HYT TM-610 Service Manual
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HYT TM-610 Service Manual

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  • Page 2: Table Of Contents

    General ..........................2 Radio Overview........................3 Software Specifications.....................7 Circuit Description......................10 Semiconductor Data ......................14 TM-610 Parts List 1 ......................19 Tuning Description ......................58 Terminal Function ......................71 Troubleshooting Flow Chart ................... 75 Disassembly and Assembly for Repair ................79 Exploded View........................82 TM-610 Parts List 2 ......................

  • Page 3: General

    This equipment should be serviced by qualified technicians only. Do not modify the radio for any reason. Use only HYT supplied or approved antenna. Install the mobile antenna at least 82cm (32 inches) away from your body, in accordance with the requirements of the antenna manufacturer/supplier.

  • Page 4: Radio Overview

    TM-610 Service Manual Radio Overview Front Panel View ① Volume Control Knob Rotate the knob clockwise to increase the volume and counter-clockwise to decrease the volume. ② LCD Please refer to section LCD Display. ③ Programmable Function Keys ▲ / ▼...

  • Page 5: Led Indicator

    Used to connect an external speaker with a 3.5 mm plug. Refer to Test Cable for Speaker Output in Tuning Description for details. ③ Power Inlet Use HYT-authorized DC power cord to inlet 13.6 V DC power. ④ Antenna Connector Used to connect an external antenna.
  • Page 6 TM-610 Service Manual Indicator Description Display zone / channel number. Display channel label Display DTMF digit Display channel Frequency Display menu, setting items, etc. Display when the transmitting power is low. The icon appears if any of the following conditions occurs: 1.

  • Page 7: Programmable Function Keys

    TM-610 Service Manual Programmable Function Keys [P1]-[P4], [▲ ]/ [▼ ] can be programmed with the following auxiliary functions: None CH Up CH Down Zone Up Zone Down Monitor/ Cancel Call Cancel Call Display Channel Alias Display Freqency 10. Display Mode Switch 11.

  • Page 8: Software Specifications

    TM-610 Service Manual Software Specifications Radio Modes Frame of Radio Modes Keypad Entry for Mode Startup MODE Main Menu Display/Sub Menu Operation Remarks USER Conventional Turn on the radio to enter ---------------------------- MODE Mode Conventional Mode Press and hold [P1] to turn the...
  • Page 9 TM-610 Service Manual Error Information and Measures in User Mode The radio self-checks when power on. If no error is detected, the radio enters conventional mode. While the radio will sound alert once any error is checked. Error information and measures:...
  • Page 10 TM-610 Service Manual Select the item with [Up]/[Down] keys. Press [P4] to enter the selected sub-item. Press [P4] to enter the sub-item and tune the data with [Up]/[Down] keys. Then press [P4] to save the data and enter the next sub-item. Press [P1] to go back to the previous item without saving the data.

  • Page 11: Circuit Description

    TM-610 Service Manual CTCSS None None None CTS67.0HZ D023 CTS67.0HZ DI423 None CDCSS None None None CTS67.0HZ D023 CTS67.0HZ DI423 None CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7 CH 8 NAME Wide Wide...
  • Page 12 TM-610 Service Manual second local oscillator signal (50.4MHz) to become a 450KHz second IF signal. The second IF signal is then fed through a ceramic filter (N: CF202; W: CF203) to eliminate unwanted signals. The resulting signal then is detected by IC102 and output from Pin 9 as audio signals.
  • Page 13 TM-610 Service Manual 4. PLL Circuit The frequencies of receiving the first local oscillator signal and transmitting signal are generated by the PLL circuit. The PLL circuit consists of Tx frequency oscillator (Q701), Rx frequency oscillator (Q702), buffer amplifier (Q703), RF amplifier (Q102), PLL IC (IC801), LPF and Tx/Rx VCO control switch (Q704, Q706).
  • Page 14 TM-610 Service Manual 5.2 Power Supply +B supplies power for the radio. D135 and D137 are over-voltage protection diodes. Power-on/off can be controlled via the software. Figure 5 Power Supply Circuit Vout provides power for IC601, IC602 and IC803, which produces 8V, 5V, 3.3V voltage for the circuit.

  • Page 15: Semiconductor Data

    TM-610 Service Manual Semiconductor Data Positive Voltage Regulator: TA7805F (POWER unit IC602) and TA7808S (POWER unit 601). EEPROM: AT24C256N10SI2.7 (CPU unit IC501) 2.1 Pin Function Pin No. Name Function 1～3 A0～A2 Address input Serial data Serial clock input TEST Test +5V.
  • Page 16 TM-610 Service Manual Pin No. Name Function PW GND Power ground 1 OUT1+ Output 1+ OUT1- Output 1－ Supply voltage Input 1 Operation switch STAND-BY Operation switch PW GND Power ground 2 PW GND Power ground 3 SGND Signal ground...
  • Page 17 TM-610 Service Manual Amplifier: TA75W558FU (AFPr unit IC404), TC75W51FU (AFPr unit IC402, AFPr unit IC405, AFPr unit IC403), TA75S01F (RF unit IC1037), TA75W01FU (RF unit IC404). IF Detector: TA31136FN (RF unit IC102). Dual D-type trigger: TC4013BF (AFPwr unit IC512). RF PLL Frequency Synthesizer: MB15A02 (PLL unit IC801).
  • Page 18 TM-610 Service Manual AUX2 AUX2— — optional circuit board port 2 (input) Pull Up Not used (left open) HOLD Not used (left open)(for recording) Not used (left open) Not used (left open) External expansion, read(Not used) Not used (left open)
  • Page 19 TM-610 Service Manual TYPE TM-610/TM-610 Selection input,H: TM-610; L: TM-610 Left open P4 input,ON: L (external pull-up resistor) P3 input,ON: L (external pull-up resistor) P2 input,ON: L (external pull-up resistor) P1 input,ON: L (external pull-up resistor) Not used (left open)

  • Page 20: Tm-610 Parts List 1

    TM-610 Service Manual TM-610 Parts List 1 Tx-Rx Unit (UHF) Material No. Description Qty. Ref. No. Print No. Remarks 3001050000000 Chip resistor 0402 0Ω J 1/16W C404 3001050000000 Chip resistor 0402 0Ω J 1/16W R106 3001050000000 Chip resistor 0402 0Ω J 1/16W R110 3001050000000 Chip resistor 0402 0Ω...
  • Page 21 TM-610 Service Manual 3001051020010 Chip resistor 0402 1KΩ J 1/16 R505 3001051020010 Chip resistor 0402 1KΩ J 1/16 R506 3001051020010 Chip resistor 0402 1KΩ J 1/16 R609 3001051020010 Chip resistor 0402 1KΩ J 1/16 R610 3001051020010 Chip resistor 0402 1KΩ J 1/16 R612 3001051020010 Chip resistor 0402 1KΩ...
  • Page 22 TM-610 Service Manual 3001051050020 Chip resistor 0402 1MΩ J 1/16 R118 3001051050020 Chip resistor 0402 1MΩ J 1/16 R119 3001051050020 Chip resistor 0402 1MΩ J 1/16 R120 3001051050020 Chip resistor 0402 1MΩ J 1/16 R130 3001051050020 Chip resistor 0402 1MΩ J 1/16 R131 3001051050020 Chip resistor 0402 1MΩ...
  • Page 23 TM-610 Service Manual 131 3001052230010 Chip resistor 0402 22KΩ J 1/1 R829 132 3001052230010 Chip resistor 0402 22KΩ J 1/1 R440 U1:400-470MHz 133 3001051830000 Chip resistor 0402 18KΩ J 1/1 U2:450-500MHz 134 3001052240000 Chip resistor 0402 220KΩ J 1/ R105 135 3001052240000 Chip resistor 0402 220KΩ...
  • Page 24 TM-610 Service Manual 176 3001054730000 Chip resistor 0402 47KΩ J 1/1 R572 177 3001055130010 Chip resistor 0402 51KΩ J 1/1 R420 178 3001055630000 Chip resistor 0402 56KΩ J 1/1 R429 179 3001055630000 Chip resistor 0402 56KΩ J 1/1 R430 180 3001056820000 Chip resistor 0402 6.8KΩ J 1/ R417 181 3001056830000 Chip resistor 0402 68KΩ...
  • Page 25 TM-610 Service Manual 221 3001061030010 Chip resistor 0603 10KΩ J 1/1 R558 222 3001061030010 Chip resistor 0603 10KΩ J 1/1 R810 223 3001061030010 Chip resistor 0603 10KΩ J 1/1 R814 224 3001061040010 Chip resistor 0603 100KΩ J 1/ R122 225 3001061040010 Chip resistor 0603 100KΩ J 1/ R133 226 3001061040010 Chip resistor 0603 100KΩ...
  • Page 26 TM-610 Service Manual 266 3001075690000 Chip resistor 0805 5.6Ω J 1/8 R195 267 3001078210000 Chip resistor 0805 820Ω J 1/8 R194 268 3001078210000 Chip resistor 0805 820Ω J 1/8 R196 269 3001161210000 Chip resistor 2010 120Ω J 1/2 R201 270 3001162200000 Chip resistor 2010 22Ω J 1/2W R193 271 3001164720000 Chip resistor 2010 4.7KΩ...
  • Page 27 TM-610 Service Manual 311 3101051030020 Chip capacitor 0402 0.01UF K 2 C163 312 3101051030020 Chip capacitor 0402 0.01UF K 2 C239 313 3101051030020 Chip capacitor 0402 0.01UF K 2 C240 314 3101051030020 Chip capacitor 0402 0.01UF K 2 C243 315 3101051030020 Chip capacitor 0402 0.01UF K 2 C401 316 3101051030020 Chip capacitor 0402 0.01UF K 2...
  • Page 28 TM-610 Service Manual 356 3101051050000 Chip capacitor 0402 1UF K 6.3V C450 357 3101051050000 Chip capacitor 0402 1UF K 6.3V C467 358 3101051050000 Chip capacitor 0402 1UF K 6.3V C468 359 3101051230000 Chip capacitor 0402 0.012UF K C454 360 3101051500020 Chip capacitor 0402 15PF J 50V C501 361 3101051510000 Chip capacitor 0402 150PF(±5%)
  • Page 29 TM-610 Service Manual 401 3101054710010 Chip capacitor 0402 470PF K 50 C821 402 3101054710010 Chip capacitor 0402 470PF K 50 C822 403 3101054720000 Chip capacitor 0402 4700PF K 5 C402 404 3101054740000 Chip capacitor 0402 0.47UF Z 6 C420 405 3101054740000 Chip capacitor 0402 0.47UF Z 6 C422 406 3101054740000 Chip capacitor 0402 0.47UF Z 6...
  • Page 30 TM-610 Service Manual 446 3101061030010 Chip capacitor 0603 0.01UF K 2 C227 447 3101061030010 Chip capacitor 0603 0.01UF K 2 C228 448 3101061030010 Chip capacitor 0603 0.01UF K 2 C242 449 3101061030010 Chip capacitor 0603 0.01UF K 2 C606 450 3101061040010 Chip capacitor 0603 0.1UF K 16 C135 451 3101061040010 Chip capacitor 0603 0.1UF K 16...
  • Page 31 TM-610 Service Manual 491 3101064710000 Chip capacitor 0603 470PF K 50 C223 492 3101064710000 Chip capacitor 0603 470PF K 50 C226 493 3101064710000 Chip capacitor 0603 470PF K 50 C232 494 3101064710000 Chip capacitor 0603 470PF K 50 C244 495 3101064710000 Chip capacitor 0603 470PF K 50...
  • Page 32 TM-610 Service Manual 534 3104084750030 Tantalum capacitor 1206 4.7UF K 16V C524 535 3104084750030 Tantalum capacitor 1206 4.7UF K 16V C601 536 3104086850000 Tantalum capacitor 1206 6.8UF±20% 1 C181 537 3210306180000 Multi-layer chip inductor 0603 18nH L123 538 3210306180000 Multi-layer chip inductor 0603 18nH...
  • Page 33 TM-610 Service Manual 579 3303030100010 Switching diode DAN222(TL) D113 580 3303030100010 Switching diode DAN222(TL) D114 581 3303210100000 Switching diode MA4P1250 3*2mm D104 582 3303210100000 Switching diode MA4P1250 3*2mm D105 583 3399990000240 Zener diode UDZSTE(174.7B) D119 584 3401001000490 Transistor 2SA1832-GR Q802...
  • Page 34 TM-610 Service Manual 623 3701098340010 Crystal 9.8304MHz DSX530G X501 624 3701368630000 Crystal oscillator 3.6864MHz X402 625 3802499540070 Crystal filter 49.95MHz ±7.5k XF200 626 3213212331000 Multi-layer chip inductor 1008 330nH L116 627 3213212331000 Multi-layer chip inductor 1008 330nH L117 628 3213212331000 Multi-layer chip inductor 1008 330nH...
  • Page 35 TM-610 Service Manual 668 3220107829000 Filter inductor 0805 8.2nH ±0.5 U2:450-500MHz 669 3220107689000 Filter inductor 0805 6.8nH ±0.5 L110 U1:400-470MHz 670 3220107829000 Filter inductor 0805 8.2nH ±0.5 U2:450-500MHz 671 3220107689000 Filter inductor 0805 6.8nH ±0.5 L108 U1:400-470MHz 672 3220107829000 Filter inductor 0805 8.2nH ±0.5 U2:450-500MHz 673 3220107689000 Filter inductor 0805 6.8nH ±0.5...
  • Page 36 TM-610 Service Manual 709 3101061100010 Chip capacitor 0603 11PF J 50V C118 710 3101050300010 Chip capacitor 0402 3PF B 50V C182 U1:400-470MHz 711 3101050700010 Chip capacitor 0402 7PF B 50V U2:450-500MHz 712 410M600100870 TM-600U PCB FR4 1.6T 713 3101051810010 Chip capacitor 0402 180p J 50V...
  • Page 37 TM-610 Service Manual Tx-Rx Unit (VHF) Material No. Description Qty. Ref. No. Print No. 3001050000000 Chip resistor 0402 0Ω J 1/16W 1 C404 3001050000000 Chip resistor 0402 0Ω J 1/16W 1 R106 3001050000000 Chip resistor 0402 0Ω J 1/16W 1 R419 3001050000000 Chip resistor 0402 0Ω...
  • Page 38 TM-610 Service Manual 3001051010000 Chip resistor 0402 100Ω J 1/1 1 R197 3001051010000 Chip resistor 0402 100Ω J 1/1 1 R501 3001051020010 Chip resistor 0402 1KΩ J 1/16 1 R145 3001051020010 Chip resistor 0402 1KΩ J 1/16 1 R200 3001051020010 Chip resistor 0402 1KΩ...
  • Page 39 TM-610 Service Manual 3001051040010 Chip resistor 0402 100KΩ J 1/ 1 R104 3001051040010 Chip resistor 0402 100KΩ J 1/ 1 R105 3001051040010 Chip resistor 0402 100KΩ J 1/ 1 R115 3001051040010 Chip resistor 0402 100KΩ J 1/ 1 R116 3001051040010 Chip resistor 0402 100KΩ...
  • Page 40 TM-610 Service Manual 3001051840000 Chip resistor 0402 180KΩ J 1/ 1 R459 3001051840000 Chip resistor 0402 180KΩ J 1/ 1 R460 3001051840000 Chip resistor 0402 180KΩ J 1/ 1 R461 3001051840000 Chip resistor 0402 180KΩ J 1/ 1 R807 3001051840000 Chip resistor 0402 180KΩ...
  • Page 41 TM-610 Service Manual 3001053940000 Chip resistor 0402 390KΩ J 1/ 1 R463 3001054700000 Chip resistor 0402 47Ω J 1/16 1 R169 3001054700000 Chip resistor 0402 47Ω J 1/16 1 R623 3001054720000 Chip resistor 0402 4.7KΩ J 1/ 1 R160 3001054720000 Chip resistor 0402 4.7KΩ...
  • Page 42 TM-610 Service Manual 3001056830000 Chip resistor 0402 68KΩ J 1/1 1 R444 3001056830000 Chip resistor 0402 68KΩ J 1/1 1 R456 3001058220000 Chip resistor 0402 8.2KΩ J 1/ 1 R474 3001058230000 Chip resistor 0402 82KΩ J 1/1 1 R411 3001058230000 Chip resistor 0402 82KΩ...
  • Page 43 TM-610 Service Manual 3001061520000 Chip resistor 0603 1.5KΩ J 1/ 1 R817 3001061520000 Chip resistor 0603 1.5KΩ J 1/ 1 R819 3001061810000 Chip resistor 0603 180Ω J 1/1 1 R137 3001061810000 Chip resistor 0603 180Ω J 1/1 1 R143 3001061830010 Chip resistor 0603 18KΩ...
  • Page 44 TM-610 Service Manual 3001072710000 Chip resistor 0805 270Ω J 1/8 1 R194 3001072710000 Chip resistor 0805 270Ω J 1/8 1 R196 3001161210000 Chip resistor 2010 120Ω J 1/2 1 R201 3001162200000 Chip resistor 2010 22Ω J 1/2W 1 R193 3001164720000 Chip resistor 2010 4.7KΩ...
  • Page 45 TM-610 Service Manual 3101051020010 Chip capacitor 0402 1000PF K 5 1 C211 3101051020010 Chip capacitor 0402 1000PF K 5 1 C214 3101051020010 Chip capacitor 0402 1000PF K 5 1 C225 3101051020010 Chip capacitor 0402 1000PF K 5 1 C238 3101051020010...
  • Page 46 TM-610 Service Manual 3101051040010 Chip capacitor 0402 0.1UF Z 25 1 C202 3101051040010 Chip capacitor 0402 0.1UF Z 25 1 C403 3101051040010 Chip capacitor 0402 0.1UF Z 25 1 C405 3101051040010 Chip capacitor 0402 0.1UF Z 25 1 C406 3101051040010 Chip capacitor 0402 0.1UF Z 25...
  • Page 47 TM-610 Service Manual 3101051830000 Chip capacitor 0402 0.018UF K 1 C409 3101051830000 Chip capacitor 0402 0.018UF K 1 C823 3101052200010 Chip capacitor 0402 22PF J 50V 1 C427 3101052200010 Chip capacitor 0402 22PF J 50V 1 C428 3101052210010 Chip capacitor 0402 220PF K 50...
  • Page 48 TM-610 Service Manual 3101060590010 Chip capacitor 0603 0.5PF B 50 1 C112 3101060600010 Chip capacitor 0603 6PF B 50V 1 C213 3101060900010 Chip capacitor 0603 9PF B 50V 1 C118 3101060900010 Chip capacitor 0603 9PF B 50V 1 C706 3101060900010...
  • Page 49 TM-610 Service Manual 3101061020000 Chip capacitor 0603 1000PF K 5 1 C723 3101061020000 Chip capacitor 0603 1000PF K 5 1 C726 3101061020000 Chip capacitor 0603 1000PF K 5 1 C812 3101061030010 Chip capacitor 0603 0.01UF K 2 1 C143 3101061030010 Chip capacitor 0603 0.01UF K 2...
  • Page 50 TM-610 Service Manual 3101062240000 Chip capacitor 0603 0.22UF K 1 1 C237 3101062240000 Chip capacitor 0603 0.22UF K 1 1 C522 3101062490000 Chip capacitor 0603 2.4PF B 50 1 C149 3101062700010 Chip capacitor 0603 27PF J 50V 1 C120 3101062700010...
  • Page 51 TM-610 Service Manual 3104071560020 Tantalum capacitor 0805 15UF M 6.3V 1 C429 3104074750030 Tantalum capacitor 0805 4.7UF M 10V 2 C142 C904 3104074750030 Tantalum capacitor 0805 4.7UF M 10V 1 C246 3104074750030 Tantalum capacitor 0805 4.7UF M 10V 1 C411 3104074750030 Tantalum capacitor 0805 4.7UF M 10V...
  • Page 52 TM-610 Service Manual 3213212272000 Multi-layer chip inductor 1008 2.7uH 1 L706 3213212272000 Multi-layer chip inductor 1008 2.7uH 1 L708 3213212272000 Multi-layer chip inductor 1008 2.7uH 1 L709 3213212330000 Multi-layer chip inductor 1008 33nH 5 1 L127 3213212331000 Multi-layer chip inductor 1008 330nH...
  • Page 53 TM-610 Service Manual 3303010500040 Switching diode 1SS355(TE17) 1 D513 3303010500040 Switching diode 1SS355(TE17) 1 D517 3303020100020 Switching diode MA2S11100L 1 D501 3303020100020 Switching diode MA2S11100L 1 D801 3303020100020 Switching diode MA2S11100L 1 D803 3303020100060 Switching diode MA3J74200L 1 D101 3303020100060...
  • Page 54 TM-610 Service Manual 3403007000000 Transistor DTA114EE(TL) 1 Q505 3403007000000 Transistor DTA114EE(TL) 1 Q514 3403007000000 Transistor DTA114EE(TL) 1 Q516 3403007000000 Transistor DTA114EE(TL) 1 Q519 3403007000000 Transistor DTA114EE(TL) 1 Q520 3403008000010 Transistor DTC114EE(TL) 1 Q402 3403008000010 Transistor DTC114EE(TL) 1 Q501 3403008000010 Transistor DTC114EE(TL)
  • Page 55 TM-610 Service Manual 3701368630000 Crystal oscillator 3.6864MHz 1 X402 3802499540070 Crystal filter 49.95MHz ± 7.5k 1 XF200 5205015000000 TM-600 15PIN Socket 1251 1 J503 5207032000000 FFC/FPC Connector 52559-327 1 J501 3610045000200 SCM M3062LFGPGP 1 IC502 3001072020000 Chip resistor 0805 2KΩ J 1/8W...
  • Page 56 TM-610 Service Manual 30 3001064720000 Chip resistor 0603 4.7KΩ J 1/ 1 R711 31 3001064720000 Chip resistor 0603 4.7KΩ J 1/ 1 R720 32 3101050200010 Chip capacitor 0402 2PF B 50V 1 C187 33 3101050200010 Chip capacitor 0402 2PF B 50V...
  • Page 57 TM-610 Service Manual 71 3210306150000 Multi-layer chip inductor 0603 15nH 1 L119 72 3210306150000 Multi-layer chip inductor 0603 15nH 1 L120 73 3210306150000 Multi-layer chip inductor 0603 15nH 1 L121 74 3210306150000 Multi-layer chip inductor 0603 15nH 1 L125 75 3210306180000 Multi-layer chip inductor 0603 18nH...
  • Page 58 3221506601000 Chip ferrite bead 0603 600Ω± 25 1 L303 3001051210000 Chip resistor 0402 120Ω J 1/1 1 R310 3307110200000 LED KPB-3025SUR 1 LED 410M6101000H0 TM-610 Front panel PCB FR4 1.2T/2L/4P H 3101051030020 Chip capacitor 0402 0.01UF K 2 1 C304...

  • Page 59: Tuning Description

    TM-610 Service Manual 4002000000180 Chip fuse 0603-FF 0.25A-32V 0467.250NR 1 FP101 4002000000180 Chip fuse 0603-FF 0.25A-32V 0467.250NR 1 FP102 Tuning Description 1. Key Functions 1.1 Front Panel View ① Volume Control Knob Rotate the knob clockwise to increase the volume and counterclockwise to decrease the volume.
  • Page 60 TM-610 Service Manual 2.2 Enter Panel Tuning Mode Press [P1] key to turn on the radio and enter tuning mode. Items of the tuning mode are shown as follows: Dealer Mode Tx high power Tx low power Max. Frequency Deviation...
  • Page 61 TM-610 Service Manual Ceter _C *** CTCSS: 67.0Hz Wideband _L *** CTCSS: 67.0Hz High CTCSS: 67.0Hz _H *** CTC.DEV_L Medium band Ceter M_C *** CTCSS: 67.0Hz Ceter N_C *** CTCSS: 67.0Hz Narrow band N_L *** CTCSS: 67.0Hz High N_H *** CTCSS: 67.0Hz...
  • Page 62 TM-610 Service Manual Center _C *** 1KHz Wideband _L *** 1KHz High 1KHz _H *** Single Tone TONE DEV Medium Center M_C *** 1KHz Deviation Center N_C *** 1KHz Narrowband N_L*** 1KHz High N_H *** 1KHz No signalling, _L ***...
  • Page 63 TM-610 Service Manual N_C *** Center No signalling N_L *** No signalling SQL 3 Narrowband High N_H *** No signalling _C *** Center No signalling Wide band _L *** No signalling _H *** High No signalling M_C *** RSSI High Power...
  • Page 64 TM-610 Service Manual [ U p ]/[D o w n ] [U p ]/[D ow n ] [P 4 ] [P 4 ] Tu ning C D C S S de viatio n C D C SS d evia tion (C enter)
  • Page 65 TM-610 Service Manual 3. Test Instrument for Alignment Instrument Method Major Specifications Standard Signal Generator Frequency VHF: 136-174 MHz; UHF: 400-470 MHz 450-500 MHz (SSG) Modulation 470-520 MHz 350-400 MHz 440-470 MHz Output power Frequency modulation and external modulation 0.1uV to 1mV above...
  • Page 66 TM-610 Service Manual 3.2 Test Cable for Microphone Input The following test cable is recommended. HOOK To AG Audio VTVM MICG 8 PIN 1:CM 5:PTT/TXD 2:HOOK/RX 6:GND D3.MIC 7:PSB 4:ME 8:MBL 4. Cautions Taken When Removing or Attaching the Shielding When handling with the shielding, do not damage the components on the Tx-Rx unit.
  • Page 67 TM-610 Service Manual Initialization It is necessary to set the frequency and initialize the radio before tuning because there is no wanted information in EEPROM when the radio is manufactured. Turn on the radio while holding down P2, and then release them to enter frequency initiliazation. Observe the display and select an item through the Up/Down arrow keys.
  • Page 68 TM-610 Service Manual Specification Measurement Tuning Item Condition Remarks Test Instrument Terminal Part Method 1.Power supply: 1. Power Supply Note: DC 13.6V The radio can only be installed in negative grounding electrical system. Reverse polarity will cause the cable fuse to get blown. Check the vehicle ground polarity before installation to avoid wasted time and effort.
  • Page 69 TM-610 Service Manual tune High/Low power. VHF high PO=5± 0.5W power, and I≤4.0A unnecessary for UHF. Check the deviation For wide band, adjust of Hi/Center/Low to: “ _C” , “ _L” , “ _H” 1. Each CH Radio CH.: 3.9± 0.1KHz(W)
  • Page 70 TM-610 Service Manual Deviation enter the item Filter: UP/DOWN band; “ M_C.” “ CDCSS_DEV" and <20HZ-300Hz keys, then 0.60KHz± 0.10KHz corresponds to medium press P4 to enter “ _C” , AF: OFF press [P4] to band; “ N_C.” , “ N_L” , “...
  • Page 71 TM-610 Service Manual Receiver Specification/ Measurement Tuning Item Condition Remarks Test Instrument Terminal Part Method UHF waveform: Set the gain value to the Manually tune maximum; the TC101 and corresponding TC102 through Enter item “ SENSITVI” ; freq. are on the Up/Down keys, 16.RF...

  • Page 72: Terminal Function

    TM-610 Service Manual Radio Enter in turn the items No need to Communication “ OPEN SQL9”(Level 9 tune software Press [P4] Test Set on), “ OPEN SQL3”(Level setting at twice to 19. SQL SSG Output: 3 on); then press [P4] to...
  • Page 73 TM-610 Service Manual MICDAT Serial data output for keypad MIC. MIC ground MIC signal output. Ground Audio input after tuning by k301 Power switch control signal output RxD2 Serial data output TxD2 Serial data input Audio output after tuning by k301 TYPE Model select(H:TM-610;...
  • Page 74 RxD2 Serial data output TxD2 Serial data input Audio input after tuning by k301 TYPE Model select (H:TM-610; L:TM-610) SW position signal output 4 SW position signal output 3 SW position signal output 2 SW position signal output 1 SLED...
  • Page 75 TM-610 Service Manual External MIC ground AF_O Receive audio output (300-3KHz, de-emphasized) (default) Modulation input of digital signal (selectable) Signal output of SPEAKER1 (default) RSSI Field detect of received signal (selectable) Signal output of SPEAKER2 (default) RF power control (selectable) AUX1 Expansion functions (AUX1 to AUX 4): 1.

  • Page 76: Troubleshooting Flow Chart

    TM-610 Service Manual Troubleshooting Flow Chart...
  • Page 77 TM-610 Service Manual...
  • Page 78 TM-610 Service Manual...
  • Page 79 TM-610 Service Manual...

  • Page 80: Disassembly And Assembly For Repair

    TM-610 Service Manual Disassembly and Assembly for Repair Disassembly 1. Turn off the radio. Disconnect the power cord and screw out the antenna connector. 2. Remove the top cover. 3． Loosen the 8 screws locking the shielding and pedestal of the aluminum chassis. Then remove the shielding, disconnect FFC and speaker cable which bind front panel PCB and main unit PCB.
  • Page 81 TM-610 Service Manual 5. Pull out the volume control knob. Screw out the copper nut from the potentiometer tuning volume. Then loosen the four screws fixing the front case and remove the front panel. 6. Use an electric iron and screwdriver to separate the antenna connector, power cord, external board and waterproof ring on this board.
  • Page 82 TM-610 Service Manual Assembly Fix the bracket (main unit) using four self-tapping screws. Tighten the four tuning screws (each with one shrapnel and one shim). Plug the connector (microphone) into the jack (microphone). If the microphone is not in use, hang it on the bracket .

  • Page 83: Exploded View

    TM-610 Service Manual Exploded View 29 28 27 26...

  • Page 84: Tm-610 Parts List 2

    TM-610 Service Manual TM-610 Parts List 2 Material No. Description Qty. 6000234100000 Top cover 7500171000000 Vibration-absorbing sponge 7102623020000 Self-tapping screw ST2.6*23mm 6300037000000 Shielding (radio unit) 7102508000100 Machine screw M2.5*8.0mm Antenna connector 6100145000000 Waterproof ring (antenna connector) 5205000000280 Speaker jack HSJ1456-010320...
  • Page 85 TM-610 Service Manual 4310020000000 Rotary switch PCB (front panel) 7400201000000 Baffle 4210100000400 32pin signal cable PCB (radio unit) 7102606020000 Self-tapping screw ST2.6*6.0mm 6100143000000 Waterproof ring (radio unit) Remarks: Parts that are not marked with material number can vary according to changes of their corresponding power...

  • Page 86: Packing

    TM-610 Service Manual Packing...

  • Page 87: Tm-610 Vhf Pcb View

    TM-610 VHF PCB View (Main Board Unit) Top Layer...
  • Page 88 TM-610 VHF PCB View (Main Board Unit) Bottom Layer...

  • Page 89: Tm-610 Uhf Pcb View

    TM-610 UHF PCB View (VCO Unit)
  • Page 90 TM-610 UHF PCB View (Main Board Unit) Top Layer...
  • Page 91 TM-610 UHF PCB View (Main Board Unit) Bottom Layer...
  • Page 92 TM-610 PCB View (Display Unit) Top Layer...
  • Page 93 TM-610 PCB View (Display Unit) Bottom Layer...
  • Page 94 TM-610 UHF/VHF Block Diagram TM610 原理框图 Data Q802,Q803 PLL IC IC 801 Drive AMP Drive AMP final AMP TX/RX SW D801 D105 Q110 Q109 IC101 Q702 50ohm 50ohm D104 IC601 Protect Q512 Q801 IC802 IC104 D101 D515 Filter 16.8MHz OSC1...

  • Page 95: Tm-610 Vhf Schematic Diagram

    TM-610 VHF Schematic Diagram (AFPr Unit) TM-600V 车载台 (B 版 ) AFPr 电路 AF_O R437 220K R440 C447 R436 33k C450 R625 Voltage level is 680-685mV R480 C468 R485 R486 R434 R481 IC402 Q406 BEEP R455 2sk1824 TC75W51FU R488 0.1u...
  • Page 96 TM-610 VHF Schematic Diagram (AFPwr Unit) TM-600V 车载台 (B 版 ) AFPwr 电路 Q521 R573 2SK1824 4.7K C537 0.1u R575 R624 C531 Q511 1000P BEEP/ALT C511 R571 R572 2SK1824 Q512 D516 D515 BEEP 22ZR-10D DSM3MA1 2SA1641(S.T) 4.7K 0.1u 0.1U C532...
  • Page 97 TM-610 VHF Schematic Diagram (CPU Unit) TM-600V 车载台 (B 版 ) CPU 电路 SDATA SDATA AFDIR AFDIR RSSI RSSI Type Type AUX2 AUX2 AUX6 AUX6 AUX3 CP523 AUX3 AUX5 AUX5 AUX4 AUX4 1K*2 Apc/Sen Apc/Sen SDATA DT/2T DT/2T 2T/5T 2T/5T...
  • Page 98 TM-610 VHF Schematic Diagram (PLL Unit) TM-600V 车载台 (B 版 ) PLL 电路 IC803 XC62FP3302P L803 R808 Vout 601S L801 601S VR801 TP803 C810 C811 C830 R832 4.7u/6.3v R803 1000p C806 IC802 16.8M 2.2k 4.7u/6.3 1000p C807 R807 4.7u/6.3v L802...
  • Page 99 TM-610 VHF Schematic Diagram (Power Unit) TM-600V 车载台 (B 版 ) POWER 电路 IC602 TA7805F Vout IC601 C604 C603 TA7808S 0.01U 4.7u/10v Vout C601 4.7u/16v C602 0.1U Q601 2SB1132 Q602 DTC114EE R601 R602 C605 1000P 4.7k Q603 2SB1132 Q604 DTC114EE...
  • Page 100 TM-610 VHF Schematic Diagram (RF Unit) TM-600V 车载台 (B 版 ) RF 电路 TH101 Temp 发射电路 IC101 C236 RA30H1317M 1000p ANTENNA C106 C104 C102 R195 C218 C220 D104 L129 L104 L130 L103 L102 601S C223 C235 C232 UMX9401F C234 Q109 1000P 0.1U...
  • Page 101 TM-610 VHF Schematic Diagram (VCO Unit) TM-600V 车载台 (B 版 ) VCO 电路 D704 R704 1K R712 Q701 C726 C721 2SK508NV(K52) L710 R715 1SV282 1000P 1000P C702 C704 100N L701 D703 C723 3.3U C706 220P 220P C709 R713 R703 220K...
  • Page 102 TM-610 UHF/VHF Schematic Diagram (Display Unit) TM-610 UHF/VHF 原理图 (显示单元) TM-610 UHF/VHF 原理图 ( 显示单元 ) R341 1.2K k301 LCD301 LED306 LED307 LED308 J301 D303 C302 R306 R301 LED309 LED310 LED311 470P Q301 HSB123 DTC114EE C301 R304 LED301 470P S301...
  • Page 103 TM-610 UHF Schematic Diagram (AFPr Unit) TM-600/610 U(3 组 5 音 )ARPr 电路 AF_O R437 220K R440 C447 R436 33k C450 R625 C468 R485 0 R486 R480 R481 R434 Q406 IC402 BEEP R455 2sk1824 TC75W51FU R488 0.1u R401 R402 R403...

  • Page 104: Tm-610 Uhf Schematic Diagram

    TM-610 UHF Schematic Diagram (AFPwr Unit) TM-600/610 U (3 组 5 音 ) 车载台 AFPwr 电路 Q521 R573 2SK1824 4.7K C537 0.1u R575 R624 C531 Q511 1000P BEEP/ALT C511 R571 R572 2SK1824 Q512 D516 D515 BEEP 22ZR-10D DSM3MA1 2SA1641(S.T) 4.7K 0.1u...
  • Page 105 TM-610 UHF Schematic Diagram (CPU Unit) TM-600/610 U (3 组 5 音 )CPU 电路 SDATA SDATA AFDIR AFDIR RSSI RSSI Type Type AUX2 AUX2 AUX6 CP523 AUX6 AUX3 AUX3 AUX5 AUX5 AUX4 TXD3 1K*2 AUX4 RXD3 Apc/Sen Apc/Sen SDATA DT/2T...
  • Page 106 TM-610 UHF Schematic Diagram (PLL Unit) TM-600/610 U (3 组 5 音 )PLL 电路 IC803 XC62FP3302P L803 R808 Vout 601S L801 601S VR801 TP803 C810 C811 C831 R832 4.7u/6.3v R803 1000p C806 IC802 16.8M 2.2k R807 4.7u/6.3 1000p C807 4.7u/6.3v...
  • Page 107 TM-610 UHF Schematic Diagram (Power Unit) TM-600/610 U(3 组 5 音 )POWER 电路 IC602 TA7805F Vout IC601 C604 C603 TA7808S 0.01U 4.7u/10v Vout C601 4.7u/16v C602 0.1U Q601 2SB1132 Q602 DTC114EE R601 R602 C605 1000P 4.7k Q603 2SB1132 Q604 DTC114EE...
  • Page 108 TM-610 UHF Schematic Diagram (RF Unit) TM-600/610 U(3 组 5 音 ) R F 电路 TH101 Temp IC101 发射电路 C236 RA30H4452M 1000p ANTENNA L104 C104 C102 R195 C218 C220 L129 D104 L130 L103 L102 C223 C235 C232 601S MA4P1250 C234...
  • Page 109 TM-610 UHF Schematic Diagram (VCO Unit) TM-600/610 U(3 组 5 音 ) VCO 电路 D704 1SV282 R174 R704 33 L711 R712 C704 C202 3.6P 0.1U R715 C205 R183 C726 L710 C721 C206 C207 D703 Q701 L703 470P 470P C702 2SK508NV(K52)

  • Page 110: Specifications

    TM-610 Service Manual Specifications General VHF: 136 -174MHz Frequency Range UHF: 400-470MHz 450-500MHz 470-520MHz 350-400MHz 440-470MHz Channel Capacity Channel Spacing 25KHz/20KHz/12.5KHz Operating Voltage 13.6V± 15% Standby 0.2A Current Receive ≤2A Drain Transmit ≤8A(High Power); ≤5A(Low Power) Operating Temperature -30 ~ ℃...
  • Page 111 TM-610 Service Manual HYT endeavors to achieve the accuracy and completeness of this manual, but no warranty of accuracy or reliability is given. All the specifications and design are subject to change without prior notice due to continuous technology development. Changes which may occur after publication are highlighted by Revision History contained in Service Manual.

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