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Kenwood TK-868G Service Manual
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Kenwood TK-868G Service Manual

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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.
文档版权信息
Kenwood Corporation 拥有版权 2006 。保留所有权利。
未经 Kenwood 公司预先书面同意，无论出于何种目的，均不得以任何形式或任何方式包
括电子、机械、影印、录音或其他方式复制、翻译、分发或传播本手册的任何部分。
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Summary of Contents for Kenwood TK-868G

  • 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 the right to make changes to any products herein at any time for improvement purposes.

  • Page 2: Table Of Contents

    8 channels / 8 This supplement edition service manual provides revisions (schematic, printed board figure, and bill of material) only for the M type of the TK-868G M, M3 version manual (B51- 8502-00). Refer to the TK-868G manual (B51-8502-00) for M version all other details.

  • Page 3: 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-868G (M) DISPLAY UNIT (X54-3280-10), TX-RX UNIT (X57-5963-02) Desti- Desti- Ref. No.
  • Page 4 TK-868G PARTS LIST / TX-RX UNIT (X57-5963-02) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C92-0561-05 CHIP-ELE 22UF 16WV C121 CK73GB1H471K CHIP C 470PF CK73GB1H102K CHIP C 1000PF C122,123 CK73GB1C104K CHIP C 0.10UF...
  • Page 5 TK-868G PARTS LIST / TX-RX UNIT (X57-5963-02) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C208 CC73GCH1H050C CHIP C 5.0PF C528 CK73GB1H103K CHIP C 0.010UF C209 CC73FCH1H050C CHIP C 5.0PF...
  • Page 6 TK-868G PARTS LIST / TX-RX UNIT (X57-5963-02) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C620 CK73GB1H471K CHIP C 470PF X502 L78-1418-05 RESONATOR (9.8304M) C621 CK73GB1H102K CHIP C 1000PF L71-0551-45 MCF (49.95MHZ)
  • Page 7 TK-868G PARTS LIST / TX-RX UNIT (X57-5963-02) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation RK73GB2A224J CHIP R 220K 1/10W R133-136 RK73GB2A000J CHIP R 1/10W RK73GB2A154J CHIP R 150K 1/10W...
  • Page 8 TK-868G PARTS LIST / TX-RX UNIT (X57-5963-02) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R504-507 RK73GB2A473J CHIP R 1/10W R577 RK73GB2A103J CHIP R 1/10W R508-510 RK73GB2A000J CHIP R 1/10W...

  • Page 9: Pll/Vco (X58-4670-17)

    TK-868G PARTS LIST / TX-RX UNIT (X57-5963-02) PLL/VCO (X58-4670-17) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation 02DZ15(X,Y) ZENER DIODE 3SK255 ZSH5MA27 SURGE ABSORBER DTC114EKA DIGITAL TRANSISTOR DSA3A1-FK DIODE DTC363EU...
  • Page 10 TK-868G PARTS LIST / PLL/VCO (X58-4670-17) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation ✽ L101-104 L41-1595-33 SMALL FIXED INDUCTOR (1.5UH) ✽ L105 L41-3975-33 SMALL FIXED INDUCTOR (0.039UH) ✽ L106 L41-2775-33 SMALL FIXED INDUCTOR (0.027UH)
  • Page 11 TK-868G 板 PC BOARD / PC DISPLAY UNIT (X54-3280-10) DISPLAY UNIT (X54-3280-10) Component side view (J72-0684-02) Foil side view (J72-0684-02) R803 R805 R813 R814 C801 C806 C808 C812 Q804 R815 R816 R810 R809 CN801 LCDCS CNTCK CNTDT L801 R801 C802...
  • Page 12 TK-868G 板 PC BOARD / PC PLL/VCO (X58-4670-17) Component side view (J72-0676-02) J72-0676-02 CN101 (ST) Component side Layer 1 Layer 2 Foil side PLL/VCO (X58-4670-17) Foil side view (J72-0676-02) Ref. No. Address Q101 Q102 L115 Q103 Q104 C116 L104 C105...
  • Page 13 TK-868G 板 PC BOARD / PC TX-RX UNIT (X57-5963-02) (A/2) Component side view (J72-0988-09 A/2) C198 C285 R177 C225 R200 A1: X58-4670-17 C131 IC11 RX (ST) C270 C117 C266 R197 CF1 (G J72-0988-09 A/2...

  • Page 14: Tx-Rx Unit (X57-5963-02) (A/2)

    TK-868G 板 PC BOARD / PC TX-RX UNIT (X57-5963-02) (A/2) Component side view (J72-0988-09 A/2) Ref. No. Address EXT. SP IC11 IC12 IC13 PA/LI C161 R131 C160 C103 C144 RSSI R243 HOR 1 CF1 (G) R242 AM 1 C298 R201...
  • Page 15 TK-868G TK-868G 板 板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-5963-02) (A/2) TX-RX UNIT (X57-5963-02) (A/2) Component side view (J72-0988-09 A/2) Component side view (J72-0988-09 A/2) Ref. No. Address EXT. SP C198 C285 IC11 R177 IC12...
  • Page 16 TK-868G 板 PC BOARD / PC TX-RX UNIT (X57-5963-02) (A/2) Foil side view (J72-0988-09 A/2) C190 R160 R151 C189 R141 C162 C241 R132 R123 C156 C148 C143 R129 C158 R130 R186 R118 R133 R134 R126 R138 C116 R146 R142 C129...
  • Page 17 TK-868G 板 PC BOARD / PC Ref. No. Address IC400 TX-RX UNIT (X57-5963-02) (A/2) IC10 Foil side view (J72-0988-09 A/2) IC14 IC15 IC400 C213 C251 C229 C227 R172 C199 R176 C219 C217 C223 IC15 R219 R173 C224 C220 R179 C112...
  • Page 18 TK-868G TK-868G 板 板 PC BOARD / PC PC BOARD / PC Ref. No. Address IC400 TX-RX UNIT (X57-5963-02) (A/2) TX-RX UNIT (X57-5963-02) (A/2) IC10 Foil side view (J72-0988-09 A/2) Foil side view (J72-0988-09 A/2) IC14 IC15 IC400 C213 C190...
  • Page 19 TK-868G 板 PC BOARD / PC TX-RX UNIT (X57-5963-02) (B/2) Component side view (J72-0988-09 B/2) J72-0988-09 B/2 D512 R566 C543 C632 R567 R560 C542 R561 IC507 R533 C525 C537 R564 R543 IC513 R563 C541 R562 C527 C528 IC514 R547 C531...
  • Page 20 TK-868G 板 PC BOARD / PC TX-RX UNIT (X57-5963-02) (B/2) Component side view (J72-0988-09 B/2) D511 L501 C501 IC510 C517 R517 R505 R535 R520 R521 R542 R544 D506 C505 R512 D510 D509 Component side Layer 1 Layer 2 Layer 3...
  • Page 21 TK-868G TK-868G 板 板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-5963-02) (B/2) Component side view (J72-0988-09 B/2) TX-RX UNIT (X57-5963-02) (B/2) Component side view (J72-0988-09 B/2) J72-0988-09 B/2 D511 D512 R566 C543 C632 L501 R567 R560...

  • Page 22: Schematic Diagram

    TK-868G SCHEMATIC DIAGRAM / DISPLAY UNIT (X54-3280-10) 13.52V DC SW DC SW DC SW DC SW DC SW Q801 Q802 Q803 Q805 Q804 DTA114EKA DTA114EKA DTA114EKA DTA114EKA KRA225S LCD DRIVER IC801 LC75833W 13.51V 13.5V 13.5V 13.5V 13.5V CN801 E40-6020-05 COM1...
  • Page 23 TK-868G SCHEMATIC DIAGRAM / CONTROL UNIT (X57-5963-02) (B/2) D529 RB706F-40 R531 R533 R540 R539 560k 560k LIMITER C523 120p AMPLIFIER IC507 AMPLIFIER R726 1.95V NJM2904V IC513 LCDCS B+IN TA75W558FU 2.95V C538 CNTCK B-IN A+IN CNTDT OUT-A C542 330p 10u6.3 C525...
  • Page 24 TK-868G SCHEMATIC DIAGRAM / CONTROL UNIT (X57-5963-02) (B/2) D525 D527 D528 D524 CURRENT DA204U DA204U DA204U DA204U 4.69V D524,525,527,528 PROTECTION SURGE 13.53V 13.53V D526 ABSORPTION 1812L075PR J501 R607 R603 PTT/TXD R600 4.85V R599 HOOK HOOK/RXD OR GATE MIC MUTE R604 R606 4.7k...
  • Page 25 TK-868G SCHEMATIC DIAGRAM / TX-RX UNIT (X57-5963-02) (A/2) PLL SYNTHESIZER 4.84V MB15A02 L:1.97V L:2.04V L77-1992-05 C:4.60V C:4.63V 16.8MHz OSCIN VOLTAGE H:7.47V H:7.50V 1000p DROP OSCOUT 6.8k HZU5ALL FOUT 2SA1774(R) Q11,12 1.60V CHARGE R208 PUMP DATA R112 2SC4617(R) R197 DC SW...
  • Page 26 TK-868G SCHEMATIC DIAGRAM / TX-RX UNIT (X57-5963-02) (A/2) VCO UNIT (X58-4670-17) RF AMP C125 L106 2SC4093 C145 R117 1000p C105 Q101 RX OSCILLATOR C115 C122 R111 R109 D103 C104 L111 Q101 0.5p L101 R101 1SV283 2SK508NV(52K) Q106 R:0V 2SC4226(R24) 1.5u T:4.45V...
  • Page 27 TK-868G SCHEMATIC DIAGRAM / TX-RX UNIT (X57-5963-02) (A/2) RF AMP Note : The components marked IC400 2SC2954 C177 R182 RA30H4452M-31 with a dot ( • ) are parts of layer 1. POWER MODULE R:0V C192 T:5.95V R:13.55V ANT SW 0.01u T:12.96V...
  • Page 28 DISPLAY UNIT (X54-3280-10) TX-RX UNIT (X57-5963-02) (A/2) VCO UNIT (X58-4670-17) RF AMP RF AMP IC400 13.52V C125 L106 2SC2954 C177 R182 RA30H4452M-31 2SC4093 C145 DC SW DC SW DC SW DC SW DC SW D529 D524 D525 D527 D528 CURRENT 1000p R117 POWER MODULE...
  • Page 29 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...