1. Overview 1.1. Scope This manual is intended for the maintenance & repair of FM540 and used by engineers and professional technicians trained by Kirisun. Dada changes in this manual may occur with the improvement of technology. To get the latest technology information, please contact us or your local distributors.
FM540 Service Manual 2. External Views and Key Features 2.1 Front Panel Part Name Part Name Volume Control Knob Microphone/Programming Port Rotate the knob toadjust the volume LCD Display P1 Key (programmable key) Refer to “LCD Display” section LED Indicator Red indicator glows: transmitting.
FM540 Service Manual 2.2 LCD Display Icon Description Signal strength indicator. The signal gets stronger with more signal bars. Unread Message Full Inbox The current channel is scanning High Power Low Power Analog Channel Digital Channel Emergency state (except secret alarm) or an emergency alarm is received.
FM540 Service Manual 2.3 Rear Panel Part Name Part Name Antenna Port Power Port External Speaker Port 2.4 Microphone (Handheld) Part Name PTT Key Press the key to transmit and release to receive. Page 4 of 99...
Page 8
FM540 Service Manual * Key Enter “*”. # Key Switch input method. Enter Key Programmable key. Set as menu navigation enter key by default. Up key Programmable key. Set as Up Key by default. Down Key Programmable key. Set as Down Key by default.
FM540 Service Manual 3. Circuit Description 3.1 Overview This is a FM device. 3.2 Frequency Composition of Circuit Figure 3-1 Circuit Schematic 450KHz MIXER IF SYSTEM ANT SW 51.65MHz 12.8MHz TCXO multiply CODEC The receiver applies secondary mixing technology.The first intermediate frequency is 51.65MHz and the second one is 450 kHz.
FM540 Service Manual 3.3 RX Principle Figure 3-2 RX Schematic MIXER 1st local D3 D37 D36 RF AMP ANT SW PC/TV IC19 TCXO Multiply XF700 IF AMP 51.65MHz AF PA CODEC IF DET 450K • Front End of Receiver The signal received will passTx-Rx switch controller andalso the BPF composed of LC of two levels...
FM540 Service Manual signal (51.65MHz) in IC6 to generate the second IF signal (450kHz). The second IF signal will be amplified and limited in IC700 and after being filtered by CF1 crystal filter (450kHz), it will be demodulated by IC700 and audio signal will be output.
FM540 Service Manual 3.5 Principle of Frequency Synthesizer Figure 3-4Diagram of Frequency Synthesizer RX VCO IC12 RF AMP BUFF AMP ½ FREQ PLL IC DATA DATA TX VCO Q25,U2 12.8MHz TCXO This radio applies PLL frequency synthesizer.The frequency synthesizer consists of reference oscillator, voltage controlled oscillator (VCO), programmable frequency divider, phase comparator and low pass filter.
FM540 Service Manual 3.6 Audio Processing Circuit Figure 3-5 Frequency Synthesis Diagram Host MCU SCT3252 FM receiver Voice Protocol coder 4FSK stack FM modulator • MIC Signal Processing The audio signal from MIC is sent to U6 for A/D audio switch and sent to U1 SCT3252 for internal adio encoding/decoding, communication protocol processing, channel coding modulation.
FM540 Service Manual IC1: 5C switch. 5V circuit is controlled by MCU. 5C supplies power for frequency synthesizer. IC8, IC102: 3V and 1.2V DC\DC voltage stabilizing circuit; supplies DC current for U1 (SCT3252F). IC9: 8V three-terminal voltage stabilizing circuit. 3.8 MCU Unit...
Page 15
FM540 Service Manual 39 groups of standard CTCSS frequency of this radio are available. See Chart 1. CTCSS signal is generated by MCU (PWM wave form), and it is sent to VCO for modulation after being filtered by the low pass filter composed of RC for eliminating the frequency higher than 300Hz.
FM540 Service Manual 3.9 Semiconductor Description Chart 3-3 Microprocessor (M30620) Port Description Pin No. Port Name Input/ output Function VCCN D/A Output Reference frequency adjustment output TONE_OUT D/A Output DTMF/Tone output, beep output HSDI Tone decoding input EPDT EEPROM data input/ output...
Page 17
FM540 Service Manual XOUT CPU clock output CPU clock input PTT key S_CS FLASH data output S_SO FLASHdata output S_SCK FLASH data output PC/TV TX power,receving frequency band voltage tunning S_SI FLASH data output TXD1 output RXD1 input C_CLK Emulator interface...
Page 18
FM540 Service Manual RX SW Receiver VCO switch TX SW Transmitter VCO switch C_CE Emulator interface PLL UL Phase-locked loop loss of lock check pin PLL STD Phase-locked loop enabling control PLL DATA Phase-locked loop data output PLL CLK Phase-locked loop clock...
Page 19
FM540 Service Manual HPI_DATA0 HPI address bus HPI_DATA1 HPI address bus HPI_DATA2 HPI address bus HPI_DATA3 HPI address bus HPI_DATA4 HPI address bus HPI_DATA5 HPI address bus HPI_DATA6 HPI address bus HPI_DATA7 HPI address bus SI/D7 LCD data output SCL/D6...
Page 20
FM540 Service Manual RSSI Receiving filed intensity signal input BUSY Squelch voltage check input VOL_DET VOL_DET AVSS TEMP TX temperature detection VREF AVCC W/N switch pin Speaker micdata input pin TGSW TX control pin Chart 3-4 Semiconductor Description Position Mark...
Page 21
FM540 Service Manual UMC4 TX VCO control switch 2SC5108 Feedback loop amplifier DTA143TE RX VCO control switch 2SC4617 VCO power filter 2SC5108 VCO buffer amplifier 2SC5108 RX second local oscillation amplifier 2SC3356 TX VCO oscillation tube 2SC3357 Trasmitter power amplification boost...
FM540 Service Manual 4.2.2. Scan Revert Channel When the radio is scanning, press the PTT button” and the radio transmits and communicates on a preset channel. This channel can be programmed by the local distributor. 4.3 Kill and Unkill If the dealer enables this feature, the radio can receive and decode other radio’s signals of Kill and Unkill before responding accordingly.
The stepsof setting parameters with computer are as below: Step 1.Install FM540 programming software on the computer. Step 2. Use FM540 programming cable to connect the radio to PC serial port. See the following: Note: please turn off the radio before connection.
FM540 Service Manual 5. Assembling and Disassembling This radio is sophisticated communication equipment with a precise and compact mechanism. The assembly and disassembly of the radio must be carefully performed during the repair. The description is as follows: 5.1 Exploded View Part No.
Page 26
FM540 Service Manual 7MHJ-4090-01A-W FM540 lens double-sided adhesive 7SMF-025050M-MHYB-B M2.5*5 flat round torx-head machine screw 7MBP-4090-03A-WC FM540 light pipe 7PLJ-4028-E02A KME-221 brand sticker 7MBP-4090-01A-W0 FM540 front shell 7MHR-1939-03A-W0 PT8000 speaker dust-proof net 4SS7-3520-016-700 Speaker 3WPT-S1938-01A Black and white twisted pair...
7MHS-4090-01A-J FM540 metal dome key 6SS2-4090-HKA FM540 keyboard suite 7MHS-4090-02A-W FM540 key PCB grounding spring 7STF-026060B-SZYB-Z Screw M2.6*6 5.2 Maintenance and Disassembling Description 5.2.1. RF-PCB Disassembling Description Step 1. Unscrew the six M3*25 screws on the top and bottom cover,as shown in ,open the aluminum bottomcover ( see the figure below).
Page 28
FM540 Service Manual PCB(see the figure below). Step 3. Loose the four M2.5*5 panel screws as shown in . Disassemble the metal panel,plastic buckleand speaker plug (see the picture below). Step 4.Unplug the flat cable and speaker cable, and use the soldering iron to separate the antenna head from RF-PCB;...
FM540 Service Manual 5.2.2. Key-PCB Disassembling Description Step 1. loose the six 6 M3*25 screws on the top and bottom cover as shown in , and open the aluminum bottom cover (see the figure shown below). Step 2. remove the flat cable and speaker cable from the mainboard as shown in Step 3.
FM540 Service Manual plastic panel.(seethe figure shown below). After the disassembly, you can perform further repair and modulation based on faults. 6. Test and Modulation 6.1 Test and Modulation Method During the repair, changing components may require proper test and modulation according to the technical specifications of the radio.
FM540 Service Manual 6.1.3. Modulation by Computer 1.TX frequency On the computer mode [frequency stability], the transmitting frequency is adjusted within ±100Hz. 2.Power a.On the computer mode [TX high power], adjust the TX high power as 25W±2W. b.On the computer mode [TX middle power], adjust the power middle power as 10W±2W.
FM540 Service Manual 3. First Level Squelch Adjustment a.Set the RF signal as -122dBm, modulated frequency deviation as 1.5kHz. On the computer mode(open), click OK when the value is stable. b.Set the RF signal as -124dBm, modulated frequency deviation as 1.5kHz. On the computer mode (close), click OK when the value is stable.
FM540 Service Manual 7. Major Technical Performance and Specifications 7.1 General Specifications Product Model FM540 Frequency Range UHF: 400-470MHz VHF: 136-174MHz 4FSK/11KФF3E Modulation Method Channel Capacity Channel Spacing 12.5kHz Intermediate Frequency IF: 51.65MHz, 2 IF: 450kHz Working Voltage 13.8V negative pole grounding...
FM540 Service Manual 7.3 TX Specification TX Power 25W/10W/5W @13.8 DC ≤ ±2.5ppm Frequency Stability Maximum Modulated Frequency ±2.5kHz Deviation ≤ 3% Modulated Distortion 300~3000Hz ≥60dB Adjacent Channel TX Power ≥70 dB Spurious Transmission ≥40 dB Residual Modulation ≤8A @ 13.8 DC...
FM540 Service Manual 8. Service and Test Equipment During service and modulation, please use the device listed below: Device Major Specification Frequency Range: 0 - 1GHz Standard Signal Generator Modulation: frequency modulation and external modulation Output: from 127dBm/0.1uv to 47dBm/1mv...
Page 36
FM540 Service Manual A Poor contact of antenna. Re-fix the antenna. B Low sensitivity. Adjust the “test mode”. C High-frequency amplification tube Q703 failed. Change to a new tube. Failed to receive D The squelch level is too high so the squelch cannot be turned on.
FM540 Service Manual Appendix 1 Acronyms amplify, amplifier antenna automatic power control band pass filter CTCSS continuous tone control squelch system Digital code squelch Demodulation DEMOD E2PROM Electrically erasable programmable read-only memory high pass filter instantaneous deviation control intermediate frequency...
FM540Service Manul Appendix2 Material List Electrics136-174MHz Material No. Material Name Specification Quantity Position No FM540-01 Radio 136-174MHZ,6.25KHZ 136-174MHZ 6SS2-4092-HMB FM540-01Mainboard Suit mobile,6.25KHZ FM540-01 Mainboard Plug-In 0SS2-4092-HMA 136-174MHZ,6.25KHZ Material 5FT3-CFWLB450KJ Ceramic filter CFWLB450KJFA-B0,450kHz FA-B0 ±2kHz,murata,leadfree 5FT3-LTM450FW-A R Ceramic filter LTM450FW,450KHZ±7KHZ frequency detector...
Page 39
FM540-01patch material suit mobile,6.25KHZ, FM540-01Mainboard patch 136-174MHZ 0SS1-4092-HMD material mobile,6.25KHZ, FM540V-20150911.PCB:93.5 6PM7-4092-BMD FM540-01 mainboard PCB X141mm thickness:1.6MM,4 FM540-01v Band Mainboard PCB layers,FR-4,leadfree EMI,FILTER, 5FE1-BLM41P600S R Chip EMI suppression filter SMT,BLM41P600SPT,1206,l L25,L26 eadfree 1IS1-GT3136 E patch special IC GT3136,SSOP16 Wire Diameter:φ0.9,Inner...
Page 40
FM540Service Manul Wire Diameter :φ0.9,Inner 2LH1-R903R0-L06- R chip Air Core Inductor Diameter:φ3.0,6Circles,Legs L18,L28 Height:0.5mm,Back Roll Chip Memory: IC Replaced 1IM1-AT24C512C AT24C512C,leadfree IC200 By:1IM1-AT24C512BN 2CC1-10-X5R6R3-1 R Chip Multilayer Capacitor 1005,1uF±10%,6.3V,X5R C296,C449,C450,C56,C120,C254 2CC1-10-C0G500-1 R Chip Multilayer Capacitor 1005,10P±0.5P,50V,C0G C7,C138,C139 C127 2CC1-10-Y5V160-1 1005,1uF+80%/-20%,16V,Y5 Chip Multilayer Capacitor C11,C386 2CC1-10-C0G500-1...
Page 41
FM540Service Manul 2CC1-10-C0G500-3 R Chip Multilayer Capacitor 1005,3P±0.25P,50V,C0G C413,C175,C80 2CC1-32-C0G102-1 R Chip Multilayer Capacitor 3216,15P±5%,1000V,C0G 2CC1-32-C0G102-3 R Chip Multilayer Capacitor 3216,30P±5%,1000V,C0G 2CC1-32-C0G102-2 R Chip Multilayer Capacitor 3216,22P±5%,1000V,C0G C94,C152 2CC1-32-C0G102-1 R Chip Multilayer Capacitor 3216,10P±5%,1000V,C0G C417 2CC1-10-X7R500-1 C133,C81,C110,C115,C121,C153,C33,C51, C330, R Chip Multilayer Capacitor 1005,10nF±10%,50V,X7R C333,C55,C385,C170,C171 2CC1-32-C0G102-1...
Page 42
FM540Service Manul 2CC1-32-C0G102-1 R Chip Multilayer Capacitor 3216,18P±5%,1000V,C0G C408 2CC1-32-C0G102-3 R Chip Multilayer Capacitor 3216,3P±0.25P,1000V,C0G Chip: Temperature DSA221SJ,12.2880MHz,±1.5 5OD1-12R28-ACL-2 Compensated Crystal PPm,-40 +85 Oscillator(TCXO) ,2.5*2.0*0.8mm C3,C12,C20,C54,C68,C71,C76,C87,C116,C119,C 136, C148,C151,C157,C160,C169,C174,C178, 2CC1-10-X7R500-4 C182,C207,C212,C215,C218,C221,C222, R Chip Multilayer Capacitor 1005,470P±10%,50V,X7R C274,C283,C332,C339,C340, C342,C343,C347,C392,C395,C348,C9,C158,C23 6,C240,C242,C244,C263, C420,C421 2CC1-16-X7R500-1 C64,C67,C78,C79,C84,C85,C86, R Chip Multilayer Capacitor 1608,1000P±10%,50V,X7R...
Page 44
FM540Service Manul 2CC1-10-X7R250-2 R Chip Multilayer Capacitor 1005,22nF±10%,25V,X7R C239,C238 2CC1-10-X7R100-3 R Chip Multilayer Capacitor 1005,39nF±10%,10V,X7R C250,C251 2CC1-10-X7R250-1 R Chip Multilayer Capacitor 1005,12nF±10%,25V,X7R C292,C388 2CC1-10-C0G500-8 Chip Multilayer Capacitor 1005,8P±0.25P,50V,C0G C192,C165 2CC1-10-C0G500-2 R Chip Multilayer Capacitor 1005,27P±5%,50V,C0G C194,C197,C198 2CC1-10-C0G500-3 R Chip Multilayer Capacitor 1005,3.5P±0.25P,50V,C0G C180 2CC1-10-C0G500-2...
Page 45
FM540Service Manul 2CC1-10-X7R160-4 R Chip Multilayer Capacitor 1005,47nF±10%,16V,X7R C287 1608,0Ω 2RS1-16-000O R Chip Resistance C30,C75,C31,C176,L52,L62,R12,L13 2CC1-10-C0G500-3 R Chip Multilayer Capacitor 1005,36P±5%,50V,C0G C205 2CC1-10-C0G500-3 R Chip Multilayer Capacitor 1005,39P±5%,50V,C0G C225,C229 2CC1-10-X7R500-1 R Chip Multilayer Capacitor 1005,15nF±10%,50V,X7R C389,C387 2CC1-10-X7R500-1 Chip Multilayer Capacitor 1005,18nF±10%,50V,X7R C390,C391 2CC1-10-C0G500-1...
Page 46
FM540Service Manul Dual 1DS1-DAN222 R Chip switching diode Diode:DAN222(TL),SOT23(R D20,D21 OHM) 1DZ1-HZU5ALL R chip voltage-regulator diode HZU5ALL,2012,5V 1DZ1-02DZ18-X R chip voltage-regulator diode Vmin=16.80V,Vmax=17.76V 1IS1-XC6204B502 Voltage Regulator Integrated R chip Voltage Regulator IC IC11 5V,SOT-23-5 D1,D4,D5,D6,D14,D16,D17,D18 1DV1-1SV305 R chipVariode 1SV305 D27,D28,D29,D30 1DV1-1SV278 R chipVariode 1SV278(T1)
Page 47
FM540Service Manul 2CE1-VS250-470M R chip aluminum electrolytic 6.3×5.3,47μF±20%,25V C66,C373,C341 0605 capacitor 3216,4.7μF±20%,16V,TS 2CT1-TS32-160-4R R chip tantalum capacitor Series(A Leve) 2CC1-20-Y5V160-1 2012,10uF+80%/-20%,16V,Y Chip Multilayer Capacitor C452,C453,C454,C456,C457,C458,C455 2CC1-20-Y5V100-3 2012,330nF+80%/-20%,10V, R Chip Multilayer Capacitor C181 2CC1-20-X7R6R3-4 2012,4.7uF±10%,6.3V,X7R( R Chip Multilayer Capacitor C154,C237,C241,C257,C258 GRM219R6J475KE19D) 3FW1-1206L150PR R chip fuse 1206L150PR,1206,1.5A/6V...
Page 48
FM540Service Manul 2520,0.47μH±10%,Ceramics 2LW1-25UC-471K R Chip Wire-wound Inductance Chip(FLM2520-R47K) 2520,820nH±10%,Ceramic 2LW1-25UC-821K R Chip Wire-wound Inductance Chip(FLM2520-R82K) 1608,56nH±5%,Ceramic 2LW1-16UC-560J R Chip Wire-wound Inductance Chip(C1608CB-56NJ) L1,L4,L23,L24,L32,L33,L39, 1608,BLM11A601S/BLM18A 5FE1-BLM11A601S R EMIsuppression filter L59,L60,L61,L63,L65,L69,L76,L78,L67,L71,L73,L8 G601S(0138-05) 0,L81,L203 2RS1-20-470J R Chip Resistance 2012,47Ω±5% 2012,22Ω±5% 2RS1-20-220J R Chip Resistance 2012,BLM21P300S/BLM21P 5FE1-BLM21P300S R chip EMIsuppression filter...
Page 49
R Chip Wire-wound Inductance Chip(C2012C-56NJ) 2012,0Ω 2RS1-20-000O R Chip Resistance 2012,47nH±2%, Ceramic 2LW1-20UC-470GA R Chip Wire-wound Inductance Chip(C2012C-47NG) 5FE1-BLM11A221S 1608,BLM11A221SPT/BLM1 R chip EMIsuppression filter FB7,FB8,FB9 8AG221S(0138-05) 5FE1-BLM18EG221 Chip EMIsuppression filter BLM18EG221SN1,0603 FB16,FB17 CPU,M16C-M3062LFGPGP,f 1IP1-0FM540-R01 FM540 programming IC IC19 reelead Page 46 of 99...
Page 50
FM540Service Manul Need upgradeCPU, 1IP1-M16CM3062L E R chip CPU M16C-M3062LFGPGP,FLAS FGPGP 9FSO-FM540R114 FM540 MCU software FM540_R114 25Q32BVSSIG,8PIN,SOIC ,l 1IM1-25X32VSIG Chip Sliced Memeory IC eadfree Chip switching 1DS1-L8104 diode(replacable by L8104,Litec,leadfree D3,D11,D36,D37 1DS1-L709CE 1IS1-MB15E03SL E R chipPLL IC MB15E03SL,TSSOP-16 1TF1-3SK318 R chipDual-Gate MOSFET...
Page 51
FM540Service Manul 1TT1-2SC5108-Y R chip triode 2SC5108-Y(MC),NPN Q1,Q2,Q20,Q11 R chip triode replacable by 1TT1-2SC3357 2SC3357(RE),SOT89(NEC) 1TT1-2SC4988 1TT1-2SC4617-R R chip triode 2SC4617-R(BR),EMT3 Q14,Q51,Q52,Q21 1TT1-KTA1298-Y R chip triode KTA1298-Y,SOT23 Q38,Q40 chip triodereplacable by 1TT1-2SA1834 2SA1834(-20V, -10A) 1TT1-2SA1641-S 1IS1-PST9124NR R chipresetIC ResetIC,PST9124NR IC202 2RS1-10-222J R Chip Resistance 1005,2.2K±5%...
Page 52
FM540Service Manul 1005,560Ω±5% 2RS1-10-561J R Chip Resistance 2RS1-10-272J R Chip Resistance 1005,2.7K±5% R17,R214 R324,R65 2RS1-10-104J R Chip Resistance 1005,100K±5% R60,R67,R80,R40,R59,R52,R53,R203,R360 C319,R38,C43 C29,R172,R164,R174,R72,R145,R66 R320,R84,R85,R86,R301,C134,C135,R182,R188, 1005,0Ω 2RS1-10-000O R Chip Resistance R206,R230,R253,R266,R269, R322,R323,C246,C248,R161,R150,C249,R153,C 253,R155,C52,C53,R27 2RS1-10-823J R Chip Resistance 1005,82K±5% R75 C451 2RS1-10-182J R Chip Resistance 1005,1.8K±5% 1005,680Ω±5% 2RS1-10-681J...
Page 53
FM540Service Manul 2RS1-10-274J R Chip Resistance 1005,270K±5% R36,R42,R302,R316,R318 2RS1-10-273J R Chip Resistance 1005,27K±5% R118,R64 1005,68Ω±5% 2RS1-10-680J R Chip Resistance 2RS1-16-103J R Chip Resistance 1608,10K±5% 1005,100Ω±5% 2RS1-10-101J R Chip Resistance R121,R26 2RS1-10-563J R Chip Resistance 1005,56K±5% R125,R97,R160 R162,R127,R129,R141,R105,R123,R89,R126, 2RS1-10-473J R Chip Resistance 1005,47K±5% R321,R363,R364,R365,R370,R371,R372 2RS1-10-105J...
Page 54
FM540Service Manul 2RS1-10-682J R Chip Resistance 1005,6.8K±5% R113,R94,R95,R314,R114 2RS1-10-392J R Chip Resistance 1005,3.9K±5% R152,R178 2RS1-10-332J R Chip Resistance 1005,3.3K±5% R142,R197,R124,R146,R183 1608,10Ω±5% 2RS1-16-100J R Chip Resistance R8,R30 1608,560Ω±5% 2RS1-16-561J R Chip Resistance R23,R22 2RS1-10-334J R Chip Resistance 1005,330K±5% R108,R134,R339 2RS1-10-153J R Chip Resistance 1005,15K±5% R56,R366 1005,470Ω±5%...
Page 55
FM540Service Manul 2RS1-10-393J R Chip Resistance 1005,39K±5% R143,R631 2RS1-10-224J R Chip Resistance 1005,220K±5% R310 2RS1-10-564J R Chip Resistance 1005,560K±5% R99,R73 1608,680Ω±5% 2RS1-16-681J R Chip Resistance 2RS1-10-394J R Chip Resistance 1005,390K±5% R308 2RS1-10-562J R Chip Resistance 1005,5.6K±5% R361,R175 2RS1-10-512J R Chip Resistance 1005,5.1K±5% R179,R200,R219 2RS1-10-822J...
Page 56
Chip Temperature 12.8MHz±1.5ppm,Vcont=1.5 5OT1-12R8-ACL4-0 Compensated Crystal V±1.0V Range:±20ppm,-40 Oscillator Frequency 1IS1-UPB1509GV R chip Specialized IC IC12 Detector:UPB1509GV,SSOP CODEC Chip FP520 FM540 WM8758CB, 32-Pin QPN 1IS1-WM8758B Specialized Material Package5*5*0.9MM,leadfree 1IS1-XC6204B332 Voltage Regulator Integrated Chip Voltage RegulatorIC IC8, 3.3V,SOT-23-5,150mA Power Supply 1IS1-XC6228D122V...
Chip Wire-wound Inductance Core,(HWI0805UC27NG) 2CC1-10-C0G500-3 Chip Multilayer Capacitor 1005,3P±0.1P,50V,C0G C106 Appendix 3 Material Specification(Electronical Parts 400-470) Material No. Material Name Specification Quantity Note FM540-02 Main 400-470MHZ,6.25KHZ Machine FM540-02 DPMR Digital Mobile FM540-02 Mobile 6SS2-4090-BMB Radio,400-470MHz,25W Radio Page 55 of 99...
Page 59
E R Plug In Three Terminal Voltage 1IS3-L7808CV VotageRegulator IC Regulator:L7808CV(8V),TO220 E R Audio Amplifier 1IS3-TDA1519C TDA1519C,SIL9,Plug In Socket,PHType,Spacing2mm,2 3CL3-PH-20002 R Stripe Connector cores/WCPW20-02 FM540-02 Mobile FM540-02Moile Radio Mainboard chip 6SS1-4090-BMB Radio Mainboard chip kits Kits Page 56 of 99...
Page 60
FM540Service Manul FM540-02 Mobile FM540-02 Mobile Radio chip 0SS1-4090-BMC Radio Mainboard Material,400-470MHz. Chip Material FM540-02U Band 20150602.PCB FM540-02 Mobile 6PM7-4090-BMB SIZE:93.5X141mm 1.6MM 4 Layers FM540-01v Radio PCB FR-4 leadfree 5FE1-BLM41P600S EMI,FILTER, chipEMIsuppression L25,L26 SMT,BLM41P600SPT,1206,leadfree filter 1IS1-GT3136 E chip Specialized IC GT3136,SSOP16 Wire Diameter:φ0.9,Inner...
Page 61
FM540Service Manul 2CC1-10-X5R6R3-1 R Chip Multilayer 1005,1uF±10%,6.3V,X5R C296,C449,C450,C56,C120,C254,C123 Capacitor 2CC1-10-C0G500-1 R Chip Multilayer 1005,10P±0.5P,50V,C0G C80,C7,C138,C139,C62,C63,C53,C197 Capacitor 2CC1-10-Y5V160-1 Chip Multilayer 1005,1uF+80%/-20%,16V,Y5V C11,C386 Capacitor 2CC1-10-C0G500-1 R Chip Multilayer 1005,12P±5%,50V,C0G C194,C198 Capacitor 2CC1-10-C0G500-1 R Chip Multilayer 1005,13P±5%,50V,C0G Capacitor 2CC1-10-C0G500-1 R Chip Multilayer 1005,18P±5%,50V,C0G C732 Capacitor 2CC1-10-X7R500-1...
Page 62
FM540Service Manul 2CC1-32-C0G102-4 R Chip Multilayer 3216,4P±0.25P,1000V,C0G Capacitor 2CC1-10-X7R500-1 R Chip Multilayer C133,C121,C153,C33,C330, 1005,10nF±10%,50V,X7R Capacitor C333,C385,C170,C171,C102,C82,C98 2CC1-32-C0G102-1 R Chip Multilayer 3216,1000P±5%,1000V,C0G Capacitor 2CC1-32-C0G102-5 R Chip Multilayer 3216,5P±5%,1000V,C0G C128 Capacitor 2CC1-32-C0G102-7 R Chip Multilayer 3216,7P±0.25P,1000V,C0G C407,C45 Capacitor 2CC1-32-C0G102-3 R Chip Multilayer 3216,3P±0.25P,1000V,C0G C419,C15 Capacitor...
Page 63
FM540Service Manul C60,C61,C21,C167,C188,C189,C196,C206,C214, 2CC1-10-X7R500-1 R Chip Multilayer 1005,1000P±10%,50V,X7R C220,C223,C230,C231,C49,C89,C57,C370,C58,C Capacitor 59,C427,C428,C122,C39,C191 2CC1-10-C0G500-1 R Chip Multilayer 1005,1P±0.25P,50V,C0G C69,C70,C177 Capacitor 2CC1-16-C0G500-2 R Chip Multilayer 1608,2P±0.25P,50V,C0G Capacitor 2CC1-16-C0G500-1 R Chip Multilayer 1608,10P±0.5P,50V,C0G C107,C124,C22 Capacitor 2CC1-10-C0G500- R Chip Multilayer 1005,0.5P±0.1P,50V,C0G C409,C406,C398,C4 R50B Capacitor 2CC1-10-X7R250-1 Chip Multilayer 1005,10nF±10%,25V,X7R C145...
Chip Wire-wound 1608,27nH±2%,Ceramic Core 2LW1-16UC-270G Inductance (C1608CB-27NG) Appendix 4 Material Specification (Stucture) Material No. Material Name Specification Unit Quantity FM540 Main Unit Assembling 0SS3-4092-HMA Module 1317 Material SL16-50KF-03 Copper Plating,Plug And Unplug 3CR7-S1943-B R Antenna Head Force :1-2.5KGF,leadfree Square Copper Core...
Page 78
Material :ABS,Black,leadfree 3FG7-6030-313010 R Fuse Glass Type,φ6*30mm,32V,10A 7MBP-7038-03A-W R Power Cable Latch Material:ABS,Black,leadfree 7MBR-4090-01A-W FM540 Silcon Gel Button Material:SilconGel,Transparent,leadfree 7MHR-1939-04A-W R Panel Up Sealed Slice Material:Flocking,Single Sided With Odhesive,black,leadfree 7MHR-1939-04A-W R Panel Down Sealed Slice Material:Flocking,Single Sided With Odhesive,black,lleadfree 7MHR-1939-04A-W...
Page 79
FM540 LCD Module Black and white screen ZYWF151,leadfree 7GCM-603810-01A- R Shock Protective Sponge Black Soft Sponge,60*38*10 Cushion 7MBP-4090-08A-W FM540 Functional Key P1 Mold Trasparent Cold Grey Oil Printed Laser Carving leadfree 7MBP-4090-09A-W FM540 Functional KeyP2 Transparent Cold Grey, Oil Printed Laser Carving,leadfree...
Page 81
FM540Service Manul FM540 Key Board Assembly 6SS2-4092-HKA Suit Φ3mm,Two Color(Red and Green),GHZRG603D2-2C(Con-Positive) 4PE3-3R0-Y25-A R Plug In Lighting Diode 3CT3-PCB-8HKB R Plug In Hand Mic Socket RJ45 8P Full Plastic,leadfree 2RW3-R09542NO-F Potentiometer R Volume R09542NO-FB12.5A07-A103-015 B12.5 Page 78 of 99...
Need help?
Do you have a question about the FM540 and is the answer not in the manual?
Questions and answers