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                                                             TP620 Service Manual 

5.7. Exploded View 

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No. 

Part No. 

Part Name 

Specification   

Quantity 

7MHR-7069-04A-W0 

PT7800 major 

waterproof ring 

Silicone gel (highly-elastic), 

black, hardness 40 

degrees,pb-free 

7MHR-7069-05A-W3 

PT7800 roof 

waterproof ring 

Silicone gel, orange, hardness 

60 degrees,pb-free 

7SMF-020040M-SZYB

-N 

Machine screw 

/M2.0*4.0   

Hardened 

iron

,Φ2mm*4mm,cross flat 

nickel plated threading 

machine,Nylok Processing 

15 

7MHP-7069-02A-W0 

PT7800 top cover 

PC+ABS, black,red texture 

2008B ,pb-free 

3CR7-SMA-50JFB-4 

RF coaxial connector 

SMA-J, flange plate installation 

(558, hole distance 14mm, chip 

length:10.5mm) 

7MHR-7210-02A-W0 

PT567 top waterproof 

pad 

Silicone gel, black, hardness 60 

degrees,pb-free 

 

TP620 mainboard 

 

 

TP660 PTT board 

 

7MHS-7069-04A-W 

PT7800 PTT button 

METAL DOME, pb-free,3 D6 

square dome 

10 

7MHP-7210-04A-W0 

PT567volume knob 

 

ABS, black,pb-free,texture 

Page 15 of 61 

 

Summary of Contents for TP620

Page 1: ...TP620 Service Manual ...

Page 2: ...num Shell from the Main Board 14 5 7 Exploded View 15 6 Adjustment and Test 17 6 1 Components for Adjustment 17 6 2 Adjustment Test Method 17 6 2 1 Frequency Description 17 6 2 2 Test Tools 18 6 2 3 Tx Test and Modulation 18 6 2 4 Rx Test and Modulation 20 7 Technical Functions and Specifications 21 8 Maintenance and Test Equipment 23 9 Troubleshooting 24 Appendix 25 List 1 Material List Electroni...

Page 3: ...vertical to the ground and 2 5 cm away from your mouth Electromagnetic Interference To avoid electromagnetic interference please turn off the radio wherever there are clear warnings e g hospitals health care centers airports where radios must be turned off Explosive and Harmful Gases The radio should be turned off in areas with explosives and harmful gases e g lower deck of the hull fuel and chemi...

Page 4: ...ch 4 PTT Push To Talk 5 Side Key 1 Programmable Key 6 Side Key 2 Programmable Key 7 Top Key Programmable Key 8 Speaker Microphone Interface 2 2 LED Indicator The LED glows red The radio is transmitting The LED glows green The radio is receiving voice mail message data or activities on the channel are detected The LED flashes red Low battery Page 2 of 61 ...

Page 5: ... VCO Buffer PA Pre driver PA driver PA Final Q504 2SC3356 Q503 2SC3356 Q502 RD01 Q501 RD07 MIC AF AMP CODEC MOD_I MOD_Q U103 NJM2100 BATT APC APC U502 Tx circuit mainly includes four parts below RF Power Amplifier Circuit The carrier signal generated by VCO will be modulated and preliminarily amplified before entering Tx circuit The signal will first pass through a Π type pure resistance attenuato...

Page 6: ...to realize the transformation from current to voltage The voltage will be compared with the PAC control voltage value output from DAC U301 pin 29 at the second operational amplifier and the output deviation voltage will change the Tx power strength by controlling the grid bias voltage of power amplifier tube including drive level and end level Audio Processing The microphone converts the speech si...

Page 7: ...he second IF will be amplified limiting amplitude inside U501 and filtered by the ceramic filter CF501 450kHz before going back to U501 for demodulating and outputting the audio signal Rx Circuit Audio Section A Digital Channel Audio Access The second IF signal output from the eleventh pin of U501 is amplified by Q509 and sent to U201 for ADC sampling and being converted to digital signal after th...

Page 8: ...or filtering out the second harmonic wave and enters PLL chip for frequency division and gets frequency f2 The frequency f2 compares with f1 on phase difference in phase comparator producing continuous pulse current When the pulse current passes the loop filter it starts to accumulate RC and converts to CV voltage The CV voltage is sent to the VCO varactor directly controlling and adjusting the VC...

Page 9: ...first stays on high electric level for a while before outputting low electric level The Q402 B level thus becomes low electric level cutting off the switch tube Q401 and the power to turn off the radio 5C voltage stabilizing circuit U404 applies 5V LDO voltage stabilizer and supply 5v power for PLL circuit Meanwhile the 67th pin of U301 outputs high and low electric level to control the enable pin...

Page 10: ...ports LED and alert tone which indicates option Supports programmable selection between 12 5 kHz and 25 kHz channel spacing Battery power indication and low power alert feature 4 2 Function Parameter Settings The radios are set with default value when they are out of the factory But due to the different requirements by the users the radio may be reset with operational frequency channel parameter s...

Page 11: ...rface in Figure 4 1 will pop up Figure 4 1 Step 2 Click Next to enter the next interface for selecting software installation path Step 3 As shown in figure 4 2 the user can click Browse to select the software installation path or the default installation path Click Next to enter the installation confirmation interface Figure 4 2 Page 9 of 61 ...

Page 12: ...TP620 Service Manual Step 4 Click Next to enter the installation completion interface Figure 4 3 Step 5 Click Finish to complete the software installation Figure 4 4 Page 10 of 61 ...

Page 13: ...ewriting the correct parameter settings can solve the problem 2 Before rewriting the parameter settings reading the parameter settings out of the radio for back up is strongly recommended in case that the recovery is needed once the radio becomes faulty 5 Assemble and Disassemble Instructions This radio is sophisticated communication equipment with compact precise mechanism Please be careful durin...

Page 14: ...ownwards in the direction and use other hand to push the battery in the direction until it is removed from the radio Figure 5 2 5 2 Attaching the antenna Hold the antenna base turn the antenna clockwise into the interface on the radio top until it is fastened see figure 5 3 Figure 5 3 Page 12 of 61 ...

Page 15: ...g interface See figure 5 4 Figure 5 4 5 4 Attaching the Belt Clip Step 1 Press the belt clip and align the two screw holes with those on the back aluminum shell See figure 5 5 Step 2 Fasten the two screws Figure 5 5 5 5 Separating the Shell from the Chassis Step 1 Detach the antenna See figure5 6 and 5 7 Step 2 Remove the two knobs Page 13 of 61 ...

Page 16: ... a tool to pry up the aluminum shell and push it backwards to separate the shell from the chassis Figure 5 6 Figure 5 7 5 6 Separating the Aluminum Shell from the Main Board Step 1 Remove 11 screws See figure 5 8 Step 2 Use an electrical soldering iron to solder off the antenna and remove the main board Figure 5 8 After the detachment above the maintenance and modulation can be done accordingly Pa...

Page 17: ... 3 7SMF 020040M SZYB N Machine screw M2 0 4 0 Hardened iron Φ2mm 4mm cross flat nickel plated threading machine Nylok Processing 15 4 7MHP 7069 02A W0 PT7800 top cover PC ABS black red texture 2008B pb free 1 5 3CR7 SMA 50JFB 4 RF coaxial connector SMA J flange plate installation 558 hole distance 14mm chip length 10 5mm 1 6 7MHR 7210 02A W0 PT567 top waterproof pad Silicone gel black hardness 60 ...

Page 18: ...7MHR 7069 08A W0 O ring D2 4X1 0MM pb free 2 21 7MHR 7069 02C W0 PT7800 PTT button Silica gel black hardness 60 degrees 1409 modified pb free 1 22 7MHP 7210 01A W0 PT567 front shell PC ABS black pb free texture 1 23 7GCJ S7210 01 J PT567double sided adhesive speaker net Non woven cloth gum nitto57120B with 2 notches 1 24 4SS7 4005 016 100C 40 speaker 11 3 25 modified technique Φ40 impedance 16Ω 1W...

Page 19: ...t and adjust the radio s technical parameters after changing components 6 1 Components for Adjustment 1 Antenna connector converter 2 Universal connector 6 2 Adjustment Test Method 6 2 1 Frequency Description Model TP620 400 470 Channel Low frequency Intermediate low frequency Intermediate frequency Intermediate high frequency high frequency Tx frequency MHz 400 025 417 025 435 025 452 025 469 975...

Page 20: ...rated tester frequency value 4 Adjust to the nominal test power UHF 4 2 0 2W VHF 5W 0 2W 5 Adjust the frequencies by turns UHF 3 8 4 5W current less than 1 8A VHF 4 5 5 2W current less than 1 8A 8A Tx low power 1 Enter computer tuning mode 2 Enter tuning mode Tx low power 3 Adjust PC software value observe integrated tester power value 4 Adjust to nominal test power 1 0 2W 5 Adjust the frequencies...

Page 21: ...TCSS 254 1Hz 3 Adjust PC software value and observe integrated tester frequency deviation value 4 Adjust to the nominal frequency deviation 350 50Hz 5 Adjust the frequencies in turn 6 Check the frequencies in turn 200 200Hz 15mV DCS frequency deviation and wave 1 Enter computer tuning mode 2 Enter the tuning mode DCS frequency deviation 3 Adjust PC software value and observe integrated tester freq...

Page 22: ...to turn it on 120dm to turn it off Squelch level9 off 1 Enter the computer tuning mode 2 Set the channel as current test frequency 3 Enter the tuning mode SQL9 off click start and switch to the next frequency when the number is stable 4 Adjust frequency 1 3 5 7 9 one by turns Squelch level1 on 1 Enter the computer tuning mode 2 Set the channel as current test frequency 3 Enter the tuning mode SQL1...

Page 23: ...nge UHF 400 470MHz VHF 136 174MHz Channel Capacity 32 Channel Spacing 12 5kHz 25kHz Weight 270 kg with battery and antenna Measurement H W T 113mm 54mm 34mm with battery but without antenna Battery Capacity 7 4V 2000mAH lithium ion battery Working hour 5 5 90 analog 13 5 hours digital 15 hours Environment Specification Working Temperature 30 60 Storage Temperature 40 85 Waterproof and Dust proof I...

Page 24: ...kHz Spurious Response Suppression ETSI TIA603 70dB Conductive Spurious Radiation 57dBm Block TIA603C 75dB ETSI 70dB Rated Audio Power 1 5W 0 1W Rated Audio Distortion 3 typical Hum and Noise 40dB 12 5kHz 45dB 25kHz Audio Response 1dB 3dB Transmitting Specification Frequency Stability 2 5ppm Tx Power Low 1W High 4W UHF Low 1W High 5W VHF Hum and Noise 40dB 12 5kHz 45dB 25kHz Conductive Radiation Sp...

Page 25: ... 127dBm 0 1uV 47dBm 1mV Power Meter Input Impedance 50Ω Operation Frequency 100MHz 1000MHz Measurement Range About 10W Frequency Deviation Meter Frequency Range 100MHz 1000MHz Digital Voltmeter Test Range DC 10mV 10V Input Impedance The minimum circuit load high input impedance Oscilloscope 30 100MHz High Sensitivity Frequency Counter Frequency Range 100 1000MHz Frequency Stability 0 2ppm or lower...

Page 26: ...o radios differ Please select the same channel with frequency B The CTCSS CDCSS signaling of the two radios differ Please reset with your computer C Beyond the communication scope 3 Failed to receive the signal A Poor contact of the antenna Please fasten the antenna B The Tx frequency and Rx frequency differ Please select the same Tx Rx frequency again C Beyond the communication scope 4 The Rx gre...

Page 27: ... 10uH 2 0 3 3 1 2MM 1 L404 5 2LW1 33UF 1R0M 3225 1μH 20 LQH32MN 1R0M23L LQH3N1R0M04 1 L501 6 5XC1 16R8 6800CFA 1XTV16800CFA 16 8MHz 3225 VC TCXO KDS 1 X601 7 1DR1 1SR1 54 400 1SR154 400 4532 1 D402 8 1DS1 1SS3 72 1SS372 3 D101 D114 D115 9 5XC1 29R5 29491CAA 1XTW29491CAA 29 4912MHz 3225 TCXO KDS 1 X201 10 1TT1 2SA15 86 2SA1586 1 Q105 11 1TT1 2SC3 356 R24 2SC3356 R24 SOT23 NPN 6 Q503 Q504 Q507 Q509 ...

Page 28: ...LM2 1PG221SN1 2012 220Ω 4 L103 L201 L522 L525 25 1DP1 BV08 C BV08C 6 D110 D116 D117 D118 D119 D121 26 2CC1 10 C0 G500 R50C 1005 0 5P 0 25P 50V C0G 1 C609 27 2CC1 10 C0 G500 101J 1005 100P 5 50V C0G 16 C153 C154 C157 C159 C525 C529 C580 C656 C657 C658 C659 C678 C681 C108 C158 C403 28 2CC1 10 X7 R500 102K 1005 1000P 10 50V X7R 16 C105 C125 C233 C248 C256 C287 C314 C315 C410 C523 C555 C584 C639 C649 ...

Page 29: ...50 C269 C271 C279 C281 C283 C308 C337 C340 C343 C344 C352 C412 C415 C419 C445 C666 C674 C680 C683 C685 C692 C710 C712 C205 C417 C722 32 2CC1 10 C0 G500 100D 1005 10P 0 5P 50V C0G 5 C231 C635 C636 C716 C404 33 2CC1 10 C0 G500 121J 1005 120P 5 50V C0G 1 C550 34 2CC1 10 X7 R250 123K 1005 12nF 10 25V X7R 1 C124 35 2CC1 10 C0 G500 120J 1005 12P 5 50V C0G 3 C542 C574 C543 36 2CC1 10 X7 R500 153K 1005 15...

Page 30: ...0 C561 C562 C563 C566 C570 C572 C573 C578 C582 C598 C611 C612 C616 C619 C628 C629 C634 C662 C667 C669 C670 C673 C684 C693 C719 C152 C594 C707 C723 52 2CC1 10 X7 R160 473K 1005 47nF 10 16V X7R 1 C705 53 2CC1 10 C0 G500 470J 1005 47P 5 50V C0G 5 C147 C519 C643 C401 C720 54 2CC1 10 C0 G500 4R0C 1005 4P 0 25P 50V C0G 3 C514 C516 C618 55 2CC1 10 C0 G500 560J 1005 56P 5 50V C0G 1 C708 56 2CC1 10 X7 R160...

Page 31: ...2P 0 25P 50V C0G 2 C505 C506 73 2CC1 16 C0 G500 390J 1608 39P 5 50V C0G 1 C607 74 2CC1 16 C0 G500 3R0C 1608 3P 0 25P 50V C0G 1 C501 75 2CC1 16 C0 G500 470J 1608 47P 5 50V C0G 2 C586 C626 76 2CC1 16 C0 G500 4R0C 1608 4P 0 25P 50V C0G 1 C502 77 2CC1 16 C0 G500 680J 1608 68P 5 50V C0G 1 C593 78 2CC1 16 C0 G500 6R0C 1608 6P 0 25P 50V C0G 2 C504 C591 79 2CT1 TP20 100 100M 2012 10μF 20 10V TP 5 EC431 EC...

Page 32: ...FW1 4293 2 302320 429003 433003 466003 32 16 3A 32V 1 F401 95 2LL1 16 3R 3K 1608 3 3μH 10 MLF1608 A3R3K TA00 1 L601 96 2LL1 16 R4 7K 1608 0 47μH 10 MLF160 8DR47K 2 L608 L514 97 2LL1 16 R5 6K 1608 560nH 10 MLF160 8DR56K 2 L513 L607 98 5XT1 JTBM 450CX24 JTBM450CX24 1 FD501 99 1IS1 HRC50 00 HR_C5000 80Pin LQFP 1 U201 100 1DS1 HVU1 31 HVU131 P1 2012 1 D501 101 2RS1 16 00 0O 1608 0Ω 1 L520 102 2LW1 16U...

Page 33: ...2LW1 20UC 102J 2012 1μH 5 C2012C 1R 0J 1 L521 116 2LW1 20UC 221JA 2012 220nH 5 C2012C R22J 1 L527 117 2LH1 R401 R5 R02 05 φ0 40 φ1 5 2T 1 L526 118 2LH1 R401 R5 R03 05 φ0 40 φ1 5 3T 3 L502 L504 L505 119 2LH1 R401 R5 R04 05 φ0 40 φ1 5 4T 6 L503 L506 L507 L511 L512 L530 120 2LH1 R401 R5 R08 05 φ0 40 φ1 5 8T 1 L524 121 4PE1 16 F5 1608 GREEN H19 213SY GC 2 LED301 LED302 122 4PE1 16 F2 A 1608 RED 19 213...

Page 34: ...313 R321 R342 R360 R361 R419 R422 R549 R631 R632 R637 R652 136 2RS1 10 10 0J 1005 10Ω 5 7 R229 R269 R270 R528 R609 R630 R634 137 2RS1 10 12 1J 1005 120Ω 5 2 R603 R613 138 2RS1 10 12 3J 1005 12K 5 1 R143 139 2RS1 10 15 4J 1005 150K 5 5 R124 R138 R621 R261 R265 140 2RS1 10 15 3J 1005 15K 5 3 R241 R335 R605 141 2RS1 10 15 0J 1005 15Ω 5 1 R537 142 2RS1 10 18 4J 1005 180K 5 4 R126 R127 R525 R527 143 2R...

Page 35: ... 2K 5 7 R258 R341 R406 R515 R570 R540 R541 158 2RS1 10 27 2J 1005 2 7K 5 1 R156 159 2RS1 10 33 4J 1005 330K 5 2 R639 R112 160 2RS1 10 33 1J 1005 330Ω 5 2 R508 R658 161 2RS1 10 33 3J 1005 33K 5 2 R123 R552 162 2RS1 10 39 4J 1005 390K 5 1 R146 163 2RS1 10 33 2J 1005 3 3K 5 2 R142 R526 164 2RS1 10 39 2J 1005 3 9K 5 1 R617 165 2RS1 10 47 4J 1005 470K 5 3 R136 R144 R155 166 2RS1 10 47 1J 1005 470Ω 5 5 ...

Page 36: ...2K 5 2 R130 R553 180 2RS1 10 82 2J 1005 8 2K 5 2 R536 R538 181 2RS1 10 91 2J 1005 9 1K 5 1 R649 182 2RS1 32 R3 9J 3216 0 39Ω 5 3 R559 R560 R561 183 1IS1 GT313 6 GT3136 SSOP16 1 U501 184 1IS1 TC75S 51F TC75S51F SSOP5 P 0 95 1 U203 185 1IL1 TDA85 47TS TDA8547TS SSOP20 pb fr ee 1 U204 186 1IL1 NJM29 02V NJM2902V SMD 2 U101 U102 187 1TC1 UMC4 UMC4 NPN PNP 4 U104 U503 U505 U604 188 1IM1 W25Q 80DVSIG W2...

Page 37: ...0 1P 50V C0G 1 C508 201 2RS1 10 56 1J 1005 560Ω 5 1 R157 202 2RE1 10 15 03 1005 150KΩ 1 4 R562 R564 R702 R700 203 1DS1 RB70 6F 40 RB706F 40 SOT 323 1 D512 204 1IP1 STM32 F405VGT6 STM32F405VG T6 LQFP100 MCU 14 14MM 1 List 2 Material List Electronic Section 136 174MHz No Part No Specification Quantity Location 1 2RW3 RP08 110SNBX V 02 RP08110SNBX V02 0854 IP67 1 SW100 2 3SE3 RE08 140AX V01 RE08140AX...

Page 38: ...SMD 2 Q101 Q607 14 1TF1 SSM3 K15AFS SSM3K15AFS D1 1 Q104 15 5FT1 LTWC 450G LTWC450G 1 CF501 16 2LG1 VLS3 012ET 470 M VLS3012ET 470M 470uH 20 3 3 1 2MM 1 L203 17 5XC1 8R0 MML08 253 0 DSX321G 8MHZ 8MHZ 30 PPm 8PF 40 85 2 5mm 3mm 4PIN 1 X301 18 1IS1 LN825 9 DC DCIC SMD SOP8 DC2 3V1 8A 1 U401 19 1IS1 SKY72 310 SKY72310 24 pin QFN 4mmX4mm QFN N24_B4x4 P0_5 1 U601 20 3ST1 SKRT LBE010 SKRTLBE010 4 5 3 55...

Page 39: ... C312 C313 C316 C317 C318 C319 C339 C341 C345 31 2CC1 10 X7 R160 104K 1005 100nF 10 16V X7R 67 C115 C117 C130 C133 C135 C160 C225 C226 C230 C232 C235 C239 C240 C252 C264 C267 C273 C274 C285 C290 C422 C424 C427 C430 C433 C436 C439 C440 C534 C535 C536 C537 C540 C544 C546 C557 C597 C644 C646 C654 C655 C672 C675 C691 C695 C706 C713 C718 C722 C724 C143 C585 C305 C306 C307 C310 C311 C320 C338 C346 C350 ...

Page 40: ...C 1005 1 5P 0 25P 50V C0G 3 C614 C631 C804 43 2CC1 10 C0 G500 221J 1005 220P 5 50V C0G 6 C128 C241 C244 C259 C261 C525 44 2CC1 10 X7 R500 222K 1005 2200P 10 50V X7R 1 C123 45 2CC1 10 X7 R250 223K 1005 22nF 10 25V X7R 5 C107 C112 C408 C549 C556 46 2CC1 10 C0 G500 220J 1005 22P 5 50V C0G 5 C509 C510 C723 C721 C715 47 2CC1 10 X7 R500 271K 1005 270P 10 50V X7R 5 C263 C265 C266 C268 C704 48 2CC1 10 X7 ...

Page 41: ...2 62 2CC1 10 C0 G500 680J 1005 68P 5 50V C0G 1 C648 63 2CC1 10 C0 G500 6R0C 1005 6P 0 25P 50V C0G 3 C632 C802 C803 64 2CC1 10 C0 G500 7R0C 1005 7P 0 25P 50V C0G 3 C514 C539 C699 65 2CC1 10 X7 R160 822K 1005 8200P 10 16V X7R 1 C140 66 2CC1 10 C0 G500 8R0C 1005 8P 0 25P 50V C0G 3 C302 C303 C526 67 2CC1 20 X7 R500 224K 2012 220nF 10 50V X7R 2 C650 C652 68 2CC1 20 Y5 V160 106Z 2012 10uF 80 20 16V Y5V ...

Page 42: ... C0G 2 C503 C586 85 2CT1 TP20 100 100M 2012 10μF 20 10V TP 5 EC431 EC434 EC558 EC668 EC671 86 2CT1 TP20 100 1R0M 2012 1μF 20 10V TP 2 EC167 EC168 87 2CT1 TP20 100 2R2M 2012 2 2μF 20 10V TP 2 EC151 EC651 88 2CC1 20 X7 R160 475K 2012 4 7μF 10 16V X7R GRM21BR61C475KA88L 1 C664 89 2CT1 TP20 100 4R7M 2012 4 7μF 20 10V TP 1 EC103 90 2CT1 TS32 160 100M 3216 10μF 20 16V TS 1 EC403 91 2CC1 32 Y5 V100 226Z ...

Page 43: ...M 450CX24 Frequency detector 1 FD501 107 1IS1 HRC50 00 HR_C5000 80Pin LQFP 1 U201 108 1DS1 HVU1 31 HVU131 P1 2012 1 D501 109 2LW1 16UC R12J 1608 120nH 5 1 L532 110 2LL1 16 R1 0JB 1608 100nH 5 LQG11AR 10J 1 L515 111 2LW1 16UC 150J 1608 15nH 5 C1608CB 1 5NJ 1 L602 112 2LW1 16UC 180J 1608 18nH 5 C1608CB 1 8NJ 1 L633 113 2LL1 16 27 NJ 1608 27nH 5 MLG1608B 27NJ 2 L523 L536 114 2LL1 16 R3 3K 1608 0 33μH...

Page 44: ...2520 1μ H 5 FHW1008UC1R0J 1 L521 128 2LW1 25UC 222J 2520 2 2μ H 5 NL252018T 2R2J N LV25T 2R2J 1 L527 129 2LW1 20UC 270J 2012 27nH 5 C2012C 2 7NJ 5 L506 L507 L511 L512 L530 130 2LH1 R401 R5 R03 05 φ0 40 φ1 5 3T 2 L534 L526 131 2LH1 R301 R5 L05 05 φ0 30 φ1 5 5T 1 L535 132 2LH1 R401 R5 R06 05 φ0 40 φ1 5 6T 2 L502 L504 133 2LH1 R401 R5 R07 05 φ0 40 φ1 5 7T 1 L503 134 2LH1 R401 R5 R08 05 φ0 40 φ1 5 8T ...

Page 45: ...2RS1 10 10 1J 1005 100Ω 5 10 R517 R518 R554 R604 R614 R627 R629 R642 R643 R635 150 2RS1 10 10 3J 1005 10K 5 30 R115 R117 R132 R135 R150 R151 R231 R232 R233 R234 R240 R259 R262 R266 R267 R306 R311 R313 R549 R321 R342 R360 R361 R419 R422 R631 R632 R637 R638 R652 151 2RS1 10 10 0J 1005 10Ω 5 8 R229 R269 R270 R528 R609 R610 R630 R634 152 2RS1 10 12 1J 1005 120Ω 5 2 R603 R613 153 2RS1 10 15 1J 1005 150...

Page 46: ...200K 5 1 R401 167 2RS1 10 22 4J 1005 220K 5 4 R131 R147 R243 R112 168 2RS1 10 22 1J 1005 220Ω 5 1 R315 169 2RS1 10 22 3J 1005 22K 5 9 R111 R125 R148 R336 R340 R425 R539 R574 R615 170 2RS1 10 22 0J 1005 22Ω 5 3 R106 R120 R543 171 2RS1 10 27 4J 1005 270K 5 1 R145 172 2RS1 10 27 1J 1005 270Ω 5 1 R568 173 2RS1 10 27 3J 1005 27K 5 3 R524 R569 R701 174 2RS1 10 22 2J 1005 2 2K 5 5 R258 R341 R406 R515 R57...

Page 47: ...16 R548 189 2RS1 10 47 2J 1005 4 7K 5 19 R338 R339 R362 R363 R412 R505 R523 R541 R547 R575 R588 R602 R608 R612 R620 R623 R646 R658 R659 190 2RS1 10 56 4J 1005 560K 5 2 R519 R641 191 2RS1 10 56 3J 1005 56K 5 2 R511 R514 192 2RS1 10 56 0J 1005 56Ω 5 1 R636 193 2RS1 10 56 2J 1005 5 6K 5 5 R139 R140 R601 R611 R616 194 2RS1 10 68 3J 1005 68K 5 3 R137 R410 R622 195 2RS1 10 68 2J 1005 6 8K 5 2 R506 R546 ...

Page 48: ...0 4B502MR 5V SOT 23 5 4 U105 U402 U403 U404 213 6PM7 4112 HMA 8 layer FR 4 1 2 TP620 140113 108 66X 46 8mm 1 214 2CC1 10 X7 R500 331K 1005 330P 10 50V X7R 1 C108 215 1IP1 00TP6 20 R01 STM32F405VG T6 LQFP100 MCU 14 14MM 1 U301 List 3 Material List structure material No Part No Description Quantity 1 7MHP 7069 02A W0 PT7800 top cover cover die 1 2 7MHP 7210 03A W0 PT567channel knob cover die 1 1 3 7...

Page 49: ... W0 PT7800 PTT cover board cover die 1 24 7MHP 7069 06A W0 PT7800battery latch cover die 1 25 7MHF 7069 01A N PT7800 latch baffle outsourcing part DP770 780 7800 TP660 1 26 7MHP 7069 10A WC PT7800 guide beam 1 27 7MHR 7069 02C W0 PT7800PTT button 1 28 7MHR 7210 01A W3 PT567 emergency button 1 29 7MHS 1010 02A N PT3208 spring 2 30 7GCJ S7210 01 J PT567double sided adhesive speaker net 2 31 4SS7 400...

Page 50: ...TP620 Service Manual Figure 1 TP620 Main Board Top Side PCB View 400 470MHz Figure 2 TP620 Main Board Bottom Side PCB View 400 470MHz Page 48 of 61 ...

Page 51: ...TP620 Service Manual Figure 3 TP620 Main Board Top Side PCB View 136 174MHz Figure 4 TP620 Main Board Bottom Side PCB View 136 174MHz Page 49 of 61 ...

Page 52: ... R152 820R R156 2K7 C172 470P C164 470P C165 470P C166 470P C170 682 C171 682 R160 0R C135 104 1 2 3 5 4 6 7 8 9 H3 Hole 1 2 3 4 5 6 7 8 9 H5 Hole 1 2 3 4 5 6 7 8 9 H7 Hole 1 2 3 5 4 6 7 8 9 H2 Hole 1 2 3 5 4 6 7 8 9 H4 Hole 1 2 3 5 4 6 7 8 9 H6 Hole 1 2 3 5 4 6 7 8 9 H8 Hole 1 2 3 5 4 6 7 8 9 H1 Hole 1 2 3 4 5 6 7 8 9 H9 Hole 1 2 3 4 5 6 7 8 9 H11 Hole 1 2 3 4 5 6 7 8 9 H10 Hole R150 10K C132 105...

Page 53: ... C281 105 C282 103 C283 105 C284 103 C269 105 C270 103 C271 105 C272 103 C274 104 C273 104 1 2 3 4 5 SW401 VOL SWITCH R249 NC Q206 DTC144EE C256 102 C257 103 R233 10K R234 10K R235 NC C234 NC R225 1K C224 105 1 1 2 V 3 3 4 4 V 5 U203 TC75S51F R240 10K R241 15K C248 102 C250 105 R243 220K R244 100K C253 470P C252 104 R253 1K C231 10P L208 BLM18AG601S R258 2K2 C249 105 R263 0R C238 105 C290 104 C291...

Page 54: ...305 JTAG_RESET C337 105 R311 10K R340 22K R331 NC R330 NC L303 NC C328 NC C327 NC R329 NC R328 NC C325 NC R327 NC C326 NC 3 GND 2 I O 1 I O VCC 5 SW 4 U306 NC R312 47K C346 104 C320 104 1 TP304 JTAG_SWDIO C331 NC C352 105 R360 10K R361 10K C324 NC R343 NC R344 NC R345 NC C342 NC C341 103 C340 105 1 1 2 V 3 3 4 4 V 5 U305 NC R358 1K R357 1K C344 105 R346 NC C369 NC C370 NC C360 104 C361 104 R362 4K...

Page 55: ... 1SR154 400 R425 22K R420 NC R406 2K2 C428 104 Q402 DTC144EE R405 47K D403 MA2S111 D404 MA2S111 R418 100K C422 103 R408 47K R419 10K Q401 FMMT717 1 VIN 2 VSS 3 CE OUT 5 NC 4 U403 XC6204B502MR 1 VIN 2 VSS 3 CE OUT 5 NC 4 U402 XC6204B502MR C439 103 C440 103 C442 470P 2 1 F401 3AFUSE C409 22uF 10V EC431 10uF 10V EC434 10uF 10V FB 3 SW 6 BS 1 5 IN 4 EN 2 GND U401 LN8259 D405 XBS104S13R G C425 22U 10V ...

Page 56: ...519 560K C500 NC C574 12P C529 100P R514 56K D508 HVC350B R550 47K R570 2K2 C578 470P C530 6P C596 104 R523 4K7 L511 4T R524 27K L502 3T C557 103 R515 2K2 C525 100P R516 47R 1 2 FD501 C24450 R527 330K R512 180R L526 2T C534 103 L503 4T R546 6K8 R552 33K R506 6K8 C542 12P C523 102 C536 103 R535 1K R533 1K R560 0 39R R572 NC C595 104 Q504 2SC3356 R537 15R R536 8K2 R538 8K2 R547 4K7 C569 NC L520 0R C...

Page 57: ...K C678 100P L610 BLM18AG601S R646 4K7 R652 10K C683 105 R649 9K1 C680 105 R643 100R C677 183 R641 560K R642 100R C676 104 R648 18K L616 390nH L615 390nH R602 4K7 C611 470P C610 104 R601 5K6 R604 100R R613 120R Q603 2SC3356 L623 390nH L622 390nH R612 4K7 C628 470P C627 104 R611 5K6 R614 100R C661 6P C660 6P 1 2 3 4 5 U604 UMC4N C629 470P C630 104 C675 103 L614 390nH L624 390nH R617 3K9 L601 3 3uH A...

Page 58: ...130 104 C134 105 C119 105 R152 820R R156 2K7 C172 470P C164 470P C165 470P C166 470P C170 682 C171 682 R160 0R C135 104 1 2 3 5 4 6 7 8 9 H3 Hole 1 2 3 4 5 6 7 8 9 H5 Hole 1 2 3 5 4 6 7 8 9 H7 Hole 1 2 3 4 5 6 7 8 9 H2 Hole 1 2 3 5 4 6 7 8 9 H4 Hole 1 2 3 4 5 6 7 8 9 H6 Hole 1 2 3 4 5 6 7 8 9 H8 Hole 1 2 3 5 4 6 7 8 9 H1 Hole 1 2 3 4 5 6 7 8 9 H9 Hole 1 2 3 4 5 6 7 8 9 H11 Hole 1 2 3 5 4 6 7 8 9 H...

Page 59: ...283 105 C284 103 C269 105 C270 103 C271 105 C272 103 C274 104 C273 104 1 2 3 4 5 SW401 VOL SWITCH R249 NC Q206 DTC144EE C256 102 C257 103 R233 10K R234 10K R235 NC C234 NC R225 1K C224 105 1 1 2 V 3 3 4 4 V 5 U203 TC75S51F R240 10K R241 15K C248 102 C250 105 R243 220K R244 100K C253 470P C252 104 R253 1K C231 10P L208 BLM18AG601S R258 2K2 C249 105 R263 100R C238 105 C290 104 C291 10U 10V C237 103 ...

Page 60: ...P305 JTAG_RESET C337 105 R311 10K R340 22K R331 NC R330 NC L303 NC C328 NC C327 NC R329 NC R328 NC C325 NC R327 NC C326 NC 3 GND 2 I O 1 I O VCC 5 SW 4 U306 NC R312 47K C346 104 C320 104 1 TP304 JTAG_SWDIO C331 NC C352 105 R360 10K R361 10K C324 NC R343 NC R344 NC R345 NC C342 NC C341 103 C340 105 1 1 2 V 3 3 4 4 V 5 U305 NC R358 1K R357 1K C344 105 R346 NC C369 NC C370 NC C360 104 C361 104 R362 4...

Page 61: ... C406 104 1 2 D402 1SR154 400 R425 22K R422 10K R420 NC R406 2K2 C428 104 Q402 DTC144EE R405 47K D403 MA2S111 D404 MA2S111 R418 100K C422 103 R408 47K R419 10K Q401 FMMT717 1 VIN 2 VSS 3 CE OUT 5 NC 4 U403 XC6204B502MR 1 VIN 2 VSS 3 CE OUT 5 NC 4 U402 XC6204B502MR C439 103 C440 103 C442 470P 1 2 F401 3AFUSE EC403 10uF 16V C409 22uF 10V EC431 10uF 10V EC434 10uF 10V FB 3 SW 6 BS 1 5 IN 4 EN 2 GND U...

Page 62: ...530 10P C596 104 R523 4K7 R524 27K C557 103 R515 2K2 C525 220P R516 47R 1 2 FD501 C24450 R527 180K R512 180R L526 3T C534 103 R546 6K8 R552 68K R506 6K8 C542 12P C523 102 C536 103 R535 1K R533 1K R560 0 39R R572 NC C595 104 Q504 2SC3356 R537 15R R536 8K2 R538 8K2 R547 4K7 C569 NC L520 39nH C579 10P C580 102 C581 47P R575 4K7 Q502 RD01MUS2 C711 102 R531 470R R529 750K C709 104 C712 105 1 2 3 4 5 U5...

Page 63: ... 100R C677 183 R641 560K R642 100R C676 104 R648 18K L616 390nH L615 390nH R602 4K7 C611 470P C610 104 R601 5K6 R604 100R R613 120R Q603 2SC3356 L623 390nH L622 390nH R612 4K7 C628 470P C627 104 R611 5K6 R614 100R C661 6P C660 6P 1 2 4 3 5 U604 UMC4N C629 470P C630 104 C675 103 L614 390nH L624 390nH R617 3K9 L601 3 3uH AOUT 1 A IN 2 A IN 3 5 B IN GND 4 6 B IN 7 BOUT 8 V U603 NJM2904V Q601 2SC3356 ...

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