Hytera MD652 Service Manual
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Hytera MD652 Service Manual

Md65 series digital mobile radio
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Summary of Contents for Hytera MD652

  • Page 1 DIGITAL MOBILE RADIO...
  • Page 2 Preface This manual describes the information related to the product repair. It is intended for use by qualified technicians only. To repair the product properly, please read this manual carefully before repairing. This manual is applicable to the following product: MD65X Digital Mobile Radio (X may represent 2, 5, 6 or 8)

  • Page 3: Copyright Information

    Copyright Information Hytera is the trademark or registered trademark of Hytera Communications Corporation Limited (the Company) in PRC and/or other countries or areas. The Company retains the ownership of its trademarks and product names. All other trademarks and/or product names that may be used in this manual are properties of their respective owners.
  • Page 4 Documentation Information Conventions Icon Conventions Icon Description Indicates information that can help you make better use of your product. Note Indicates references that can further describe the related topics. Caution Indicates situations that could cause data loss or equipment damage. Warning Indicates situations that could cause minor personal injury.
  • Page 5 UHF1 (400‐470 MHz)

  • Page 6: Table Of Contents

    UHF1 (400‐470 MHz) Contents Contents 1. Product Controls ..........................1 2. Disassembly and Assembly ........................ 3 2.1 Disassembling ..........................3 2.2 Assembling ............................4 3. Exploded View and Packaging Guide ....................6 3.1 Exploded View ..........................6 3.2 Packaging Guide ..........................8 4.

  • Page 7: Table Of Contents

    Contents UHF1 (400‐470 MHz) 8.2.1 Tuning the radio ........................41 8.2.2 Testing a radio ........................44 9. PCB View ............................. 46 10. Block Diagram ..........................47 10.1 Power supply module ........................47 10.2 RF module ............................ 48 10.3 Baseband module ......................... 48 11.

  • Page 8: Product Controls

    UHF1 (400‐470 MHz) Product Controls 1. Product Controls Front Panel Part Name Part Name Remote Speaker Microphone Decoration Piece Connector Power On/Off Key Plastic Front Cover Rear Panel Part Name Part Name RF Antenna Connector Accessory Connector Power Interface GPS Antenna Connector Note GPS antenna connector is for MD65X mobile radio with GPS feature only.
  • Page 9 Product Controls UHF1 (400 - 470 MHz) Bottom View Part Name Part Name Label Fan Cover...

  • Page 10: Disassembly And Assembly

    UHF1 (400‐470 MHz) Disassembly and Assembly 2. Disassembly and Assembly Disassembling Step 1 Turn off the radio and detach the power cord and antenna. Step 2 Remove the two screws on the front panel and take out the plastic front cover. Step 3 Remove the four screws securing the PCB and take out the PCB.

  • Page 11: Assembling

    Disassembly and Assembly UHF1 (400‐470 MHz) Step 5 Take out the upper cover of the aluminum chassis, and then take out the main PCB. Assembling To assemble the repeater after disassembling, perform the above steps in a reversed order. Moreover, do as follows: Step 1 Secure the microphone hanger using three self-tapping screws (white, 4.0x16).
  • Page 12 UHF1 (400‐470 MHz) Disassembly and Assembly Step 2 Secure the radio bracket using four or six self-tapping screws (black, 4.8x20). Step 3 Fasten the adjusting screws on both sides with a silicone rubber pad for each side. Step 4 Connect the palm microphone to the radio via the connector in the front panel. Place the palm microphone on the hanger when you do not use it.

  • Page 13: Exploded View And Packaging Guide

    Exploded View and Packaging Guide UHF1 (400‐470 MHz) 3. Exploded View and Packaging Guide Exploded View Parts list: Part No. Part Name Qty. Part No. Part Name Qty. 6002081001000 Fan Cover 6001279000000 Waterproof cover 7103015000000 Screws M3.0x15.0mm 4210000000600 FFC cable 5401000000210 6100999100000 Waterproof ring for front...
  • Page 14 UHF1 (400‐470 MHz) Exploded View and Packaging Guide Part No. Part Name Qty. Part No. Part Name Qty. case Lower cover for Control board 6300231000000 aluminum chassis components Heat sink pad Screws M2.0x5.0mm 7500358000000 7102005000300 Waterproof ring for 4220071000000 GPS signal cable 6100408001000 palm microphone connector...

  • Page 15: Packaging Guide

    Exploded View and Packaging Guide UHF1 (400‐470 MHz) Packaging Guide...

  • Page 16: Specifications And Blind Spots

    UHF1 (400‐470 MHz) Specifications and Blind Spots 4. Specifications and Blind Spots Specifications The following table specifies specifications for the radio (UHF1). General Frequency Range 400‐470 MHz Channel Capacity 1024 Group Capacity 64 (16 channels at most for each group) Channel Spacing 12.5 kHz /20 kHz /25 kHz Operating Voltage...
  • Page 17 Specifications and Blind Spots UHF1 (400‐470 MHz)  12.5 kHz (data only): 7K60FXD 4FSK Digital Modulation  12.5 kHz (data and voice): 7K60FXW  ±2.5 kHz@12.5 kHz Modulation Limiting  ±4.0 kHz@20 kHz  ±5.0 kHz@25 kHz  -40 dB@12.5 kHz FM Hum and Noise ...
  • Page 18 UHF1 (400‐470 MHz) Specifications and Blind Spots  ETSI: 70 dB@12.5/20/25 kHz  TIA-603:90 dB Blocking  ETSI: 84 dB  -40 dB@12.5 kHz Hum and Noise  -43 dB@20 kHz  -45 dB@25 kHz  Internal (20 Ω load): 1.5 W Rated Receiving Audio Power ...

  • Page 19: Blind Spots

    Specifications and Blind Spots UHF1 (400‐470 MHz) visible under rated -130 dBm signal strength) TTFF (Time To First Fix) Cold Start < 1 minute TTFF Hot Start < 10 seconds Horizontal Accuracy < 10 meters Note All Specifications are tested according to applicable standards, and subject to change without notice due to continuous development.

  • Page 20: Circuit Description

    UHF1 (400‐470 MHz) Circuit Description 5. Circuit Description Front Panel Front panel includes components such as Power On/Off key and fan. The function diagram is shown above. Power Supply The front panel is powered by the main board via Q5017, which is used as power supply for LED indicator and USB devices.

  • Page 21: Baseband Section

    Circuit Description UHF1 (400‐470 MHz) Baseband Section 5.2.1 Power Supply Module Baterry Voltage 13.6±15% Q7013\U3002\Q2009 8V5A U2006 Q2021/Q2022/U2017 Q7012/Q7010 U7001/U7002 8V3_TX Q7007 Q7014 3V3A_RF U6001/Q6006/Q6007 9V1A_RX Q2002 Q6103/Q6102/U6000 U2014 U2005 U3001/U3004 3V3A U8004 5VA_FGU Q8006/U8005/Q8004/ U2009 U2008 Q8005/Q8006/U8002 3V3A_FGU U8002/U8001/Q8002 5VA_RX U2015 Q6002/U6001...

  • Page 22: Control Module

    UHF1 (400‐470 MHz) Circuit Description Both the baseband control IC and the RF section can convert the supplied voltage to an appropriate one via the voltage converter. See below:  Supply for RF: U2017, Q9021 and Q9022 supply power for the RF section by high current MOS transistor and comparator, which can work as LDO (Low Dropout Regulator).
  • Page 23 Circuit Description UHF1 (400‐470 MHz) Emergency Alarm When the emergency alarm pin is at low level, R2048 is grounded, and Q2010 is turned on to supply power for the whole system. Meanwhile, Q2011 is also turned on. When low level is detected from U1002 but the radio is powered off, the system will output the level Pwr_Hold and send emergency alarm signal.

  • Page 24: Interface Distribution

    UHF1 (400‐470 MHz) Circuit Description 5.2.3 Interface Distribution SPI Interface SPI interface of processor U1002 operates in Master Mode, and is controlled by MPU or DMA. In Master Mode, U1002 can provide 4 chip select signals, of which CS2 is used to control the IF processor U6001. MCSI Interface When communicating with U8001, U1002 works in Master Mode with clock frequency of up to 9.6 MHz.
  • Page 25 Circuit Description UHF1 (400‐470 MHz) SSI Interface U1002 has a total of three McBSP interfaces: McBSP1, McBSP2 and McBSP3, and it is compatible with various interfaces. McBSP1 is connected to the I2S interface of the audio processor, to realize two-way transmission of digital voice and data.
  • Page 26 UHF1 (400‐470 MHz) Circuit Description UART Interface Processor U1002 has a total of three UART interfaces, which are used to communicate with different external devices. UART3 is used for communication with Option Board and accessory connector. Mobile Accessory Connector (MAC) Mobile accessory connector contains audio interface, programmable I/O port, serial port, USB port, accessory identifier port, etc, which are available for further development.
  • Page 27 Circuit Description UHF1 (400‐470 MHz) Voltage of I/O of the Option Board Pin No. Signal Function Remarks Radio VDD=3.3 V MAX=0.22VDD They require their input resistances are above or equal to 47 kΩ. UART-TX UART-RX UART UART UART-CTS UART-RTS I2C –SDA I2C -SCL MCBSP-DR MCBSP-WCL...

  • Page 28: Audio Module

    UHF1 (400‐470 MHz) Circuit Description Voltage of I/O of the Option Board Pin No. Signal Function Remarks Radio VDD=3.3 V 3V6 or 5V Power Voltage: 5.0 V 5.2.4 Audio Module PA_Enable INT_SPK Vol_Ctl Right U3002 U3006A U1002 Vol_Ctl McBSP1 Left Mic_Bias PUB_ADDRESS_MIC_EN U3005B...

  • Page 29: Rf Section

    Circuit Description UHF1 (400‐470 MHz) HANDSET_AUDIO, RX_AUDIO, PUB_ADDESS1 and PUB_ADDESS2. The first two paths are amplified by U3005, and the last two paths are amplified by U3006. Output of HANDSET_AUDIO, PUB_ADDESS1 and PUB_ADDESS2 are controlled by Q3001, Q3006 and Q3003 respectively. TX Audio Path The audio processor U3001 has two MIC inputs: the internal MIC and external MIC.
  • Page 30 UHF1 (400‐470 MHz) Circuit Description Voltage 8V5A_TX Detec High Temperature Protection OMAP Tx/Rx Switch Tx_PORT Microstrip TX_LO Attenuator Match Match Match Matcher Microstrip Dual Harmonic Rx_PORT Directional Coupler RD01 Filter RD07 Firststage PreDriver Driver PD85035S Forward Reflect Detector Detector Finalstage Alarm to ADC VSWR Protection Temperature...
  • Page 31 Circuit Description UHF1 (400‐470 MHz) diodes D7007 and D7008. Quiescent bias current of the PIN diode is controlled by the resistors R7111 and R7047. In this mode, D7007 is turned on; RF signals are sent to the low-pass filter (composed of C7141, C7142, C7139, C7153, C7154, L7043, L7044 and L7045) and then transmitted via the antenna port.

  • Page 32: Receiver Circuit

    UHF1 (400‐470 MHz) Circuit Description 5.3.2 Receiver Circuit The receiver utilizes double conversion superheterodyne technique. The first IF is 58.05 MHz and the second IF is 2.25 MHz. The first local oscillator signal is provided by the PLL circuit U8001, and the second local oscillator signal (55.8 MHz) is provided by the PLL circuit U6001.

  • Page 33: Frequency Generation Unit (Fgu)

    Circuit Description UHF1 (400‐470 MHz) Receiver Back-end The first IF signal (58.05 MHz) output by the IF amplifier goes into IF IC via Pin 47, where the signal is converted to the second IF signal (2.25 MHz). Then the un-demodulated digital I/Q signal output from the SSI interface is sent to U1002 for demodulation.
  • Page 34 UHF1 (400‐470 MHz) Circuit Description The 19.2 MHz frequency generated by reference crystal oscillator (X8001) goes into PLL IC (U8001) for division, generating the reference frequency. Meanwhile, the frequency generated by VCO goes into PLL IC (U8001) for frequency division. The resulting frequency will be compared with reference frequency in terms of phase difference in the phase detector.

  • Page 35: Gps Circuit

    Circuit Description UHF1 (400‐470 MHz) GPS Circuit Antenna Power UART OMAP module REB-1315LPX Palm Microphone GPS positioning information can be acquired via the programmed GPS key on the front panel. The GPS function is realized via REB-1315LPx module, which internally integrates GPS baseband processor circuits.

  • Page 36: Troubleshooting Flow Chart

    UHF1 (400‐470 MHz) Troubleshooting Flow Chart 6. Troubleshooting Flow Chart Control Circuit Control circuit check RF circuit cannot be Power-on display is Confirm control circuit driven normally normal? Reconnect the palm Palm microphone is microphone connected normally? Control head cable is Replace the cable normal? Check...
  • Page 37 Troubleshooting Flow Chart UHF1 (400‐470 MHz) GPS Circuit Replace GPS module Start Replace the Check the antenna antenna Check peripheral Replace components of the damaged module components Replace U2002 Can the radio perform Poor RX signal positioning? Replace connector W9001 SIRF Demo software on the 3.3 V output by U2002 is...
  • Page 38 UHF1 (400‐470 MHz) Troubleshooting Flow Chart No Power Output Power supply is Check power supply normal? circuit Current is Control voltage is Check U7002 normal?[1] normal?[2] High Check large PA match Refer to the network, antenna switch, troubleshooting flow TX VCO is normal?[3] low-pass network, etc.
  • Page 39 Troubleshooting Flow Chart UHF1 (400‐470 MHz) [2] The APC voltage at TP811 should be above 2 V. [3] Check whether there is an appropriate TX LO signal at C7047. [4] Check whether the gain is 15 dB and the input signal is +5 dBm at Q7012. [5] Check whether the gain is 15 dB and the input signal is +20 dBm at Q7010.
  • Page 40 UHF1 (400‐470 MHz) Troubleshooting Flow Chart Receiver Circuit No Receive Check the power- Q2021 (9V1A) output on circuit is normal? Q2002(9V1A_RX) Replace the front Front panel output is output is normal? panel normal?[1] Check Q2021 and Q2002 Check Q6004 Input an IF signal of 58.05 Second LO is and peripheral MHz to test whether it is...
  • Page 41 Troubleshooting Flow Chart UHF1 (400‐470 MHz) [2] Use the communication test set to input a 58.05 MHz IF signal at the mixer, and check whether it can be processed normally afterwards. [3] Use a spectrum analyzer to check whether TP6004 can output the second LO signal (55.8 MHz). [4] Use the communication test set to input an RF signal of -100 dBm, and test the sensitivity.
  • Page 42 UHF1 (400‐470 MHz) Troubleshooting Flow Chart Frequency Generation Unit (FGU) Check U2009(5V) and Replace U2009 U2008(3.3V) and U2008 voltages are normal? Q8008(4.3V) Replace Q8008 voltage is normal? Replace Q8002 and VCO oscillates Q8002 and Q8007 Q8002 and Q8007 are normal?[2] Q8007 normally?[1] are normal?[3]...
  • Page 43 Troubleshooting Flow Chart UHF1 (400‐470 MHz) [3] Check whether the emitter voltage of Q8002 and Q8007 is about 1.8 V under normal RX/TX status. [4] Check the CV of TP8002. The normal value should range from 0.5 to 4.5 V. [5] Check whether the power supplies 5 V and 3.3 V of PLL U8001 is normal.

  • Page 44: Interface Definition

    UHF1 (400‐470 MHz) Interface Definition 7. Interface Definition 10-pin Aviation Interface The 10-pin aviation interface on the front panel is used for audio accessories or data cable connection. The definition of each pin is described as below. Pin No. Name Function ACCIO_0 Digital input...
  • Page 45 Interface Definition UHF1 (400‐470 MHz) Pin No. Name Function 5VD_EXT Power supply: +5V Ground Earth wire GP5_3 Digital input/output 13V6_Ext Power supply EXT_ALARM_OUT Analog voltage output Power Ground Ground (power supply) EXT_MIC Analog input Codec_Out Analog output EXT_SPKR- Analog output UART_TXD UART3 TX data USB_GROUDN...

  • Page 46: Other Interfaces

    UHF1 (400‐470 MHz) Interface Definition Pin No. Name Function Audio Ground Ground (Audio) EXT_SPKR+ Analog output UART_RXD UART3 RX data GP5_8 Digital input/output Ground Earth wire GP5_7 Digital input/output GP5_6 Digital input/output PUB_ADDRESS1 Analog output PUB_ADDRESS2 Analog output IGN_SENSE_IN_DB26 Analog voltage input Other Interfaces J1 (to control head socket) Pin No.
  • Page 47 Interface Definition UHF1 (400‐470 MHz) Pin No. Name Function CB_MCSI2_Clk_IO27 CB_UART2_RXD_IO18 CB_MCSI2_nCS_IO7 LED_EN LCD control signal 5VD_CB Power supply: 5 V For grounding CB_MCSI2_DOUT_IO25 ACCIO_0 Accessory identification interface For grounding INT_MIC Internal Mic signal Handset_Audio...

  • Page 48: Tuning Description

    UHF1 (400‐470 MHz) Tuning Description 8. Tuning Description Tools  Radio communication test sets: Aeroflex 3920 and HP8921  15 A/20 V power supply  Multimeter  Tuner software Tuning Procedures 8.2.1 Tuning the radio After re-assembling the radio, you must tune it with the Tuner software. The specific operations are described in the table below.
  • Page 49 Tuning Description UHF1 (400‐470 MHz) Items Method L: 1.1±0.1 W M: 5.0±0.2 W H: 25.0±0.2 W 1. Connect the antenna connector of the radio to HP8921, and set HP8921 to TX test mode. 2. Set the HP8921 parameters as follows: IF Filter: 230 kHz Filter1: <20 Hz HPF Filter2: <15 kHz LPF...
  • Page 50 UHF1 (400‐470 MHz) Tuning Description Items Method value in the dialog box on Tuner until the frequency deviation is 5k±20 Hz. 11. Press the Enter key on the keyboard to confirm your settings. 12. Click the “Transmit Off” button. RX Section 1.

  • Page 51: Testing A Radio

    Tuning Description UHF1 (400‐470 MHz) Items Method 14. Keep the radio in a vertical position. 15. Open the Tuner software, go to “TUNE_DATA -> RX -> Mandown Calibration” in the navigation tree on the left. Mandown Calibration 16. Click the “Read” button to read the calibration data. 17.
  • Page 52 UHF1 (400‐470 MHz) Tuning Description  Lvl: -116.0 dBm Step 4 Click the “Start” button. The average error rate is less than or equal to 5%.

  • Page 53: Pcb View

    PCB View Front Panel PCB View Top Layer...
  • Page 54 Front Panel PCB View Bottom Layer...
  • Page 55 Main Board PCB View Top Layer...
  • Page 56 Main Board PCB View Bottom Layer...

  • Page 57: Block Diagram

    UHF1 (400‐470 MHz) Block Diagram 10. Block Diagram 10.1 Power supply module Baterry Voltage 13.6±15% Q7013\U3002\Q2009 8V5A U2006 Q2021/Q2022/U2017 Q7012/Q7010 U7001/U7002 8V3_TX Q7007 Q7014 3V3A_RF U6001/Q6006/Q6007 9V1A_RX Q2002 Q6103/Q6102/U6000 U2014 U2005 U3001/U3004 3V3A U8004 5VA_FGU Q8006/U8005/Q8004/ U2009 U2008 Q8005/Q8006/U8002 3V3A_FGU U8002/U8001/Q8002 5VA_RX U2015...

  • Page 58: Rf Module

    Block Diagram UHF1 (400‐470 MHz) 10.2 RF module 10.3 Baseband module RF Unit IF processor BB Schematic Block SKY72310 AD9864 TLV5614 TX、RX CTL Diagram TEMP_DET MCSI1 McBSP2 GPIOs McBSP2 REV_DET Audio Codec Nor FLASH and pSRAM Headset TLV320AIC29 FLASH: 8Mx16 McBSP1 Driver datax16...

  • Page 59: Schematic Diagram

    11. Schematic Diagram Front Panel Pwr_Key_In 470pF 470pF ACCIO_0 ACC_I01 INT_MIC INT_MIC INT_SPKN INT_MIC/PWR_KEY_IN SPK- MIC_Ground USB_D- MIC_GROUND 5VD_CB Handset_Audio USB_D- HANDSET_AUDIO INT_SPKP MIC_GROUND INT_SPKP INT_SPKP 5VD_CB INT_SPKN 470pF 470pF INT_SPKN 3900pF 3900pF INT_MIC INT_SPKN INT_MIC GND1 USB_D+ 5VD_CB 470pF 470pF USB_D+ 5V_CB...
  • Page 60 Memory U1003 U1003 TP1014 TP1014 S29GL128S10GHIV20 S29GL128S10GHIV20 F_A1 F_A2 F_A3 F_D0 F_A4 F_D1 F_A5 F_D2 U1002A U1002A F_A6 F_D3 SDR_A0 F_A1 F_A7 F_D4 SDRAM.A0 FLASH.A1 SDR_A1 F_A2 F_A8 F_D5 SDRAM.A1 FLASH.A2 SDR_A2 F_A3 F_A9 F_D6 SDRAM.A2 FLASH.A3 SDR_A3 F_A4 F_A10 F_D7 SDRAM.A3 FLASH.A4...
  • Page 61 OMAP_CORE [16] OMAP_19.2M R1081 R1081 TP1018 TP1018 X1001 X1001 SSP-T7-F SSP-T7-F L1003 L1003 C1028 C1028 C1029 C1029 20pF 20pF 470nH 470nH 20pF 20pF C1038 C1038 C1032 C1032 82pF(NC) 82pF(NC) 1000pF 1000pF 1V6D 1V6D U1002C U1002C 1V6D C1033 C1033 C1040 C1040 C1034 C1034 C1041...
  • Page 62 OMAP_SI_Peripheral U1002B U1002B OMAP5912ZZG OMAP5912ZZG 3V3D [10] EXT_PTT MPUIO2/SPIF.CS1/UWIRE.CS1 LCD.P0 [12] AD9864_SPI_CS MPUIO4/SPIF.CS2/UWIRE.CS2/LED2 LCD.P1 [12] AD9864_SPI_SCK MPUIO1/SPIF.SCK LCD.P2 GPIO46/SPIF.DOUT/UWIRE.SDO LCD.P3 [12] AD9864_SPI_DO R1083 R1083 R1033 R1033 [12] AD9864_SPI_DIN GPIO47/SPIF.DIN/UWIRE.SDI LCD.P4 [10] PRGM_IN6 MPUIO1/UWIRE.SCLK LCD.P5 LCD.P6 R1034 R1034 [16] PLL_LD GPIO2 LCD.P7 R1032 R1032...
  • Page 63 Power TP2003 TP2003 TP2001 TP2001 TP2002 TP2002 B2001 B2001 B2002 B2002 L2007 L2007 L2013 L2013 LQM21PN3R3NGRD LQM21PN3R3NGRD L2008 L2008 L2016 L2016 U2001 U2001 3V3D_RF CDRH4D16NP_100MC 10uH CDRH4D16NP_100MC 10uH BLM18PG181SN1D BLM18PG181SN1D XC6209F332MR XC6209F332MR 3V3D BLM18PG181SN1D BLM18PG181SN1D 13V6 VOUT R2005 R2005 L2001 L2001 C2035 C2035...
  • Page 64 Power CTRL 3V3D 3V3D R2026 R2026 nRst1 nRst1 R2031 R2031 4.7k 4.7k R2029 R2029 VOTG_DET U2011 U2011 13V6 D2006 D2006 Q2007 Q2007 VOUT DTC114EE DTC114EE R2030 R2030 C2054 C2054 VSEN nRst UDZSTE(1715B)15V UDZSTE(1715B)15V 470pF 470pF R2032 R2032 U2012 U2012 XC6118N28AMR-G XC6118N28AMR-G C2056 C2056...
  • Page 65 CODEC_CLK Codec TP3007 TP3007 CODEC_SSI_DO TP3006 TP3006 CODEC_SSI_DI TP3005 TP3005 CODEC_SSI_WCLK TP3004 TP3004 CODEC_SSI_BCLK TP3001 TP3001 CODEC_nDAV CODEC_UWIRE_nCS3 CODEC_UWIRE_SDO CODEC_UWIRE_SDI CODEC_UWIRE_CLK CODEC_CLK CODEC_SSI_DO CODEC_SSI_DI CODEC_SSI_WCLK CODEC_SSI_BCLK RN3001 RN3001 3V3A 100*4 100*4 1V8D C3001 C3001 0.1uF 0.1uF C3012 C3012 3V3D 10uF/10V 10uF/10V R3001 R3001...
  • Page 66 Codec_OUT L3001 L3001 8V5D 8V5A BLM18PG181SN1D BLM18PG181SN1D C3077 C3077 Int_Spkp [11] C3076 C3076 C3004 C3004 C3003 C3003 4.7uF/16V 4.7uF/16V C3005 C3005 470pF 470pF 10uF/25V 10uF/25V 0.1uF 0.1uF Int_Spkn [11] 470pF 470pF TP3002 TP3002 EXT_SPKR+ [10] EXT_SPKR- [10] U3003B U3003B TP3003 TP3003 8V5D NJM2904V...
  • Page 67 3V3D Peripheral2 PRGM_OUT8 PRGM_IN8 Emer_Pwr_On PRGM_OUT7 3V3D PRGM_IN7 R5031 R5031 PRGM_OUT3 R5032 R5032 PRGM_IN3 IGN_SENSE IGN_SENSE_IN TDMASLOT_OUT PRGM_IN2 Q5002 Q5002 PRGM_OUT6 DTC114EE DTC114EE ALARM PRGM_IN6 R5033 R5033 R5034 3k R5034 3k PRGM_OUT5 13V6_EXT R5036 R5036 R5037 10k R5037 10k EXT_PTT R5035 10k R5035 10k Q5003...
  • Page 68 Peripheral1 3V3D 3V3D R5001 R5001 R5002 R5002 C5001 C5001 C5002 C5002 C5003 C5003 C5004 C5004 C5005 C5005 C5006 C5006 4.7k 4.7k 4.7k 4.7k C5007 C5007 C5008 C5008 C5009 C5009 C5010 C5010 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF...
  • Page 69 RX-BACK-END TP6002 TP6002 2LO_CV 2LO_CV 3V3A_RX 3V3A_IF 3V3A_IFMX L6001 L6001 L6002 L6002 5VA_RX L6003 L6003 Q6002 Q6002 BLM15PD121SN1 BLM15PD121SN1 2SC4617 2SC4617 BLM18PG600SN1 BLM18PG600SN1 BLM15PD121SN1 BLM15PD121SN1 R6001 R6001 C6001 C6001 R6004 R6004 2.2uF 2.2uF 2.2K 2.2K C6005 C6005 CP_2LO [12] C6006 C6006 R6008 R6008...
  • Page 70 RX-FRONT-END L6007 L6007 C6028 C6028 C6027 C6027 8V3A_RX BLM15PD121SN1 BLM15PD121SN1 0.1uF 0.1uF 470pF 470pF R6102 R6102 R6104 R6104 8V3A_RX R6101 R6101 C6029 C6029 L6009 L6009 1000pF 1000pF Q6101 Q6101 BLM15PD121SN1 BLM15PD121SN1 UMT1N UMT1N R6013 R6013 L6008 L6008 C6030 C6030 2.7k 2.7k 18nH 18nH...
  • Page 71 TX-CTRL C7002 C7002 3.6pF 3.6pF D7004 D7004 R7003 R7003 R7004 R7004 R7005 R7005 RB706F RB706F 100ohm 100ohm 100K 100K L7002 L7002 L7015 L7015 R7002 R7002 [15] Power_DET_R 22nH 22nH 12nH 12nH R7008 R7008 C7006 C7006 R7007 R7007 8V5A C7005 C7005 R7001 R7001 R7006...
  • Page 72 TX-PA-LINEUP 8V5A L7008 L7008 L7009 L7009 L7010 L7010 8V3_TX BLM18AG601SN1 BLM18AG601SN1 BLM18PG181SN1D BLM18PG181SN1D BLM41PG600SN1 BLM41PG600SN1 C7037 C7037 C7038 C7038 C7039 C7039 C7030 C7030 C7034 C7034 C7032 C7032 C7031 C7031 C7035 C7035 C7036 C7036 10u/25V 10u/25V L7032 L7032 220pF 220pF 27pF 27pF 0.1uF 0.1uF...
  • Page 73 FGU-PLL/DAC 3V3A_FGU_PLL 3V3A_FGU PLL_Clk PLL_Clk R8088 R8088 PLL_MCSI1_CLK C8143 C8143 L8001 L8001 R8002 R8002 C8014 C8014 C8034 C8034 C8005 C8005 C8006 C8006 BLM15PD121SN1 BLM15PD121SN1 C8013 C8013 0.1uF 0.1uF 470pF 470pF 0.1uF 0.1uF 470pF 470pF 100pF 100pF 5VA_FGU PLL_CS PLL_CS 4.7uF/10V 4.7uF/10V C8009 C8009...
  • Page 74 FGU-VCO VCC_VCO_L 5VA_FGU L8010 L8010 EM6M2 Q8001 EM6M2 Q8001 Q8008 Q8008 BLM15PD121SN1 BLM15PD121SN1 L8047 L8047 2SC4617 2SC4617 VCC_VCO_L BLM15PD121SN1 BLM15PD121SN1 C8151 C8151 C8154 C8154 L8011 L8011 R8045 R8045 R8094 R8094 470p 470p 470p 470p R8047 R8047 4.7K 4.7K VCO_L_En BLM15PD121SN1 BLM15PD121SN1 C8063 C8063...
  • Page 75 3V3_GPS 13V6 R9013 R9013 R9017 R9017 3V3_RTC L9006 L9006 4.7k 4.7k BLM15AG121SN1 BLM15AG121SN1 D9005 D9005 C9087 C9087 C9008 C9008 R9016 R9016 UDZSTE(175.1B) UDZSTE(175.1B) 56pF 56pF 10uF/10V 10uF/10V C9084 C9084 C9076 C9076 C9083 C9083 TP9004 TP9004 0.1uF 0.1uF 56pF 56pF 1PPS GPS_1PPS W9001 W9001...

  • Page 76: Parts List

    Parts List UHF1 (400‐470 MHz) 12. Parts List 12.1 Main board Print Print Part No. Description Part No. Description PA shielding 6203434000000 765 L1005 3221506181000 Ferrite bead cover_A PA shielding 6203435000000 766 L1006 3221506181000 Ferrite bead cover_B C1001 T3A 3101051040060 0.1uF 767 L1007 3221505121010 Ferrite bead C1002 T3A...
  • Page 77 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description C1024 B4B 3101051040060 0.1uF 790 L6005 3210406471000 470nH C1025 T3B 3101072260000 22uF 791 L6006 3217107331000 330nH C1028 T4B 3101052000020 20pF 792 L6007 3221505121010 Ferrite bead C1029 T4B 3101052000020 20pF 793 L6008 3210306180000 18nH...
  • Page 78 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description C1059 B3A 3101051010030 100pF 819 L7006 3212106120000 12nH C1060 T4A 3101051050160 1uF 820 L7008 3221506601000 Ferrite bead C1061 T4B 3101051040060 0.1uF 821 L7009 3221506181000 Ferrite bead C1062 B4A 3101051030020 0.01uF 822 L7010 3221513600000 Ferrite bead...
  • Page 79 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description C2030 T4C 3101062250000 2.2uF 848 L7906 3233099185900 18.5nH C2031 T4C 3101061040090 0.1uF 849 L8001 3221505121010 Ferrite bead C2032 T3C 3101051040060 0.1uF 850 L8002 3221505121010 Ferrite bead C2033 T3C 3101061050020 1uF 851 L8003 3221505121010 Ferrite bead...
  • Page 80 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 113 C2060 B2B 3101051040010 0.1uF 877 L8030 3217106100000 10nH 114 C2061 B2A 3101092260010 22uF 878 L8031 3210306270000 27nH 115 C2062 B3B 3101051040060 0.1uF 879 L8032 3217106100000 10nH 116 C2063 T4C 3101061040090 0.1uF 880 L8033...
  • Page 81 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description Bias resistor 141 C2089 T3B 3101071060010 10uF 905 Q2007 3403008000010 transistor Compound 142 C2090 B2C 3101061040090 0.1uF 906 Q2008 3499000000150 transistor 143 C2092 T2B 3101051010030 100pF 907 Q2009 3403002000010 PNP transistor 144 C2093 T4E 3101051040060 0.1uF...
  • Page 82 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description Bias resistor 164 C2114 B4A 3101081060010 10uF 928 Q5003 3403008000010 transistor Bias resistor 165 C2115 B3A 3101051040060 0.1uF 929 Q5004 3414999000000 transistor 166 C2116 T3A 3101051040060 0.1uF 930 Q5005 3403002000000 PNP transistor Bias resistor...
  • Page 83 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 187 C3011 B3B 3101051040060 0.1uF 951 Q7010 3504990000070 N-MOSFET [MSD3] PA 188 C3012 B3B 3101071060010 10uF 952 Q7012 3504990000010 MOSFET 189 C3013 B3C 3101051040060 0.1uF 953 Q7013 3601017000000 RF PA module 190 C3014 B3A 3101064740000 0.47uF...
  • Page 84 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 212 C3036 B3C 3101051010030 100pF 976 R1036 3001051010000 100Ω 213 C3037 B3B 3101052210010 220pF 977 R1037 3001051010000 100Ω 214 C3038 B3C 3101061050020 1uF 978 R1038 3001051010000 100Ω 215 C3039 B3C 3101061050020 1uF 979 R1039...
  • Page 85 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 241 C3065 B3B 3101061050020 1uF 1005 R1072 3001051000020 10Ω 242 C3066 B3B 3101061050020 1uF 1006 R1073 3001051030000 10KΩ 243 C3067 B3B 3101052210010 220pF 1007 R1074 3001051030000 10KΩ 244 C3068 B3B 3101061050020 1uF 1008 R1075...
  • Page 86 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 270 C5017 T4B 3101051040060 0.1uF 1034 R2024 3001053320010 3.3KΩ 271 C5018 B2A 3101052210010 220pF 1035 R2025 3001055620010 5.6KΩ 272 C5019 B2A 3101052210010 220pF 1036 R2026 3001051030000 10KΩ 273 C5020 B2B 3101052210010 220pF 1037 R2027...
  • Page 87 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 299 C5065 B4B 3101051010030 100pF 1063 R2053 3001054730000 47KΩ 300 C5066 B4B 3101051010030 100pF 1064 R2054 3001052720010 2.7KΩ 301 C5067 B4B 3101051010030 100pF 1065 R2055 3001051030000 10KΩ 302 C5068 B4B 3101051010030 100pF 1066 R2056...
  • Page 88 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 328 C6025 T4E 3101011040080 0.1uF 1092 R2083 3001053320010 3.3KΩ 329 C6026 B4E 3101064700000 47pF 1093 R2084 3001051820010 1.8KΩ 330 C6027 B4F 3101054710010 470pF 1094 R2085 3001053020010 3KΩ 331 C6028 B4F 3101051040010 0.1uF 1095 R2086...
  • Page 89 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 357 C6055 T4E 3101011030050 0.01uF 1121 R3022 3001051010000 100Ω 358 C6056 T4E 3101063320000 3300pF 1122 R3023 3001051030000 10KΩ 359 C6057 T4E 3101011040080 0.1uF 1123 R3024 3001051030000 10KΩ 360 C6058 T3E 3101076840020 0.68uF 1124 R3025...
  • Page 90 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 386 C6121 3101051590000 1.5pF 1150 R3053 3001054730000 47KΩ 387 C6122 3101051590000 1.5pF 1151 R3054 3001054730000 47KΩ 388 C6123 B4F 3101051210000 120pF 1152 R5001 3001054720000 4.7KΩ 389 C6124 3101051590000 1.5pF 1153 R5002 3001054720000 4.7KΩ...
  • Page 91 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 415 C6155 B4E 3101051030020 0.01uF 1179 R5028 3001051030000 10KΩ 416 C6156 B3E 3101054710010 470pF 1180 R5029 3001051030000 10KΩ 417 C6157 B4E 3101061010010 100pF 1181 R5030 3001051030000 10KΩ 418 C6159 B4E 3101052210010 220pF 1182 R5031...
  • Page 92 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 444 C7045 T3D 3101062210000 220pF 1208 R5057 3001053330010 33KΩ 445 C7046 T3C 3101068200040 82pF 1209 R5058 3001061010000 100Ω 446 C7047 B4E 3101062210000 220pF 1210 R5059 3001053330010 33KΩ 447 C7048 B4E 3101064700000 47pF 1211 R5060...
  • Page 93 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 473 C7083 B2E 3101051020010 1000pF 1237 R6004 3001052220010 2.2KΩ 474 C7085 T1E 3101071800020 18pF 1238 R6005 3001052220010 2.2KΩ 475 C7086 T2E 3101073390000 3.3p 1239 R6006 3001011030080 10KΩ 476 C7087 T3E 3101074790000 4.7p 1240 R6007...
  • Page 94 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 502 C7132 B2C 3101064790010 4.7pF 1266 R6103 3001052730010 27KΩ 503 C7133 B2C 3101074700060 47pF 1267 R6104 3001062200000 22Ω 504 C7135 3101078290010 8.2p 1268 R6105 3001066810000 680Ω 505 C7136 3101071200020 12pF 1269 R6106 3001055620010 5.6KΩ...
  • Page 95 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 531 C7171 T2D 3101062000000 20pF 1295 R7012 3001051010000 100Ω 532 C7172 T2C 3101062000000 20pF 1296 R7013 3001051020000 1KΩ 533 C8001 T4C 3101011040080 0.1uF 1297 R7014 3001054740000 470KΩ 534 C8002 T4D 3101064750140 4.7uF 1298 R7015...
  • Page 96 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 560 C8028 T4D 3101053900000 39pF 1324 R7063 3001052720010 2.7KΩ 561 C8029 T4D 3101011020060 1000pF 1325 R7064 3001051040000 100KΩ 562 C8032 T4C 3101014710010 470pF 1326 R7065 3001052220010 2.2KΩ 563 C8033 T4D 3101074740020 0.47uF 1327 R7066...
  • Page 97 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 589 C8062 B4D 3101014710010 470pF 1353 R7095 3001113300000 33Ω 590 C8063 B4D 3101014710010 470pF 1354 R7098 3001061810000 180Ω 591 C8064 B4D 3101050600010 6pF 1355 R7099 3001076800000 68Ω 592 C8065 B4D 3101063690000 3.6pF 1356 R7100...
  • Page 98 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 618 C8091 T4D 3101050600010 6pF 1382 R8003 3001011000050 10Ω 619 C8092 B4D 3101060600010 6pF 1383 R8004 3001011000050 10Ω 620 C8093 B4D 3101060600010 6pF 1384 R8005 3001052220010 2.2KΩ 621 C8094 B4D 3101060100010 1pF 1385 R8006...
  • Page 99 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description 647 C8125 T4D 3101011040080 0.1uF 1411 R8040 3001014720050 4.7KΩ 648 C8126 T4E 3101052200010 22pF 1412 R8041 3001011030080 10KΩ 649 C8128 B4D 3101054710010 470pF 1413 R8042 3001011030080 10KΩ 650 C8129 B4C 3101011030050 0.01uF 1414 R8043...
  • Page 100 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description 676 C9084 T2B 3101051050000 1uF 1440 R8069 3001052200010 22Ω 677 C9087 T2B 3101055600000 56pF 1441 R8070 3101018220000 8.2KΩ 678 C9090 T2A 3101051040010 0.1uF 1442 R8071 3001051210010 120Ω 679 C9096 T2A 3001050000000 0Ω...
  • Page 101 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description ESD protection 704 D5002 B2A 3310040000030 1468 R9007 3001051010000 100Ω diode ESD protection 705 D5003 B2B 3310040000030 1469 R9013 3001054720000 4.7KΩ diode ESD protection 706 D5004 B2B 3310040000030 1470 R9016 3001062030000 20KΩ...
  • Page 102 Parts List UHF1 (400‐470 MHz) Print Print Part No. Description Part No. Description diode ESD protection 724 D5025 B2C 3399040600000 1488 U1004 3607010000400 Logic IC diode ESD protection Power 725 D5026 B2A 3310040000030 1489 U2001 3608015000180 diode management IC ESD protection Power 726 D5027 T2A 3310040000030...
  • Page 103 UHF1 (400‐470 MHz) Parts List Print Print Part No. Description Part No. Description amplifier 745 D8001 T4C 3303030800020 Switching diode 1509 U3004 3616010000000 Switch IC Schottky barrier Operational 746 D8002 T4C 3301990000030 1510 U3005 3605010000020 diode amplifier Schottky barrier Operational 747 D8003 T4D 3301990000030 1511 U3006...
  • Page 104 Parts List UHF1 (400‐470 MHz) 12.2 Front Panel Ref No. Part No. Description Ref No. Part No. Description 3101054710010 470pF 3307110100130 3101054710010 470pF 3307110100130 3101051040060 0.1uF 3307110100130 3101051040060 0.1uF 3310240200000 ESD protection diode 3101051040060 0.1uF 3310240200000 ESD protection diode 3101051040060 0.1uF 3310240200000 ESD protection diode...
  • Page 105 UHF1 (400‐470 MHz) Parts List 12.3 GPS Circuit Ref No. Part No. Description Ref No. Part No. Description C9001 3101054710010 470pF R9001 3001051030000 10KΩ C9008 3101071060010 10uF R9002 3001051030000 10KΩ C9076 3101051040010 0.1uF R9005 3001053300010 33Ω C9083 3101055600000 56pF R9006 3001051010000 100Ω...
  • Page 106 VHF1 (136‐174 MHz)
  • Page 107 VHF1 (136‐174 MHz) Contents Contents 1. Product Controls ..........................1 2. Disassembly and Assembly ........................ 3 2.1 Disassembling ..........................3 2.2 Assembling ............................4 3. Exploded View and Packaging Guide ....................6 3.1 Exploded View ..........................6 3.2 Packaging Guide ..........................8 4.
  • Page 108 Contents VHF1 (136‐174 MHz) 8.2.1 Tuning the radio ........................41 8.2.2 Testing a radio ........................44 9. PCB View ............................. 46 10. Block Diagram ..........................47 10.1 Power supply module ........................47 10.2 RF module ............................ 48 10.3 Baseband module ......................... 48 11.
  • Page 109 VHF1 (136‐174 MHz) Product Controls 1. Product Controls Front Panel Part Name Part Name Remote Speaker Microphone Decoration Piece Connector Power On/Off Key Plastic Front Cover Rear Panel Part Name Part Name RF Antenna Connector Accessory Connector Power Interface GPS Antenna Connector Note GPS antenna connector is for MD65X mobile radio with GPS feature only.
  • Page 110 Product Controls VHF1 (136 - 174 MHz) Bottom View Part Name Part Name Label Fan Cover...
  • Page 111 VHF1 (136‐174 MHz) Disassembly and Assembly 2. Disassembly and Assembly Disassembling Step 1 Turn off the radio and detach the power cord and antenna. Step 2 Remove the two screws on the front panel and take out the plastic front cover. Step 3 Remove the four screws securing the PCB and take out the PCB.
  • Page 112 Disassembly and Assembly VHF1 (136‐174 MHz) Step 5 Take out the upper cover of the aluminum chassis, and then take out the main PCB. Assembling To assemble the repeater after disassembling, perform the above steps in a reversed order. Moreover, do as follows: Step 1 Secure the microphone hanger using three self-tapping screws (white, 4.0x16).
  • Page 113 VHF1 (136‐174 MHz) Disassembly and Assembly Step 2 Secure the radio bracket using four or six self-tapping screws (black, 4.8x20). Step 3 Fasten the adjusting screws on both sides with a silicone rubber pad for each side. Step 4 Connect the palm microphone to the radio via the connector in the front panel. Place the palm microphone on the hanger when you do not use it.
  • Page 114 Exploded View and Packaging Guide VHF1 (136‐174 MHz) 3. Exploded View and Packaging Guide Exploded View Parts list: Part No. Part Name Qty. Part No. Part Name Qty. 6002081001000 Fan Cover 6001279000000 Waterproof cover 7103015000000 Screws M3.0x15.0mm 4210000000600 FFC cable 5401000000210 6100999100000 Waterproof ring for front...
  • Page 115 VHF1 (136‐174 MHz) Exploded View and Packaging Guide Part No. Part Name Qty. Part No. Part Name Qty. case Lower cover for Control board 6300231000000 aluminum chassis components Heat sink pad Screws M2.0x5.0mm 7500358000000 7102005000300 Waterproof ring for 4220071000000 GPS signal cable 6100408001000 palm microphone connector...
  • Page 116 Exploded View and Packaging Guide VHF1 (136‐174 MHz) Packaging Guide...

  • Page 117: Specifications

    VHF1 (136‐174 MHz) Specifications and Blind Spots 4. Specifications and Blind Spots Specifications The following table specifies specifications for the radio (VHF). General Frequency Range 136‐174 MHz Channel Capacity 1024 Group Capacity 64 (16 channels at most for each group) Channel Spacing 12.5 kHz /20 kHz /25 kHz Operating Voltage...
  • Page 118 Specifications and Blind Spots VHF1 (136‐174 MHz)  12.5 kHz (data only): 7K60FXD 4FSK Digital Modulation  12.5 kHz (data and voice): 7K60FXW  ±2.5 kHz@12.5 kHz Modulation Limiting  ±4.0 kHz@20 kHz  ±5.0 kHz@25 kHz  -40 dB@12.5 kHz FM Hum and Noise ...
  • Page 119 VHF1 (136‐174 MHz) Specifications and Blind Spots  ETSI: 70 dB@12.5/20/25 kHz  TIA-603:90 dB Blocking  ETSI: 84 dB  -40 dB@12.5 kHz Hum and Noise  -43 dB@20 kHz  -45 dB@25 kHz  Internal (20 Ω load): 1.5 W Rated Receiving Audio Power ...
  • Page 120 Specifications and Blind Spots VHF1 (136‐174 MHz) visible under rated -130 dBm signal strength) TTFF (Time To First Fix) Cold Start < 1 minute TTFF Hot Start < 10 seconds Horizontal Accuracy < 10 meters Note All Specifications are tested according to applicable standards, and subject to change without notice due to continuous development.

  • Page 121: Power Supply

    VHF1 (136‐174 MHz) Circuit Description 5. Circuit Description Front Panel Front panel includes components such as Power On/Off key and fan. The function diagram is shown above. Power Supply The front panel is powered by the main board via Q5017, which is used as power supply for LED indicator and USB devices.
  • Page 122 Circuit Description VHF1 (136‐174 MHz) Baseband Section 5.2.1 Power Supply Module Baterry Voltage 13.6±15% Q7013\U3002\Q2009 8V5A U2006 Q2021/Q2022/U2017 Q7012/Q7010 U7001/U7002 8V3_TX Q7007 Q7014 3V3A_RF U6001/Q6006/Q6007 9V1A_RX Q2002 Q6103/Q6102/U6000 U2014 U2005 U3001/U3004 3V3A U8004 5VA_FGU Q8006/U8005/Q8004/ U2009 U2008 Q8005/Q8006/U8002 3V3A_FGU U8002/U8001/Q8002 5VA_RX U2015 Q6002/U6001...
  • Page 123 VHF1 (136‐174 MHz) Circuit Description Both the baseband control IC and the RF section can convert the supplied voltage to an appropriate one via the voltage converter. See below:  Supply for RF: U2017, Q9021 and Q9022 supply power for the RF section by high current MOS transistor and comparator, which can work as LDO (Low Dropout Regulator).
  • Page 124 Circuit Description VHF1 (136‐174 MHz) Emergency Alarm When the emergency alarm pin is at low level, R2048 is grounded, and Q2010 is turned on to supply power for the whole system. Meanwhile, Q2011 is also turned on. When low level is detected from U1002 but the radio is powered off, the system will output the level Pwr_Hold and send emergency alarm signal.
  • Page 125 VHF1 (136‐174 MHz) Circuit Description 5.2.3 Interface Distribution SPI Interface SPI interface of processor U1002 operates in Master Mode, and is controlled by MPU or DMA. In Master Mode, U1002 can provide 4 chip select signals, of which CS2 is used to control the IF processor U6001. MCSI Interface When communicating with U8001, U1002 works in Master Mode with clock frequency of up to 9.6 MHz.
  • Page 126 Circuit Description VHF1 (136‐174 MHz) SSI Interface U1002 has a total of three McBSP interfaces: McBSP1, McBSP2 and McBSP3, and it is compatible with various interfaces. McBSP1 is connected to the I2S interface of the audio processor, to realize two-way transmission of digital voice and data.
  • Page 127 VHF1 (136‐174 MHz) Circuit Description UART Interface Processor U1002 has a total of three UART interfaces, which are used to communicate with different external devices. UART3 is used for communication with Option Board and accessory connector. Mobile Accessory Connector (MAC) Mobile accessory connector contains audio interface, programmable I/O port, serial port, USB port, accessory identifier port, etc, which are available for further development.
  • Page 128 Circuit Description VHF1 (136‐174 MHz) Voltage of I/O of the Option Board Pin No. Signal Function Remarks Radio VDD=3.3 V MAX=0.22VDD They require their input resistances are above or equal to 47 kΩ. UART-TX UART-RX UART UART UART-CTS UART-RTS I2C –SDA I2C -SCL MCBSP-DR MCBSP-WCL...
  • Page 129 VHF1 (136‐174 MHz) Circuit Description Voltage of I/O of the Option Board Pin No. Signal Function Remarks Radio VDD=3.3 V 3V6 or 5V Power Voltage: 5.0 V 5.2.4 Audio Module PA_Enable INT_SPK Vol_Ctl Right U3002 U3006A U1002 Vol_Ctl McBSP1 Left Mic_Bias PUB_ADDRESS_MIC_EN U3005B...
  • Page 130 Circuit Description VHF1 (136‐174 MHz) HANDSET_AUDIO, RX_AUDIO, PUB_ADDESS1 and PUB_ADDESS2. The first two paths are amplified by U3005, and the last two paths are amplified by U3006. Output of HANDSET_AUDIO, PUB_ADDESS1 and PUB_ADDESS2 are controlled by Q3001, Q3006 and Q3003 respectively. TX Audio Path The audio processor U3001 has two MIC inputs: the internal MIC and external MIC.
  • Page 131 VHF1 (136‐174 MHz) Circuit Description Voltage V A_TX Detec High Temperature Protection OMAP Tx/Rx Switch Tx_PORT Microstrip TX_LO Attenuator Match Match Match Matcher Microstrip Dual Harmonic Rx_PORT Directional Coupler RD01 Filter RD07 Firststage PreDriver Driver PD85035S Forward Reflect Detector Detector Finalstage Alarm to ADC VSWR Protection...
  • Page 132 Circuit Description VHF1 (136‐174 MHz) diodes D7007 and D7008. Quiescent bias current of the PIN diode is controlled by the resistors R7111 and R7047. In this mode, D7007 is turned on; RF signals are sent to the low-pass filter (composed of C7141, C7142, C7139, C7153, C7154, L7043, L7044 and L7045) and then transmitted via the antenna port.
  • Page 133 VHF1 (136‐174 MHz) Circuit Description 5.3.2 Receiver Circuit The receiver utilizes double conversion superheterodyne technique. The first IF is 44.85 MHz and the second IF is 2.25 MHz. The first local oscillator signal is provided by the PLL circuit U8001, and the second local oscillator signal (47.1 MHz) is provided by the PLL circuit U6001.

  • Page 134: Pll Synthesizer

    Circuit Description VHF1 (136‐174 MHz) Receiver Back-end The first IF signal (44.85 MHz) output by the IF amplifier goes into IF IC via Pin 47, where the signal is converted to the second IF signal (2.25 MHz). Then the un-demodulated digital I/Q signal output from the SSI interface is sent to U1002 for demodulation.
  • Page 135 VHF1 (136‐174 MHz) Circuit Description The 19.2 MHz frequency generated by reference crystal oscillator (X8001) goes into PLL IC (U8001) for division, generating the reference frequency. Meanwhile, the frequency generated by VCO goes into PLL IC (U8001) for frequency division. The resulting frequency will be compared with reference frequency in terms of phase difference in the phase detector.
  • Page 136 Circuit Description VHF1 (136‐174 MHz) GPS Circuit Antenna Power UART OMAP module REB-1315LPX Palm Microphone GPS positioning information can be acquired via the programmed GPS key on the front panel. The GPS function is realized via REB-1315LPx module, which internally integrates GPS baseband processor circuits.
  • Page 137 VHF1 (136‐174 MHz) Troubleshooting Flow Chart 6. Troubleshooting Flow Chart Control Circuit Control circuit check RF circuit cannot be Power-on display is Confirm control circuit driven normally normal? Reconnect the palm Palm microphone is microphone connected normally? Control head cable is Replace the cable normal? Crystal X8001...
  • Page 138 Troubleshooting Flow Chart VHF1 (136‐174 MHz) GPS Circuit Replace GPS module Start Replace the Check the antenna antenna Check peripheral Replace components of the damaged module components Replace U2002 Can the radio perform Poor RX signal positioning? Replace connector W9001 SIRF Demo software on the 3.3 V output by U2002 is...
  • Page 139 VHF1 (136‐174 MHz) Troubleshooting Flow Chart No Power Output Power supply is Check power supply normal? circuit Current is Control voltage is Check U7002 normal?[1] normal?[2] High Check large PA match Refer to the network, antenna switch, troubleshooting flow TX VCO is normal?[3] low-pass network, etc.
  • Page 140 Troubleshooting Flow Chart VHF1 (136‐174 MHz) [2] The APC voltage at TP811 should be above 2 V. [3] Check whether there is an appropriate TX LO signal at C7047. [4] Check whether the gain is 15 dB and the input signal is +5 dBm at Q7012. [5] Check whether the gain is 15 dB and the input signal is +20 dBm at Q7010.
  • Page 141 VHF1 (136‐174 MHz) Troubleshooting Flow Chart Receiver Circuit No Receive Check the power- Q2021 (9V1A) output on circuit is normal? Q2002(9V1A_RX) Replace the front Front panel output is output is normal? panel normal?[1] Check Q2021 and Q2002 Check Q6004 Input an IF signal of 44.85 Second LO is and peripheral MHz to test whether it is...
  • Page 142 Troubleshooting Flow Chart VHF1 (136‐174 MHz) [2] Use the communication test set to input a 44.85 MHz IF signal at the mixer, and check whether it can be processed normally afterwards. [3] Use a spectrum analyzer to check whether TP6004 can output the second LO signal (47.1 MHz). [4] Use the communication test set to input an RF signal of -100 dBm, and test the sensitivity.
  • Page 143 VHF1 (136‐174 MHz) Troubleshooting Flow Chart Frequency Generation Unit (FGU) Check U2009(5V) and Replace U2009 U2008(3.3V) and U2008 voltages are normal? Q8008(4.3V) Replace Q8008 voltage is normal? Replace Q8002 and VCO oscillates Q8002 and Q8007 Q8002 and Q8007 are normal?[2] Q8007 normally?[1] are normal?[3]...
  • Page 144 Troubleshooting Flow Chart VHF1 (136‐174 MHz) [3] Check whether the emitter voltage of Q8002 and Q8007 is about 1.8 V under normal RX/TX status. [4] Check the CV of TP8002. The normal value should range from 0.5 to 4.5 V. [5] Check whether the power supplies 5 V and 3.3 V of PLL U8001 is normal.
  • Page 145 VHF1 (136‐174 MHz) Interface Definition 7. Interface Definition 10-pin Aviation Interface The 10-pin aviation interface on the front panel is used for audio accessories or data cable connection. The definition of each pin is described as below. Pin No. Name Function ACCIO_0 Digital input...
  • Page 146 Interface Definition VHF1 (136‐174 MHz) Pin No. Name Function 5VD_EXT Power supply: +5V Ground Earth wire GP5_3 Digital input/output 13V6_Ext Power supply EXT_ALARM_OUT Analog voltage output Power Ground Ground (power supply) EXT_MIC Analog input Codec_Out Analog output EXT_SPKR- Analog output UART_TXD UART3 TX data USB_GROUDN...
  • Page 147 VHF1 (136‐174 MHz) Interface Definition Pin No. Name Function Audio Ground Ground (Audio) EXT_SPKR+ Analog output UART_RXD UART3 RX data GP5_8 Digital input/output Ground Earth wire GP5_7 Digital input/output GP5_6 Digital input/output PUB_ADDRESS1 Analog output PUB_ADDRESS2 Analog output IGN_SENSE_IN_DB26 Analog voltage input Other Interfaces J1 (to control head socket) Pin No.
  • Page 148 Interface Definition VHF1 (136‐174 MHz) Pin No. Name Function CB_MCSI2_Clk_IO27 CB_UART2_RXD_IO18 CB_MCSI2_nCS_IO7 LED_EN LCD control signal 5VD_CB Power supply: 5 V For grounding CB_MCSI2_DOUT_IO25 ACCIO_0 Accessory identification interface For grounding INT_MIC Internal Mic signal Handset_Audio...
  • Page 149 VHF1 (136‐174 MHz) Tuning Description 8. Tuning Description Tools  Radio communication test sets: Aeroflex 3920 and HP8921  15 A/20 V power supply  Multimeter  Tuner software Tuning Procedures 8.2.1 Tuning the radio After re-assembling the radio, you must tune it with the Tuner software. The specific operations are described in the table below.
  • Page 150 Tuning Description VHF1 (136‐174 MHz) Items Method L: 1.1±0.1 W M: 5.0±0.2 W H: 25.0±0.2 W 1. Connect the antenna connector of the radio to HP8921, and set HP8921 to TX test mode. 2. Set the HP8921 parameters as follows: IF Filter: 230 kHz Filter1: <20 Hz HPF Filter2: <15 kHz LPF...
  • Page 151 VHF1 (136‐174 MHz) Tuning Description Items Method value in the dialog box on Tuner until the frequency deviation is 5k±20 Hz. 11. Press the Enter key on the keyboard to confirm your settings. 12. Click the “Transmit Off” button. RX Section 1.
  • Page 152 Tuning Description VHF1 (136‐174 MHz) Items Method 14. Keep the radio in a vertical position. 15. Open the Tuner software, go to “TUNE_DATA -> RX -> Mandown Calibration” in the navigation tree on the left. Mandown Calibration 16. Click the “Read” button to read the calibration data. 17.
  • Page 153 VHF1 (136‐174 MHz) Tuning Description  Lvl: -116.0 dBm Step 4 Click the “Start” button. The average error rate is less than or equal to 5%.
  • Page 154 PCB View Front Panel PCB View Top Layer...
  • Page 155 Front Panel PCB View Bottom Layer...
  • Page 156 Main Board PCB View Top Layer...
  • Page 157 Main Board PCB View Bottom Layer...
  • Page 158 VHF1 (136‐174 MHz) Block Diagram 10. Block Diagram 10.1 Power supply module Baterry Voltage 13.6±15% Q7013\U3002\Q2009 8V5A U2006 Q2021/Q2022/U2017 Q7012/Q7010 U7001/U7002 8V3_TX Q7007 Q7014 3V3A_RF U6001/Q6006/Q6007 9V1A_RX Q2002 Q6103/Q6102/U6000 U2014 U2005 U3001/U3004 3V3A U8004 5VA_FGU Q8006/U8005/Q8004/ U2009 U2008 Q8005/Q8006/U8002 3V3A_FGU U8002/U8001/Q8002 5VA_RX U2015...
  • Page 159 Block Diagram VHF1 (136 - 174 MHz) 10.2 RF module 10.3 Baseband module RF Unit IF processor BB Schematic Block SKY72310 AD9864 TLV5614 TX、RX CTL Diagram TEMP_DET MCSI1 McBSP2 GPIOs McBSP2 REV_DET Audio Codec Nor FLASH and pSRAM Headset TLV320AIC29 FLASH: 8Mx16 McBSP1 Driver...
  • Page 160 Schematic Diagram Front Panel Pwr_Key_In 470pF 470pF ACCIO_0 ACC_I01 INT_MIC INT_MIC INT_SPKN INT_MIC/PWR_KEY_IN SPK- MIC_Ground USB_D- MIC_GROUND 5VD_CB Handset_Audio USB_D- HANDSET_AUDIO INT_SPKP MIC_GROUND INT_SPKP INT_SPKP 5VD_CB INT_SPKN 470pF 470pF INT_SPKN 3900pF 3900pF INT_MIC INT_SPKN INT_MIC GND1 USB_D+ 5VD_CB 470pF 470pF USB_D+ 5V_CB 5VD_CB...
  • Page 161 Memory U1003 U1003 TP1014 TP1014 S29GL128S10GHIV20 S29GL128S10GHIV20 F_A1 F_A2 F_A3 F_D0 F_A4 F_D1 F_A5 F_D2 U1002A U1002A F_A6 F_D3 SDR_A0 F_A1 F_A7 F_D4 SDRAM.A0 FLASH.A1 SDR_A1 F_A2 F_A8 F_D5 SDRAM.A1 FLASH.A2 SDR_A2 F_A3 F_A9 F_D6 SDRAM.A2 FLASH.A3 SDR_A3 F_A4 F_A10 F_D7 SDRAM.A3 FLASH.A4...
  • Page 162 OMAP_CORE [16] OMAP_19.2M R1081 R1081 1V6D C1063 C1063 C1064 C1064 C1065 C1065 C1066 C1066 TP1018 TP1018 22uF/6.3V 22uF/6.3V 22uF/6.3V 22uF/6.3V 22uF/6.3V 22uF/6.3V 22uF/6.3V 22uF/6.3V X1001 X1001 SSP-T7-F SSP-T7-F C1039 C1039 1000pF 1000pF C1028 C1028 C1029 C1029 20pF 20pF C1038 C1038 20pF 20pF C1032...
  • Page 163 OMAP_SI_Peripheral U1002B U1002B OMAP5912ZZG OMAP5912ZZG 3V3D [10] EXT_PTT MPUIO2/SPIF.CS1/UWIRE.CS1 LCD.P0 [12] AD9864_SPI_CS MPUIO4/SPIF.CS2/UWIRE.CS2/LED2 LCD.P1 [12] AD9864_SPI_SCK MPUIO1/SPIF.SCK LCD.P2 GPIO46/SPIF.DOUT/UWIRE.SDO LCD.P3 [12] AD9864_SPI_DO R1083 R1083 R1033 R1033 [12] AD9864_SPI_DIN GPIO47/SPIF.DIN/UWIRE.SDI LCD.P4 [10] PRGM_IN6 MPUIO1/UWIRE.SCLK LCD.P5 LCD.P6 R1034 R1034 [16] PLL_LD GPIO2 LCD.P7 R1032 R1032...
  • Page 164 Power TP2003 TP2003 TP2001 TP2001 TP2002 TP2002 B2001 B2001 B2002 B2002 L2007 L2007 LQM21PN3R3NGRD LQM21PN3R3NGRD L2013 L2013 L2008 L2008 L2016 L2016 U2001 U2001 3V3D_RF CDRH4D16NP_100MC 10uH CDRH4D16NP_100MC 10uH BLM18PG181SN1D BLM18PG181SN1D XC6209F332MR XC6209F332MR 3V3D BLM18PG181SN1D BLM18PG181SN1D 13V6 VOUT R2005 R2005 L2001 L2001 C2035 C2035...
  • Page 165 3V3D Power CTRL nRst1 nRst1 R2031 R2031 4.7k 4.7k 3V3D U2011 U2011 VOUT VSEN nRst R2026 R2026 R2029 R2029 VOTG_DET XC6118N28AMR-G XC6118N28AMR-G C2056 C2056 13V6 0.1uF 0.1uF C2055 C2055 D2006 D2006 Reset Time 986ms Q2007 Q2007 DTC114EE DTC114EE R2030 R2030 C2054 C2054 UDZSTE(1715B)15V...
  • Page 166 CODEC_CLK TP3007 TP3007 Codec CODEC_SSI_DO TP3006 TP3006 CODEC_SSI_DI TP3005 TP3005 CODEC_SSI_WCLK TP3004 TP3004 CODEC_SSI_BCLK TP3001 TP3001 CODEC_nDAV CODEC_UWIRE_nCS3 CODEC_UWIRE_SDO CODEC_UWIRE_SDI CODEC_UWIRE_CLK CODEC_CLK CODEC_SSI_DO CODEC_SSI_DI CODEC_SSI_WCLK CODEC_SSI_BCLK RN3001 RN3001 3V3A 100*4 100*4 1V8D C3001 C3001 0.1uF 0.1uF C3012 C3012 3V3D 10uF/10V 10uF/10V R3001 R3001...
  • Page 167 Codec_OUT L3001 L3001 8V5D 8V5D 8V5A BLM18PG181SN1D BLM18PG181SN1D U3006D U3006D 8V5D LM2902 LM2902 R3053 47k R3053 47k C3077 C3077 C3004 C3004 C3003 C3003 C3076 C3076 C3005 C3005 R3052 R3052 4.7uF/16V 4.7uF/16V 10uF/25V 10uF/25V 0.1uF 0.1uF 470pF 470pF 470pF 470pF C3074 C3074 1.8k 1.8k...
  • Page 168 3V3D Peripheral2 PRGM_OUT8 PRGM_IN8 Emer_Pwr_On PRGM_OUT7 3V3D PRGM_IN7 R5031 R5031 PRGM_OUT3 R5032 R5032 PRGM_IN3 IGN_SENSE IGN_SENSE_IN TDMASLOT_OUT PRGM_IN2 Q5002 Q5002 PRGM_OUT6 DTC114EE DTC114EE ALARM PRGM_IN6 R5033 R5033 R5034 3k R5034 3k PRGM_OUT5 13V6_EXT R5036 R5036 R5037 10k R5037 10k EXT_PTT R5035 10k R5035 10k Q5003...
  • Page 169 Peripheral1 3V3D 3V3D R5001 R5001 R5002 R5002 C5001 C5001 C5002 C5002 C5003 C5003 C5004 C5004 C5005 C5005 C5006 C5006 4.7k 4.7k 4.7k 4.7k C5007 C5007 C5008 C5008 C5009 C5009 C5010 C5010 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF...
  • Page 170 RX-BACK-END TP6002 TP6002 2LO_CV 2LO_CV 3V3A_RX 3V3A_IF 3V3A_IFMX L6001 L6001 L6002 L6002 5VA_RX L6003 L6003 Q6002 Q6002 BLM15PD121SN1 BLM15PD121SN1 2SC4617 2SC4617 BLM18PG600SN1 BLM18PG600SN1 BLM15PD121SN1 BLM15PD121SN1 R6001 R6001 C6001 C6001 R6004 R6004 2.2uF 2.2uF 2.7k 2.7k C6005 C6005 CP_2LO [12] C6006 C6006 R6008 R6008...
  • Page 171 RX-FRONT-END L6007 L6007 C6028 C6028 C6027 C6027 8V3A_RX BLM15PD121SN1 BLM15PD121SN1 0.1uF 0.1uF 470pF 470pF R6102 R6102 R6104 R6104 R6101 R6101 8V3A_RX C6029 C6029 1000pF 1000pF Q6101 Q6101 L6009 L6009 BLM15PD121SN1 BLM15PD121SN1 UMT1N UMT1N R6013 R6013 L6008 L6008 56nH 56nH R6105 R6105 C6119 C6119...
  • Page 172 TX-CTRL C7002 C7002 D7004 D7004 R7003 R7003 R7004 R7004 R7005 R7005 RB706F RB706F 0ohm 0ohm 100ohm 100ohm L7002 L7002 L7015 L7015 8V3_TX R7002 R7002 [15] Power_DET_R 56NH 56NH 56NH 56NH R7008 R7008 27pF 27pF C7006 C7006 L7024 L7024 R7007 R7007 C7005 C7005 R7001...
  • Page 173 TX-PA-LINEUP 8V5A L7008 L7008 L7009 L7009 L7010 L7010 8V3_TX BLM18PG181SN1D BLM18PG181SN1D BLM41PG600SN1 BLM41PG600SN1 C7037 C7037 C7038 C7038 C7039 C7039 C7030 C7030 C7034 C7034 C7032 C7032 C7031 C7031 C7035 C7035 C7036 C7036 L7032 L7032 10u/25V 10u/25V 3300pF 3300pF 470pF 470pF 470p 470p 3300pF 3300pF...
  • Page 174 FGU-PLL/DAC 3V3A_FGU_PLL 3V3A_FGU PLL_Clk PLL_Clk R8088 R8088 PLL_MCSI1_CLK C8143 C8143 L8001 L8001 R8002 R8002 C8014 C8014 C8034 C8034 C8005 C8005 C8006 C8006 BLM15PD121SN1 BLM15PD121SN1 C8013 C8013 0.1uF 0.1uF 1500pF 1500pF 0.1uF 0.1uF 1500pF 1500pF 100pF 100pF 3V3A_FGU 5VA_FGU PLL_CS PLL_CS 4.7uF/16V 4.7uF/16V C8009...
  • Page 175 FGU-VCO VCC_VCO_L 5VA_FGU L8010 L8010 EM6M2 Q8001 EM6M2 Q8001 Q8008 Q8008 BLM15PD121SN1 BLM15PD121SN1 L8047 L8047 2SC4617 2SC4617 VCC_VCO_L BLM15PD121SN1 BLM15PD121SN1 C8151 C8151 C8154 C8154 L8011 L8011 R8045 R8045 VCO_L_En R8094 R8094 470p 470p 470p 470p R8047 R8047 4.7K 4.7K BLM15PD121SN1 BLM15PD121SN1 C8054 C8054...
  • Page 176 3V3_GPS 13V6 R9013 R9013 R9017 R9017 3V3_RTC L9006 L9006 4.7k 4.7k BLM15AG121SN1 BLM15AG121SN1 D9005 D9005 C9087 C9087 C9008 C9008 R9016 R9016 UDZSTE(175.1B) UDZSTE(175.1B) 56pF 56pF 10uF/10V 10uF/10V C9084 C9084 C9076 C9076 C9083 C9083 TP9004 TP9004 0.1uF 0.1uF 56pF 56pF 1PPS GPS_1PPS W9001 W9001...
  • Page 177 Parts List VHF1 (136‐174 MHz) 12. Parts List 12.1 Main board Print Print Part No. Description Part No. Description PA shielding 6203434000000 758 D8010 3304010100060 Varactor cover_A PA shielding 6203435000000 759 D8013 3304010100180 Varactor cover_B C1001 T3A 3101051040060 0.1uF 760 D8014 3304010100060 Varactor C1002 T3B 3101072260000 22uF...
  • Page 178 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description C1024 B4B 3101051040060 0.1uF 783 L2013 3221506181000 Ferrite bead C1028 T4B 3101052000020 20pF 784 L2014 3221506181000 Ferrite bead C1029 T4B 3101052000020 20pF 785 L2016 3221506181000 Ferrite bead C1032 T4A 3101051020010 1000pF 786 L2017...
  • Page 179 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description C1059 B3A 3101051010030 100pF 812 L6030 3210306470000 47nH C1060 T4A 3101051050160 1uF 813 L6102 3210306561010 560nH C1061 T4B 3101051040060 0.1uF 814 L6114 3211506101000 Ferrite bead C1062 B4A 3101051030020 0.01uF 815 L6115 3211506101000 Ferrite bead...
  • Page 180 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description C2019 T3B 3101072260000 22uF 841 L7035 3101063900060 2.2uF C2020 T4C 3101061050020 1uF 842 L7036 3217106331000 330nH C2021 T3B 3101094760010 47uF 843 L7037 3101060500010 5pF C2022 T3B 3101051040060 0.1uF 844 L7039 3234599180000 18.5nH C2023 T2B...
  • Page 181 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 113 C2051 B4C 3101051040060 0.1uF 870 L8019 3001058200000 82Ω 114 C2052 B4C 3101051040060 0.1uF 871 L8020 3217106221010 220nH 115 C2053 B4C 3101071060010 10uF 872 L8021 3217106781000 780nH 116 C2054 B3C 3101054710010 470pF 873 L8022...
  • Page 182 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 142 C2080 T3C 3101071060280 10uF 899 L9011 3001050000000 0Ω 143 C2081 T3B 3101051040060 0.1uF 900 M7001 7203004000300 Nut 144 C2083 T3C 3101051040060 0.1uF 901 M7002 7203004000300 Nut 145 C2084 T3C 3101071060280 10uF 3414001000040 NPN transistor...
  • Page 183 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description Compound 167 C2108 B3A 3101051020010 1000pF 924 Q3002 3499000000150 transistor Compound 168 C2109 B4A 3101054700010 47pF 925 Q3003 3499000000150 transistor Compound 169 C2110 T3A 3101051020010 1000pF 926 Q3004 3499000000150 transistor Compound...
  • Page 184 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description transistor 188 C3003 B4C 3101051040060 0.1uF 945 Q6002 3403003000060 NPN transistor 189 C3004 B4C 3101081060010 10uF 946 Q6004 3408002000000 NPN transistor 190 C3005 B4C 3101054710010 470pF 947 Q6006 3404006000000 NPN transistor 191 C3006 B3B 3101061040090 0.1uF...
  • Page 185 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 214 C3029 B3C 3101071060010 10uF 971 R1033 3001053300010 33Ω 215 C3030 B3B 3101052210010 220pF 972 R1034 3001051010000 100Ω 216 C3031 B3B 3101052230000 0.022uF 973 R1035 3001051010000 100Ω 217 C3032 B3B 3101061050020 1uF 974 R1036...
  • Page 186 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 243 C3058 B4C 3101052210010 220pF 1000 R1069 3001051030000 10KΩ 244 C3059 B4C 3101052210010 220pF 1001 R1070 3001051000020 10Ω 245 C3060 B4C 3101052210010 220pF 1002 R1071 3001053300010 33Ω 246 C3061 B4C 3101052210010 220pF 1003 R1072...
  • Page 187 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 272 C5010 T4B 3101051010030 100pF 1029 R2019 3001061020000 1KΩ 273 C5011 T4B 3101051010030 100pF 1030 R2020 3001065120000 5.1KΩ 274 C5012 T4B 3101051010030 100pF 1031 R2021 3001051020010 1KΩ 275 C5013 T4B 3101051010030 100pF 1032 R2022...
  • Page 188 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 301 C5058 B4B 3101051010030 100pF 1058 R2049 3001051840000 180KΩ 302 C5059 B4A 3101051010030 100pF 1059 R2050 3001071020000 1KΩ 303 C5060 B4A 3101051010030 100pF 1060 R2051 3001051840000 180KΩ 304 C5061 T4B 3101051010030 100pF 1061 R2052...
  • Page 189 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 330 C6018 T4E 3101011030050 0.01uF 1087 R2078 3001051030000 10KΩ 331 C6019 B4E 3101064700000 47pF 1088 R2079 3001064720000 4.7KΩ 332 C6020 T4E 3101011040080 0.1uF 1089 R2080 3001064720000 4.7KΩ 333 C6021 B4E 3101060500010 5pF 1090 R2081...
  • Page 190 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 359 C6047 T3E 3101063900060 2.2uF 1116 R3017 3001052230010 22KΩ 360 C6048 T4E 3101011040080 0.1uF 1117 R3018 3001051040010 100KΩ 361 C6050 T4E 3101011010030 100pF 1118 R3019 3001051040010 100KΩ 362 C6051 T4E 3101011030050 0.01uF 1119 R3020...
  • Page 191 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 388 C6110 3101050800000 8pF 1145 R3047 3001051040010 100KΩ 389 C6112 3101054700010 47pF 1146 R3048 3001051040010 100KΩ 390 C6113 3101055600000 56pF 1147 R3049 3001051040010 100KΩ 391 C6116 B4F 3101050600010 6pF 1148 R3050 3001054730000 47KΩ...
  • Page 192 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 417 C6154 B4E 3101050600010 6pF 1174 R5023 3001053300010 33Ω 418 C6155 B4E 3101051030020 0.01uF 1175 R5024 3001051020010 1KΩ 419 C6156 B3E 3101054710010 470pF 1176 R5025 3001060000000 0Ω 420 C6157 B4E 3101061010010 100pF 1177 R5026...
  • Page 193 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 446 C7040 T3D 3101066820000 6800pF 1203 R5052 3001061010000 100Ω 447 C7043 B4E 3001050000000 0Ω 1204 R5053 3001061010000 100Ω 448 C7044 B4E 3101054710010 470pF 1205 R5054 3001061010000 100Ω 449 C7045 T3D 3101054710010 470pF 1206 R5055...
  • Page 194 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 475 C7086 T2E 3101072400030 24pF 1232 R5083 3001071520000 1.5KΩ 476 C7087 T3E 3101074700060 47pF 1233 R5084 3001064730000 47KΩ 477 C7088 B2E 3101051020010 1000pF 1234 R5085 3001050000000 0Ω 478 C7089 B2E 3101054710010 470pF 1235 R5086...
  • Page 195 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 504 C7132 B2D 3101061010010 100pF 1261 R6040 3001015100060 51Ω 505 C7133 B2C 3101061000000 10pF 1262 R6042 3001011040030 100KΩ 506 C7137 3101071000030 10pF 1263 R6043 3001015630000 56KΩ 507 C7139 3101073300040 33pF 1264 R6101 3001056810000 680Ω...
  • Page 196 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 533 C8004 T4D 3101011520000 1500pF 1290 R7005 3001055130000 51KΩ 534 C8005 T4C 3101011040130 0.1uF 1291 R7007 3001053330000 33KΩ 535 C8006 T4C 3101011520000 1500pF 1292 R7008 3001055640020 560KΩ 536 C8007 T4D 3101011040130 0.1uF 1293 R7009...
  • Page 197 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 562 C8035 T4D 3101051510000 150pF 1319 R7070 3001052700010 27Ω 563 C8036 B4C 3101074750000 4.7uF 1320 R7071 3001052700010 27Ω 564 C8037 T4D 3101072240000 0.22uF 1321 R7073 3001065620000 5.6KΩ 565 C8038 T4D 3101051510000 150pF 1322 R7074...
  • Page 198 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 591 C8067 B4D 3101060200010 2pF 1348 R7111 3001061020000 1KΩ 592 C8068 B4D 3101060900010 9pF 1349 R7112 3001113300000 33Ω 593 C8069 B4D 3101011040130 0.1uF 1350 R7115 3001054740000 470KΩ 594 C8070 B4D 3101054700010 47pF 1351 R7116...
  • Page 199 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 620 C8097 B4D 3101060900010 9pF 1377 R8022 3001060000000 0Ω 621 C8099 B4D 3101053900000 39pF 1378 R8023 3001061000000 10Ω 622 C8100 B4D 3101060500010 5pF 1379 R8024 3001011000050 10Ω 623 C8101 T4D 3101011520000 1500pF 1380 R8026...
  • Page 200 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description 649 C8127 B4D 3101051200020 12pF 1406 R8053 3001011020060 1KΩ 650 C8128 B4D 3101051520000 1500pF 1407 R8054 3001011030080 10KΩ 651 C8129 B4C 3101011030050 0.01uF 1408 R8055 3001072200000 22Ω 652 C8130 B4C 3101011020060 1000pF 1409 R8056...
  • Page 201 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description 678 C9084 T2B 3101051050000 1uF 1435 R8082 3001011020060 1KΩ 679 C9087 T2B 3101055600000 56pF 1436 R8083 3001013930000 39KΩ 680 C9090 T2A 3101051040060 0.1uF 1437 R8084 3001013320000 3.3KΩ 681 C9096 T2A 3001050000000 0Ω...
  • Page 202 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description Main board IF 705 D2022 T3A 3302030500030 Zener diode 1462 6202476000000 shielding mask 706 D2023 B3A 3303240000000 Switching diode 1463 6203562000000 Shielding mask 707 D2025 B3C 3303240000000 Switching diode 1464 6203562000000 Shielding mask Main board...
  • Page 203 Parts List VHF1 (136‐174 MHz) Print Print Part No. Description Part No. Description diode management IC ESD protection 726 D5021 B2A 3310040000030 1483 U2011 3626015000010 Reset IC diode ESD protection 727 D5022 B2A 3310040000030 1484 U2012 3609006003050 Reset IC diode ESD protection 728 D5023 T2A 3310040000030...
  • Page 204 VHF1 (136‐174 MHz) Parts List Print Print Part No. Description Part No. Description Schottky barrier 746 D7006 B2F 3303030300000 1503 U8003 3616059000000 Switch IC diode 747 D7007 T2E 3303010000000 Switching diode 1504 U8004 3606010000010 D/A conversion IC 748 D7008 3303010000000 Switching diode 1505 U8005 4399990000780 RF switch 749 D7010 B2E...
  • Page 205 Parts List VHF1 (136‐174 MHz) Ref No. Part No. Description Ref No. Part No. Description 3101051040060 0.1uF 3311390000000 Schottky diode 3101051040060 0.1uF 5207022200010 FFC connector Bias resistor 3101051040060 0.1uF 3403008000010 transistor 3101051040060 0.1uF 3001064710000 470Ω 3101051040060 0.1uF 3001062710000 270Ω 3101051040060 0.1uF 3001060000000 0Ω...
  • Page 206 VHF1 (136‐174 MHz) Parts List Ref No. Part No. Description Ref No. Part No. Description C9096 3001050000000 0Ω R9017 3001061030000 10KΩ D9005 3302030500030 Zener diode R9019 3001051030000 10KΩ L9006 3221505121010 Ferrite bead R9020 3001053300010 33Ω L9010 3212106390000 39nH U9001 3625999000030 GPS module L9011 3001050000000...
  • Page 207 Hytera Communications Corporation Limited. 2014 Hytera Communications Corporation Limited. 1616300000360 11-2014 L07157...

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