Kenwood TK-2170 Service Manual Supplement
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Kenwood TK-2170 Service Manual Supplement

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Document Copyrights
Copyright 2006 by Kenwood Corporation. All rights reserved.
No part of this manual may be reproduced, translated, distributed, or transmitted in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, for
any purpose without the prior written permission of Kenwood.
Disclaimer
While every precaution has been taken in the preparation of this manual, 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.

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Summary of Contents for Kenwood TK-2170

  • Page 1 Kenwood. Disclaimer While every precaution has been taken in the preparation of this manual, 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...

  • Page 2: Table Of Contents

    VHF FM TRANSCEIVER TK-2170 SERVICE MANUAL SUPPLEMENT E,E3 versions © 2006-8 PRINTED IN JAPAN B51-8764-00 ( N ) 279 TK-2170 E TK-2170 E3 Knob (Selector) (K29-9340-13) Knob (Volume) (K29-9278-13) Badge (B43-1178-14) Knob (PTT) Packing (K29-9339-03) (G53-1651-01) Key top (Side) (K29-9341-03)

  • Page 3: General

    SERVICE MANUAL LIST Title Part number Remarks Market code TX-RX unit number X57-7002-71 TK-2170 B51-8737-00 J72-0963-19 X57-7002-71,72 TK-2170 SUPPLEMENT B51-8764-00 This service manual E,E3 J79-0083-09 SYSTEM SET-UP Merchandise received Frequency range (MHz) RF power Type Choose the type of transceiver...

  • Page 4: Parts List

    Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y : AAFES (Europe) X : Australia M : Other Areas Teile ohne Parts No. werden nicht geliefert. TK-2170 (Y50-5852-XX) TX-RX UNIT (X57-7002-XX) Desti- Desti- Ref. No. Address Parts No.
  • Page 5 TK-2170 PARTS LIST TX-RX UNIT (X57-7002-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation CK73HB1A104K CHIP C 0.10UF C136 CK73HB1H561K CHIP C 560PF CC73HCH1H010C CHIP C 1.0PF C137 CK73HB1H102K CHIP C...
  • Page 6 TK-2170 PARTS LIST TX-RX UNIT (X57-7002-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C517 CK73HB1C103K CHIP C 0.010UF C622 CK73HB1H102K CHIP C 1000PF C518 CK73HB1H102K CHIP C 1000PF C625...
  • Page 7 TK-2170 PARTS LIST TX-RX UNIT (X57-7002-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C734,735 CK73HB1H102K CHIP C 1000PF L2-9 L92-0138-05 CHIP FERRITE C736 CC73HCH1H120G CHIP C 12PF L92-0140-05 CHIP FERRITE...
  • Page 8 TK-2170 PARTS LIST TX-RX UNIT (X57-7002-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation CP3,4 RK75HA1J102J CHIP-COM 1.0K 1/16W RK73HB1J472J CHIP R 4.7K 1/16W RK74HB1J102J CHIP-COM 1.0K 1/16W RK73GB2A181J CHIP R...
  • Page 9 TK-2170 PARTS LIST TX-RX UNIT (X57-7002-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R153 RK73HB1J332J CHIP R 3.3K 1/16W R241 RK73HB1J473J CHIP R 1/16W R154 RK73HB1J393J CHIP R 1/16W...
  • Page 10 TK-2170 PARTS LIST TX-RX UNIT (X57-7002-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R618 RK73HB1J101J CHIP R 1/16W R751 RK73HB1J000J CHIP R 1/16W R619 RK73HB1J103J CHIP R 1/16W R752,753...
  • Page 11 TK-2170 PARTS LIST TX-RX UNIT (X57-7002-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation UMG3N TRANSISTOR ✽ UPA672T-A DTA114EE DIGITAL TRANSISTOR SSM6J08FU(F) 2SC4617(S) TRANSISTOR 2SB1132(Q,R) TRANSISTOR ✽ Q14,15 SSM3K15TE(F) 2SA1774(S)

  • Page 12: Exploded View

    TK-2170 EXPLODED VIEW 701x2 RF UNT TX-RX unit (D/4) SHIELDING PLATE TX-RX unit (A/4) TX-RX unit (B/4) TX-RX unit (C/4) : N09-2438-05 : N14-0805-04 : N14-0833-04 D M2.6 x 10 : N30-2610-48 M3 x 6 BLK : N30-3006-43 M2 x 3...

  • Page 13: Packing

    TK-2170 PACKING 48 Item carton case (H52-2066-02) 53 Hook (J29-0701-15) 6 Cap (B09-0686-03) 46 Packing fixture (H12-4210-02) 51 Holder (J19-5483-23) 17 Instruction manual (B62-1812-10) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 14: Adjustment

    TK-2170 ADJUSTMENT • LCD display in panel test mode Controls Selector Selector – Volume Volume N : Narrow Signaling No. W : Wide 5k Channel No. S : Wide 4k ■ Frequency and Signaling The set has been adjusted for the frequencies shown in the following table.
  • Page 15 TK-2170 ADJUSTMENT ■ 3 or 5 reference level adjustments frequency Panel Tuning Mode ■ Preparations for tuning the transceiver Tuning point RX (MHz) TX (MHz) Before attempting to tune the transceiver, connect the 136.05000 136.10000 unit to a suitable power supply.
  • Page 16 TK-2170 ADJUSTMENT ■ Flow chart Frequency 5 reference level High power adjustments 3 reference level Low power adjustments 3 reference level DQT balance Narrow adjustments [Side2] [Side2] [Side2] Max deviation Narrow Max deviation Wide 4k Max deviation Wide 5k 3 reference level...
  • Page 17 Refer to page 22 for details. nut, use a recommendation tool. KENWOOD part No. : W05-1123-00 Note : When using the battery jig, you must measure the voltage at the terminals of the battery jig. Otherwise, a slight...
  • Page 18 TK-2170 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 ±...
  • Page 19 TK-2170 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 6. DQT balance 1) Adj item : [BAL_ _] Panel Panel Selector Make the demodu- These 2 peaks to adjust Adjust : [✳✳✳.] knob lation waves into...
  • Page 20 TK-2170 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 40Hz 12. DQT 1) Adj item : [DQT_ _] Power meter Panel Panel Selector 0.35kHz deviation Adjust : [✳✳✳.] knob adjust Deviation meter filter Deviation...
  • Page 21 TK-2170 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 16. BATT 1) Adj item : [BATT_] Power meter Panel Panel After pressing the BATT terminal voltage : 5.9V detection Adjust : [✳✳✳] PTT switch, confirm...
  • Page 22 TK-2170 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 4. Low RSSI 1) Adj item : [LRSSI] Panel Panel Selector After input signal adjust Adjust : [✳✳✳.] knob from SSG, press [B] • Narrow SSG output : –118dBm (0.28µV) AF VTVM SP/MIC key.

  • Page 23: Pc Board

    TK-2170 PC BOARD TX-RX UNIT (X57-7002-XX) (A/4) -71 : E -72 : E3 Component side view (J79-0083-09 A/4) Ref. No. Address Component side IC501 Layer 1 IC601 Layer 2 IC701 Layer 3 L619 Layer 4 Q501 Layer 5 Q605 Layer 6...

  • Page 24: Tx-Rx Unit (X57-7002-Xx) (B,C,D/4)

    TK-2170 PC BOARD TX-RX UNIT (X57-7002-XX) (A/4) -71 : E -72 : E3 Foil side view (J79-0083-09 A/4) Ref. No. Address Ref. No. Address Component side Q502 D509 Layer 1 Q503 D510 Layer 2 Q504 D511 Layer 3 Q505 D513...
  • Page 25 TK-2170 PC BOARD Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address IC17 Component side IC18 Layer 1 IC11 IC19 Layer 2 IC12 Layer 3 IC13 Layer 4 IC14 Layer 5 IC15 Layer 6...
  • Page 26 TK-2170 PC BOARD TX-RX UNIT (X57-7002-XX) (C/4) -71 : E -72 : E3 Component side view (J79-0083-09 C/4) J79-0083-09 C/4 TX-RX UNIT (X57-7002-XX) (B/4) -71 : E -72 : E3 Component side view (J79-0083-09 B/4) COM4 CP13 CP18 CP24 COM3...
  • Page 27 TK-2170 TK-2170 PC BOARD PC BOARD TX-RX UNIT (X57-7002-XX) (C/4) -71 : E -72 : E3 Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Component side view (J79-0083-09 C/4) IC17 Component side J79-0083-09 C/4...
  • Page 28 TK-2170 PC BOARD TX-RX UNIT (X57-7002-XX) (C/4) -71 : E -72 : E3 Foil side view (J79-0083-09 C/4) J79-0083-09 C/4 CN71 TX-RX UNIT (X57-7002-XX) (B/4) -71 : E -72 : E3 Foil side view (J79-0083-09 B/4) CP47 CP48 CP49 CP45...
  • Page 29 TK-2170 PC BOARD Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Component side Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 IC10 Foil side TX-RX UNIT (X57-7002-XX) (B/4) -71 : E -72 : E3...
  • Page 30 TK-2170 TK-2170 PC BOARD PC BOARD TX-RX UNIT (X57-7002-XX) (C/4) -71 : E -72 : E3 Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Foil side view (J79-0083-09 C/4) Component side J79-0083-09 C/4 Layer 1 Layer 2...

  • Page 31: Schematic Diagram

    TK-2170 SCHEMATIC DIAGRAM TX-RX UNIT : CONTROL SECTION (X57-700X-XX) (B/4) BATT E40-6519-05 BATSEL R31-0624-05 toCPU W02-1969-15 7.5V PTT BORAD VOLIN (X57-700X-XX) (C/4) S70-0424-05 S70-0457-05 E40-6568-05 SIDE1 S70-0424-05 SIDE1 SIDE2 SIDE2 POWER ON:5V OFF:0V S70-0424-05 CN71 E40-6568-X5 7.5V RB521S-30 XC6204B502PR 5R PROTECT...
  • Page 32 TK-2170 SCHEMATIC DIAGRAM TX-RX UNIT (X57-700X-XX) (B/4) B38-0901-05 4KEY BOARD (X57-700X-XX) (D/4) VOLIN VOLIN D24-27 KEY4O SFTOE KEY3O RESET KEY2O INPUT LEDR DETECT LEDG KEY1O KEY1I MA2S111-F KEY2I MA2S111-F KEY3I MA2S111-F CP32 KEY4I COM3 1k*4 MA2S111-F COM4 1000p NARROW WIDE...
  • Page 33 TK-2170 SCHEMATIC DIAGRAM TX-RX UNIT (X57-700X-XX) (B/4) OPTDET DACCLK DACLD BEEP SHIFT/MODEL XOUT DACDAT HSDIN LSDOUT HSDO 1200p VOLIN MDSW SFTOE RESET LEDR LEDG 1000p CP19 EEPDAT 47k*2 EEPCL CP3 1k*2 KEY1 VCC1 AVCC VREF LSDIN DGND LSDIN 1000p DACCLK...
  • Page 34 TK-2170 SCHEMATIC DIAGRAM TX-RX UNIT (X57-700X-XX) (B/4) OPTDET OPTDET DACCLK DACCLK DACLD DACLD BEEP SHIFT/MODEL XOUT DACDAT DACDAT HSDIN HSDIN LSDOUT HSDO R103 0.015u EXTLIMIN LSD FILTER CPU CLOCK 0.1u C130 IC11 SHIFT SW TK62012F MDSW AF SW EEPROM SPLI...
  • Page 35 TK-2170 SCHEMATIC DIAGRAM TX-RX UNIT (X57-700X-XX) (B/4) OPTDET OPTDET DACCLK DACCLK DACLD DACLD DACDAT DACDAT EXTLIMIN AF SW SPLO RN4910(F) R165 C134 R156 R164 C135 330k 150k 0.1u 180k R157 330k C118 0.1u C131 4.7u C100 4.7u 820p C102 0.01u...
  • Page 36 TK-2170 SCHEMATIC DIAGRAM TX-RX UNIT (X57-700X-XX) (B/4) DACCLK DACLD R224 100k DACDAT C175 0.01u RX BPF TUNNE R116 VOLTAGE AMP R189 VIN1 VIN8 IC19 TC75S51FE(F) R190 VOUT1 VOUT8 R230 VOUT2 VOUT7 IC17 TK62012F VIN2 VIN7 R199 R177 RESET R178 C177 0.1u...
  • Page 37 TK-2170 SCHEMATIC DIAGRAM TX-RX UNIT (X57-700X-XX) (A/4) PRE-DRIVE AMP RF AMP Q602 (COMMON) TX RF SW 2SK3077F Q507 C579 R923 D516 C601 R602 C611 2.1V 2SC5488 C576 R537 C581 1000p HSC277 1000p 1.4V T:0.9V(Hi) 0.75V(Lo) R:0V F901 T:2.5V(Hi) F53-0324-05 L901 LOCAL 2.1V(Lo)
  • Page 38 TK-2170 SCHEMATIC DIAGRAM TX-RX UNIT (X57-700X-XX) (A/4) D604 L616 L618 L617 D604,605 TX DRIVE AMP SURGE RF FINAL AMP HVC131 ANT SW ABSORBER Q604 D605 Q603 L610 L612 C670 C676 C679 C681 C683 L613 2SK2595-E RD01MUS1-T113 HVC131 1000p C617 L604...
  • Page 39 TX-RX UNIT : CONTROL SECTION (X57-700X-XX) (B/4) B38-0901-05 TX-RX UNIT (X57-700X-XX) (A/4) 4KEY BOARD (X57-700X-XX) (D/4) D604 L616 L617 L618 BATT TX DRIVE AMP SURGE D604,605 RF AMP PRE-DRIVE AMP Q602 RF FINAL AMP ABSORBER ANT SW HVC131 E40-6519-05 (COMMON) TX RF SW 2SK3077F RD01MUS1-T113...

  • Page 40: Block Diagram

    TK-2170 BLOCK DIAGRAM MAIN BOARD RF BOARD X57-700 (B/4) X57-700 (A/4) SIDE KEY Q501 B30-2278-05 2SC5488 DOUBLER Q502 UPA672T-A 2SK508NV(K52) D504,505,506,50 CONTROL CIRCUIT 1SV325Fx4 TUNE D513 1SV278F LEDG,LEDR D502,503,512 2SC4617(S) HSC277x3 D501 2SB1132(Q,R) PLE,PDAT, HSC277 PCLK LOOP TX,RX PTT BOARD...
  • Page 41 TK-2170 BLOCK DIAGRAM Q502 K508NV(K52) D610 4,505,506,507 SV325Fx4 AVRM1608270MAB D513 VARISTOR 1SV278F D516,519 Q602 D604,605,606,608 Q506 Q603 Q604 Q507 HSC277x2 HVC131x4 2SC5488 2SK3077F RD01MUS1 2SK2595-E 2SC5488 BUFFER TX/RX PRE-DRIVE DRIVE RF FINAL SWITCH D601 UDZS4.7B L616,617,618 Q505 5T,5R ZENER 2SC4617(S)
  • Page 42 MAIN BOARD RF BOARD X57-700 (B/4) X57-700 (A/4) SIDE KEY Q501 B30-2278-05 2SC5488 DOUBLER Q502 UPA672T-A 2SK508NV(K52) D610 D504,505,506,507 CONTROL CIRCUIT 1SV325Fx4 AVRM1608270MAB TUNE D513 VARISTOR 1SV278F LEDG,LEDR D502,503,512 2SC4617(S) HSC277x3 D516,519 Q602 D604,605,606,608 2SB1132(Q,R) D501 Q506 Q507 Q603 Q604 PLE,PDAT, HVC131x4 HSC277...

  • Page 43: Specifications

    Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex Kwai Fong, N.T., Hong Kong KENWOOD House, Dwight Road, Watford, Herts., 1 Ang Mo Kio Street 63, Singapore 569110 WD18 9EB United Kingdom...

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