Kenwood TK-3000 Service Manual
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Kenwood TK-3000 Service Manual

Uhf fm transceiver
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See also: Service Manual , Instruction Manual
UHF FM TRANSCEIVER
TK-3000
SERVICE MANUAL
Helical antenna
(T90-1096-05 : K,M)
(T90-1097-05 : M2)
Knob (PTT)
(K29-9489-03)
Button knob (Side)
(K29-9490-03)
Plastic cabinet assy
(A02-4135-03)
This product complies with the RoHS directive for the European market.
Knob(Selector)
(K29-9488-03)
Knob (Volume)
(K29-9487-03)
© 2010-11 PRINTED IN JAPAN
B51-8939-00 ( Y ) PDF
CONTENTS
GENERAL ....................................................2
SYSTEM SET-UP .........................................3
REALIGNMENT ...........................................3
DISASSEMBLY FOR REPAIR .....................6
CIRCUIT DESCRIPTION .............................7
SEMICONDUCTOR DATA .........................10
COMPONENTS DESCRIPTION ................11
PARTS LIST ...............................................12
EXPLODED VIEW ......................................17
ADJUSTMENT ...........................................18
TX-RX UNIT (X57-8103-XX) ...................22
SCHEMATIC DIAGRAM ............................26
BLOCK DIAGRAM .....................................27
LEVEL DIAGRAM ......................................29
SPECIFICATIONS .................. BACK COVER
This product uses Lead Free solder.

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  • Page 1: Table Of Contents

    UHF FM TRANSCEIVER TK-3000 SERVICE MANUAL © 2010-11 PRINTED IN JAPAN B51-8939-00 ( Y ) PDF CONTENTS Knob(Selector) (K29-9488-03) GENERAL ............2 Knob (Volume) (K29-9487-03) SYSTEM SET-UP .........3 Helical antenna REALIGNMENT ...........3 (T90-1096-05 : K,M) (T90-1097-05 : M2) DISASSEMBLY FOR REPAIR .....6 CIRCUIT DESCRIPTION ......7...

  • Page 2: General

    Kenwood assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Kenwood reserves the right to make changes to any products herein at any time for improvement purposes. GENERAL...

  • Page 3: System Set-Up

    TK-3000 SYSTEM SET-UP Merchandise received Frequency range (MHz) RF power Type TX/RX 440~480 TK-3000 K,M Choose the type of transceiver 4.0W TX/RX 400~430 TK-3000 M2 A personal computer, programming interface (KPG-22/22A), Transceiver programming and FPU (programming software) are required for programming.
  • Page 4 TK-3000 REALIGNMENT Note: FREQUENCY (MHz) • You must install the KCT-53U driver in the computer to TK-3000 K,M TK-3000 M2 use the USB adapter (KCT-53U). 441.59375 403.19375 • When using the USB adapter (KCT-53U) for the first time, plug the KCT-53U into a USB port on the computer with 441.59500...
  • Page 5 TK-3000 REALIGNMENT KPG-22 or KPG-22A or KPG-22A+KCT-53U Illustration is KPG-22. D-SUB D-SUB (25-pin) (9-pin) KCT-53U KPG-22 KPG-22A KPG-22A Transceiver Transceiver Transceiver Gray Gray/Black – 1.5D-XV Lead wire – 1.5D-XV Shield wire Tuning cable (E30-3216-05) Fig. 1 • If the transceivers clone mode is configured as “Disabled”, 4.

  • Page 6: Disassembly For Repair

    TK-3000 DISASSEMBLY FOR REPAIR 1. Separating the Case Assembly from the 2. Removing the TX-RX unit from the Chassis Chassis 1. Remove the two knobs ( a ). 1. Remove the packing ( e ). 2. Remove the two screws ( b ).

  • Page 7: Circuit Description

    TK-3000 CIRCUIT DESCRIPTION 1. Frequency Configuration The receiver utilizes double conversion. The first IF is 38.85MHz and the second IF is 450kHz. The first Local os- cillator is supplied from the PLL circuit. The PLL circuit in the transmitter generates the neces- sary frequencies.
  • Page 8 TK-3000 CIRCUIT DESCRIPTION 3. Transmitter System 2-3. IF Amplifier Circuit The first IF signal is passed through a four-pole mono- 3-1. Microphone Amplifier Circuit lithic crystal filter (XF200) to remove the adjacent channel The signal from microphone amplified by IC301 and goes signal.

  • Page 9: Power Supply

    TK-3000 CIRCUIT DESCRIPTION 4. Frequency Synthesizer Circuit Note: The EEPROM stores tuning data (Deviation, Squelch, 4-1. Frequency Synthesizer etc.). The frequency synthesizer consists of the TCXO (X1), Realign the transceiver after replacing the EEPROM. VCO, PLL IC (IC1) and buffer amplifiers.

  • Page 10: Semiconductor Data

    TK-3000 SEMICONDUCTOR DATA MCU:F2136ACNKDRB (TX-RX unit: IC400) Pin No. Signal Name Function Pin No. Signal Name Function VOXIN VOX level input VREF Reference voltage input CVDET VCO voltage detection MODE Mode select for MCU LSDO Low speed data output HSDO...

  • Page 11: Components Description

    TK-3000 COMPONENTS DESCRIPTION TX-RX unit (X57-8103-XX) Ref. No. Part Name Description Ref. No. Part Name Description Variable capaci- Frequency control/ VCO tance diode PLL system IC200 FM IF system Variable capaci- Frequency control/ VCO tance diode IC300 Diode TX/RX RF switch...

  • Page 12: Parts List

    TK-3000 PARTS LIST ✽ New Parts. indicates safety critical components. L : Scandinavia K : USA P : Canada Parts without Parts No. are not supplied. Y : PX (Far East, Hawaii) T : England E : Europe Les articles non mentionnes dans le Parts No. ne sont pas fournis.
  • Page 13 TK-3000 PARTS LIST TX-RX UNIT (X57-8103-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C113,114 CC73HCH1H271J CHIP C 270PF C228 CC73HCH1H020B CHIP C 2.0PF C116 CK73HB1C103K CHIP C 0.010UF K...
  • Page 14 TK-3000 PARTS LIST TX-RX UNIT (X57-8103-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C317 CK73HB1C103K CHIP C 0.010UF K C522-524 CC73HCH1H271J CHIP C 270PF C318 CC73HCH1H221J CHIP C 220PF...
  • Page 15 TK-3000 PARTS LIST TX-RX UNIT (X57-8103-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation RK73HB1J104J CHIP R 100K 1/16W R210 RK73HB1J334J CHIP R 330K 1/16W R16 ,17 RK73HB1J103J CHIP R...
  • Page 16 TK-3000 PARTS LIST TX-RX UNIT (X57-8103-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R347 RK73HB1J103J CHIP R 1/16W MIC300 T91-0674-05 MIC ELEMENT R348 RK73HB1J563J CHIP R 1/16W R350 RK73HB1J471J...

  • Page 17: Exploded View

    TK-3000 EXPLODED VIEW Cx13 S400 J301 J300 MIC300 VR500 CF200 S402 CD200 TX-RX unit A : N09-2438-05 B : N30-2606-48 C : N83-2005-48 Parts with the exploded numbers larger than 700 are not supplied. If a part reference number is listed in a box on the exploded view of the PCB, that part does not come with the PCB.

  • Page 18: Adjustment

    TK-3000 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifications Frequency Range 400 to 480MHz Standard Signal Generator (SSG) Modulation Frequency modulation and external modulation Output –127dBm/0.1µV to greater than –47dBm/1mV Input Impedance 50Ω RF Power Meter Operation Frequency...
  • Page 19 The speaker output connector must be terminated with a ■ Test Frequency (MHz) 8Ω dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all TK-3000 K,M times during tuning. RX Frequency TX Frequency ■...
  • Page 20 TK-3000 ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifications / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) BATT terminal voltage: 7.5V 2) SSG standard modulation [Wide] MOD: 1kHz, DEV: 3kHz [Narrow] MOD: 1kHz, DEV: 1.5kHz 2. VCO Lock...
  • Page 21 TK-3000 ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Specifications / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Sensitivity 1) Adj item: Low, High (2 points) TX-RX ANT Check 12dB SINAD or more Check SSG output: –115dBm SP/MIC [Narrow] (0.4µV)

  • Page 22: Pc Board

    TK-3000 PC BOARD TX-RX UNIT (X57-8103-XX) -00: K, M -01: M2 Component side view (J79-0306-09) R367 R392 R360 C345 C523 C329 R393 C134 – C139 MIC30 C353 C517 C355 C326 R136 C316 R340 R329 Q103 C319 R377 R325 C317 C354...
  • Page 23 TK-3000 PC BOARD TX-RX UNIT (X57-8103-XX) -00: K, M -01: M2 Component side view (J79-0306-09) C411 R408 C514 – R509 C515 MIC300 C502 IC503 IC500 Q301 C312 R508 C513 C308 C505 R502 C504 D501 R505 R511 C145 R410 R409 Q500...
  • Page 24 TK-3000 PC BOARD TX-RX UNIT (X57-8103-XX) -00: K, M -01: M2 Foil side view (J79-0306-09) S401 S400 Side C300 CN101 C187 C181 R138 C176 C172 C138 C136 C132 C135 C127 Q102 L111 R139 C271 L110 C250 or L113 C119 C116...
  • Page 25 TK-3000 PC BOARD TX-RX UNIT (X57-8103-XX) -00: K, M -01: M2 Foil side view (J79-0306-09) C300 R106 C107 C113 R108 C105 R113 C110 C108 C114 C172 R157 R102 Q102 R114 C112 C153 C150 C102 L100 C119 C100 C116 R100 C120...

  • Page 26: Schematic Diagram

    TK-3000 C174 C175 C176 C181 C187 C225 C230 C233 C236 C237 C238 C239 C243 C245 C247 C248 C250 C252 C253 C254 C258 C268 C269 C270 C271 C329 C330 D201 D202 D204 D260 D261 L113 L205 L214 L215 R139 R221 R229...

  • Page 27: Block Diagram

    C233 C174 C175 C176 C181 C187 C225 C230 C236 C237 C238 C239 C243 C245 X57-8103-00 0.75p 0.75p 3p(B) 470p X57-8103-01 0.5p 1000p 0.5p 0.1u TX-RX UNIT (X57-8103-XX) R:1.03V T:1.69V RF AMP D 1 0 0 RF BUFFER D2,3,5 0.75V FREQUENCY H S C 2 7 7 1.82V MODULATOR...
  • Page 28 C237 C238 C239 C243 C245 C247 C248 C250 C252 C253 C254 C258 C268 C269 C270 C271 C329 C330 C349 D201 D202 D204 D260 D261 L113 L205 L214 L215 R139 R203 R206 R221 R229 R230 470p 470p 270p 0.75p 470p 0.027u 820p 0.15u HVC355B...
  • Page 29 TK-3000 R203 R206 R221 R229 R230 R231 R300 R314 R360 R371 R388 R471 R472 SCHEMATIC DIAGRAM 560k 470k 1.5k 3.9k 180k 1.8k 1.8k 220k 8.2k 8.2k 680k D101 L111 L112 FINAL HVC131 Q102 C127 D102 C131 C135 R138 C137 RD07MUS2BT112...
  • Page 30 1 5 P oSCoUT C 2 7 16 R oSCIN DC SW 2 2 p I C 1 MB15E03SL-E1 R 1 9 1 0 k R 2 0 TCXO 1 0 k R 2 1 RT1N141U-T111 1 0 k VCoNT C 3 8 oUTPUT 2 2 p...
  • Page 31 Q 2 0 2 6 . 8 k 2 2 p C 2 2 1 C D 2 0 0 0 . 0 1 u KTC4080E-P L79-1914-05 CN200 CN201 R:4.93V T: 0V W/N SW CVDET CVDET RSSI RSSI LSDI WID/NAR PLDL PLDL DATA...
  • Page 32 C271 D260,261 D201,202,204 BPF TUNING BPF TUNING R:4.93V T: 0V R409 Q401 PFKEY GREEN LEDG DC SW RT1N144U-T111 5MSC R410 GREEN LED RED LED 2 2 0 ON:5.0V ON:5.0V LEDG Q402 SPMUT SPMUT LEDR LEDR LEDG DC SW LEDR RT1N144U-T111 OPTDET S60-0447-05 I C 4 0 0...
  • Page 33 TK-3000 BLOCK DIAGRAM X57-8103-XX MB15E03SL-E1 UHF:401.15MHz~441.15MHz (RX) : K 361.15MHz~391.15MHz (RX) : M 440MHz~480MHz (TX) : K,M PLPS 400MHz~430MHz (TX) : M2 PLDL DATA Q4 :MCH3914(7)-H 2SC5636 D2,3:1SV325F 2SC5108(Y)F CLOCK RF BUFFER RF AMP RT1N141U-T111 D5:HVC350B 3.3V REG D6:HVC350B Q3:2SC5383-T111...
  • Page 34 TK-3000 BLOCK DIAGRAM UHF: 440MHz~480MHz : K,M 400MHz~430MHz : M2 UHF:401.15MHz~441.15MHz (RX) : K,M 361.15MHz~391.15MHz (RX) : M2 440MHz~480MHz (TX) : K,M 400MHz~430MHz (TX) : M2 D100,D200 Q101 Q102 D101,102,103,105 Q100 2SC5636 HSC277 2SC5108(Y)F 2SC4926YD RFM01U7P RD07MUS2BT112 HVC131 RF BUFFER...

  • Page 35: Level Diagram

    TK-3000 LEVEL DIAGRAM...

  • Page 36: Specifications

    Modulation Distortion ........... Less than 5% Measurements made per TIA/EIA-603 and specifications shown are typical. Kenwood reserves the right to change specifications without prior notice or obligation. 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands CA 90801-5745, U.S.A.

  • Page 37: Pc Board Tx-Rx Unit (X57-8103-Xx)

    TK-3000 TK-3000 PC BOARD PC BOARD TX-RX UNIT (X57-8103-XX) -00: K, M -01: M2 TX-RX UNIT (X57-8103-XX) -00: K, M -01: M2 Component side view (J79-0306-09) Component side view (J79-0306-09) C411 R367 R392 R408 R360 C345 C523 C329 C514 R393 C134 –...
  • Page 38 TK-3000 TK-3000 PC BOARD PC BOARD TX-RX UNIT (X57-8103-XX) -00: K, M -01: M2 TX-RX UNIT (X57-8103-XX) -00: K, M -01: M2 Foil side view (J79-0306-09) Foil side view (J79-0306-09) S401 S400 Side C300 CN101 R106 C107 C113 R108 C105...
  • Page 39 C233 L205 C174 C175 C176 C181 C187 C225 C230 C236 C237 C238 C239 C243 C245 C247 C248 C250 C252 C253 C254 C258 C268 C269 C270 C271 C329 C330 C349 D201 D202 D204 D260 D261 L113 L214 L215 R139 R203 R206 R221 R229 R230...
  • Page 40 X57-8103-XX UHF: 440MHz~480MHz : K,M 400MHz~430MHz : M2 MB15E03SL-E1 UHF:401.15MHz~441.15MHz (RX) : K,M 361.15MHz~391.15MHz (RX) : M2 440MHz~480MHz (TX) : K,M PLPS 400MHz~430MHz (TX) : M2 PLDL D100,D200 DATA Q101 Q102 D101,102,103,105 Q4 :MCH3914(7)-H Q100 2SC5108(Y)F 2SC5636 HSC277 RFM01U7P RD07MUS2BT112 HVC131 D2,3:1SV325F 2SC4926YD...

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