Abell A-510T Service Manual
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Abell A-510T Service Manual

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A-510T（UHF）Ver1.0
A-510T（UHF）Service Manual
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  • Page 1 A-510T（UHF）Ver1.0 A-510T（UHF）Service Manual 1/53...

  • Page 2: Table Of Contents

    A-510T（UHF）Ver1.0 CHAPTER 1 INTRODUCTION ............................4 SCOPE OF APPLICATION ............................4 SECURITY ISSUES..............................4 CHAPTER 2 APPEARANCE SKETCH CHART AND INTRODUCTION OF OPERATION FUNCTION KEYS ..5 APPEARANCE SKETCH MAP ..........................5 2.2 INTRODUCTION OF PROGRAMMABLE AUXILIARY FUNCTION KEYS ............6 CHAPTER 3 COMPOSITE MODE ..........................
  • Page 3 CHAPTER 8 SPECIFICATIONS OF PERFORMANCE ....................35 CHAPTER 9 SPECIFICATION............................36 APPENDIX 1 BILL OF MATERIALS (ELECTRONICS) .................... 37 APPENDIX 2 MATERIAL LIST（STRUCTURE PART）..................45 DIAGRAM 2 A-510T SCHEMATIC DIAGRAM......................50 DIAGRAM 3 A-510T BLOCK DIAGRAM........................52 DIAGRAM 4 A-510T PACKAGING ..........................53 3/53...

  • Page 4: Chapter 1 Introduction

    Two way radios can produce and emit electromagnetic energy to outside, and electromagnetic transmission safety design of ABELL two way radio completely conforms with national and international standard. In order to ensure the best communication effect of two way radio and the electromagnetic transmission safety for human, when you use two way radios for communication, please keep the two way radio perpendicular to the ground, and your month away from microphone 2.5-5 cm.

  • Page 5: Chapter 2 Appearance Sketch Chart And Introduction Of Operation Function Keys

    A-510T（UHF）Ver1.0 Maintenance service In order to repair the equipment, we set up a completed service system, and provide the material including schematic diagram, printed substrate as your reference. Chapter 2 Appearance sketch chart and introduction of operation function keys 2.1 Appearance sketch map ○...

  • Page 6: Introduction Of Programmable Auxiliary Function Keys

    A-510T（UHF）Ver1.0 ○ 8 Indicator light of luminous diode: When signal is sent, the initiator light is red; when signal is received, the indicator light is green. When battery voltage is low the red light will be blinking. ○ 9 Earphone & microphone jack 2.2 Introduction of programmable auxiliary function keys...
  • Page 7 A-510T（UHF）Ver1.0 One-key call 1~5（DMR） Shortcut calling key, press it to come into shortcut calling mode, then press PPT to send calling auxiliary service function 7/53...

  • Page 8: Chapter 3 Composite Mode

    PC mode 3.3.1 Preface Use programming cable to connect two way radio and PC, operate programming software (ABELL A-510T programming software) on PC to make programming setting for communication equipment. Figure 1 shows the process of programming setting on PC.

  • Page 9: Connection Steps

     Use PC for programming If use PC with ABELL two way radio programming for transmitting data to radio, the setting destination data (basic communication parameters) can all be modified. as the value is automatically generated in setting frequency range(frequency type), generally it is not necessary to change destination data. the value can be changed only in necessary condition.

  • Page 10: Chapter 4 Disassembled Parts In Maintenance Process

    A-510T（UHF）Ver1.0 Chapter 4 Disassembled parts in maintenance process 4.1 Assemble and disassemble the belt clip Loosen these two screws to disassemble back splint. 10/53...

  • Page 11: Assemble And Disassemble Antenna And Knob

    A-510T（UHF）Ver1.0 Assemble and disassemble antenna and knob 1. Loosen antenna by rotating; 2. Pull out the volume and channel knob; 3. Loosen the three nuts; 4. Loosen the two rear screws. 11/53...

  • Page 12: Disassemble Inter-Machine

    A-510T（UHF）Ver1.0 4.3 disassemble inter-machine 1. Uplift the aluminum she'll of inter-machine from its bottom; 2. When inter-machine is over the plastic shell of the bottom, pull it to backwards. 12/53...

  • Page 13: Disassemble Pcb Board

    A-510T（UHF）Ver1.0 4.4 Disassemble PCB Board 1. Loosen all screws on PCB board; 2. Use soldering iron to seal off the tin of antenna pedestal; 3. Uplift PCB board from the front-end. 13/53...

  • Page 14: Exploration Chart Of Parts

    A-510T（UHF）Ver1.0 4.5 Exploration Chart of Parts 14/53...

  • Page 15: Chapter 5 Unit Circuit Introduction

    A-510T（UHF）Ver1.0 Chapter 5 Unit circuit introduction 5.1 DMR digital circuit Signal block diagram 4FSK digital signal channel process of Block diagram of DMR digital circuit: （1）Via MIC, voice comes into NJM2904V, being amplified; After that DSP digital signal is processed to 4FSK digital modulating signal, which are sent to VCO and crystal modulator by two ways as MDO1/MOD2, then sent out by transition circuit.

  • Page 16: Receiving Part

    A-510T（UHF）Ver1.0 SCT3258TD ANT SW Frame Header/Vaild IP data port Date SINGLE CHIP RDA1846 Demodulation TRANSCEIVER FOR Audio AD/DA switch WALKIE TALKIE Frame Decoding Codec Modulation Frame Encoding TLV320AIC3204 12.8MHz TCXO Chart 1 Analog Circuit Structure Receiving part Front-end radio-frequency amplifier The signal received by antenna comes into low pass filter and receiving/transmission switching diode (D5 and D6 are disconnected), the unwanted signal is filtered out by L11.C60 band-pass filter, then comes into...

  • Page 17: Frequency Synthesizer/Base Band Processor

    A-510T（UHF）Ver1.0 （2） Antenna change over switch and LPF Before the radio frequency signal reaches antenna terminal, the radio frequency signal outputs signal by D1， D3， D5 and D6 transmission/receiving switching circuit; harmonic is filtered by L28，L29 and L30 low pass, and fed to antenna.
  • Page 18 A-510T（UHF）Ver1.0 AF O UT P G A Core RF IN 0/90 Audio filter Sub CH filter F M modem AF C loop M IC P G A APC_SW G P IO RF O UT P A_drv ier Interface SDIO Sy nthesizer...

  • Page 19: Power

    A-510T（UHF）Ver1.0 with the maximum frequency deviation by audio processor U301, and it is modulated by U302. （6） Wide/narrow band conversion We can use programming software to enable wide/narrow band to set that of various channels, and the wide/narrow is converted by U302 SCT3258TD baseband processor.

  • Page 20: Control System

    A-510T（UHF）Ver1.0 DC-DC DC-SW XC6204B502M R U313 U309 Vcc 7.5V A3V3 U314 LM 2734XM K XC6219B332 RX_CTL DC-SW U310 RF 3V3 XC6204B502M R XC6219B332 U315 U309 DSP 3V3 TX_CTL XC6219B332 DC-SW XC6204B502M R DC5V U308 U310 D1V2 XC6219B122 Chart 6 DC-SW...
  • Page 21 A-510T（UHF）Ver1.0 Low voltage warning of battery The battery voltage is monitored by U300 microprocessor. When it is below the low voltage of warning, the warning tone will alarm. (1) During transmission, when the battery voltage is below the low voltage of warning (6.3V default), the red LED will blink and sound the warning tone of "low power, please charge".

  • Page 22: Chapter 6 Function Description And Parameter Configuration

    A-510T（UHF）Ver1.0 Chapter Function description parameter configuration Main function 6.1.1 Channel This machine can store up 16 channels. 6.1.2 Analog + digital dual mode system (smooth transition) It can support two modes as digital and Analog, and be compatible with the existing conventional Analog system to ensure the Analog product can smoothly transmit to digital product.

  • Page 23: Tot Time-Limited Transmitting Function

    A-510T（UHF）Ver1.0 6.1.9 TOT time-limited transmitting function After user sets the effective TOT time in writing parameter, and after user's accumulative transmission is beyond TOT time, the two way radio will immediately stop transmission and prompt user about the entering of TOT transmission banning status.
  • Page 24 A-510T（UHF）Ver1.0 Selected: Channel replying before scanning during scanning process. The channel can’t be switched during scanning process. Selected + present: When it doesn't remain in a certain channel, the transmission channel is the one before scan entering; if it remains in a certain channel, this channel will be used to radiate.

  • Page 25: Tot Parameter

    A-510T（UHF）Ver1.0 Note： The squelch condition means the combination of carrier wave and signalization standing time of transmission： It means the interval time from the transmission end to scan automatically restoring. Value range: 200～5000 milliseconds Step value: 100 milliseconds Default: 200 milliseconds Prompt tone：...

  • Page 26: List Of Receiving Group

    A-510T（UHF）Ver1.0 6.2.3 List of receiving group The function of the list of receiving group can facilitate user to receive many group calling in one digital channel. Value range: list 1 of group calling- list 32 of group calling Default: list 1 of group calling 6.2.4...

  • Page 27: Channel Time Slot Calibrator

    A-510T（UHF）Ver1.0 6.2.7 Channel time slot calibrator Channel time slot calibrator means in TDMA direct mode operation system, you need to set a two way radio as leader for leading channel sequential, which will timing broadcast channel sequential information to other two way radios in system.
  • Page 28 A-510T（UHF）Ver1.0 Value range: 0-65535 Default: 0 Note: when the encryption function is not ticked, this item is invalid. 28/53...

  • Page 29: Chapter 7 Debugging For Whole Machine

    A-510T（UHF）Ver1.0 Chapter 7 Debugging for whole machine The required test equipment 1. Stabilized power supply 1）The out power can be adjusted from 5V to 15V, and its current is 3A or even bigger. 2）standard voltage is 7.5V. 2. Ampere meter 1）Advanced ampere meter(17 gears and other functions)

  • Page 30: Debugging Introduction

    Termi equipmen Component Method enter low power adjustment enable to automatically BAT1 terminal digital antenna A-510T programming banning 1. low power adjust data low power banning voltage terminal software low power transmission in low modulation transmission 5.8V meter J2 port adjustment power 5.8V±0.1V...
  • Page 31 A-510T（UHF）Ver1.0 enter frequency difference adjustment enable PPT, A-510T frequency adjust data difference of 2. frequency frequency debugging channel frequency antenna programming difference change difference: within CH:4 counter terminal software (frequency adjustment frequency ±100Hz difference 4 frequency point adjustment) after debugging,...
  • Page 32 A-510T（UHF）Ver1.0 confirmation to save detection data Enter audio 6.audio A-510T programming broadband frequency frequency software audio power meter frequency Antenna deviation deviation frequency deviation Adjust channel deviation： adjustment broadband broadband 4、 3、 2、 1、 CH:0、1、2、3、4 frequency 4.2KHz±0.2KHz Termina adjustment 0 adjustment...
  • Page 33 A-510T（UHF）Ver1.0 A-510T programming 8. QT broadband enter QT adjustment software QT 0、 QT frequency frequency power 1、2、3、4 deviation deviation debug channel meter enable PTT, adjust broadband 2 750Hz±100Hz adjustment CH:2 data frequency point frequency frequency Antenna adjustment deviation deviation change...
  • Page 34 A-510T（UHF）Ver1.0 Chart 4 RX part measurement adjustment item condition Specification test termi equipme part Methods 12. SQ test channel A-510T broadband CH:2 programming signal open speaker level 1 software 1、 5、 9 level 1 squelch enter SQ open generator adjustment （SSG:-125dBm）...

  • Page 35: Chapter 8 Specifications Of Performance

    A-510T（UHF）Ver1.0 Chapter 8 Specifications of Performance General Specifications Model A-510T VHF：136-174 MHz Frequency Range UHF：400-470MHZ. 440-480 MH Channel Numbers 16CH Channel Range 25 kHz/12.5 kHz Working Temperature Range -25°C~＋60 °C Working Voltage 7.5VDC Antenna Impedance 50Ω Speaker Impedance 2.2KΩ Li-ion DC7.4V 1600mAh（standard configuration）...

  • Page 36: Chapter 9 Specification

    A-510T（UHF）Ver1.0 Chapter 9 Specification Frequency Range……………………………………………………………………UHF:400-470MHz Rf Power Output………………………………………………………………H：4 W L：1.5 W Channel Numbers……………………………………………………………………16 CH Working Voltage……………………………………………………………………7.5V VDC±0.1 Working Temperature Range…………………………………………………………………… -25℃到+60 ( ℃ -22℉ to +140 ) ℉ Size（L*W*H）…………………………………………………………104.5mm×52mm×28 mm Weight…………………………………………………………………………232g(Machine with Battery Antenna) Battery…………………………………………………………………………Li-ion DC 7.4V 1600mAh 36/53...

  • Page 37: Appendix 1 Bill Of Materials (Electronics)

    A-510T（UHF）Ver1.0 Appendix 1 Bill of Materials (electronics) Description (specification + package + Materials Code Amount Bit No. / application mode Color/ Tolerance Etc.） SMD carbon resistor 0R +/-5% 0402 C101 L9 R5 R6 R97 R99 R301 151-10002211-010 YAGEO RC0402JR-070R RD07 R340 R341 R345...
  • Page 38 A-510T（UHF）Ver1.0 Description (specification + package + Materials Code Amount Bit No. / application mode Color/ Tolerance Etc.） SMD carbon resistor 3K3 +/-5% 0402 151-13322211-010 YAGEO RC0402JR-073K3 SMD carbon resistor 4K7 +/-5% 0402 R27 R92 R100 R349 R350 R374 151-14722211-010 YAGEO RC0402JR-074K7...
  • Page 39 A-510T（UHF）Ver1.0 Description (specification + package + Materials Code Amount Bit No. / application mode Color/ Tolerance Etc.） SMD carbon resistor 0R +/-5% 0603 151-10002321-010 C108 R4 R50 L300 L301 L305 YAGEO RC0603JR-070R SMD carbon resistor 100K +/-5% 0603 151-11042321-010 YAGEO RC0603JR -07100K...
  • Page 40 A-510T（UHF）Ver1.0 Description (specification + package + Materials Code Amount Bit No. / application mode Color/ Tolerance Etc.） C20 C31 C55 C98 C111 C301 C312 C325 C331 C339 C340 SMD ceramic capacitors X7R 10nF +/-10% 081-41037241-040 C342 C345 C348 C349 C354...
  • Page 41 A-510T（UHF）Ver1.0 Description (specification + package + Materials Code Amount Bit No. / application mode Color/ Tolerance Etc.） SMD ceramic capacitors COG 220P +/-5% 081-12216351-040 0603 50V muRata GRM1885C1H221J SMD ceramic capacitors COG 470P +/-5% 081-14716351-040 C115 0603 50V muRata GRM1885C1H471J...
  • Page 42 A-510T（UHF）Ver1.0 Description (specification + package + Materials Code Amount Bit No. / application mode Color/ Tolerance Etc.） Wound Chip Inductors 4.7uH +/-30% 4012 211-4726A101-060 L304 Sunlord SWPA4012S4R7NT 221-25160421-010 SMD Air Coil E2R0.40*1.6*2.5T L28 L29 L30 221-35160421-010 SMD Air Coil E2R0.40*1.6*3.5T 221-65160421-010 SMD Air Coil E2R0.40*1.6*6.5T...
  • Page 43 TCXO VC-TCXO 12.8MHZ/DSA321SCM 331-12808331-020 ±1.5PPM 3.2*2.5mm 3.3V KDS PCB Main Board Four layer blind hole 464-510T1201-V05 A-510T UHF V5 L691CI0022A0 88.3*44.9*1.2T Production tools steel mesh A-510T UHF V5 420*520*0.12mm Laser electrolytic 491-510T1201-V05 polishing Chamfering convex PCB P/N 464-510T1201-V05 Software 43/53...
  • Page 44 0B5C3D V1.01.72 C A-51[T]_CN_C V1.01.72.exe 963-00A51T10172 BB4164 V1.01.72 C A-51[T]_EN_C V1.01.72.exe Welding afterward components 801-A510TD07-00 PCBA A-510T(D07) microswitch 7.4*7.3*4.3mm SKHLLBA010 432-03BA0101-010 K1 K2 K3 ALPS 1.57N Microphone with feet 391-26036421-010 COB636P-2042-00-AA D6*3.6mm 42dB 2.0V 371-30050351-050 Audio socket 5PIN D3.5 ST-3012-05S 371-30050261-170 Audio socket 5PIN D2.6 ST-103-C-06...

  • Page 45: Appendix 2 Material List（Structure Part

    A-510T（UHF）Ver1.0 Appendix 2 Material List（structure part） Description（Specifications Part Number Amount Position/model +Size+Color/Tolerance） Assembly parts Plastic Parts: 501-0A510001-111 Housing A-510 PC1414 Black 502-0A510001-113 VOL KNOB A-510 PC1414 Black 503-0A510001-113 Channel Knob A-510 PC2805 Black 507-0A510001-112 PTT Button A-510 PC1414 Black 508-0A510001-112...
  • Page 46 PC 29.5*6.1*0.3t White on Black Oversea English tag A-510T "A-510T" frosted surface 592-A510T501-011 Oversea and Domestic PC 10.8*4.3*0.3t White on Black tag A-510T "A51" frosted surface PC 592-A510T502-011 10.8*4.3*0.3t White on Black （Only Domestic bidtag ） Model tag A-510 xiaoyinlong 741-00A51001-011 34.4*32.6mm(circular bead)
  • Page 47 A-510T（UHF）Ver1.0 Description（Specifications Part Number Amount Position/model +Size+Color/Tolerance） Serial number all models xiaoyinlong 749-000ALL01-011 22*5mm(circle corner) Serial number A-510 PET White on 747-00A51001-011 Domestic Black Serial number English A-510 PET 747-00A51003-011 Oversea 26.5*9.4*0.1mm White on Black QC PASS tag ALL 13.5*9.3mm Black...
  • Page 48 A-510T（UHF）Ver1.0 Diagram 1 A-510T Tag Number Diagram TOP： 48/53...
  • Page 49 A-510T（UHF）Ver1.0 BOT： 49/53...

  • Page 50: Diagram 2 A-510T Schematic Diagram

    A-510T（UHF）Ver1.0 Diagram 2 A-510T Schematic Diagram 50/53...
  • Page 51 A-510T（UHF）Ver1.0 51/53...

  • Page 52: Diagram 3 A-510T Block Diagram

    A-510T（UHF）Ver1.0 Diagram 3 A-510T Block Diagram 52/53...

  • Page 53: Diagram 4 A-510T Packaging

    A-510T（UHF）Ver1.0 Diagram 4 A-510T Packaging 53/53...

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