Kenwood TK-2402(V) Service Manual
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Kenwood TK-2402(V) Service Manual

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See also: Instruction Manual
VHF FM TRANSCEIVER
TK-2402(V)/2402
TK-2406/2407
SERVICE MANUAL
Helical antenna
(T90-1036-15) : TK-2402(V)
TK-2402
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)
© 2012-11 PRINTED IN JA PAN
B53-7040-00 ( Y ) 669
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 (X57-8310-10) ....................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-2402(V)

  • Page 1: Table Of Contents

    VHF FM TRANSCEIVER TK-2402(V)/2402 TK-2406/2407 SERVICE MANUAL © 2012-11 PRINTED IN JA PAN B53-7040-00 ( Y ) 669 CONTENTS GENERAL ............2 SYSTEM SET-UP .........3 REALIGNMENT ...........3 DISASSEMBLY FOR REPAIR .....6 CIRCUIT DESCRIPTION ......9 SEMICONDUCTOR DATA ......14 Knob (Selector) Helical antenna (K29-9615-03) COMPONENTS DESCRIPTION ....15 (T90-1036-15) : TK-2402(V)

  • Page 2: General

    Copyright 2012 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-2402(V)/2402/2406/2407 SYSTEM SET-UP Merchandise received Frequency range (MHz) RF power Type TK-2402(V) K TK-2402 K, P TX/RX 136~174 5.0W Choose the type of transceiver TK-2406 M TK-2407 M A personal computer, programming interface (KPG-22A/22U), Transceiver programming and FPU (programming software) are required for programming. (The frequency, TX power HI/LOW, and signaling data are programmed for the transceiver.) KRA-22 or KRA-26...
  • Page 4 TK-2402(V)/2402/2406/2407 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. FPU, the data for each set can be modifi...
  • Page 5 TK-2402(V)/2402/2406/2407 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-2402(V)/2402/2406/2407 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. 2.
  • Page 7 TK-2402(V)/2402/2406/2407 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-2402(V)/2402/2406/2407 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 circumference of the chassis is securely inserted in the volume knob and channel knob are different from one groove of the chassis a .

  • Page 9: Circuit Description

    TK-2402(V)/2402/2406/2407 CIRCUIT DESCRIPTION 1. Frequency Confi guration The receiver utilizes double conversion. The first IF is 38.85MHz 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-2402(V)/2402/2406/2407 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-2402(V)/2402/2406/2407 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-2402(V)/2402/2406/2407 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). Low-speed data is output from pin2 of the MCU.

  • Page 13: Power Supply

    TK-2402(V)/2402/2406/2407 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-2402(V)/2402/2406/2407 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) HSDENC O 2-Tone/BEEP output MIC_MT...

  • Page 15: Components Description

    TK-2402(V)/2402/2406/2407 COMPONENTS DESCRIPTION TX-RX unit (X57-8310-10) Ref. No. Use / Function Operation / Condition Q602 DC switch(50R) Ref. No. Use / Function Operation / Condition Q603 DC switch(MIN-VOL) DC AMP(FRQ/MOD) Q604,605 TRANSISTOR DC switch(TX,BLUE-LED) PLL system Q606 DC switch(33MS) DC AMP(CV) Q701,702 TRANSISTOR Beat shift switch...

  • Page 16: Parts List

    TK-2402(V)/2402/2406/2407 PARTS LIST ✽ New Parts. indicates safety critical components. L : Scandinavia L : Scandinavia K : USA K : USA P : Canada P : Canada Parts without Parts No. are not supplied. Y : PX (Far East, Hawaii) Y : PX (Far East, Hawaii) T : England T : England...
  • Page 17 TK-2402(V)/2402/2406/2407 PARTS LIST TX-RX UNIT (X57-8310-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation CC73HCH1H680J CHIP C 68PF C264 CK73GB1H102K CHIP C 1000PF CC73HCH1H820J CHIP C 82PF C268 CK73GB1H102K CHIP C 1000PF...
  • Page 18 TK-2402(V)/2402/2406/2407 PARTS LIST TX-RX UNIT (X57-8310-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C457 CK73HB1H102K CHIP C 1000PF C749,750 CC73HCH1H101J CHIP C 100PF C458 CC73HCH1H040B CHIP C 4.0PF C751 CC73HCH1H680J...
  • Page 19 TK-2402(V)/2402/2406/2407 PARTS LIST TX-RX UNIT (X57-8310-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation L40-1001-86 SMALL FIXED INDUCTOR(10UH) R1 ,2 RK73HB1J103J CHIP R 1/16W L40-2702-86 SMALL FIXED INDUCTOR(27UH) RK73HB1J121J CHIP R 1/16W...
  • Page 20 TK-2402(V)/2402/2406/2407 PARTS LIST TX-RX UNIT (X57-8310-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R233 RK73EB2ER39K CHIP R 0.39 1/4W R615 RK73HH1J394D CHIP R 390K 1/16W R235 RK73HB1J182J CHIP R 1.8K 1/16W...
  • Page 21 TK-2402(V)/2402/2406/2407 PARTS LIST TX-RX UNIT (X57-8310-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R801 RK73HB1J151J CHIP R 1/16W IC705 CD686AQ3 MOS-IC R802 RK73HB1J474J CHIP R 470K 1/16W ✽...

  • Page 22: Exploded View

    TK-2402(V)/2402/2406/2407 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. 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 23: Packing

    TK-2402(V)/2402/2406/2407 PACKING(TK-2402(V)/2402/2406) 8 Instruction manual 704 Pamphlet: K,K1,P (B62-2479-00): K,K1,P (B62-2481-00): M1 58 AC adapter (W08-1247-25): K,K1 59 Charger (W08-1326-05): P (W08-1249-35): K,K1 (W08-1327-05): M1 (W08-1331-05): P,M1 705 Protection bag 703 Battery assy 43 Holder (SP/MIC) 47 Belt hook (J19-5577-03) (J29-0734-05) 12 Stopper (SEL) (D32-0456-03)
  • Page 24 TK-2402(V)/2402/2406/2407 PACKING (TK-2407) 8 Instruction manual 706 Pamphlet (B62-2480-00) 12 Stopper (SEL) 705 Protection bag (D32-0456-03) 48 Holder (SP/MIC) (J19-5577-03) 47 Belt hook (J29-0734-05) 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-2402(V)/2402/2406/2407 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 127 to 520MHz Measurement Range Vicinity of 10W...
  • Page 26 TK-2402(V)/2402/2406/2407 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. following the adjustment procedure to obtain the frequencies Whenever the transmitter is tuned, the unit must be con- you want in actual operation.
  • Page 27 TK-2402(V)/2402/2406/2407 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 Assist *Note Voltage...
  • Page 28 TK-2402(V)/2402/2406/2407 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-2402(V)/2402/2406/2407 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 AF Freq : 1kHz [Narrow] 1) TEST CH: Low, Center, High...

  • Page 30: Pc Board

    TX-2402(V)/2402/2406/2407 PC BOARD TX-RX UNIT ( X57-8310-10 ) Component side view (J79-0359-09) D702 C710 CP27 R710 C700 C705 C774 R787 R701 R712 R786 C769 C777 C711 R715 R413 R705 CP20 C704 R703 CP21 C609 C423 R825 IC700 C747 R768 R759 C741 Q704 C740...
  • Page 31 TX-2402(V)/2402/2406/2407 PC BOARD TX-RX UNIT ( X57-8310-10 ) Component side view (J79-0359-09) R241 C235 C615 R243 IC200 R238 R603 C631 R247 C249 C628 C252 R246 C625 R705 C623 C620 R235 C704 R703 R725 R719 R825 R828 C759 R253 C747 R408 C413 CN600 R718...
  • Page 32 TX-2402(V)/2402/2406/2407 PC BOARD TX-RX UNIT ( X57-8310-10 ) Foil side view (J79-0359-09) Q207 S601 S602 C279 Side1 L220 D404 C275 R435 C469 L217 C464 C810 C478 R438 L218 C272 R251 R441 Q405 L420 C481 C474 R434 C471 R249 R448 C274 R228 C468 C466...
  • Page 33 TX-2402(V)/2402/2406/2407 PC BOARD TX-RX UNIT ( X57-8310-10 ) Foil side view (J79-0359-09) S603 Side2 CD400 R418 R419 Q403 Q402 R424 R409 R410 C441 Q401 C417 C443 C444 L402 D401 R425 Q404 R428 R431 R429 R432 R427 IC401 R434 C459 C446 C415 C412 C456...

  • Page 34: Schematic Diagram

    TK-2402(V)/2402/2406/2407 SCHEMATIC DIAGRAM TX-RX UNIT(X57-8310-10) PLL system R775 MB15E03SL-E1 CLoCK PLL_CLK 270p 10 DATA PLL_DAT XFIN PLL_LE PLL_PS 12 PS 19.2MHz 1.67V 100X4 14 LD/FoUT 1 VCoNT oSCoUT 16 R 2 GND oSCIN Speed up(PLL UL) oUTPUT 4.7u L77-3055-05 5.0V 1000p 1000p Freq...
  • Page 35 TK-2402(V)/2402/2406/2407 SCHEMATIC DIAGRAM TX-RX UNIT (X57-8310-10) 1.4V 5.0V 0.3V DC AMP(CV) CVIN BD7542FVM oUT1 DC SW(MOD) IN1- oUT2 IN1+ SSM3J36TUT IN2- Q1 conrol 470k IN2+ Fin doubler KTK5132E-P 0.01u 2SC5636 CV(A) D704,D705 PLL Fin BPF SW Freq CVIN TASIS IC700 HoLD C711 1000p...
  • Page 36 TK-2402(V)/2402/2406/2407 SCHEMATIC DIAGRAM TX-RX UNIT (X57-8310-10) R:4.2V T:0V Buffer AMP 3.2V R:2.1V R210 R212 T:2.0V 2SC5636 RF AMP 1.5k T/R SW RX-VCO D4,D7 3.0V C201 2SC5636 R202 C202 R257 RX VCO tune MCH3914(8)-H 1000p HSC277 Pre-AMP R:0V R:0V 1SV325F T:1.0V T:1.8V Q201 2SC5455-A...
  • Page 37 TK-2402(V)/2402/2406/2407 SCHEMATIC DIAGRAM TX-RX UNIT (X57-8310-10) D203,D204 ANT SW Final AMP Q208 L222 L223 C264 C268 D203 C272 RD07MUS2BT112 L221 R250 L218 L219 L220 Drive AMP 1000p 1000p 1000p HVC131 Q206 C228 R240 C274 C276 C279 RD01MUS1-T113 D204 HVC131 R217 C219 L207 H:1.4V...

  • Page 38: Block Diagram

    TK-2402(V)/2402/2406/2407 BLOCK DIAGRAM X57-8310-10 D704,705 MB15E03SL-E1 HSC277 2SC5636 DOUBLER PLL_LE PLL_DAT PLL_CLK Q6 MCH3914(7)-H PLL_LD D3,D5,D8,D9 1SV323F 2SC5636 PLL_PS BUFF AMP HVC375B-E 33MS TUNE Q1 SM3J36TUT Q3 KTK5132E-P HVC350B 19.2MHz TCXO MOD2 DC SW Q5 MCH3914(8)-H Q7 SSM6L36TU-F D4,D7 1SV325F 33MS AsstSW Q8 SSM3J36TUT...
  • Page 39 TK-2402(V)/2402/2406/2407 BLOCK DIAGRAM 136MHz~ 174MHz 174.85MHz~212.85MHz (RX) 136MHz~174MHz (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 PROTECT DC SW DC SW...

  • Page 40: Level Diagram

    TK-2402(V)/2402/2406/2407 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-2402(V)/2402/2406/2407...
  • Page 43 TX-2402(V)/2402/2406/2407 TX-2402(V)/2402/2406/2407 PC BOARD PC BOARD TX-RX UNIT ( X57-8310-10 ) TX-RX UNIT ( X57-8310-10 ) Component side view (J79-0359-09) Component side view (J79-0359-09) D702 C710 R241 C235 CP27 R710 C615 C700 C705 C774 R787 R701 R712 R243 R786 C769 IC200 R238 C777...
  • Page 44 TX-2402(V)/2402/2406/2407 TX-2402(V)/2402/2406/2407 PC BOARD PC BOARD TX-RX UNIT ( X57-8310-10 ) TX-RX UNIT ( X57-8310-10 ) Foil side view (J79-0359-09) Foil side view (J79-0359-09) Q207 S601 S602 S603 C279 Side1 Side2 CD400 R418 R419 L220 Q403 Q402 R424 R409 R410 C441 Q401 C443...
  • Page 45 TX-RX UNIT(X57-8310-10) 1.4V PLL system R775 R:4.2V MB15E03SL-E1 T:0V Buffer AMP 3.2V D203,D204 R:2.1V R210 R212 CLoCK 5.0V 0.3V T:2.0V Final AMP ANT SW PLL_CLK DC AMP(CV) 2SC5636 RF AMP 1.5k 10 DATA 270p T/R SW Q208 XFIN D4,D7 RX-VCO 3.0V PLL_DAT C201...
  • Page 46 X57-8310-10 D704,705 MB15E03SL-E1 HSC277 2SC5636 136MHz~ DOUBLER 174MHz PLL_LE PLL_DAT 174.85MHz~212.85MHz (RX) PLL_CLK 136MHz~174MHz (TX) D201,D202 RN142S Q6 MCH3914(7)-H PLL_LD D14,D15 Q201 Q206 Q208 D203,D204 HVC131 D3,D5,D8,D9 1SV323F 2SC5636 2SC5636 HSC277 2SC5455-A RD01MUS1-T113 RD07MUS2BT112 PLL_PS TX/RX BUFF AMP RF AMP PRE-DRIVE DRIVE AMP FINAL AMP...

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