program → Write Data. In the prompted dialog box, click Write. The radio parameters will be written. 5.8.Upgrade To upgrade the radio program using the software, take the following steps.

  • Page 23: Assembly And Disassembly

    DP485 Service Manual Step 5.Click Start to start loading, and the message “Waiting” will be displayed. Click to start upgrade. Step 6.Make sure the programming cable is connected to the radio, and rotate the Power/Volume Knob to power on the radio. Upgrading will be started automatically.

  • Page 24: Installing And Uninstalling The Antenna

    DP485 Service Manual Step 2.Align the battery with the battery holder at the back of the radio, and then insert the battery. (Figure ②) Step 3.Push the battery in the direction indicated until the latch is in position. (Figure ③) Step 4.Press the upper part of the battery until it is latched.

  • Page 25: Installing And Uninstalling Belt Clip

    DP485 Service Manual 6.3.Installing and Uninstalling Belt Clip To install the belt clip, align the two screw holes on the belt clip with the two at the back of the radio, and fasten the clip using two 2.5*8 machine screws.

  • Page 26: Detaching Shell From The Base

    DP485 Service Manual 6.5.Detaching Shell from the Base Step 1. Detach the antenna. Step 2.Detach the two knobs and circlips. Step 3.Detach the two knob nuts and antenna nut. Step 4.Detach the two screws fastening the belt clip. Step 5.Insert the blade of a straight screwdriver into the battery slot of the aluminum-alloy holder, and prise the holder upwards until it goes up.

  • Page 27: Explosion Diagram

    DP485 Service Manual Note: To protect the welding of the PTT PCB, please take down the board gently. After disassembly, repair and modulation can then be performed. 6.7.Explosion Diagram Material Code Material Name Specification PC1414, black, etched, screen 7MHP-4253-01A-W0 Top shell...
  • Page 28 DP485 Service Manual Material Code Material Name Specification 7MHP-4207-06A-W0 Side key cap (down) PC1414, black, etched 7MHP-4253-02A-W8 Top shell cover PC1414, gray, etched Black PVCC, grayish white text, 7PLJ-4230-E01B Trademark sticker 42.0*7.0mm 7GCB-445285-W0A Speaker dust screen Nylon net, 44.5*28.5mm*0.1mm 7MHP-4207-04A-W0...
  • Page 29 DP485 Service Manual Material Code Material Name Specification Main board Cross recessed Hardened iron 1018, Φ 2.0*3.7 7SMF-020037M-SZC countersunk-head mm, nickel plated machine screw SUS301, Φ5mm, four-point metal Metal dome array of 7MHS-4207-03A-W PTT key dome Heat-conducting Silica gel, black, 3*6*9mm,...

  • Page 30: Debugging

    DP485 Service Manual Material Code Material Name Specification blasting + paint spraying Highland barley paper, 7MHZ-1731-01A-J5 Insulative paper single-sided adhesive, 18*8*0.2 mm (L*H*D) hand microphone Material: silicon rubber, hardness 7MHR-1727-09A-W3 case 40° , orange 7.Debugging 7.1.Debugging Method During the repair, if the components are changed, you need to test and adjust the technical specification.

  • Page 31: Radio Test

    DP485 Service Manual b. RF signal is set to -123dBm, modulated frequency deviation to 3.0kHz/1.5kHz (wide/narrow ban). Under computer mode (SQL off, narrow/wide band) (five frequencies), click Ok when the value is stable. 7.2.Radio Test (1) Voltage used in test: 7.5V +/-0.1V room temperature...

  • Page 32: General Specification

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

  • Page 33: Equipment For Maintenance And Test

    DP485 Service Manual 9.Equipment for Maintenance and Test 1. Wireless general-purpose tester HP8920/8921 2. Digital multimeter 3. Regulated DC power supply 10.Troubleshooting Failure Description Troubleshooting A. Check the battery. If it is low, charge or replace it. Startup fails B. The Power key does not work well. Replace the key.

  • Page 34: Appendix 1 Abbreviations

    DP485 Service Manual Appendix 1 Abbreviations Amplify, amplifier Antenna Automatic power control Band-pass filter CTCSS Continuous tone control squelch system Digital code squelch DEMOD Demodulation E2PROM Electrically Erasable Programmable Read-Only Memory High-pass filter Instantaneous deviation control Intermediate frequency Light-emitting diode...

  • Page 35: Appendix 2 Material List (Electronic Part)

    DP485 Service Manual Appendix 2 Material List (Electronic Part) Table 1 Material List of Main Board 400~470MHz Material Code Material Name Specification Position Material NO.: PJ-3511-0; 4-pin, 133C07000002 3.5mm earphone socket J600 with switch, lead free 3CE3-ST-2004 2.5mm earphone socket...
  • Page 36 DP485 Service Manual ROHM,1SS390,1.6mm*0.8mm 1DS1-1SS390 SMD switch diode D502,D503 *0.6mm,-55℃ to 125℃ ROHM,RN142S,1.6mm*0.8m 1DS1-RN142S SMD switch diode D500,D501 m*0.6mm,-55℃ to 150℃ memsic,MXD2020ML,LCC-8， SMD universal logic IC 1ID1-MXD2020ML 5.0mm*5.0mm*1.99mm,-40℃ (accelerometer) to 105℃ JRC,NJM2904V,SSOP-8,-40℃ 1IL1-NJM2904V R SMD linear IC IC500,IC302 to 85℃...
  • Page 37 DP485 Service Manual Stanson,ST2301,SOT-23-3L,-~ 1TF1-ST2301 SMD field effect transistor Q20,Q600 150℃ TOSHIBA,2SA1586,SC-70,-~1 1TT1-2SA1586 SMD triode Q605 25℃ TOSHIBA,2SC4116-GR,SOT-3 1TT1-2SC4116-GR SMD triode 23/SC-70,-~125℃ TOSHIBA,2SC5108-Y,2-2H1A, 1TT1-2SC5108-Y SMD triode Q502 -~125℃ ROHM,DTC144EE,EMT3,-~15 1TT1-DTC144EE SMD triode Q103,Q1,Q3,Q200,Q201,Q4,Q7,Q10,Q606 0℃ KEC,KTA1298-Y,SOT-23,-~15 1TT1-KTA1298-Y SMD triode Q102 0℃...
  • Page 38 DP485 Service Manual Multi-layer chip capacitor MURATA,GRM1555C1H330JA 2CC1-10-C0G500-33 01D,33,pF,± C512,C521 5%,50V,0402,C0G Multi-layer chip capacitor MURATA,GRM1555C1H470JA 2CC1-10-C0G500-47 01D,47,pF,± C558,C560,C54 5%,50V,0402,C0G Multi-layer chip capacitor MURATA,GRM1555C1H6R0C 2CC1-10-C0G500-6R A01D,6,pF,± C520,C561 0.25pF,50V,0402,C0G Multi-layer chip capacitor MURATA,GRM1555C1H6R8C 2CC1-10-C0G500-6R A01D,6.8,pF,± 0.25pF,50V,0402,C0G Multi-layer chip capacitor MURATA,GRM155R61A474K 2CC1-10-X5R100-47 C105,C126,C127,R61,R62,C313,C314,C316,C31 E15D,470,nF,±...
  • Page 39 DP485 Service Manual MURATA,GRM155R71H102K 2CC1-10-X7R500-10 C120,C124,C526,C536,C573,C581,C31,C93,C94, Multi-layer chip capacitor A01D,1,nF,± C95,C96,C98,C613,C614 10%,50V,0402,X7R MURATA,GRM155R71H103K 2CC1-10-X7R500-10 C61,C110,C112,C115,C12,C17,C57,C58,C326,C3 Multi-layer chip capacitor A88D,10,nF,± 27,C328,C329,C529,C539,C540,C42,C49,C612 10%,50V,0402,X7R MURATA,GRM155R71H153K 2CC1-10-X7R500-15 Multi-layer chip capacitor A12D,15,nF,± C547,C545 10%,50V,0402,X7R MURATA,GRM155R71H271K 2CC1-10-X7R500-27 Multi-layer chip capacitor A01D,270,pF,± 10%,50V,0402,X7R C55,C102,C104,C113,C118,C122,C14,C7,C8,C9, C10,C11,C64,C65,C66,C67,C230,C231,C232,C23 murata,GRM155R71H471KA0 2CC1-10-X7R500-47...
  • Page 40 DP485 Service Manual murata,GRM1885C1H121JA0 2CC1-16-C0G500-12 Multi-layer chip capacitor 1D,120,pF,± C511 5%,50V,1608,C0G murata,GRM1885C1H2R0BA0 2CC1-16-C0G500-2R Multi-layer chip capacitor 1D,2,pF,± C504,C505 0.1pF,50V,1608,C0G murata,GRM1885C1H2R0CA0 2CC1-16-C0G500-2R Multi-layer chip capacitor 1D,2,pF,± C514 0.25pF,50V,1608,C0G murata,GRM1885C1H2R4BA0 2CC1-16-C0G500-2R Multi-layer chip capacitor 1D,2.4,pF,± C534,C513 0.1pF,50V,1608,C0G 2CC1-16-C0G500-33 murata,GRM1885C1H330JA0 Multi-layer chip capacitor C501 1D,33,pF,±5%,50V,1608,C0G...
  • Page 41 DP485 Service Manual 10%,6.3V,2012,X7R murata,GRM21BF51C106ZE1 2CC1-20-Y5V160-10 C28,C47,C103,C108,C119,C123,C20,C39,C91,C1 Multi-layer chip capacitor 5L,10,uF,+80%/-20%,16V,2012 06,C582,C86,C615,C312,C315,C606 ,Y5V 2LG1-VLS3012ET-10 TDK,VLS3012ET-100M,10,uH, SMD power inductor L107 ±20%,3*3*1.2 2LH1-R401R5-R03-0 SMD air core inductor E20.40*1.5*3TL L500,L501,L503 2LH1-R401R5-R04-0 SMD air core inductor E20.40*1.5*4TL L502,L505 2LH1-R401R5-R08-0 SMD air core inductor E20.40*1.5*8TL...
  • Page 42 DP485 Service Manual sagami,C1608CB-15NJ,15,nH, 2LW1-16UC-150J SMD wire wound inductor ±5%,1608 sagami,C1608CB-18NJ,18,nH, 2LW1-16UC-180J SMD wire wound inductor ±5%,1608 murata,LQW2BHNR22J03L,22 2LW1-20UC-221J SMD wire wound inductor L508 0,nH,±5%,2012 2012,8.2nH±5%, 2LW1-20UC-8R2J SMD wire wound inductor (C2012C-8N2J) 2RE1-10-1003 SMD precision resistor 1005,100K±1% R105,R107 YAGEO,RC0402FR-0716K2L, 2RE1-10-1602...
  • Page 43 DP485 Service Manual yageo,RC0402JR-0710RL,10, 2RS1-10-100J Chip resistor R66,R244,R559 Ω,±5%,0402 yageo,RC0402JR-07100RL,10 2RS1-10-101J Chip resistor 0,Ω,±5%,0402 R108,R3,R50,R60,R236,R237,R238,R239,R6,R1 yageo,RC0402JR-071KL,1K 2RS1-10-102J Chip resistor 0,R502,R539,R544,R545,R547,R551,R560,R623, Ω,±5%,0402 R340 yageo,RC0402JR-0710KL,10, R103,R110,R1,R48,R52,R53,R55,R57,R58,R59,R 2RS1-10-103J Chip resistor KΩ,±5%,0402 68,R70,R245,R601,R614,R172,R173,C611,R86 yageo,RC0402JR-07100KL,10 2RS1-10-104J Chip resistor 0,KΩ,±5%,0402 yageo,RC0402JR-071ML,1,M 2RS1-10-105J Chip resistor Ω,±5%,0402 yageo,RC0402JR-071K5L,1.5,...
  • Page 44 DP485 Service Manual yageo,RC0402JR-073KL,3,K 2RS1-10-302J Chip resistor Ω,±5%,0402 yageo,RC0402JR-0733RL,33, 2RS1-10-330J Chip resistor R510 Ω,±5%,0402 yageo,RC0402JR-073K3L,3.3, 2RS1-10-332J Chip resistor R56,R81 KΩ,±5%,0402 yageo,RC0402JR-0733KL,33, 2RS1-10-333J Chip resistor R65,R67,R18,R31,R616,R617 KΩ,±5%,0402 yageo,RC0402JR-073K9L,3.9, 2RS1-10-392J Chip resistor R24,R632 KΩ,±5%,0402 yageo,RC0402JR-0739KL,39, 2RS1-10-393J Chip resistor R631 KΩ,±5%,0402 yageo,RC0402JR-0747RL,47, 2RS1-10-470J...
  • Page 45 DP485 Service Manual yageo,RC0402JR-075K6L,5.6, 2RS1-10-562J Chip resistor R613 KΩ,±5%,0402 yageo,RC0402JR-0756KL,56, 2RS1-10-563J Chip resistor R509,R38 KΩ,±5%,0402 yageo,RC0402JR-07560KL,56 2RS1-10-564J Chip resistor 0,KΩ,±5%,1005 yageo,RC0402JR-076K8L,6.8, 2RS1-10-682J Chip resistor R503 KΩ,±5%,1005 yageo,RC0402JR-07820RL,82 2RS1-10-821J Chip resistor 0,Ω,±5%,1005 yageo,RC0603JR-070RL,0,Ω, 2RS1-16-000O Chip resistor R96,R97,L8,L6,L33,L510,R9,R519,R49,R90 ±5%,1608 yageo,RC0603JR-0710KL,10, 2RS1-16-103J Chip resistor KΩ,±5%,1608...
  • Page 46 DP485 Service Manual 0.5-3-30P,lower flip 3CF1-BL112-30RU SMD FFC/FPC connector J201 connector,H=2.0 SMT connector, DP408 1.25mm 4PIN,1.25mm 3CF1-SMT-4P specific 4PIN,-25°C to 85°C Littelfuse,0805L035,0603,-40 3FW1-0805L035 SMD fuse C85,C605 to +85℃ littelfuse,429003/433003/4660 3FW1-42932-302320 SMD fuse F100 03,3216,3A/32V ALPS,SKRTLBE010,4.5*3.55* 3ST1-SKRTLBE010 SMD tact switch 3.3mm,-40 to +90℃...
  • Page 47 DP485 Service Manual al color,0.2mm thick,33*13.05*3 Automatic power control Copper-Nickel-Zinc alloy, 7MDC-4207-03A-W (APC) shield cover 21.3*11.45*2.2mm Copper-Nickel-Zinc alloy, Power shield cover original color, 0.2mm thick, 7MDC-4207-04A-W 16.2*15.1*2.3 7MHP-4002-01C-W Battery connector BC-2P-4.1PH-6.8H High-temperature barcode 25*6 mm 7PLJ-025006-T01A sticker Lead 9FSX-LF-RMAF8F2 Solder paste free,HF-RD8F2,Sn96.5-Ag3.0-...
  • Page 48 DP485 Service Manual Table 2 Material List of Main Board 137~174MHz Material Code Material Name Specification Position Material NO.: PJ-3511-0; 4-pin, with 133C07000002 3.5mm earphone socket J600 switch, lead free 3CE3-ST-2004 2.5mm earphone socket SI-2004, 4mm high, lead free J601 PT118D #encoder switch ED08C03O-FE18C9.0-A16-1002,...
  • Page 49 DP485 Service Manual SMD switch diode ROHM,1SS390,1.6mm*0.8mm*0.6 1DS1-1SS390 D502,D503 mm,-55℃ to 125℃ SMD switch diode ROHM,RN142S,1.6mm*0.8mm*0.6 1DS1-RN142S D500,D501 mm,-55℃ to 150℃ memsic,MXD2020ML,LCC-8， SMD universal logic IC 1ID1-MXD2020ML 5.0mm*5.0mm*1.99mm,-40℃ to (accelerometer) 105℃ JRC,NJM2904V,SSOP-8,-40℃ to 1IL1-NJM2904V R SMD linear IC IC500,IC302 85℃...
  • Page 50 DP485 Service Manual 1TF1-RD07MUS2B-5 MITSUBISHI,RD07MUS2B-501,SL SMD field effect transistor Q500 P,-~150℃ Stanson,ST2301,SOT-23-3L,-~150 1TF1-ST2301 SMD field effect transistor Q600,Q20 ℃ 1TT1-2SA1586 SMD triode TOSHIBA,2SA1586,SC-70,-~125℃ Q605 TOSHIBA,2SC4116-GR,SOT-323/S 1TT1-2SC4116-GR SMD triode C-70,-~125℃ TOSHIBA,2SC5108-Y,2-2H1A,-~12 1TT1-2SC5108-Y SMD triode Q502 5℃ Q103,Q200,Q201,Q4,Q7,Q10,Q606, 1TT1-DTC144EE SMD triode ROHM,DTC144EE,EMT3,-~150℃...
  • Page 51 DP485 Service Manual ,150,pF,±5%,50V,0402,C0G 2CC1-10-C0G500-1R MURATA,GRM1555C1H1R0CA01 Multi-layer chip capacitor D,1,pF,±0.25pF,50V,0402,C0G 2CC1-10-C0G500-2R MURATA,GRM1555C1H2R0BA01 Multi-layer chip capacitor D,2,pF,±0.1pF,50V,0402,C0G 2CC1-10-C0G500-2R SU,MURATA,GRM1555C1H2R5BA Multi-layer chip capacitor C60,C69,C70,C71 01D,2.5pF,±0.1pF,50V,0402,C0G 2CC1-10-C0G500-39 MURATA,GRM1555C1H390JA01D Multi-layer chip capacitor C521 ,39,pF,±5%,50V,0402,C0G 2CC1-10-C0G500-47 MURATA,GRM1555C1H470JA01D Multi-layer chip capacitor C73,C54 ,47,pF,±5%,50V,0402,C0G 2CC1-10-C0G500-6R MURATA,GRM1555C1H6R0CA01 Multi-layer chip capacitor C561 D,6,pF,±0.25pF,50V,0402,C0G...
  • Page 52 DP485 Service Manual 2CC1-10-X7R160-33 MURATA,GRM155R71C333KA01D Multi-layer chip capacitor C99,C100,C125,C583 ,33,nF,±10%,16V,0402,X7R 2CC1-10-X7R160-47 MURATA,GRM155R71C473KA01D Multi-layer chip capacitor C40,C16 ,47,nF,±10%,16V,0402,X7R 2CC1-10-X7R160-68 MURATA,GRM155R71C683KA88D Multi-layer chip capacitor ,68,nF,±10%,16V,0402,X7R 2CC1-10-X7R160-82 MURATA,GRM155R71C822KA01D Multi-layer chip capacitor C545 ,8.2,nF,±10%,16V,0402,X7R 2CC1-10-X7R250-22 MURATA,GRM155R71E223KA61D Multi-layer chip capacitor C584 ,22,nF,±10%,25V,0402,X7R 2CC1-10-X7R500-10 MURATA,GRM155R71H102KA01D C120,C124,C536,C581,C31,C93,C94 Multi-layer chip capacitor ,1,nF,±10%,50V,0402,X7R...
  • Page 53 DP485 Service Manual 2CC1-10-X7R500-47 MURATA,GRM155R71H472KA01D Multi-layer chip capacitor C526 ,4.7,nF,±10%,50V,0402,X7R 2CC1-10-Y5V160-10 murata,GRM155R61C105KA12D,1 C535,C38,C134,C136,C137,C138,C1 Multi-layer chip capacitor ,uF,+80%/-20%,16V,1005,Y5V 39,C140,C141,C142,C34 2CC1-16-C0G500-10 murata,GRM1885C1H102JA01D,1 Multi-layer chip capacitor C52,C97 000,pF,±5%,50V,1608,C0G 2CC1-16-C0G500-12 murata,GRM1885C1H120JA01D,1 Multi-layer chip capacitor C534 2,pF,±5%,50V,1608,C0G 2CC1-16-C0G500-13 murata,GRM1885C1H130JA01D,1 Multi-layer chip capacitor C504 3,pF,±5%,50V,1608,C0G 2CC1-16-C0G500-15...
  • Page 54 DP485 Service Manual 2CC1-16-C0G500-82 murata,GRM1885C1H820JA01D,8 Multi-layer chip capacitor C511 2,pF,±5%,50V,1608,C0G 2CC1-16-C0G500-8R murata,GRM1885C1H8R0DA01D,8 Multi-layer chip capacitor C513 ,pF,±0.5pF,50V,1608,C0G 2CC1-16-C0G500-9R murata,GRM1885C1H9R0DA01D,9 Multi-layer chip capacitor C505 ,pF,±0.5pF,50V,1608,C0G 2CC1-20-X7R500-47 yageo,CC0805KRX7R9BB471,470, Multi-layer chip capacitor L520 pF,±10%,50V,2012,X7R 2CC1-20-X7R6R3-47 murata,GRM219R6J475KE19D,4.7 Multi-layer chip capacitor C50,C51,C617 ,uF,±10%,6.3V,2012,X7R C28,C47,C103,C108,C119,C123,C20 2CC1-20-Y5V160-10...
  • Page 55 DP485 Service Manual SunLord,SDCL1608C27NJTDF,27, 2LL1-16-27NJB Multi-layer chip inductor L510 nH,±5%,1608 SunLord,SDCL1608C2N2STDF,2.2 2LL1-16-2N2SB Multi-layer chip inductor L504 ,nH,±0.3nH,1608 SunLord,SDCL1608C3N9STDF,3.9 2LL1-16-3N9SA Multi-layer chip inductor L34,L35 ,nH,±0.3nH,1608 SunLord,SDCL1608C8N2JTDF,8.2, 2LL1-16-8N2DA Multi-layer chip inductor nH,±0.5nH,1608 LQG18HNR10J00D,100nH,± 2LL1-16-R10JB Multi-layer chip inductor L509,L511 5%,1608, sagami,C1608CB-47NJ,47,nH,± 2LW1-16UC-470J SMD wire wound inducto...
  • Page 56 DP485 Service Manual yageo,RC0603FR-07150KL,150,K 2RE1-16-1503 SMD precision resistor R518,R525 Ω,±1%,0603 yageo,RC0603FR-07220KL,220,K 2RE1-16-2203 SMD precision resistor Ω,±1%,0603 R43,R45,R46,R47,R71,R72,R167,R1 1,R26,R251,R252,C558,C560,C569, yageo,RC0402JR-070RL,0,Ω,± C570,C577,R516,R555,C48,C53,R7, 2RS1-10-000O Chip resistor 5%,0402 R20,R32,R82,R83,R88,R624,C75,C8 0,R76,R101,R112,R171,R92,R340,R 21,(IC301 第 2,3 脚) yageo,RC0402JR-0710RL,10,Ω,± 2RS1-10-100J Chip resistor R244,R559,R66 5%,0402 yageo,RC0402JR-07100RL,100,Ω, 2RS1-10-101J Chip resistor ±5%,0402...
  • Page 57 DP485 Service Manual yageo,RC0402JR-071K8L,1.8,KΩ, 2RS1-10-182J Chip resistor R618 ±5%,0402 yageo,RC0402JR-0720KL,20,KΩ, 2RS1-10-203J Chip resistor R529 ±5%,0402 yageo,RC0402JR-0722RL,22,Ω,± 2RS1-10-220J Chip resistor R511 5%,0402 yageo,RC0402JR-07220RL,220,Ω, 2RS1-10-221J Chip resistor R249,R250 ±5%,0402 yageo,RC0402JR-072K2L,2.2,KΩ, 2RS1-10-222J Chip resistor R102,R246,R247 ±5%,0402 yageo,RC0402JR-0722KL,22,KΩ, 2RS1-10-223J Chip resistor ±5%,0402 yageo,RC0402JR-0733RL,33,Ω,± 2RS1-10-330J...
  • Page 58 DP485 Service Manual R77,R78,R79,R80,R240,R241,R242, yageo,RC0402JR-0747KL,47,KΩ, 2RS1-10-473J Chip resistor R243,R265,R266,R267,R268,R501,R ±5%,0402 508,R513,R540,R541,R557,R558 yageo,RC0402JR-07470KL,470,K 2RS1-10-474J Chip resistor Ω,±5%,0402 yageo,RC0402JR-074R7L,4.7,Ω, 2RS1-10-4R7J Chip resistor R84,R85 ±5%,0402 yageo,RC0402JR-07560RL,560,Ω, 2RS1-10-561J Chip resistor C578 ±5%,0402 yageo,RC0402JR-075K6L,5.6,KΩ, 2RS1-10-562J Chip resistor R613 ±5%,0402 yageo,RC0402JR-0756KL,56,KΩ, 2RS1-10-563J Chip resistor R509,R38 ±5%,0402...
  • Page 59 DP485 Service Manual yageo,RC0603JR-0733KL,33,KΩ, 2RS1-16-333J Chip resistor ±5%,1608 yageo,RC0603JR-0756RL,56,Ω,± 2RS1-16-560J Chip resistor L513 5%,1608 yageo,RC0805JR-070RL,0,Ω,± 2RS1-20-000O Chip resistor C337 5%,2012 yageo,RC1206JR-070R39L,0.39, 2RS1-32-R39J Chip resistor R520,R521,R522,R523 Ω,±5%,3216 0.5-3-30P,lower flip 3CF1-BL112-30RU SMD FFC/FPC connector J201 connector,H=2.0 SMT connector, DP408 1.25mm 4PIN,1.25mm 4PIN,-25°...
  • Page 60 DP485 Service Manual 5FE1-BLM21P300S SMD EMI filter murata,BLM21PG300SN1D,2012.0 L512,L514 FB1,FB17,FB20,FB41,L7,L9,L10,L11, 5FE1-CB100505-102 SMD EMI filter CB100505-102,1005.0 L12,L13,L14,L15,L16,L17,L18,L19,L2 0,L21,L22,L23,L24,L25,L26,L27,L28 Voltage controlled 5OT1-12R8-HHL-030 DSA321SCL,3.0V,12.8MHz± temperature compensated X500 2.5ppm,-30℃～+75℃,3225 crystal oscillator 6PM7-4237-HMC DP480-02 main PCB 106*47MM,1.0mm,4.0,FR4 Copper-Nickel-Zinc alloy,original 7MDC-4207-02A-W GPS shield cover color,0.2mm thick,33*13.05*3...
  • Page 61 DP485 Service Manual 61SL000015 Module HS8851 32.768KHz,+20.0-20.0,FC-135,Q13 Crystal resonator 135X02000005 FC13500002,7P,3.2mm*1.5mm,EP 9FSC0100001 Hardware version number :F Table 3 Material List of Module Board Material Code Material Name Specification Position DP405W_MODULE_V2.0,36.4X24.7,4-layer,1.0m 136P04000009 Multi-layer PCB ROHM,RB521S30,SOD-523,1.6mm*0.8mm*0.6m 1DR1-RB521S30 Schottky barrier diode D1,D2 m,-40℃ to 125℃...

  • Page 62: Appendix 3 Material List (Structural Section)

    DP485 Service Manual C4,C7,C19,C20,C21,C23,C24,C25,C2 2CC1-10-Y5V160-1 Multi-layer chip murata,GRM155R61C105KA12D,1,uF,+80%/-20% 6,C27,C29,C30,C31,C32,C33,C35,C0 capacitor ,16V,1005,Y5V 044,C153,C154,C42,C43 2CC1-16-X5R160-1 Multi-layer chip murata,GRM188R61C105KA12D,1,uF,± 10%,16V,1 C28,C39,C40 capacitor 608,X5R 2CC1-20-Y5V160-1 Multi-layer chip murata,GRM21BF51C106ZE15L,10,uF,+80%/-20 C1,C17,C18,C37,C38 capacitor %,16V,2012,Y5V 2RS1-10-000O Chip resistor yageo,RC0402JR-070RL,0,Ω,±5%,0402 R4,R68 2RS1-10-101J Chip resistor yageo,RC0402JR-07100RL,100,Ω,±5%,0402 R5,R6,R19 2RS1-10-102J Chip resistor yageo,RC0402JR-071KL,1KΩ,±5%,0402...
  • Page 63 DP485 Service Manual 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 7MHP-4253-04A-W0 Waterproof pad for earphone jack TPU, black, etched...
  • Page 64 DP485 Service Manual Material NO. Material Name Specification Φ40mm, H5mm, 16Ω, 1W, with microphone and 4-pin 157F04000003 Speaker terminal 4SM7-6027-A40C EM6027MP2.8-C,-20~60°C 7GCB-445285-W0A Speaker dust screen Nylon mesh,44.5*28.5*0.1mm 7MHP-4207-01A-W0 Plastic PTT key PC1414, co-molding dual-color, pantone 172c+, black, etched 1 7MHP-4207-04A-W0 PTT cover (cover die 1) PC1414;black,etched...

  • Page 65: Appendix 4 Accessory List

    DP485 Service Manual Appendix 4 Accessory List Accessory Radio Charger Power adapter Charger Battery Battery Belt clip + screws Belt clip Antenna Strap Certificate of Quality Power Antenna Strap User Manual Adapter...

  • Page 66: Appendix 5 Schematic Diagrams And Layout Drawings

    DP485 Service Manual Appendix 5 Schematic Diagrams and Layout Drawings Schematic Diagrams of Main Board IC100 XC6204B502MR L100 Q102 ST2301 BLM11A601S C101 100nF C102 R103 R102 C104 470P C103 10uF 470P 2.2K Q103 DTC144EE RF_4V2 BLM11A601S 10uF C108 10nF 10uF...
  • Page 67 DP485 Service Manual RED_LED LDAC_PC/TV ENC_0 PF_KEY1 LDAC SPI_DA_OUT PTT_KEY VOUTB VCCN SPI_CLK GREEN_LED DACS_SW1 ENC_1 VOUTA KEYPAD_BL RDA_SQL MCP4802 R167 SPI_DA_OUT 0Ω SPI_CLK C346 PF_KEY2 100nF SPI_/CS RDA_PDN AFCO_2 LDAC_PC/TV DACS_SW1 AFCO_1 AF_OUT R56 3.3K INPA 470nF BEEP_OUT C105 C126 470Ω...
  • Page 68 DP485 Service Manual ST2301 10nF PF_KEY0 PTT_KEY 100K PF_KEY1 PF_KEY2 SIDEKEY MAND_C 10nF 10Ω TOUT DOUTY MAND E1_1 VREF AUDIO_ENC0 DOUTX E1_3 AUDIO_ENC1 100nF E2_3 AUDIO_ENC2 MXD2020ML E2_1 AUDIO_ENC3 S200 C332 MOD_RDA1846 470P L300 R237 E1_1 ENC_0 R236 BLM11A601S ENC_1...
  • Page 69 DP485 Service Manual C503 C504 C505 C506 C510 D500 C511 RN142S 8.2nH L500 3T L501 L503 120P L502 CN500 Q500 C517 C512 L504 C515 L505 TO ANT C509 C516 RD07MUS2B C513 2.7nH D501 2.5P RN142S C521 L510 Q501 C520 R503...
  • Page 70 DP485 Service Manual Q600 ST2301 10nF 100nF R601 10uF 0Ω AFCO_1 DTC144EE J600 C603 R15 NC 1000P 0Ω C26 NC C605 0Ω BEEP_OUT C135 R603 C604 Fuse 100nF C606 R604 470K MIC+ 10uF 1000P 1000P INPUT2 OUTPUT2 4.7Ω R607 4pin...
  • Page 71 DP485 Service Manual UBX-M8030 U-BLOX G7 X101 26MHz 8.2nH C80 0Ω GPS_LNA LNA_IN XTAL_I R101 0Ω XTAL_O OE 1 2.5P FB42 LDO_X_OUT GND1 R109 SCL2 TXD1 RXD1 C142 SDA2 RXD1 TXD1 R172 FB43 TIMEPULSE T_SENSE C325 C324 VCC_RF EXTINT0 100P...

  • Page 72: Top-Layer Layout Drawing Of Main Board

    DP485 Service Manual Top-Layer Layout Drawing of Main Board...

  • Page 73: Bottom-Layer Layout Drawing Of Main Board

    DP485 Service Manual Bottom-Layer Layout Drawing of Main Board...

  • Page 74: Schematic Diagrams Of Module Board

    DP485 Service Manual Schematic Diagrams of Module Board U2100-A DIGTAL 1 of 3 RF (VDD28) 5T_EN 5T_EN 5R_EN 5R_EN APC_SW1 PC_SW KEYPAD (VDD28) KEYOUT0 KEYOUT0 KEYOUT1 TP10 KEYOUT1 KEYOUT2 KEYOUT2 TP11 TP79 SPI LCM (VLCM) KEYOUT3 KEYOUT3 TP12 APC_SW2 FMARK...
  • Page 75 DP485 Service Manual 2520 封装 U2100-B VBAT_3V6 ANALOG 2 of 3 XO_P VOUT OUTPUT AUDIO MBIAS LN1121P332MR BT_TRX MIC_P MICP MIC_N MICN FM_LANT [2] HEADMIC_P HEADMICP FM_SANT [2] HEADMIC_N HEADMICN XO_N [2] HEADMIC_IN SPK_P TP65 [2] HE_L HEADP_L HEADP_R [2] HE_R...
  • Page 76 DP485 Service Manual POWER VBAT_3V6 U2100-C POWER/GND 3 of 3 VBAT VB (FROM VBATB) VBATA (150mA) AVDDVBO AVDDVBVDDR AVDDVB VBATB LDO OUT (VBATB) (200mA) VDDRF VBATPA (150mA) VDD18 CHARGE (150mA) VDD28 VDD2V8 VBAT_SENSE VBAT_ADC (150mA) TP26 这个替换之前 3 号引脚 VDDCORE...

  • Page 77: Top-Layer Layout Drawing Of Module Board

    DP485 Service Manual Top-Layer Layout Drawing of Module Board...

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