Kirisun TM840 Service Manual
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Kirisun TM840 Service Manual

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Summary of Contents for Kirisun TM840

  • Page 1 TM840 Service Manual...

  • Page 2: Table Of Contents

    TM840 Service Manual Contents CONTENTS ..................................... II CHAPTER 1. FOREWORD ................................ 1 1.1. S ................................1 COPE OF ANUAL 1.2. S ................................1 AFETY RECAUTIONS CHAPTER 2. PRODUCT CONTROLS ............................2 2.1 P ................................2 RODUCT ONTROLS 2.2 LED I ..................................
  • Page 3 TM840 Service Manual APPENDIX SPARE PART LIST AND SCHEMATIC DIAGRAM ...................... 38 1400-470MH ） ......................38 （E ABLE ARTS LECTRICS ECTION 2 136-174MH ) ........................47 ABLE ARTS LECTRICS ECTION ） ..........................55 （S ABLE ARTS TRUCTURE ECTION 1 TM840 400-470MH PCB V ....................

  • Page 4: Scope Of Manual

    Scope of Manual 1.1. This manual is suitable for KIRISUN DMR digital mobile radio maintenance and repair. This manual is intended for use by trained engineers and professional technicians for the maintenance and repair of TM840 digital mobile radio. Dada changes in this manual may occur with the improvement of technology.

  • Page 5: P Roduct C Ontrols

    TM840 Service Manual Chapter 2. Product Controls Product Controls Part Name Part Name Part Name Volume Knob LED Indicator Programming Keys(P1-P4) Microphone/Programming Speaker LCD Display Connector Menu/Confirm Antenna Connetor Up Key PTT Key Power Port Down Key Emergency Key GPS Antenna Connector...

  • Page 6: Led Indicator

    TM840 Service Manual LED Indicator LED Indicator Radio Work Status Red LED lights on Radio is transmitting. Radio is receiving (voice, short message, or data) or there is an activity on Green LED lights on the channel. The radio is in the call hang time period, you can press PTT to talk back Orange LED lights on while the orange LED lights on.

  • Page 7: T Ransmitter C Ircuit

    TM840 Service Manual 3.1.1 Transmitter Circuit Figure 3-2 Transmitter Circuit Schematic Transmitter circuit is composed of the following three parts:  RF Power Amplifier Circuit The TX VCO generates a carrier signal, then it will be modulated and amplified before it goes into transmitter circuit. The signal will pass through a Π...

  • Page 8: R Eceiver C Ircuit

    TM840 Service Manual provided to OMAP. OMAP will combine the VSWR rate to define the APC value to achieve the thermal protection. 3.1.2 Receiver Circuit Figure 0-2 Receiver Circuit Schematic The receiver circuit includes RF band pass filter, low-noise amplifier, mixer, IF filter, IF amplifier and IF processor.

  • Page 9: F Requency G Eneration

    TM840 Service Manual Figure 0-3 IF Processing Circuit 3.1.3 Frequency Generation Unit(FGU) Figure 3.5 Frequency Generation Unit Diagram Frequency generation unit(FGU) is composed of VCO and PLL. It is the core module of the TX-RX system. When transmitting, it provides accurate carrier frequency, while receiving, it provides stable local oscillator signal. It has direct influence on system performance.
  • Page 10 TM840 Service Manual frequency(i.e step frequency f1). The frequency generated by VCO will be harmonics suppress processed twice. Then it enters the frequency divider of the PLL chip to create frequency f2. F2 will be compared with f1 in phase detector (PD) , which will generate a continuous pulse current.
  • Page 11 TM840 Service Manual Baseband Section 3.2.1Baseband System Figure 3.7 Baseband Section Diagram The core of the baseband control is U4, which is composed of dual core, ARM+DSP. It employs 19.2MHz clock which is generated by external crystal as system clock and 32.768kHz as system timer. U4 provides variety of interfaces, which allows communicating and interacting with peripheral devices and systems.
  • Page 12 TM840 Service Manual The second development interface includes the functions of audio, programmableI\O, USB, accessory identification, etc.The pin definition of interfaces as below. Signal Name Function Signal Definition Ext_SWB+ Power Supply +13.8V output (Imax<1A) Power Ground Ground Ground USB_D+ USB+ USB Data (2V<V...
  • Page 13 TM840 Service Manual (4V<VOH<5V，0V<VOL<0.4V) Prgm_IO_4(Emergency) Programmable I/O 4 Programmable I/O (Emergency) (2.5V<VIH<5V，0V<VIL<0.4V) (4V<VOH<5V，0V<VOL<0.4V) Prgm_IO_8 Programmable I/O 8 Programmable I/O (2.5V<VIH<5V，0V<VIL<0.4V) (4V<VOH<5V，0V<VOL<0.4V) Ign_Sense Ignition Sense (10V<VIH<16V，0V<VIL<2V) Prgm_Out_9(Ext_Alarm) Programmable I/O 9 (External Programmable I/O Alarm) (2.5V<VIH<5V，0V<VIL<0.4V) (4V<VOH<5V，0V<VOL<0.4V) (Wmax=15mW@32Ω) Aux_Audio_Out1 Auxiliary Audio Output 1 (Wmax=15mW@32Ω)

  • Page 14: A Udio Processing

    TM840 Service Manual Then the system starts to initiate and set the electrical level of Soft_ctr to high to keep DCDC working on enabled status to finish power on action. When powering off, when the system detects the power button is off , and system will implement the power off procedure, then set the electrical level of Soft_ctr to low, and cut the DCDC, the radio is poweref off then.

  • Page 15: Control Panel

    TM840 Service Manual board. System Peripheral Functions Module Figure 3-9 System Peripheral Diagram This system includes: ADC module, optional board interface module, display module, keypad detection module and GPS module. These modules are used to achieve human-radio interaction, radio status detection, communication encryption and extension functions.

  • Page 16: G Eneral F Unctions

    TM840 Service Manual Mic Keypad Backlight Control Digital Output (VOH>2.8V，VOL<0.4V) USB Data USB_DP USB+ (2V<VIH<3.3V，0V<VIL<0.8V) USB Data USB_DM USB- (2V<VIH<3.3V，0V<VIL<0.8V) Power Supply Main unit provides two power supply to control panel’s the power. One uses DC3.3V as Tx-Rx LED, backlight light, LCD module, key scan, and the other power supply (DC13.2V) is for handheld speaker.

  • Page 17: P Arameters Setting Steps

    4.2.1 Parameters setting steps (1) Install the right version of Kirisun DMR Programming Software. (2) Connect radio with USB connector of computer by Kirisun programming cable. (3) Make sure radio’s power is on. (4) Run Kirisun DMR programming software and start operation.
  • Page 18 TM840 Service Manual Figure 4.1 (2) Click “Next” and enter into the next interface to choose the installation route. Figure 4.2 (3) In the interface showed in Figure 4.2, users can click “Browse” to choose the installation route, or use the default route,...
  • Page 19 TM840 Service Manual Figure4.3 (4) Click “Next” to keep on installation.
  • Page 20 Figure 4.4 (5) Click “Finish” to finish the installation. (6) Please double click the Kirisun DMR Programming Software to run it after finishing installation.(See figure 4.6) Figure 4.6 Users can read the radio’s date, or reconfigure the data and then write it into the radio.

  • Page 21: R Emoving The Front Panel From Transceiver

    TM840 Service Manual Notes: 1. Errors of parameter configuration may make certain functions cannot be used properly, in general, which can be solved by writing the correct parameters configuration. 2. Before parameter configuration modification, we strongly recommend backup the current parameters, make sure that the radio can restore after an error occurs.

  • Page 22: D Isassemble Of Main Body

    TM840 Service Manual Disassemble of main body (1) Unscrew antenna head nut, remove O-ring and DB26P as per figure 5.3; Figure 5.3 (2) Open the plastic cover, unscrew 9 screws, and remove the aluminum chassis and O-ring as per figure 5.4.

  • Page 23: D Isassemble Front Panel

    TM840 Service Manual Figure 5.5 Use your finger to push upward the bottom of 40P_FFC/FPC connector at the FPC-connected hole of the brace’s front aluminum alloy, and push the front of the PCB mainboard out of the cavity of the aluminum brace before pulling out the PCB mainboard aslant in an upward direction as per figure 5.6.

  • Page 24: R Emove Pcba From Front Panel

    TM840 Service Manual Figure 5.7 (2) Unscrew 6 self drive screws, remove rare cover together with O-ring as per Figure 5.8 Figure 5.8 Remove PCBA from front panel (1) Remove black and white twisted wire plug, unscrew 2 self drive screws as per Figure 5.9.
  • Page 25 TM840 Service Manual Figure 5.9 (2) Remove the PCB from panel, Figure 5.10. Figure 5.10 Debug and repair can be processed after above procedures.
  • Page 26 TM840 Service Manual Explode View Material Description Quantity 7MBP-4062-01B-W0 TM840 front cover，PC6485,black,Texture 7GCJ-S4099-J TM840 Lens Double Side Tape, N black,Thickness 0.40mm 7MBP-4062-06A-W TM840 Lens， MR58，T=1.5,transparency，silk-screen，no stamp gum 7MBP-4025-04A-W0 TM840 Hand Microphone Interface Lid,TPU,black, Texture 7MBP-4073-04A-W0 TM840 Volume Knob, PC 6485,black,Texture 7MHS-1140-01A-W...
  • Page 27 TM840 Service Manual M6x0.35 Nut, brass, M6xP0.35/Φ10.4x2.3，RE11(8P dedicated) 7NRC-060104023-W TM840 Keypad Metal Dome,SUS301#+PET film,φ5.00 Round metal 7MBS-4062-01A-W dome,11 bits 7MBS-4073-01B-W STM-U_LCD Bracket , Thickness 0.40mm stainless steel，natural color， 201402 change mould 4PC7-4038H-A LCD Screen, Imitate semipermeable, vertical screen across use, backlight, high 42.7mm...
  • Page 28 TM840 Service Manual 7MBR-4062-10A-W0 DM850_DB26P waterproof rubber cover, 60 degree High elastic silicone， blac 7MBF-4073-01A-Z0 STM-U_DB base waterproof cover, Thickness 1.00mm, stainless steel， natural color 7NRC-063095021-G STM-U_GPS Antenna nut, brass，1/4-36/Φ9.5x2.1，gold plating 7MBR-4062-11A-W0 DM850_GPS Antenna head waterproof Rin, 40 degree High elastic silicone，black...
  • Page 29 7MBP-4062-05A-W0 DM850 keypad Bracket, Transparency ABS，colorless，polishing 7MBB-7220-01A-W0 PT8200M Speaker dustproof net , Import high density dust cloth，black 7MBR-4062-02A-W3 TM840 Alarm Button, 60 degree high elastic silicone，orange，silk-screen + PU oil 7MBR-4062-01A-W TM840 function button,P+R,atural color，spray laser mark 7GCM-4062-01A-W DM850_LCD Dustproof Cushion, PORON cushion， black， single side Stamp 7MBR-4062-07A-W0 DM850 switch waterproof cushion, 40 degree high elastic silicone，black...

  • Page 30: The Required Tool

    The Required Tools (1) Antenna interface adapter (2) BNC universal interface (3) 8921 comprehensive test equipment (4) Kirisun DMR Programming Software (5) AEROFLEX 3920 (6) Spectrum Analyzer (7) DC Stabilized Power Supply (8) Antenna port Swtich Connector Frequency Instruction...
  • Page 31 TM840 Service Manual 400.050 434.995 435.050 469.995 400. 412.0 424.0 434.9 435.0 447.0 459.0 469.9 Frequency （MHz） VHF Frequency Channel High High Freq1 Freq2 Freq1 Freq2 136.0000 154.9875 155.0125 174.0000 136.0 142. 148.0 154.9 155.0 161.0 167.0 174.0 Frequency （MHz）...

  • Page 32: I Ntroduction To

    TM840 Service Manual 6.2.1 Introduction to TX Modulation Section Item Steps Specification Requirement 1）Enter the PC tuning mode 2）Double click on [Frequency stability] UHF：≤±350Hz 1．Frequency stability 3）Observing the frequency value on the screen of integrated tester while modulating the value on PC software VHF：≤+100Hz，≥-300Hz...
  • Page 33 TM840 Service Manual 4.Modulate FM Deviation to: 4.6±0.08kHz 5.Click[OK] to save. 1.Enter the PC tuning mode Double click[low frequency modulation deviation],click eight frequencies from F1 to F8 respectively; 6．Low 3.When Freq is 0.1kHz, observe FM Deviation on integrated tester, modulate value on PC software.
  • Page 34 TM840 Service Manual 1）W:＜-68dB(wide band） ； 13. Adjacent channel power Observe the value of adjacent channel power. 2）N:＜-58dB（narrow band）. 1）＜1GHz:＜-36dBm； Observe the value displayed on spectrum analyzer 14. transmitter spurious 2）＞1GHz:＜-30dBm。 1.Enter the PC tuning mode 15．CV curve 2.Double click[TX CV curve] 3.Click[START], click [OK] to save after auto modulation...
  • Page 35 TM840 Service Manual SINA in maximum value, and SINA>=12dB N：-119dBm 1.Enter the PC tuning mode 2.Double click [Squelch level 1 on], click frequencies from F1 to F8 one by one 2. Squelch level 1 on 3.Click[Start], click[STOP] when the value is stable 4.Click[Save]...
  • Page 36 TM840 Service Manual 2.Observe value of amperemeter 2.Current：＜1A; Audio amplifier off, receiver standby current＜0.7A ＜5% 10.Analog distortion Observe the value of distortion meter W:＞45dB； Observe the value of SNR 11.Analog SNR N:＞40dB. 12.QT/DQT decoding Decoded successfully and no interrupter 1. Enter the PC tuning mode Under regular test conditions ≤0.22μV,i.e when...
  • Page 37 TM840 Service Manual Circumstance Specifications Operating Temperature 30℃~+60℃ Storage Temperature -40℃~+85℃ Dustproof & Waterproof IP54 ±8kV （Touch） ESD Protection IEC 61000-4-2[4] ±15kV (Air) MIL-STD-810 C/D/E/F/G Humidity MIL-STD-810 C/D/E/F/G Thermal Shock MIL-STD-810 C/D/E/F/G Receiver Frequency Stability ±1.5ppm Analog Receiving Sensitivity 0.25uV（12dB）/0.22uV（12dB）...
  • Page 38 TM840 Service Manual Transmitter Frequency Stability ±1.5ppm Power Output L：25W/5W，H：40W/25W FM Hum and Noise -40dB@12.5kHz/-43dB@20kHz/-45dB@25kHz Conducted/Radiated Emission -36dBm@<1GHz，-30dBm@>1GHz Adjacent Channel Power 60dB@12.5kHz，70dB@20/25kHz FM Modulation 11K0F3E@12.5kHz,14K0F3E@20kHz,16K0F3E@25kHz 12.5kHz（Data） ：7K60FXD 4FSK Modulation 12.5kHz（D+V） ：7K60FXE Modulation Limiting ±2.5kHz@12.5kHz, ±4kHz@20kHz, ±5kHz@25kHz Audio Response +1dB~-3dB Audio Distortion 3％...
  • Page 39 TM840 Service Manual Chapter 8. Maintenance and Test Equipments Maintenance and debugging process, you want to use as the main equipment and instruments Equipments Specification 1.RF signal generator Frequency Range:10MHz to 3GHz Modulation: FM modulation and external modulation Output: 127dBm/0.1uV - -47dBm/1mV Input impedance 50Ω...
  • Page 40 TM840 Service Manual 12.16 Ω dummy load 16Ω，3W 13.Power supply output Output: 5Vto 30V，Current：20A Chapter 9. Common Fault Phenomenon and Elimination Method Problem Causes and Solutions A．The power ON/OFF key may suffer from poor contact. Clear the metal dome with alcohol and try again.
  • Page 41 TM840 Service Manual Appendix Spare Part List and Schematic Diagram Table1400-470MHz Parts List（Electrics Section） Material No. Description Quantity Position No. 5XC1-32R8-FC-135 Chip Crystal Resonator STP-U，DP770V Y1，Y3 5XC1-19R2-TKL3056B Chip crystal oscillator DP770 STP KH620 5OT1-12R8-CEC3-0503 R Chip TCXO X500 5XC1-18R4-CEC5032SCH Chip crystal oscillator STM，DP780...
  • Page 42 TM840 Service Manual 1DZ1-LM3Z18VT1G Chip Zener diode 1DZ1-BZB784-C3V3 Zener diode 1TF1-2N7002 Chip MOSFET 1DG1-CM1293A Chip MOSFET U13，U14，U15 Chip button battery (DP770，DM890，PT7800， 6BLS-4814-03327U 219，620D) 3CF1-40FMN-SMT-A-TF R Chip FFC/FPC connector 3CC1-USB-UH51543-CS7 USB port AB type socket 3CR1-MM9329-2700 RF coaxial connector 1TT1-DTA144EE R Chip triode...
  • Page 43 TM840 Service Manual 1IS1-SKY72310 PLL IC U103 1IS1-SYM25DHW Chip Mixer IC3003 1IS1-TA75W01FU R Chip Special IC 1IS1-TLV5614 DA convertor IC U105 1IS1-TLV320AIC3104 Chip audio decoding IC 1IS1-TPS54331DDA Chip switching power supply IC 1IS1-TS3A4751PWR Chip SPST analog switch IC 1TC1-UMC4 R Chip multiple-unit tube U26，U27，U28，U108，U109...
  • Page 44 TM840 Service Manual R23，R24，R25，R26，R31，R32，R33，R34，R35，R37，R39，R40，R42，R45，R62，R66，R69，R70，R71，R74，R78，R79，R80，R81， 2RS1-16-103J R Chip Resistance R83，R85，R86，R87，R91，R107，R108，R136，R156，R221，R14，R337，R413，R422，R126，R245，R190，R258，R279，R222，R76，R218， R322，R1035，R377，R381，R211，R220，R208，R234，R235，R215，R4002，R4007，R4008，R64，R65，R68，R366，R312，R368 2RS1-16-101J R Chip Resistance R373，R226，R77，R355，R370，R340，R374，R103，R104，R67，R99，R101，R105，R229，R210，R242，R290，R293，R294，R344 2RS1-16-330J R Chip Resistance R119，R297，R298，R299，R300，R301，R52，R53，R55，R56，R58，R59，R96，R97，R98，R117，R100，R255，R256，R257，R118，R102 2RE1-16-4302 R Chip Precision Resistance R137 2RE1-16-8201 R Chip Precision Resistance R249 2RS1-16-510J R Chip Resistance R44，R259，C177，C178，R323 2RS1-16-472J R Chip Resistance R50，R54，R275，R1001，R400，R94，R95，R92，R93...
  • Page 45 TM840 Service Manual 2RS1-16-331J R Chip Resistance 2RS1-16-220J R Chip Resistance R350，R372 2RS1-16-391J Chip Resistance R233，R206，R408，R360，R363 2RS1-16-224J R Chip Resistance R247 2RS1-16-124J R Chip Resistance R246 2RS1-16-824J Chip Resistance R261，R262，R263，R3011，R3013 2RE1-16-2002 Chip Precision Resistance R236 2RS1-10-330J R Chip Resistance R282.R283.R285.R286...
  • Page 46 TM840 Service Manual 2CC1-16-C0G500-8R0C R Chip Multilayer Capacitor C169，C500，C4007，C237，C480，C268，C520，C513，C474 2CC1-16-C0G500-9R0C R Chip Multilayer Capacitor C269 2CC1-16-C0G500-100D R Chip Multilayer Capacitor C199，C239，C81，C82，C35，C36，C167，C297，C101 2CC1-16-C0G500-110J R Chip Multilayer Capacitor C529，C238 2CC1-16-C0G500-120J R Chip Multilayer Capacitor C4006，C172 2CC1-16-C0G500-150J R Chip Multilayer Capacitor C284 2CC1-16-C0G500-200J R Chip Multilayer Capacitor C4011，C4016，C3005...
  • Page 47 TM840 Service Manual 2CC1-16-X5R6R3-475K Chip Multilayer Capacitor C45，C46，C57，C58，C70，C111，C129，C124，C126，C316，C43，C44，C55，C56 2CC1-16-C0G500-2R0B Chip Multilayer Capacitor C479，C437，C475，C482 2CC1-20-X7R160-475K Chip Multilayer Capacitor C506 2CT1-TP20-100-100M R Chip Ta Capacitor C176 2CC1-20-Y5V160-106Z Chip Multilayer Capacitor C30，C31，C29，C90，C19 2CC1-20-Y5V160-225Z Chip Multilayer Capacitor C361，C360 2CC1-32-C0G102-3R0J R Chip Multilayer Capacitor C586，C589，C588，C591...
  • Page 48 TM840 Service Manual 2LW1-20UC-270G R Chip Wire-wound Inductance 2LH1-R903R0-L02-03 R Chip Air Core Inductance L68，L69，L70 2LW1-20UC-331J Chip Wire-wound Inductance L4001，L24 2LW1-25UC-332K Chip Wire-wound Inductance L4005 2LH1-R903R0-L11-05 R Chip Air Core Inductance 2LG1-SWPA5040S-330M Chip Power Inductor FB15，FB16，FB17，FB18 2LG1-SWPA8040-6R8M Chip Power Inductor...
  • Page 49 TM840 Service Manual Control panel PCBA BOM 6SS2-4073-HFB STM-U Mobile panel jacking 3CL3-PH-20002 R Bar connector 3SE3-RE1100MD1-H01 encoding switch socket 7MBP-4028-01A-C KME221 Aviation plug（male head） 4PE3-3R0-Y25 luminous diode 6SS1-4073-HFC STM-U Mobile panel Chip jacking 2CC1-10-X5R100-104K R Chip Multilayer Capacitor C829...
  • Page 50 TM840 Service Manual 2RS1-16-4R7J Chip Resistance 1DS1-DA2S10100L R Chip switching diode 1DS1-DAN222 R Chip switching diode 2RS1-16-101J R Chip Resistance R19，R20，R21，R22，R23，R24 2RS1-16-151J R Chip Resistance Table2 136-174MHz Parts List(Electrics Section) Part No. Part Name Quantity Location 0SS1-4105-HMC SxM8010H/G mainboard SMT material...
  • Page 51 TM840 Service Manual 1DZ1-HZU5CLL R SMD zener diode (out of production) 1DZ1-PESD24V0S1UB SMD zener diode 1DZ1-PESD3V3S1UB SMD zener diode D61，D57，D62，D58，D59，D60, 1DZ1-PESD5V0S1UB SMD zener diode DP770， DP780， STP,KH620 D55，D51，D50，D49，D20，D21，D22，D46，D47，D48，D52，D53，D54，D56 1DR1-SMCJ20A SMD diode 4PE1-16-F2-G R SMD LED LED2 1DZ1-LM3Z18VT1G SMD zener diode...
  • Page 52 TM840 Service Manual 1IS1-MAX98400B D-type high power amplifier 1IS1-MC74VHC1GT66 High-speed CMOS analog switching IC U30,U110 1IM1-MT47H64M16 SMD memorizer IC 1IP1-OMAPL138BZWT3 Dual-core CPU 1IS1-PCF8563TS SMD specialized IC 1IS1-SKY72310 PLL chip U103 1IS1-SYM25DHW SMD frequency mixer IC3003 1IS1-TA75W01FU R SMD specialized IC...
  • Page 53 TM840 Service Manual R23,R24,R25,R26,R31,R32,R33,R34,R35,R37,R39,R40,R42,R45,R62,R66,R69,R70,R71,R74,R78,R79,R80,R81,R83,R85,R86,R87,R91,R107,R ， 、 108,R136,R156,R221 R576 2RS1-16-103J R Chip resistor ， R577,R76,R218,R322,R1035,R377,R381,R211,R220,R208,R234,R235,R215,R4002,R4007,R4008,R64,R65,R68,R366,R312,R368 R337,R413,R422,R376,R380R14,R126,R245,R190,R258,R279,R222, 2RS1-16-101J R Chip resistor R226,R77,R355,R370,R103,R104,R67,R99,R101,R105,R229,R210,R242,R290,R293,R294,R344,R360,R363,R216,R319 2RS1-16-330J R Chip resistor R119,R299,R52,R53,R55,R56,R58,R59,R96,R97,R98,R117,R100,R255,R256,R257,R118,R102,R200 2RE1-16-4302 R SMD precision resistor R137 2RE1-16-8201 R SMD precision resistor R249 2RS1-16-510J R Chip resistor R44,R259，C177，C178,R323...
  • Page 54 TM840 Service Manual 2RS1-16-391J Chip resistor R408 2RS1-16-224J R Chip resistor R247 2RS1-16-124J R Chip resistor R246 2RS1-16-824J Chip resistor R261，R262，R263，R3011，R3013 2RE1-16-2002 SMD precision resistor R236 2RS1-10-330J R Chip resistor R282.R283.R285.R286 2RS1-16-151J R Chip resistor R339,R430、R431 2RS1-16-390J Chip resistor R326,R429,R338...
  • Page 55 TM840 Service Manual 2CC1-16-C0G500-100D R Chip multilayer capacitor C81,C82,C35,C36,C167,C297,C377,C381 2CC1-16-C0G500-110J R Chip multilayer capacitor C529 2CC1-16-C0G500-120J R Chip multilayer capacitor C172,C513 2CC1-16-C0G500-150J R Chip multilayer capacitor C284,C437,R195,R420,C474,C476,C500 2CC1-16-C0G500-200J R Chip multilayer capacitor C3005,C268 2CC1-16-C0G500-220J R Chip multilayer capacitor C239,C281,C462,C494,C469,C258,C259,C3007 2CC1-16-C0G500-270J...
  • Page 56 TM840 Service Manual 2CT1-TP20-100-100M R SMD tantalum capacitor C176 2CC1-20-Y5V160-106Z Chip multilayer capacitor C30,C31,C29,C90 2CC1-20-Y5V160-225Z Chip multilayer capacitor C361，C360 2CC1-32-C0G102-3R0J R Chip multilayer capacitor C591,C587 C413 ， C323,C181,C195,C188 ， C189 ， C243,C246,C418,C420,C4024,C4029,C414,C290,C192,C193,C197,C241,C242,C304,C305,C347, 2CT1-TS32-160-100M R SMD tantalum capacitor C348,C328,C322,C327,C331,C326,C394,C600,C28,C26,C108,C27 2CT1-TS32-350-R10M R SMD tantalum capacitor...
  • Page 57 TM840 Service Manual 7MBC-4073-06A-W STM-U audio power amplifier shielding frame 7MBC-4073-05A-W STM-U_9864 shielding case U-BLOX GPS module AP570 ， DM580 ， 1MR3-MAX-6Q STP,STM,STR 2CC1-33-X5R160-476M SMD capacitor 2CC1-10-X7R160-104K R chip multilayer capacitor C140,C148，C231, C266，C271，C275,C145，C146，C150，C151 2LW1-20UC-560GB SMD wire wound inductor L114 2RS1-16-273J...
  • Page 58 TM840 Service Manual 2RS1-10-392J R chip capacitor R388 2RS1-10-222J R chip capacitor R177 2RS1-10-683J R chip capacitor R140 2CC1-32-Y5V500-106Z chip multilayer capacitor C106，C135 1DR1-TPD4S012DRY TVS triode High-temperature sticker SEPURA 7PLJ-025006-T01A 1.05 barcode sticker 2CC1-16-C0G500-130J R chip multilayer capacitor C3006,C255 1IP1-000SxM-R01...
  • Page 59 TM840 Service Manual 7MBR-4025-02A-W0 DM890 Aviation plug Waterproof Ring 7MHR-7069-08A-W0 O-Ring 7MBL-4073-01A-W-A STM-U aluminum alloy Bracket (Drop rubber ) 7MBL-4062-02A-W-A DM850 Aluminum alloy cover (Drop rubber) 7MBL-4062-03B-W DM850 aluminium alloy lower cover 7MBS-4062-01A-W DM850 Keypad Metal Dome 7MHS-1140-01A-W 3118/3208 Knob circlip...
  • Page 60 TM840 Service Manual Figure1 TM840 400-470MHz Mainboard Top Side PCB View...
  • Page 61 TM840 Service Manual Figure2 TM840 400-470MHz Mainboard Bottom Side PCB View...
  • Page 62 TM840 Service Manual Figure3 TM840 400-470MHz Keypad Board Bottom Side PCB View...
  • Page 63 TM840 Service Manual Figure4 TM840 400-470MHz Keypad Board Top Side PCB View...
  • Page 64 TM840 Service Manual Figure5 TM840 400-470MHz Mainboard Schematic Diagram GAIN: 30dB P1dB:47.5 dBm RX: -120dBm S21 :0.3dB S21 :0.5dB S21 :0.2dB GV-84 GV-63 VDD: 12.5V TX/RX SWITCH Coupler ATTENUATOR Match Pout_max :46.5dBm 7dBm 5 dBm 20 dBm 18dBm GAIN: 12dB GAIN: 24dB P1dB:20.5 dBm...
  • Page 65 TM840 Service Manual 0.1uF 20% 50V TPS54331 L1 NR8040T4R7N_6.8uH DC13V8 BOOT NMOS FB73 C383 5 FE1-BLM21PG221SN1 332K 4700P B330A DCDC_EN COMP 10K 1% VSNS VCCIN 0.005 10nF 10% 50V 0.005 39PF 2K 1% CON2 AOUT LT4365 12K 5% DC13V8 PWR_KEY_DET...
  • Page 66 TM840 Service Manual OMAP-L138ZWT U4-B 1V8_DDR 1V2_OMAP DVDD18_1 CVDD_1 DVDD18_2 CVDD_2 DVDD18_3 CVDD_3 DVDD18_4 CVDD_4 DVDD18_5 CVDD_5 DVDD18_6 CVDD_6 DVDD18_7 CVDD_7 DVDD18_8 CVDD_8 DVDD18_9 CVDD_9 DVDD18_10 CVDD_10 DDR_DVDD18_1 CVDD_11 DDR_DVDD18_2 CVDD_12 DDR_DVDD18_3 CVDD_13 DDR_DVDD18_4 CVDD_14 DDR_DVDD18_5 CVDD_15 DDR_DVDD18_6 CVDD_16 DDR_DVDD18_7...
  • Page 67 TM840 Service Manual OMAP-L138ZWT MT47H64M16HR U4-A DDR_A12 1V8_DDR OPTION_IO1 DDR_A13 MMCSD0_CLK/PRU1_R30[31]/GP4[7] DDR_A[13] DDR_A11 DDR_A12 OPTION_IO2 EMA_A[22]/MMCSD0_CMD/PRU1_R30[30]/GP4[6] DDR_A[12] DDR_A10 DDR_A11 OPTION_IO3 EMA_A[21]/MMCSD0_DAT[0]/PRU1_R30[29]/GP4 DDR_A[11] DDR_A9 DDR_A10 EMA_A[20]/MMCSD0_DAT[1]/PRU1_R30[28]/GP4 DDR_A[10] DDR_A8 OPTION_IO4 DDR_A9 EMA_A[19]/MMCSD0_DAT[2]/PRU1_R30[27]/GP4 DDR_A[9] DDR_A7 DDR_A8 VDDQ EXT_IO2_MONITOR EMA_A[18]/MMCSD0_DAT[3]/PRU1_R30[26]/GP4 DDR_A[8] DDR_A6 DDR_A7 VDDQ...
  • Page 68 TM840 Service Manual 3V3_OMAP DEBUG MODE OMAP-L138ZWT U4-C VP_DIN[15]_VSYNC/UHPI_HD[7]/UPP_D[7]/PRU VP_DOUT[15]/LCD_D[15]/UPP_XD[7]/GP7[7]/B VP_DIN[14]_HSYNC/UHPI_HD[6]/UPP_D[6]/PRU VP_DOUT[14]/LCD_D[14]/UPP_XD[6]/GP7[6]/B 10K 5% VP_DIN[13]_FIELD/UHPI_HD[5]/UPP_D[5]/PRU VP_DOUT[13]/LCD_D[13]/UPP_XD[5]/GP7[5]/B 10K 5% BOOT4 VP_DIN[12]/UHPI_HD[4]/UPP_D[4]/PRU0_R30[ VP_DOUT[12]/LCD_D[12]/UPP_XD[4]/GP7[4]/B 10K 5% BOOT3 VP_DIN[11]/UHPI_HD[3]/UPP_D[3]/PRU0_R30[ VP_DOUT[11]/LCD_D[11]/UPP_XD[3]/GP7[3]/B BOOT2 VP_DIN[10]/UHPI_HD[2]/UPP_D[2]/PRU0_R30[ VP_DOUT[10]/LCD_D[10]/UPP_XD[2]/GP7[2]/B BOOT1 VP_DIN[9]/UHPI_HD[1]/UPP_D[1]/PRU0_R30[9 VP_DOUT[9]/LCD_D[9]/UPP_XD[1]/GP7[1]/BOO VP_DIN[8]/UHPI_HD[0]/UPP_D[0]/GP6[5]/PRU VP_DOUT[8]/LCD_D[8]/UPP_XD[0]/GP7[0]/BOO 10K 5% VDET_1 LCD_D7 VP_DIN[7]/UHPI_HD[15]/UPP_D[15]/RMII_TXD VP_DOUT[7]/LCD_D[7]/UPP_XD[15]/GP7[15]/P...
  • Page 69 TM840 Service Manual Hole Hole Hole Hole HOLE1 HOLE2 HOLE3 HOLE4 Hole HOLE14 MM9329-2700 3V3_GPS VRESET RF_IN VCCIO R254 GPS_VBAT ANTON V_BCKP 220nH ADD R254 LED2 VCC_RF EXTINT0 10K 5% NC_15 TIMEPULSE SDA2 RXD1 GPS_RXD DEL D23 FB57 BLM15AG221SN1D GPS_TXD...
  • Page 70 TM840 Service Manual 改封装 OMAP_RESET# R127 R128 200R I2C0_SCL FRONT_13V8 I2C0_SDA BLM15AG221SN1D TP17 TP16 OPTION_SPI_CS R120 200R MIC- MIC+ AD9864_SKY72310_CLK CH_AC R117 33 5% R129 200R AD9864_DOUTB R118 33 5% R130 200R CH_BC AD9864_SKY72310_DATE R119 33 5% R121 OPTION_IO1 HOOK...
  • Page 71 TM840 Service Manual 3V3_CODEC FB13 BLM18PG181SN1 3V3_LDO FB14 C111 C112 C114 C122 C113 1V8_LDO BLM18PG181SN1 CODEC_SPK1+ 100R R309 CODEC_SPK1- 100R R321 CODEC_SPK2+ 100R R383 CODEC_SPK2- 100R R390 C117 C118 C119 R144 1K 5% C120 MICBIAS LEFT_LOP R151 1K 5% LEFT_LOM C115 0.1uF 20% 50V...
  • Page 72 TM840 Service Manual 26PIN_TO_VGA UH51543-CS7-7F AUX_AUDIO2 AUX_AUDIO1 DC13V8 DC13V8 ALARM_OUT_R R257 33 5% IGN_SENSE_R EXT_IO8_R R255 33 5% EXT_IO4_R R256 33 5% EXT_IO7_R R170 TX_AUDIO R387 FB19 ST2301 RX_AUDIO DC13V8 R166 C153 EXT_IO3_R USB0_DP R176 R169 USB0_DM EXT_IO2_MONITOR_R FB20 EXT_IO6_R...
  • Page 73 TM840 Service Manual 5V5_AD FB44 FB35 BLM18PG181SN1 RXVCO_5V TXVCO_5V 7V0_ALL FB32 XC6209F502PR 7V0_ALL BLM18PG181SN 1 RXVCOBUFFER_5V R222 TXVCOBUFFER_5V 7V0_ALL R218 C347 HVC350B HVC350B C350 C348 + C349 HVC350B 0.1UF 0.1UF 10uF/16V 10uF/16V R291 R192 R232 2SC4617 2SC4617 2SC4617 C304 C322...
  • Page 74 TM840 Service Manual UMC4 R350 22R TXVCO_5V TX_VCO_H C511 C530 R362 6.8k 220p 0.1UF 330n C502 C486 R332 3.3k 0.1UF 220p C466 220p R340 100 L103 330n C467 1p D101 1sv305 C479 C513 2SC3356 C488 D116 1sv305 L41 330nH C482...
  • Page 75 TM840 Service Manual U108 UMC4 R203 68R RXVCO_5V RX_VCO_H C524 C517 R345 0.1UF 220p TO_PLL 6.8k L117 12nH 330n C380 TX_TOPLL C101 C496 C472 R359 220p 0.1UF 3.3K R355 C492 220p C381 C377 L121 C434 330n D107 1sv305 C515 4p...
  • Page 76 TM840 Service Manual RXLO1 RX_5V R315 TP3001BPF TP2 BPF C382 C478 C483 C477 C487 C491 HVC131 C493 C256 C257 C260 3 0 p F C200 10nF C3004 C190 220PF RX_IN L210 R313 C254 3.5pF 0.1UF C255 C259 47pF 180nH R205...
  • Page 77 TM840 Service Manual U100 RFMODULE L13 BLM41P600SPT DECT VCCIN 33pF C567 TX IN DC13V8 TX OUT RA55H4047 L6 BLM41P600SPT C582 0.1uF C604 C639 0.1uF C566 0.1uF C569 C570 C605+ C571 C572 C573 C568 R330 150R 0.1uF 47pF 150pF C565 33pF...
  • Page 78 TM840 Service Manual LM2941S FB25 BLM21PG221SN1 BLM18PG181SN1 FB12 DC13V8 C107 7V0_ALL R136 R137 C106 C109 C110 C108 43K 1% 10K 5% 1.275 C321+ DTC144EE 100uF/25V R138 POWERSAVE R258 12.1K 1% 10K 5% DECT C354 220pF C353 220pF IC3-A AD8566 R410...
  • Page 79 TM840 Service Manual FB4000 0R L1004 BLM11A601S L1003 BLM11A601S R4000 510R Q1005 2SC4617-R RXVCO_AD9864_5V C4004 C4005 C416 C1033 C413 + C415 0.1UF 10UF/50V C301 C4000 C4001 C4002 C4003 C414 R4001 10uF/50V TP4000 TEST_POINT AD9864_IO_3V3 AD9864_SYN_3V R4002 10k C4006 12PF Q4000...
  • Page 80 TM840 Service Manual Figure6 TM840 400-470MHz Keypad Board Schematic Diagram 3V3_OMAP 轻触开关 轻触开关 轻触开关 轻触开关 KB-R03 USB0_DM USB0_DP DC13V8 轻触开关 轻触开关 轻触开关 轻触开关 1 0 K HVC131 HVC131 KB-R02 MIC- 1 0 K MIC+ HOOK HOOK MIC_DAT 1 轻触开关 轻触开关...
  • Page 81 TM840 Service Manual 3V3_OMAP FB11 10k 5% BLM18PG181SN1 POWER_DIS 10K 5% 3V3_OMAP 10K 5% BLM18PG181SN1 C829 10k 5% C830 1 2 0 6 L 0 1 2 DC13V8 0.1uF 4.7uF CH_AC KEYBOARD_RESET B L M 1 5 A G 2 2 1 S N 1 D...
  • Page 82 TM840 Service Manual Figure7 TM840 136-174MHz Mainboard Top Side PCB View...
  • Page 83 TM840 Service Manual Figure8 TM840 136-174MHz Main Board Bottom Side PCB View...
  • Page 84 TM840 Service Manual Figure9. TM840 136-174MHz Keypad Board Bottom Side PCB View...
  • Page 85 TM840 Service Manual Figure10 TM840 136-174MHz Keypad Board Top Side PCB View...
  • Page 86 TM840 Service Manual Figure11 TM840 136-174MHz Mainboard Schematic Diagram GAIN: 30dB P1dB:47.5 dBm RX: -120dBm S21 :0.3dB S21 :0.5dB S21 :0.2dB GV-63 GV-84 VDD: 12.5V TX/RX SWITCH Coupler ATTENUATOR Match Pout_max :46.5dBm 7dBm 5 dBm 20 dBm 18dBm GAIN: 12dB GAIN: 24dB P1dB:20.5 dBm...
  • Page 87 TM840 Service Manual 0.1uF 20% 50V TPS54331 L1 NR8040T220N_22uH DC13V8 BOOT NMOS FB73 C383 5 FE1-BLM21PG221SN1 332K 4700P B330A DCDC_EN COMP 10K 1% VSNS VCCIN 0.005 10nF 10% 50V 0.005 39PF 2K 1% CON2 AOUT LT4365 12K 5% DC13V8 PWR_KEY_DET...
  • Page 88 TM840 Service Manual OMAP-L138ZWT U4-B 1V8_DDR 1V2_OMAP DVDD18_1 CVDD_1 DVDD18_2 CVDD_2 DVDD18_3 CVDD_3 DVDD18_4 CVDD_4 DVDD18_5 CVDD_5 DVDD18_6 CVDD_6 DVDD18_7 CVDD_7 DVDD18_8 CVDD_8 DVDD18_9 CVDD_9 DVDD18_10 CVDD_10 DDR_DVDD18_1 CVDD_11 DDR_DVDD18_2 CVDD_12 DDR_DVDD18_3 CVDD_13 DDR_DVDD18_4 CVDD_14 DDR_DVDD18_5 CVDD_15 DDR_DVDD18_6 CVDD_16 DDR_DVDD18_7...
  • Page 89 TM840 Service Manual MT47H64M16HR U4-A OMAP-L138ZWT DDR_A12 DDR_A13 1V8_DDR OPTION_IO1 MMCSD0_CLK/PRU1_R30[31]/GP4[7] DDR_A[13] DDR_A11 OPTION_IO2 DDR_A12 EMA_A[22]/MMCSD0_CMD/PRU1_R30[30]/GP4[6] DDR_A[12] DDR_A10 DDR_A11 OPTION_IO3 EMA_A[21]/MMCSD0_DAT[0]/PRU1_R30[29]/GP4 DDR_A[11] DDR_A9 DDR_A10 EMA_A[20]/MMCSD0_DAT[1]/PRU1_R30[28]/GP4 DDR_A[10] OPTION_IO5 DDR_A8 DDR_A9 OPTION_IO4 EMA_A[19]/MMCSD0_DAT[2]/PRU1_R30[27]/GP4 DDR_A[9] DDR_A7 DDR_A8 VDDQ EMA_A[18]/MMCSD0_DAT[3]/PRU1_R30[26]/GP4 DDR_A[8] OPTION_IO6 DDR_A6 DDR_A7...
  • Page 90 TM840 Service Manual 3V3_OMAP DEBUG MODE OMAP-L138ZWT U4-C VP_DOUT[15]/LCD_D[15]/UPP_XD[7]/GP7[7]/B P4 VP_DIN[15]_VSYNC/UHPI_HD[7]/UPP_D[7]/PRU VP_DOUT[14]/LCD_D[14]/UPP_XD[6]/GP7[6]/B R3 VP_DIN[14]_HSYNC/UHPI_HD[6]/UPP_D[6]/PRU 10K 5% VP_DOUT[13]/LCD_D[13]/UPP_XD[5]/GP7[5]/B R2 VP_DIN[13]_FIELD/UHPI_HD[5]/UPP_D[5]/PRU 10K 5% VP_DOUT[12]/LCD_D[12]/UPP_XD[4]/GP7[4]/B R1 BOOT4 VP_DIN[12]/UHPI_HD[4]/UPP_D[4]/PRU0_R30[ 10K 5% VP_DOUT[11]/LCD_D[11]/UPP_XD[3]/GP7[3]/B T3 BOOT3 VP_DIN[11]/UHPI_HD[3]/UPP_D[3]/PRU0_R30[ VP_DOUT[10]/LCD_D[10]/UPP_XD[2]/GP7[2]/B T2 BOOT2 VP_DIN[10]/UHPI_HD[2]/UPP_D[2]/PRU0_R30[ VP_DOUT[9]/LCD_D[9]/UPP_XD[1]/GP7[1]/BOO T1 BOOT1 VP_DIN[9]/UHPI_HD[1]/UPP_D[1]/PRU0_R30[9 VP_DOUT[8]/LCD_D[8]/UPP_XD[0]/GP7[0]/BOO U3...
  • Page 91 TM840 Service Manual Hole Hole Hole Hole HOLE1 HOLE2 HOLE3 HOLE4 Hole HOLE14 MM9329-2700 3V3_GPS VRESET RF_IN VCCIO R254 GPS_VBAT ANTON V_BCKP 220nH ADD R254 LED2 VCC_RF EXTINT0 10K 5% NC_15 TIMEPULSE SDA2 RXD1 GPS_RXD BLM15AG221SN1D DEL D23 FB57 GPS_TXD...
  • Page 92 TM840 Service Manual R427 OPTION_IO5 OPTION_IO6 R428 改封装 OMAP_RESET# R127 R128 200R R423 I2C0_SCL FRONT_13V8 R426 I2C0_SDA BLM15AG221SN1D TP17 TP16 OPTION_SPI_CS R120 200R MIC- MIC+ AD9864_SKY72310_CLK CH_AC R117 33 5% R129 200R AD9864_DOUTB CH_BC R118 33 5% R130 200R AD9864_SKY72310_DATE...
  • Page 93 TM840 Service Manual 3V3_CODEC FB13 BLM18PG181SN1 3V3_LDO FB14 C111 C112 C113 C114 C122 1V8_LDO BLM18PG181SN1 CODEC_SPK1+ 100R R309 CODEC_SPK1- 100R R321 CODEC_SPK2+ 100R R383 CODEC_SPK2- 100R R390 C117 C118 C119 R144 1K 5% C120 MICBIAS LEFT_LOP R151 1K 5% LEFT_LOM C115 0.1uF 20% 50V...
  • Page 94 TM840 Service Manual 26PIN_TO_VGA UH51543-CS7-7F AUX_AUDIO2 AUX_AUDIO1 DC13V8 DC13V8 ALARM_OUT_R R257 33 5% IGN_SENSE_R EXT_IO8_R R255 33 5% EXT_IO4_R 33 5% R256 EXT_IO7_R R170 R387 TX_AUDIO ST2301 FB19 RX_AUDIO DC13V8 C153 R166 EXT_IO3_R USB0_DP R176 R169 USB0_DM EXT_IO2_MONITOR_R FB20 EXT_IO6_R...
  • Page 95 TM840 Service Manual 5V5_AD FB44 FB35 BLM18PG181SN1 TXVCO_5V RXVCO_5V 7V0_ALL FB32 XC6209F502PR 7V0_ALL BLM18PG181SN 1 RXVCOBUFFER_5V R222 TXVCOBUFFER_5V 7V0_ALL R218 C347 HVC350B HVC350B C348 + C350 C349 HVC350B 0.1UF 0.1UF 10uF/16V 10uF/16V R291 R192 R232 2SC4617 2SC4617 2SC4617 C304 C322...
  • Page 96 TM840 Service Manual UMC4 R350 22R TXVCO_5V TX_VCO_H C511 C530 R362 6.8k 220p 0.1UF 330n C502 C486 R332 3.3k 0.1UF 220p R205 1 8 0 R340 C466 220p L103 330n C467 1 2 p 1 0 p D101 1sv305 C200...
  • Page 97 TM840 Service Manual 2 2 R U108 UMC4 R203 RXVCO_5V RX_VCO_H C524 C517 R345 3 3 n H 0.1UF 220p TO_PLL 6.8k L117 330n C380 1 0 0 p TX_TOPLL C101 C496 C472 R359 220p 0.1UF 3.3K R355 C492 220p...
  • Page 98 TM840 Service Manual RXLO1 RX_5V R315 TP3001BPF TP2 BPF C382 C477 C478 C483 C493 C491 C487 HVC131 2 2 n H 2 2 n H 2 2 n H C256 2 2 n H 2 2 n H C257 C260...
  • Page 99 TM840 Service Manual U100 RFMODULE L13 BLM41P600SPT VCCIN 33pF C567 TX IN DECT DC13V8 TX OUT RA55H4047 L6 BLM41P600SPT C582 0.1uF C604 C639 0.1uF C566 0.1uF C570 C569 C605+ C571 C572 C573 C568 R330 150R 0.1uF 47pF 150pF 33pF C565...
  • Page 100 TM840 Service Manual LM2941S FB25 BLM18PG181SN1 FB12 BLM21PG221SN1 DC13V8 7V0_ALL C107 R136 R137 C106 C108 C109 C110 43K 1% 10K 5% 1.275 C321+ DTC144EE 100uF/25V R138 POWERSAVE R258 12.1K 1% 10K 5% DECT C354 220pF C353 220pF IC3-A AD8566 R410...
  • Page 101 TM840 Service Manual FB4000 0R L1004 BLM11A601S L1003 BLM11A601S R4000 510R Q1005 2SC4617-R RXVCO_AD9864_5V C4005 C4004 C416 C1033 C413 + C415 0.1UF 10UF/50V C301 C4000 C4001 C4002 C4003 C414 R4001 10uF/50V TP4000 TEST_POINT AD9864_IO_3V3 5 6 P F 1 6 P F...
  • Page 102 TM840 Service Manual Figure 12 TM840 136-174MHz Keypad Board Schematic Diagram 3V3_OMAP 轻触开关 轻触开关 轻触开关 轻触开关 KB-R03 USB0_DM USB0_DP DC13V8 轻触开关 轻触开关 轻触开关 轻触开关 1 0 K HVC131 HVC131 KB-R02 MIC- 1 0 K MIC+ HOOK HOOK MIC_DAT 1 轻触开关...
  • Page 103 TM840 Service Manual 3V3_OMAP FB11 10k 5% BLM18PG181SN1 POWER_DIS 10K 5% 3V3_OMAP 10K 5% BLM18PG181SN1 C829 10k 5% C830 1 2 0 6 L 0 1 2 DC13V8 0.1uF 4.7uF KEYBOARD_RESET CH_AC B L M 1 5 A G 2 2 1 S N 1 D...

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