Kenwood TK-980 Service Manual
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Kenwood TK-980 Service Manual

800mhz/900mhz fm transceiver
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See also: Service Manual , Instruction Manual
800MHz/900MHz FM TRANSCEIVER
TK-980/981
SERVICE MANUAL
SUPPLEMENT IV
This service manual has been revised due to the modifi cation of the LCD ASSY and issues it as a supplemental manual.
This service manual applies to products with B2600001 (TK-980), B2700001 (TK-981) or subsequent serial numbers.
Refer to the TK-980/981 series service manual for any information which has not been covered in this manual.
Photo is TK-980/981 K type.
General .................................................................. 2
Disassembly For Repair ................................... 3
Parts List ............................................................... 4
Exploded View .................................................... 12
This product complies with the RoHS directive for the European market.
Microphone
(T91-0621-35):TK-980/981(K)
(T91-0624-65):TK-980(M)
Cabinet (Upper)
(A01-2165-33)
Key top
(K29-5284-22)
CONTENTS
PC BOARD
Schematic Diagram .......................................... 20
© 2012-5 PRINTED IN JAPAN
B53-7028-00 ( Y ) PDF
Panel assy
(A62-0642-13):TK-980(M)
(A62-0991-13):TK-980/981(K)
Pll/Vco Unit (X58-4530-Xx) .......................... 13
Tx-Rx Unit (X57-6520-Xx) (A/2) ...................... 14
Tx-Rx Unit (X57-6520-Xx) (B/2) ...................... 18
This product uses Lead Free solder.

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  • Page 1 This service manual has been revised due to the modifi cation of the LCD ASSY and issues it as a supplemental manual. This service manual applies to products with B2600001 (TK-980), B2700001 (TK-981) or subsequent serial numbers. Refer to the TK-980/981 series service manual for any information which has not been covered in this manual. Microphone...

  • 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: Disassembly For Repair

    Compatibility information The LCD ASSY (B38-0896-15) has been discontinued by the supplier. A new LCD ASSY (B38-0949-05) has been applied to the X57-6520-XX production. TK-980 K, M / TK-981 K TX-RX UNIT(X57-6520-XX) TX-RX UNIT: X57-6520-10/ -11 TX-RX UNIT: X57-6520-12/ -13 (TK-980: S/No.B25xxxxx and earlier,...

  • Page 4: Parts List

    Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation TK-980 / 981 TX-RX UNIT (X57-6520-XX) -12 : TK-980 -13 : TK-981 D511 B30-2151-05 LED(RED/GREEN) A01-2165-33 METALLIC CABINET(UPPER) A01-2166-33 METALLIC CABINET(LOWER) D512-517 B30-2171-05 A62-0642-13...
  • Page 5 CHIP C 0.10UF C262 CE32BD1E470M CHIP EL 47UF 25WV C158,159 CC73GCH1H040C CHIP C 4.0PF C263 CK73GB1H102K CHIP C 1000PF C160 CK73GB1C104K CHIP C 0.10UF C264 CK73GB1C104K CHIP C 0.10UF C161 CC73GCH1H101J CHIP C 100PF K2: TK-980(K) M: TK-980(M) K3: TK-981(K)
  • Page 6 CC73GCH1H101J CHIP C 100PF C571 CK73GB1H102K CHIP C 1000PF C456 CK73GB1H102K CHIP C 1000PF C572 CK73FB1H563K CHIP C 0.056UF C457 CK73GB1C104K CHIP C 0.10UF C574 CK73GB1C104K CHIP C 0.10UF C458,459 CC73GCH1H101J CHIP C 100PF K2: TK-980(K) M: TK-980(M) K3: TK-981(K)
  • Page 7 RK73GB2A333J CHIP R 1/10W E41-1682-05 PIN ASSY(2P) RK73GB2A000J CHIP R 1/10W E40-6804-05 FLAT CABLE CONNECTOR(33P) RK73GB2A153J CHIP R 1/10W CN501 E40-6452-05 FLAT CABLE CONNECTOR(10P) RK73GB2A104J CHIP R 100K 1/10W CN502 E40-6804-05 FLAT CABLE CONNECTOR(33P) K2: TK-980(K) M: TK-980(M) K3: TK-981(K)
  • Page 8 RK73GB2A5R6J CHIP R 1/10W RK73GB2A181J CHIP R 1/10W R214 RK73GB2A221J CHIP R 1/10W RK73GB2A331J CHIP R 1/10W K2,M R217 RK73GB2A101J CHIP R 1/10W R97 ,98 RK73GB2A473J CHIP R 1/10W R218 RK73GB2A473J CHIP R 1/10W K2: TK-980(K) M: TK-980(M) K3: TK-981(K)
  • Page 9 1/10W R612 RK73GB2A274J CHIP R 270K 1/10W K2,M R513 RK73GB2A000J CHIP R 1/10W R614 RK73GB2A000J CHIP R 1/10W R515 RN73GH1J913D CHIP R 1/16W R616 RK73GB2A473J CHIP R 1/10W R516 RK73GB2A102J CHIP R 1.0K 1/10W K2: TK-980(K) M: TK-980(M) K3: TK-981(K)
  • Page 10 LTC014EEBFS8 TRANSISTOR D508,509 MA3J742 DIODE LTA014EEBFS8 TRANSISTOR D510 HSC119 DIODE LTC014EEBFS8 TRANSISTOR 2SK1824-A LTC044EEBFS8 TRANSISTOR K2: TK-980(K) M: TK-980(M) K3: TK-981(K) If a part reference number is listed in a shaded box, that part does not come with the PCB.
  • Page 11 CHIP C 0.75PF TC100 C05-0384-05 CERAMIC TRIMMER CAPACITOR(10P) CN100 E40-5699-05 PIN ASSY(7P) F10-2279-04 SHIELDING CASE F12-0492-04 SHIELDING SHEET L100,101 L41-1595-33 SMALL FIXED INDUCTOR(1.5UH) L102 L41-1075-47 SMALL FIXED INDUCTOR(10NH) L102 L41-1275-47 SMALL FIXED INDUCTOR(12NH) K2,M K2: TK-980(K) M: TK-980(M) K3: TK-981(K)

  • Page 12: Exploded View

    TK-980/981 EXPLODED VIEW 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. These parts must be ordered separately.
  • Page 13 TK-980/981 TK-980/981 PC BOARD PC BOARD PLL/VCO (X58-4530-XX) -10 : TK-980 -11 : TK-981 Component side view (J79-0285-09) J79-0285-09 CN100 Component side Layer 1 Layer 2 Foil side PLL/VCO (X58-4530-XX) -10 : TK-980 -11 : TK-981 Foil side view (J79-0285-09) Ref.
  • Page 14 TK-980/981 PC BOARD TX-RX UNIT : TX-RX SECTION (X57-6520-XX) (A/2) -12 : TK-980 -13 : TK-981 Component side view (J79-0294-09 A/2) L224 C273 L221 L229 L222 L220 R255 R256 L223 C128 C129 C124 C125 R135 R184 R424 L230 Q400 L313...
  • Page 15 TK-980/981 PC BOARD TX-RX UNIT : TX-RX SECTION (X57-6520-XX) (A/2) -12 : TK-980 -13 : TK-981 Component side view (J79-0294-09 A/2) Ref. No. Address EXT. SP IC10 IC11 IC14 IC17 IC450 R183 R127 C131 Q205 Q300 Q301 Q302 Q400 D401...
  • Page 16 TK-980/981 PC BOARD IC400 TX-RX UNIT : TX-RX SECTION (X57-6520-XX) (A/2) -12 : TK-980 -13 : TK-981 Foil side view (J79-0294-09 A/2) R181 R182 R260 R101 R102 C195 C105 C106 R248 C197 R249 R252 C196 C198 C255 C143 R109 IC13...
  • Page 17 TK-980/981 PC BOARD Ref. No. Address IC400 TX-RX UNIT : TX-RX SECTION (X57-6520-XX) (A/2) -12 : TK-980 -13 : TK-981 Foil side view (J79-0294-09 A/2) IC12 IC13 IC15 IC16 IC400 C265 D208 C267 R252 C276 C252 C328 C271 R239 D209...
  • Page 18 TK-980/981 PC BOARD TX-RX UNIT : CONTROL SECTION (X57-6520-XX)(B/2) -12 : TK-980 -13 : TK-981 Component side view (J79-0294-09 B/2) D512 C527 C518 R526 R525 IC502 IC501 R531 R502 R507 C513 C506 C510 R523 R508 D509 Q511 D510 C511 C714...
  • Page 19 TK-980/981 PC BOARD TX-RX UNIT : CONTROL SECTION (X57-6520-XX)(B/2) -12 : TK-980 -13 : TK-981 Component side view (J79-0294-09 B/2) D517 C583 C518 L507 R682 C524 R572 C592 IC508 R531 R523 IC510 C714 IC509 R612 C593 D520 D516 D515 Component side Ref No.

  • Page 20: Schematic Diagram

    TK-980/981 SCHEMATIC DIAGRAM TX-RX UNIT : TX-RX SECTION(X57-6520-XX) (A/2) C320 C322 D401 1SS360-F R319 IC450 LMX2352TMX/NP 2SA1832(GR)F C447 Q400 R316 IF_EN RF_EN C460 1000p R428 100 Fo/LD CLoCK R318 0.01u C449 56p R417 100 DATA oSCIN Q301 R418 100 C448 0.01u...
  • Page 21 TK-980/981 SCHEMATIC DIAGRAM TX-RX UNIT : TX-RX SECTION(X57-6520-XX) (A/2) A1 X58-4530-XX SUB UNIT R103 C104 R114 CN100 BUFFER AMP. C115 C109 2SC4226-A(R24) Q100 2SC4226-A(R24) DOUBLER BUFFER AMP Q102 2SC4226-A(R24) VCO MODULATION R102 R101 C113 Q101 L100 C101 R113 C118 2SK508NV(K52)
  • Page 22 TK-980/981 SCHEMATIC DIAGRAM TX-RX UNIT : TX-RX SECTION(X57-6520-XX) (A/2) RF AMP. C330 R258 RF AMP. Q202 RF SW 2SC3356-A(R24) C249 C404 C405 C234 C401 C235 C402 C403 2p(B) 2p(B) C275 Q204 2p(B) 2p(B) 2p(B) 2p(B) HVC131 2SK2596-E R:0V 0.22u35 T:9.53V C274 R:-0.36V...
  • Page 23 TK-980/981 SCHEMATIC DIAGRAM IC400 POWER MODULE TX-RX UNIT : TX-RX SECTION(X57-6520-XX) (A/2) R247 C268 L221 3.5T C267 L229 D208 C269 L709CER-T RF SW R183 0.22 2 R:13.58V R103 R127 T:12.46V 0.22 2 CURRENT IC13 DETECTOR SW NJM2904E-ZB LTA044EUBFS8 AOUT PRE CURRENT...
  • Page 24 TK-980/981 SCHEMATIC DIAGRAM X57-6520-XX(B/2) TA75 TC75W51FU X57-6520-XX (B/2) Q510 C593 R612 R645 C594 C595 C596 C597 R571 R624 R684 0.01u TK-980 2SC4725 0.047u 2.2k 1.8k 270k TK-981 0.022u 220k X57-652(B/2) 1/4...
  • Page 25 TK-980/981 SCHEMATIC DIAGRAM X57-6520-XX(B/2) MA3J742 TA75W558FU-F TA75W558FU-F MINISMDC07502F TA75S01F-F TC75W51FUF TC35453FG6 MA3J742 LTC044EEBFS8 LTC044EEBFS8 X57-652(B/2) 2/4...
  • Page 26 TK-980/981 SCHEMATIC DIAGRAM TX-RX UNIT : CONTROL SECTION(X57-6520-XX) (B/2) LTC014EEBFS8 2SC2873(Y)F TA78L05FF LTC014EEBFS8 02DZ9.1F-X,Y AT29C02090TU 30622MEP599GU C729 0.01u R3111H421C-FE DA2S101 LTC044EEBFS8 X57-652(B/2) 3/4...
  • Page 27 TK-980/981 SCHEMATIC DIAGRAM 2SC2873(Y)F TX-RX UNIT : CONTROL SECTION(X57-6520-XX) (B/2) F-X,Y 30622MEP599GU AT24C08BN-SH • Note : The components marked with a dot ( ) are parts of layer 1. X57-652(B/2) 4/4...
  • Page 28 TK-980/981...
  • Page 29 PC BOARD PC BOARD TX-RX UNIT : TX-RX SECTION (X57-6520-XX) (A/2) TX-RX UNIT : TX-RX SECTION (X57-6520-XX) (A/2) -12 : TK-980 -13 : TK-981 -12 : TK-980 -13 : TK-981 Component side view Component side view (J79-0294-09 A/2) (J79-0294-09 A/2) Ref.
  • Page 30 Ref. No. Address IC400 TX-RX UNIT : TX-RX SECTION TX-RX UNIT : TX-RX SECTION (X57-6520-XX) (A/2) (X57-6520-XX) (A/2) -12 : TK-980 -13 : TK-981 -12 : TK-980 -13 : TK-981 Foil side view (J79-0294-09 A/2) Foil side view (J79-0294-09 A/2) IC12...
  • Page 31 TK-980/981 TK-980/981 PC BOARD PC BOARD TX-RX UNIT : CONTROL SECTION (X57-6520-XX)(B/2) -12 : TK-980 -13 : TK-981 TX-RX UNIT : CONTROL SECTION (X57-6520-XX)(B/2) -12 : TK-980 -13 : TK-981 Component side view (J79-0294-09 B/2) Component side view (J79-0294-09 B/2)
  • Page 32 X57-6520-XX (A/2) L206 L223 R248 R249 C176 C178 C179 C210 C255 C266 C268 C273 C465 C470 C107 IC400 L222 L230 L231 TK-980 2.5p 6.8u10 6.8u10 0.68u20 TK-980 1.5p 0.5p 1000p TK-980 X58-4530-10 3.9k 10u10 7p(B) TK-980 L71-0525-05 L72-0998-05 1.5p(B) 4.7u20 TK-980 RA20H8087M 8.2n...
  • Page 33 TK-980/981 SCHEMATIC DIAGRAM X57-6520-XX(B/2) MA3J742 TA75W558FU-F TA75W558FU-F LTC014EEBFS8 2SC2873(Y)F TA78L05FF LTC014EEBFS8 02DZ9.1F-X,Y MINISMDC07502F AT29C02090TU TA75S01F-F TC75W51FUF 30622MEP599GU TC35453FG6 MA3J742 C729 0.01u AT24C08BN-SH R3111H421C-FE DA2S101 X57-6520-XX (B/2) Q510 C593 C594 C595 C596 C597 R571 R612 R624 R645 R684 TK-980 2SC4725 0.047u 0.01u...

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Tk-981

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