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Kenwood TK-3402 Service Manual
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Kenwood TK-3402 Service Manual

Uhf fm transceiver
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UHF FM TRANSCEIVER
TK-3402/3406/3407
SERVICE MANUAL
K2,P,M2 versions
Whip antenna
(T90-1041-25) : TK-3402
(K2,P only)
Button knob (PTT)
(K29-9612-03)
Button knob
(SIDE1/SIDE2)
(K29-9613-03)
Plastic cabinet assy
(A02-4200-03)
This product complies with the RoHS directive for the European market.
Knob (Selector)
(K29-9615-03)
Knob (Volume)
(K29-9614-03)
© 2013-02 PRINTED IN JA PAN
B53-7049-00 ( Y ) 241
CONTENTS
GENERAL ....................................................2
SYSTEM SET-UP .........................................3
REALIGNMENT ...........................................3
DISASSEMBLY FOR REPAIR .....................6
CIRCUIT DESCRIPTION .............................9
SEMICONDUCTOR DATA .........................14
COMPONENTS DESCRIPTION ................15
PARTS LIST ...............................................16
EXPLODED VIEW ......................................22
PACKING ...................................................23
ADJUSTMENT ...........................................25
TX-RX UNIT (X57-8320-11) ....................30
SCHEMATIC DIAGRAM ............................34
BLOCK DIAGRAM .....................................38
LEVEL DIAGRAM ......................................40
SPECIFICATIONS ......................................41
This product uses Lead Free solder.

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Summary of Contents for Kenwood TK-3402

  • Page 1: Table Of Contents

    SYSTEM SET-UP .........3 REALIGNMENT ...........3 DISASSEMBLY FOR REPAIR .....6 CIRCUIT DESCRIPTION ......9 Knob (Selector) SEMICONDUCTOR DATA ......14 Whip antenna (K29-9615-03) (T90-1041-25) : TK-3402 COMPONENTS DESCRIPTION ....15 (K2,P only) Knob (Volume) (K29-9614-03) PARTS LIST ..........16 EXPLODED VIEW ........22 PACKING ...........23 ADJUSTMENT ...........25 PC BOARD TX-RX UNIT (X57-8320-11) ....30...

  • Page 2: General

    Copyright 2013 by JVC KENWOOD Corporation. All While every precaution has been taken in the preparation rights reserved. of this manual, JVC KENWOOD Corporation assumes no No part of this manual may be reproduced, translated, responsibility for errors or omissions. Neither is any liability...

  • Page 3: System Set-Up

    TK-3402/3406/3407 SYSTEM SET-UP Merchandise received Frequency range (MHz) RF power Type TK-3402 K2,P TK-3406 M2 TX/RX 400~470 5.0W Choose the type of transceiver TK-3407 M2 A personal computer, programming interface (KPG-22A/22U), Transceiver programming and FPU (programming software) are required for programming.
  • Page 4 TK-3402/3406/3407 REALIGNMENT 2. When the POWER is switched on, user mode can be en- 3-6. Programming with PC tered immediately. When the PC sends a command, the If data is transferred to the transceiver from a PC with the transceiver enters PC mode.
  • Page 5 TK-3402/3406/3407 REALIGNMENT • Electronic interface may cause a failure in data transfer 4. Wireless Clone Mode during Wireless Clone, such as when waveforms or elec- 4-1. Outline tromagnetics are being performed at the workbench. “Wireless Clone Mode” copies the transceiver data to an- •...

  • Page 6: Disassembly For Repair

    TK-3402/3406/3407 DISASSEMBLY FOR REPAIR 1. Removing the Case Assembly from the 3. Removing the TX-RX unit from the Chassis Chassis 1. Remove the selector knob a and volume knob b . 1. Remove the eleven screws g fi xing the TX-RX unit.
  • Page 7 TK-3402/3406/3407 DISASSEMBLY FOR REPAIR 5. Attaching the Battery Release Lever to 6. Assembling the Battery Release Lever 1. Place the lever b onto the stopper a . the Case Assembly 2. Place the thick spring c onto the lever. 1. Insert one side of the shaft into the hole at the lever fi tting 3.
  • Page 8 TK-3402/3406/3407 DISASSEMBLY FOR REPAIR 8. Mounting the Chassis to the Case 10. The Nuts of the Volume Knob and Assembly Channel Knob 1. Confirm that the waterproof packing attached to the Note that the shapes, colors and heights of nuts of the...

  • Page 9: Circuit Description

    TK-3402/3406/3407 CIRCUIT DESCRIPTION 1. Frequency Confi guration The receiver utilizes double conversion. The first IF is 50.85MHz and the second IF is 450kHz. The fi rst Local os- cillator is supplied from the PLL circuit. The PLL circuit in the transmitter generates the neces- sary frequencies.
  • Page 10 TK-3402/3406/3407 CIRCUIT DESCRIPTION 2-3. IF Amplifi er Circuit 3. Transmitter System The fi rst IF signal is passed through a four-pole mono- 3-1. Microphone Amplifi er Circuit lithic crystal fi lter (XF400) to remove the adjacent channel The signal from the microphone is limited by the AGC signal.
  • Page 11 TK-3402/3406/3407 CIRCUIT DESCRIPTION Q201 Q206 Q208 D203,204 From Pre-DRIVE DRIVE RF FINAL T/R SW (D15) R230 R231 R233 IC200 IC200 (1/2) (2/2) Fig. 5 Drive and fi nal amplifi er and APC circuit PLL data is output from PLL_LE (pin 72), PLL_DATA (pin 4.
  • Page 12 TK-3402/3406/3407 CIRCUIT DESCRIPTION 5-1. Frequency Shift Circuit 6. Signaling Circuit The MCU (IC702) and baseband IC (IC705) operates at 6-1. Encode a clock frequency of 19.2MHz. This oscillator has a circuit ■ Low-speed data (QT, DQT) that shifts the frequency via Beat shift switch (Q701, Q702).

  • Page 13: Power Supply

    TK-3402/3406/3407 CIRCUIT DESCRIPTION 7. Power Supply There are fi ve 5V power supplies and three 3.3V power supplies: 50M, 50V, 50C, 50R, 50T, 33M, 33MS and 33B. 50M and 33M are always output while the power is on. 33MS is always output, but turns off when the power is turned off, to prevent malfunction of the MCU.

  • Page 14: Semiconductor Data

    TK-3402/3406/3407 SEMICONDUCTOR DATA MCU:F363BEDFEKDLF (TX-RX unit IC702) Pin No. Signal Name Function OPTDET Option detection Pin No. Signal Name Function Green LED light control(Hi:LED BLULED O Blue LED light control(Hi:LED ON) GRNLED LSDO O QT/DQT output REDLED O Red LED light control(Hi:LED ON)

  • Page 15: Components Description

    TK-3402/3406/3407 COMPONENTS DESCRIPTION TX-RX unit (X57-8320-11) Ref. No. Use / Function Operation / Condition Q602 DC switch(50R) Ref. No. Use / Function Operation / Condition Q603 DC switch(MIN-VOL) PLL system Q604,605 TRANSISTOR DC switch(TX,BLUE-LED) DC AMP(CV) Q606 DC switch(33MS) IC200...

  • Page 16: Parts List

    X : Australia X : Australia M : Oth er Areas M : Oth er Areas Teile ohne Parts No. werden nicht geliefert. TK-3402 / 3406 / 3407 TX-RX UNIT (X57-8320-11) TX-RX UNIT (X57-8320-11) Desti- Desti- Ref. No. Ad dress Parts No.
  • Page 17 TK-3402/3406/3407 PARTS LIST TX-RX UNIT (X57-8320-11) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation CC73HCH1H030B CHIP C 3.0PF C269 CK73HB1H271K CHIP C 270PF CC73HCH1H010B CHIP C 1.0PF C270 CC73HCH1H030B CHIP C 3.0PF...
  • Page 18 TK-3402/3406/3407 PARTS LIST TX-RX UNIT (X57-8320-11) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C457 CK73HB1H271K CHIP C 270PF C747 CK73HB1H152K CHIP C 1500PF C458 CC73HCH1H1R5B CHIP C 1.5PF...
  • Page 19 TK-3402/3406/3407 PARTS LIST TX-RX UNIT (X57-8320-11) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation L40-1575-71 SMALL FIXED INDUCTOR(15NH) RK73HB1J103J CHIP R 1/16W L41-2285-53 SMALL FIXED INDUCTOR(0.22UH) RK73HB1J334J CHIP R...
  • Page 20 TK-3402/3406/3407 PARTS LIST TX-RX UNIT (X57-8320-11) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R235 RK73HB1J182J CHIP R 1.8K 1/16W R701,702 RK73HH1J103D CHIP R 1/16W R236 RK73HB1J151J CHIP R...
  • Page 21 TK-3402/3406/3407 PARTS LIST TX-RX UNIT (X57-8320-11) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R803 RK73HB1J391J CHIP R 1/16W SSM3J36TUT R804 RK73HB1J124J CHIP R 120K 1/16W 2SC5636 TRANSISTOR...

  • Page 22: Exploded View

    TK-3402/3406/3407 EXPLODED VIEW MIC1 Fx12 TX-RX unit CF401 A M2 x 5 : N09-6621-05 : N14-0849-05 : N14-0869-05 : N19-2214-05 E M2.6 x 4 : N30-2604-48 F M2 x 5 : N83-2005-48 Model name plate Parts with the exploded numbers larger than 700 are not supplied.

  • Page 23: Packing

    TK-3402/3406/3407 PACKING(TK-3402/3406) 8 Instruction manual 704 Pamphlet (B62-2479-00 : K2,P) (B62-2481-00 : M2) 58 AC adapter (W08-1247-25 : K2) 59 Charger (W08-1326-05 : P) (W08-1249-35 : K2) (W08-1327-05 : M2) (W08-1331-05 : P,M2) 705 Protection bag 703 Battery assy 43 Holder (SP/MIC)
  • Page 24 TK-3402/3406/3407 PACKING (TK-3407) 8 Instruction manual 706 Pamphlet (B62-2480-00) 12 Stopper (SEL) 705 Protection bag (D32-0456-03) 43 Holder (SP/MIC) (J19-5577-03) 47 Belt clip (J29-0734-15) 55 Screw set (N99-2089-05) 4 Cap (B09-0758-03) 706 Protection bag 709 Item carton case Parts with the exploded numbers larger than 700 are not supplied.

  • Page 25: Adjustment

    TK-3402/3406/3407 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifi cations Frequency Range 127 to 520MHz 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 26 TK-3402/3406/3407 ADJUSTMENT Frequency and Signaling Preparations for Tuning the Transceiver The transceiver has been adjusted for the frequencies Before attempting to tune the transceiver, connect the shown in the following table. When required, re-adjust them unit to a suitable power supply.
  • Page 27 TK-3402/3406/3407 ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) Power supply voltage DC power supply terminal : 7.5V 2. Receive 1) Auto tuning Digital TX-RX FPU 4.0V±0.1V...
  • Page 28 TK-3402/3406/3407 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 6. DQT 1) TEST CH: Center Deviation 0.35kHz ±40Hz Deviation 2) Deviation meter fi lter meter *Note LPF: 3kHz Oscilloscope HPF: OFF 3) PTT: ON 7.
  • Page 29 TK-3402/3406/3407 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 2. Open 1) TEST CH: Low, Center, High Press [Start] Squelch (3 points) (Auto tuning) [Wide] 2) SSG otuput: –120dBm Oscilloscope SSG MOD: 3.0kHz...

  • Page 30: Pc Board

    TX-3402/3406/3407 PC BOARD TX-RX UNIT ( X57-8320-11 ) Component side view (J79-0360-09) C710 CP27 R710 C700 C705 C774 R787 R701 R712 D702 R786 C769 C777 C711 R715 R413 R705 C704 R703 C609 CP20 CP21 R825 C423 IC700 C741 Q704 C740 R756 C742 R739...
  • Page 31 TX-3402/3406/3407 PC BOARD TX-RX UNIT ( X57-8320-11 ) Component side view (J79-0360-09) R241 C235 C615 R243 IC200 R238 R603 C631 R247 C249 C628 C252 R246 C625 R705 C620 C623 R235 C704 R703 R725 R719 R825 C759 R253 R408 C413 R718 CN600 R761 C757...
  • Page 32 TX-3402/3406/3407 PC BOARD TX-RX UNIT ( X57-8320-11 ) Foil side view (J79-0360-09) Q207 S601 S602 L220 C816 C279 C477 D404 C272 R435 C274 C469 L417 L415 C464 L217 L216 C478 C470 R438 L218 Q405 L420 C481 C471 C474 R251 R434 R250 C473 R249...
  • Page 33 TX-3402/3406/3407 PC BOARD TX-RX UNIT ( X57-8320-11 ) Foil side view (J79-0360-09) S603 CD400 C428 C632 R418 R419 Q402 R424 Q403 R409 C451 R410 C441 C443 C417 C444 D401 L402 Q401 R425 Q404 R428 R431 C448 R429 R432 R427 IC400 C461 C459 R434...

  • Page 34: Schematic Diagram

    TK-3402/3406/3407 SCHEMATIC DIAGRAM TX-RX UNIT(X57-8320-11) PLL_CLK PLL_DAT PLL system R776 PLL_LE PLL_PS MB15E03SL-E1 100X4 CLoCK CV(A) Speed up(PLL UL) DATA PLL_LD XFIN 0.1u 16.8MHz VCoNT 3.3V LD/FoUT 3.2V oSCoUT 270p 270p oUTPUT oSCIN 4.7u 0.01u L77-3050-05 1.66V 0.01u 0.01u 5.0V...
  • Page 35 TK-3402/3406/3407 SCHEMATIC DIAGRAM TX-RX UNIT (X57-8320-11) 5.0V 2.9V DC switch(MOD) CVIN SSM3J36TUT 150k 0.6V CVIN 270p oUT1 Q1 conrol TASIS IN1- 2SC5636 oUT2 KTK5132E-P Fin buffer IN1+ IN2- 470k IN2+ 0.01u BD7542FVM DC AMP(CV) EEPROM IC700 EX25064ATA00A HoLD TX/RX DICSW MOD1 16.8MHz...
  • Page 36 TK-3402/3406/3407 SCHEMATIC DIAGRAM TX-RX UNIT (X57-8320-11) R:2.1V 220n 270n R:4.0V 1SV325F T:2.0V RF AMP 2.0V T:0V Buffer AMP C202 R207 C207 C208 R254 R202 R255 R205 2SC5636 2SC5636 6.8n D4,7 HSC277 270p RX-VCO D14,15 RX VCO RX assist tune MCH3914(8)-H T/R SW 2.5V...
  • Page 37 TK-3402/3406/3407 SCHEMATIC DIAGRAM TX-RX UNIT (X57-8320-11) Final AMP Q208 C268 D203 C272 R210 R212 L219 R250 L218 L220 Drive AMP RD07MUS2BT112 1.8k 470p Q206 HVC131 C228 L211 RFM01U7P C274 C276 C279 D204 1.2n 100p 0.75p HVC131 1.6V C216 R217 C219...

  • Page 38: Block Diagram

    TK-3402/3406/3407 BLOCK DIAGRAM X57-8320-11 MB15E03SL-E1 2SC5636 BUFF AMP PLL_LE PLL_DAT PLL_CLK Q6 MCH3914(7)-H PLL_LD D5,D9 1SV323F 2SC5636 PLL_PS BUFF AMP HVC375B-E 33MS TUNE Q1 SM3J36TUT Q3 KTK5132E-P KDV214E-F 16.8MHz TCXO MOD2 DC SW Q5 MCH3914(7)-H Q7 SSM6L36TU-F D4,D7 1SV325F Q8 SSM3J36TUT...
  • Page 39 TK-3402/3406/3407 BLOCK DIAGRAM 400MHz~ 470MHz 349.15MHz~419.15MHz (RX) 400MHz~470MHz (TX) D201,D202 RN142S D14,D15 Q201 Q206 Q208 D203,D204 HVC131 2SC5636 HSC277 2SC5455-A RD01MUS1-T113 RD07MUS2BT112 TX/RX RF AMP PRE-DRIVE DRIVE AMP FINAL AMP ANT SW RF SW D200 Q203 Q210 UDZW5.1(B) LTC014EEBFS8 LTA044EEBFS8...

  • Page 40: Level Diagram

    TK-3402/3406/3407 LEVEL DIAGRAM...

  • Page 41: Specifications

    Modulation .............16K0F3E (Wide) / 11K0F3E (Narrow) FM Hum and Noise ..........45dB (Wide) / 40dB (Narrow) Modulation Distortion ..........Less than 5% Measurements made per TIA/EIA-603 and specifi cations shown are typical. JVC KENWOOD Corporation reserves the right to change specifi cations without prior notice or obligation.
  • Page 42 TK-3402/3406/3407...
  • Page 43 TX-3402/3406/3407 TX-3402/3406/3407 PC BOARD PC BOARD TX-RX UNIT ( X57-8320-11 ) TX-RX UNIT ( X57-8320-11 ) Component side view (J79-0360-09) Component side view (J79-0360-09) C710 R241 C235 CP27 R710 C615 C700 C705 C774 R787 R701 R712 R243 D702 R786 C769 IC200 R238 C777...
  • Page 44 TX-3402/3406/3407 TX-3402/3406/3407 PC BOARD PC BOARD TX-RX UNIT ( X57-8320-11 ) TX-RX UNIT ( X57-8320-11 ) Foil side view (J79-0360-09) Foil side view (J79-0360-09) Q207 S601 S602 S603 CD400 L220 C428 C816 C632 R418 R419 Q402 R424 Q403 C279 C477 R409 C451 C441...
  • Page 45 TX-RX UNIT(X57-8320-11) PLL_CLK PLL_DAT R776 R:2.1V PLL_LE PLL system 5.0V 220n 1SV325F 270n R:4.0V Final AMP RF AMP 2.0V T:2.0V PLL_PS T:0V Buffer AMP R210 R212 Q208 R250 C268 D203 C272 L218 L219 L220 MB15E03SL-E1 R254 R202 C202 R255 R205 R207 C207 C208...
  • Page 46 X57-8320-11 MB15E03SL-E1 2SC5636 400MHz~ BUFF AMP 470MHz PLL_LE PLL_DAT 349.15MHz~419.15MHz (RX) PLL_CLK 400MHz~470MHz (TX) D201,D202 RN142S Q6 MCH3914(7)-H PLL_LD D14,D15 Q201 Q206 Q208 D203,D204 HVC131 D5,D9 1SV323F 2SC5636 2SC5636 HSC277 2SC5455-A RD01MUS1-T113 RD07MUS2BT112 PLL_PS TX/RX BUFF AMP RF AMP PRE-DRIVE DRIVE AMP FINAL AMP ANT SW...

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