Hytera HYT TC-500 Service Manual
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Hytera HYT TC-500 Service Manual

Hyt tc-500 series
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Contents
General.......................................................................................2
Brief Introduction..........................................................................3
Software Description....................................................................5
Circuit Description.......................................................................9
CPU Pins....................................................................................13
TC-500(U) Part List 1...................................................................15
TC-500(V) Part List 1...................................................................27
Adjustment Description................................................................39
Disassembly and Assembly........................................................43
Exploded View..........................................................................46
Part List 2..................................................................................47
Packing......................................................................................48
PC Board View............................................................................49
Block Diagram.............................................................................53
Schematic Diagram....................................................................54
Specifications...........................................................................56
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Summary of Contents for Hytera HYT TC-500

  • Page 1: Table Of Contents

    Contents General……………………………………………………………………………2 Brief Introduction………………………………………………………………..3 Software Description…………………………………………………………..5 Circuit Description……………………………………………………………..9 CPU Pins…………………………………………………………………………13 TC-500(U) Part List 1………………………………………………………….15 TC-500(V) Part List 1………………………………………………………….27 Adjustment Description……………………………………………………….39 Disassembly and Assembly………………………………………………..43 Exploded View………………………………………………………………..46 Part List 2……………………………………………………………………….47 Packing…………………………………………………………………………..48 PC Board View………………………………………………………………….49 Block Diagram…………………………………………………………………..53 Schematic Diagram…………………………………………………………..54 Specifications…………………………………………………………………56 - 1 -...

  • Page 2: General

    TC-500 Service Manual General Manual Scope This manual is intended for use by experienced technicians familiar with similar types of communication equipment. It contains all service information required for the equipment and is current as of the publication date. User Safety Information The following precautions are recommended for personnel safety: DO NOT transmit until all RF connectors are verified secure and any open connectors are properly terminated.

  • Page 3: Brief Introduction

    TC-500 Service Manual Brief Introduction Antenna LED indicator The light will glow red during transmission. The light will glow green during receiving. During transmission, the light flashes red when the battery voltage is low. 3. Channel selector knob Turn the channel selector knob to select from channels 1-16 (Channel 16 can be programmed by your dealer as scan function).
  • Page 4 TC-500 Service Manual 8. Speaker 9. External jack Remove the jack cover and insert an earphone; or insert programming cable into the jack to programme the radio via programming software. 10. Battery 11. Belt clip Used to clip radio on your belt. 12.
  • Page 5 TC-500 Service Manual Software Specification Radio Feature Description 1. Use channel selector knob to choose from 15+1(Scan) channels 2. Monitor 3. CTCSS/CDCSS Non-standard Model (Other): 38+83 groups 4. Channel Spacing 12.5KHz/25KHz Narrow/wide Optional 5. Channel Scan (Priority channel and scan revert channel available) 6.
  • Page 6 TC-500 Service Manual (1) Short out the two SELF points on PCB; (2) Turn on the power and turn the channel selector knob to the position 7; (3) Press PTT key while holding down MONI key; (4) After data reset, turn off the power, disconnect the two SELF points and restart the power to use the radio. Remarks: The old data (frequency, CTCSS/CDCSS, channel function settings) will be changed once the model is set, and part of functions will also be changed.
  • Page 7 TC-500 Service Manual Squelch level 3 CTCSS deviation (wide) CDCSS deviation (wide) CTCSS deviation (narrow) CDCSS deviation (narrow) CH13-CH16 are used to adjust transmitter and receiver. Press PTT to transmit; release to receive. CH13-CH16 are defined as follows: (13) Center frequency (difference between transmit and receive frequency is 0.1MHz) (14) Lowest frequency (difference between transmit and receive frequency is 0.1MHz) (15)
  • Page 9 TC-500 Service Manual Initial data table Model 1CH(Center) 2CH(Low) 3CH(High) 9-16CH Frequency (MHz) IF (MHz) (MHz) (MHz) (MHz) (MHz) (MHz) (MHz) (MHz) (MHz) (MHz) (MHz) (MHz) (MHz) 150.000~173.995 +21.4 162.000 162.100 150.000 150.100 173.975 173.900 162.500 162.550 162.600 162.550 162.650 136.000~149.995 +21.4 143.000...

  • Page 10: Circuit Description

    TC-500 Service Manual Circuit Description Frequency Configuration The receiver utilizes double conversion superheterodyne. The first IF is 21.4MHz and the second is 455KHz. The first local oscillator signal is supplied from PLL circuit. Frequency needed in the transmitter is supplied from PLL circuit. Figure 1 shows the frequency configuration. Frequency Range: 400 MHz—420MHz 450 MHz—470MHz 136 MHz—150MHz...
  • Page 11 TC-500 Service Manual The First Mixer The signal from RF amplifier is mixed with the first local oscillator signal from PLL frequency synthesizer in the first mixer (Q23) to generate a 21.4MHz first IF signal. The first IF signal is then fed through two monolithic crystal filters (XF1) to remove spurious signals from adjacent channels.
  • Page 12 TC-500 Service Manual Receive signaling CTCSS/CDCSS Audio frequencies over 300Hz of the output signal from IC1 is cut off by a low-pass filter. The resulting signal enters the microprocessor IC11. IC11 determines whether the CTCSS/CDCSS matches the preset value and controls the MUTE and AFCO and the speaker sound output according to the squelch results.
  • Page 13 TC-500 Service Manual Transmitter Transmit audio The audio signal from microphone is amplified through IC3, and then pre-emphasized , and then filtered by another low-pass filter（separate filter）(Q25 and Q24) to eliminate the frequencies over 3KHz. The resulting signal enters the VCO for direct FM modulation. (See figure 5) CTCSS/CDCSS Encoder The necessary frequency for CTCSS/CDCSS encoder is generated by IC11 and...

  • Page 14: Cpu Pins

    TC-500 Service Manual CPU Pins PIN No. PIN NAME DESCRIPTION CTCSS/CDCSS input BUSY Input busy signal BATT Detect battery voltage TIBI CTCSS/CDCSS exterior circuit central point input SAVE Power saving control H: OFF L: ON TXLow Transmitter power control H: Low power L: High power data output clock output...
  • Page 15 TC-500 Service Manual ENC3 Audio muting control MUTE Audio power control TONE5 CTCSS code output TONE4 CTCSS code output TONE3 CTCSS code output TONE2 CTCSS code output TONE1 CTCSS code output TONE0 CTCSS code output WNTC L: Wide H: Narrow 47-70 Power input: 5V A-D converse reference voltage...

  • Page 16: Tc-500(U) Part List 1

    TC-500 Service Manual TC-500U Part List 1 Ref. No. Address Material No. Material Description Remark 3001066840000 Resistor 0603　680KΩ　 J 3001062740010 Resistor 0603　270KΩ　J 3001062220000 Resistor 0603　2.2KΩ　J 3001064730000 Resistor 0603　47KΩ　J 3001063310010 Resistor 0603　330Ω　J 3001062220000 Resistor 0603　2.2KΩ　J 3001061040010 Resistor 0603　100KΩ　J 3001061040010 Resistor 0603　100KΩ　J 3001061040010 Resistor 0603　100KΩ　J 3001061040010...
  • Page 17 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001064730000 Resistor 0603　47KΩ　J 3001061520000 Resistor 0603　1.5KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001064710000...
  • Page 18 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark R106 3001060000000 Resistor 0603　0Ω　 J R107 3001060000000 Resistor 0603　0Ω　 J R108 3001060000000 Resistor 0603　0Ω　 J R109 3001061050010 Resistor 0603　1.0MΩ　J R110 3001060000000 Resistor 0603　0Ω　 J R111 3101064710000 Capacitor 0603　470P K 50V R112 3001061000000 Resistor 0603　10Ω　J...
  • Page 19 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark R156 3001061850000 Resistor 0603　1.8MΩ　J R157 3001065630000 Resistor 0603　56KΩ　J R158 3001063930010 Resistor 0603　39KΩ　J R159 3001063930010 Resistor 0603　39KΩ　J R160 3001067540000 Resistor 0603　750KΩ　J R161 3001061530010 Resistor 0603　15KΩ　J R162 3001061530010 Resistor 0603　15KΩ　J R163 3001061530010 Resistor 0603　15KΩ　J R164...
  • Page 20 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark R624 3001061040010 Resistor 0603　100KΩ　J R625 3001061040010 Resistor 0603　100KΩ　J R626 3001061040010 Resistor 0603　100KΩ　J R627 3001065630000 Resistor 0603　56KΩ　J R628 3001068220000 Resistor 0603　8.2KΩ　J 3104081060080 Ta-capacitor 1206 10uF 10V.M 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020...
  • Page 21 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3101053330000 Capacitor 0402　0.033uF K 16V 3101051040040 Capacitor 0402　0.1uF K 10V 3101051040040 Capacitor 0402　0.1uF K 10V 3101055620000 Capacitor 0402　5600PF K 25V 3101061040010 Capacitor 0603　0.1uF K 16V 3101061040010 Capacitor 0603　0.1uF K 16V 3101051040040 Capacitor 0402　0.1uF K 10V 3101051040040...
  • Page 22 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3101060100010 Capacitor 0603　1P B 50V 3101060200010 Capacitor 0603　2P B 50V 3101050590020 Capacitor 0402　0.5P B 50V 3101050100000 Capacitor 0402 1P C 50V 3101050600010 Capacitor 0402　6P B 50V 3101050600010 Capacitor 0402　6P B 50V 3101050600010 Capacitor 0402　6P B 50V C100...
  • Page 23 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark C147 3101051020010 Capacitor 0402　1000P K 50V C149 3101054710010 Capacitor 0402　470P K 50V C150 3101053330000 Capacitor 0402　0.033uF K 16V C151 3101053330000 Capacitor 0402　0.033uF K 16V C152 3101053330000 Capacitor 0402　0.033uF K 16V C153 3101053330000 Capacitor 0402　0.033uF K 16V...
  • Page 24 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark C203 3104201070000 Ta-capacitor 2220 100uF 6.3V.M C204 3101054710010 Capacitor 0402　470P K 50V C207 3101054710010 Capacitor 0402　470P K 50V C208 3101054710010 Capacitor 0402　470P K 50V C231 3101054710010 Capacitor 0402　470P K 50V C232 3101054720000 Capacitor 0402　4700P K 50V...
  • Page 25 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3503010000019 FET　2SJ243-T1 3499000000159 Transisitor　UMC4(NTR) 3503020000109 FET　2SK508NV(K52) 3403007000029 Transisitor　DTA114YE(TL) 3403007000009 Transisitor　DTA114EE(TL) 3403008000079 Transisitor　DTC144EE(TL) 3401002000099 Transisitor　2SC5108-Y(TE85L) 3401002000099 Transisitor　2SC5108-Y(TE85L) 3408002000039 Transisitor　2SC4226-R24 3404002000009 Transisitor　PRF957 3406001000009 Transisitor　2SC4988FRTR 3411002000009 2SC5343EG 3411002000009 2SC5343EG 3411002000009 2SC5343EG 3503020000039 FET　2SK1824-T1 3401002000099 Transisitor　2SC5108-Y(TE85L)
  • Page 26 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3603008005049 IC　NJM2902V 3602028004599 IC　KIA6278F 3609004005179 IC PST9140NR IC11 3610004000659 M38223M4A-137HP 3802209540009 Crystal 20.945MHZ 3701737230020 Crystal 7.3728MHZ DSX530GA 3701012850019 Crystal 12.8MHZ 3005991030019 Array resistor 10KΩ*4 3005994720019 Array resistor 4.7KΩ*4 3005994720009 Array resistor 4.7KΩ*2 3005991030049 Array resistor 10KΩ*2...
  • Page 27 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3212105470000 Inductor 0402 47nH 3212105101000 Inductor 0402 100nH 3213306221019 Inductor 0603 0.22uH 3210209102019 Inductor 1210 1uH 3210108230019 Inductor 1206 23nH 3212105470000 Inductor 0402 47nH 3213306332000 Inductor 0603 3.3uH 3212105101000 Inductor 0402 100nH 3212105101000 Inductor 0402 100nH...

  • Page 28: Tc-500(V) Part List 1

    TC-500 Service Manual TC-500V Part List 1 Ref. No. Address Material No. Material Description Remark 3001066840000 Resistor 0603　680KΩ　 J 3001062740010 Resistor 0603　270KΩ　J 3001062220000 Resistor 0603　2.2KΩ　J 3001064730000 Resistor 0603　47KΩ　J 3001061510000 Resistor 0603　150Ω　J 3001062220000 Resistor 0603　2.2KΩ　J 3001061040010 Resistor 0603　100KΩ　J 3001061040010 Resistor 0603　100KΩ　J 3001061040010 Resistor 0603　100KΩ　J 3001061040010...
  • Page 29 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3001062720000 Resistor 0603　2.7KΩ　J 3001061520000 Resistor 0603　1.5KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001064730000 Resistor 0603　47KΩ　J 3001061520000 Resistor 0603　1.5KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010 Resistor 0603　1KΩ　J 3001061020010...
  • Page 30 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark R103 3001061530010 Resistor 0603　15KΩ　J R104 3001062230000 Resistor 0603　22KΩ　J R105 3001064730000 Resistor 0603　47KΩ　J R106 3001061000000 Resistor 0603　10Ω　J R107 3001060000000 Resistor 0603　0Ω　 J R108 3001060000000 Resistor 0603　0Ω　 J R109 3001061050010 Resistor 0603　1.0MΩ　J R110 3001060000000 Resistor 0603　0Ω　...
  • Page 31 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark R151 3001060000000 Resistor 0603　0Ω　 J R152 3001063930010 Resistor 0603　39KΩ　J R153 3001063930010 Resistor 0603　39KΩ　J R154 3001061040010 Resistor 0603　100KΩ　J R155 3001061850000 Resistor 0603　1.8MΩ　J R156 3001061850000 Resistor 0603　1.8MΩ　J R157 3001066830000 Resistor 0603　68KΩ　J R158 3001063930010 Resistor 0603　39KΩ　J...
  • Page 32 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020 Capacitor 0402　0.01uF K 16V 3101051030020...
  • Page 33 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3101053300000 Capacitor 0402　33P J 50V 3101053300000 Capacitor 0402　33P J 50V 3101053300000 Capacitor 0402　33P J 50V 3101053900000 Capacitor 0402　39P J 50V 3101052230000 Capacitor 0402　0.022uF K 16V 3101058200000 Capacitor 0402　82PF 3101051020010 Capacitor 0402　1000P K 50V 3101051020010 Capacitor 0402　1000P K 50V...
  • Page 34 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark C103 3101051000020 Capacitor 0402　10P J 50V C104 3101051500020 Capacitor 0402　15P J 50V C105 3101052000000 Capacitor 0402　20PF C106 3101051000000 Capacitor 0402　10P D 50V C107 3101051200020 Capacitor 0402　12P J 50V C109 3101051020010 Capacitor 0402　1000P K 50V C110...
  • Page 35 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark C153 3101053330000 Capacitor 0402　0.033uF K 16V C154 3101054710010 Capacitor 0402　470P K 50V C155 3104081060080 Ta-capacitor 1206 10uF 10V.M C156 3101053330000 Capacitor 0402　0.033uF K 16V C157 3101054730000 Capacitor 0402　0.047uF K 10V C158 3101054730000 Capacitor 0402　0.047uF K 10V...
  • Page 36 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark C210 3101051040040 Capacitor 0402　0.1uF K 10V C211 3101053300000 Capacitor 0402　33P J 50V C212 3101054730000 Capacitor 0402　0.047uF K 10V C213 3101051010030 Capacitor 0402　100P J 50V C231 3101054710010 Capacitor 0402　470P K 50V C233 3101051040040 Capacitor 0402　0.1uF K 10V...
  • Page 37 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3221506601009 BLM18AG601SN1D 3221506601009 BLM18AG601SN1D 3213306102000 Inductor　1uH 3221507600000 BLM21PG600SN1D 3210108330009 Inductor　33nH 3213306682009 Inductor　6.8uH 3212105101000 Inductor　HK1005 100nH 3212105101000 Inductor　HK1005 100nH 3212105560009 Inductor　HK1005 56NJ 3231351670009 E2-0.35-1.6-7TR 3231351640009 E2-0.35-1.6-4TL 3231351650000 E2-0.35-1.6-5TL 3212105101000 Inductor　HK1005 100nH 3213306682009 Inductor　6.8uH 3231351660009...
  • Page 38 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3408002000039 Transistor　2SC4226-R24 3502010000009 FET　2SK1875-V(TE85L) 3406001000009 Transistor　2SC4988FRTR 3411002000009 2SC5343EG 3411002000009 2SC5343EG 3411002000009 2SC5343EG 3503020000039 FET　2SK1824-T1 3401002000099 Transistor　2SC5108-Y(TE85L) 3501020000019 FET　3SK318YB 3411002000009 2SC5343EG 3411002000009 2SC5343EG 3411002000009 2SC5343EG 3501020000019 FET　3SK318YB 3403008000019 Transistor　DTC114EE(TL) 3503020000039 FET　2SK1824-T1 3403008000019 Transistor　DTC114EE(TL)
  • Page 39 TC-500 Service Manual Ref. No. Address Material No. Material Description Remark 3005991030019 Array resistor 10KΩ*4 3001080000000 Resistor 1206　0Ω　J 3802209540009 Crystal 20.945MHZ 3702012850010 Crystal 12.8MHz 3701737230049 Crystal 7.3728MHZ 3801045530109 Ceramic filter 455KHz 3920455300009 Demodulator 3702021450009 Crystal filter 21.4MHz - 38 -...

  • Page 40: Adjustment Description

    TC-500 Service Manual Adjustment Description The radio can be adjusted with PC programming software or by manual adjustment. Manual adjustment procedure of TC-500 is as follow. (Refer to “model set mode” and “manual adjust mode” in the section Software Specification.) Instrument: Radio Communication Test Set 1 set...
  • Page 41 TC-500 Service Manual RECEIVER: (Enter the manual adjust mode) Measurement Adjustment Specification Item Condition /Remarks Test Instrument Terminal Part Method Adjust the waveform to the top, and the top is flat, the 1.RX Center. Turn to bandwidth is about 20MHz, 4.
  • Page 42 TC-500 Service Manual Transmitter Measurement Adjustment Specification Item Condition Test /Remarks Terminal Parts Method equipment 1. TX Center. Turn to CH13 in 7.Transmit Radio Communication Adjust it to center Error manual adjust mode and press frequency Test Set frequency ≤±250Hz PTT.
  • Page 43 TC-500 Service Manual Note: In manual adjust mode, when channel selector knob is positioned at channel 1-channel16, MIC jack can’t connect with external cables. After adjustment is completed, short out the two SELF points and then turn the power on, the radio enters model set mode. Then press PTT to disable the manual adjust mode.

  • Page 44: Disassembly And Assembly

    TC-500 Service Manual Disassembly and Assembly Remove the Battery Turn the radio off. Slide the battery latches upwards. Pull the top part of the battery away from the radio’s body and lift the battery from the radio. (See figure 1) Figure 1 Disassemble main unit (aluminum chassis and PCB) 1.
  • Page 45 TC-500 Service Manual Pull the chassis upwards and then pull the chassis away from the front cover. (See figure 3) Figure 3 The disassembly is shown as the figure 4. Figure 4 Disassemble PTT button Push the PTT button in indicated direction until out of the cover. (See figure 5) Figure 5 - 44 -...
  • Page 46 TC-500 Service Manual Assemble PTT button Paste double-coated tape to the cover. And then press the PTT button into the corresponding opening in the cover. (See figure 6) Figure 6 Attach the battery 1. Fit the extensions at the bottom of the battery into the slots on the radio chassis. Press the top part of the battery towards the radio until a click is heard.

  • Page 47: Exploded View

    TC-500 Service Manual Exploded View - 46 -...

  • Page 48: Part List 2

    TC-500 Service Manual Part List 2 Material No. Description Qty. 7102506000029 TC500 Mic cover screw 2.5×6mm 7102004020059 PTS2.0×4 Screw (cross) (low-carbon steel, color zinc plated) 7102009001009 Machine screw M2×9 (color zinc) 7102504000209 Machine screw, cross pan head　PMS2.5*4 carbon steel, color zinc plated 7102505000109 Machine screw 2.5X5 (T9 cross recess head) 7400016000009...

  • Page 49: Packing

    TC-500 Service Manual Packing Antenna Battery Pack Strap Charger Belt Clip Main Unit Adapter Owner`s Manual Gift Box - 48 -...

  • Page 50: Specifications

    TC-500 Service Manual Specifications 400 MHz ~420 MHz 450 MHz ~470 MHz Frequency range 136 MHz ~150 MHz 150 MHz ~174 MHz Channel capacity (simplex) Channel spacing 25KHz(wide)/12.5KHz(narrow) Antenna impedance 50Ω Microphone impedance 2KΩ Operation voltage 6V DC Frequency stability ±2.5×10 Transmitter Carrier frequency error...

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