Kenwood TK-8102H Service Manual
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Kenwood TK-8102H Service Manual

Kenwood TK-8102H Service Manual

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Download this manual See also: Service Manual, Instruction Manual
UHF FM TRANSCEIVER
TK-8102H
SERVICE MANUAL
SUPPLEMENT
Chassis
(A10-4048-11)
GENERAL .................................................. 2
PARTS LIST ............................................... 4
EXPLODED VIEW .................................... 11
PACKING ................................................. 12
ADJUSTMENT ........................................ 13
This TK-8102H service manual contains a number of sections which
differ from the service manual (B51-8611-00) for the TK-8102H.
For items other than those in this TK-8102H service manual please
refer to the service namual (B51-8611-00) for the TK-8102H.
Cabinet
Front glass
(A01-2181-01)
(B10-2668-03)
Modular jack
Key top
(E08-0877-05)
(K29-9065-01)
CONTENTS
SCHEMATIC DIAGRAM .......................... 27
BLOCK DIAGRAM ................................... 31
LEVEL DIAGRAM .................................... 33
SPECIFICATIONS .................................... 35
© 2002-2 PRINTED IN JAPAN
B51-8628-00 ( N ) 854
Panel assy
(A62-0942-03)
TX-RX UNIT (X57-6390-XX) ............... 21

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Summary of Contents for Kenwood TK-8102H

  • Page 1: Table Of Contents

    This TK-8102H service manual contains a number of sections which differ from the service manual (B51-8611-00) for the TK-8102H. For items other than those in this TK-8102H service manual please refer to the service namual (B51-8611-00) for the TK-8102H. Chassis...

  • Page 2: General

    TK-8102H GENERAL INTRODUCTION PRE-INSTALLATION CONSIDERNATIONS SCOPE OF THIS MANUAL 1. UNPACKING This manual is intended for use by experienced techni- Unpack the radio from its shipping container and check cians familiar with similar types of commercial grade com- for accessory items. If any item is missing, please contact munications equipment.
  • Page 3 Plan cable runs for protection against pinching or crush- Your KENWOOD dealer can help you select an antenna sys- ing wiring, and radio installation to prevent overheating. tem that will best serve your particular needs.

  • 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-8102H (Y51-4840-XX) DISPLAY UNIT (X54-3340-20), TX-RX UNIT (X57-6390-XX) Desti- Desti- Ref. No.
  • Page 5 TK-8102H PARTS LIST TX-RX UNIT (X57-6390-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation CC73GCH1H080B CHIP C 8.0PF C143 CK73GB1H102K CHIP C 1000PF CC73GCH1H030B CHIP C 3.0PF K2,M2 C144 CK73GB1H392K...
  • Page 6 TK-8102H PARTS LIST TX-RX UNIT (X57-6390-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C226 CK73GB1C683K CHIP C 0.068UF C367 CK73GB1H471K CHIP C 470PF K,M,K3 C228 CK73GB1H471K CHIP C 470PF...
  • Page 7 TK-8102H PARTS LIST TX-RX UNIT (X57-6390-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C841 C93-0599-05 CHIP C 470PF K2,M2 L19,20 L40-2785-92 SMALL FIXED INDUCTOR (270NH) K2,K3,M2 C842 C93-0552-05 CHIP C 2.0PF...
  • Page 8 TK-8102H PARTS LIST TX-RX UNIT (X57-6390-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation RK73GB1J102J CHIP R 1.0K 1/16W R108 RK73GB1J274J CHIP R 270K 1/16W RK73GB1J123J CHIP R 1/16W R109...
  • Page 9 TK-8102H PARTS LIST TX-RX UNIT (X57-6390-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R192 RK73GB1J562J CHIP R 5.6K 1/16W R302 RK73GB1J683J CHIP R 1/16W R194 RK73GB1J153J CHIP R 1/16W...
  • Page 10 TK-8102H PARTS LIST TX-RX UNIT (X57-6390-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation MA360 VARIABLE CAPACITANCE DIODE 2SK1824 DAN222 DIODE 2SC3356(R24) TRANSISTOR MA2S111 DIODE 2SC4617(S) TRANSISTOR MA742 DIODE 3SK255...

  • Page 11: Exploded View

    TK-8102H EXPLODED VIEW M2.6 x 8 : N67-2608-46 M2.6 x 6 (Br-Tap) : N87-2606-46 M2.6 x 14 (Br-Tap) : N87-2614-46 Bx2 Bx2 IC101 Q101 DISPLAY UNIT (X54) TX-RX UNIT (X57) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 12: Packing

    TK-8102H PACKING 36 Protection bag (H25-2341-04) 6 Instruction manual (English) (B62-1596-00) 7 Instruction manual (Spanish) (B62-1597-00) : K,K2,K3 34 Packing fixture (H12-3112-05) 34 Packing fixture (H12-3112-05) 36 Protection bag (H25-2341-04) 47 Microphone (T91-0624-05) : K,K2,K3 37 Item carton case (H52-1829-12)

  • Page 13: Adjustment

    TK-8102H ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifications 1. Standard Signal Generator Frequency Range 400 to 520MHz (SSG) Modulation Frequency modulation and external modulation Output –127dBm/0.1µV to greater than –7dBm/100mV 2. Power Meter Input Impedance 50Ω Operation Frequency...
  • Page 14 TK-8102H ADJUSTMENT Note Adjustment Location • EEPROM Switch The tuning data (Deviation, Squelch, etc.) for the Power Display EEPROM, is stored in memory. When parts are changed, Volume readjust the transceiver. up/down Speaker • AF PA IC (IC101) How to mounting the IC101.
  • Page 15 TK-8102H ADJUSTMENT 5. The solder melts and binds the FET and the cube se- Replacing a Drive FET (Q801) curely. Then, slide the soldering iron along the PCB sur- 1. When replacing the Drive FET, you must also replace its face to cool the soldering down ( r ).
  • Page 16 TK-8102H ADJUSTMENT Test Frequency (MHz) Channel K,M (F1) K2 (F2) M2 (F2) K3 (F3) 1 : Center 470.100 470.050 498.600 498.550 502.600 502.550 415.100 415.050 2 : Low 450.100 450.050 485.100 485.050 485.100 485.050 400.100 400.050 3 : High 489.900 489.950...
  • Page 17 TK-8102H ADJUSTMENT Receiver Section Measurement Adjustment Specifications/ Item Condition Test equipment Terminal Parts Method Remarks 1. Seisitivity 1) CH : RX low (Wide/Narrow) Check SINAD CH : RX center (Wide/Narrow) Oscilloscope EXT. SP : 12dB or higher CH : RX high (Wide/Narrow) AF V.M...
  • Page 18 TK-8102H ADJUSTMENT Transmitter Section Measurement Adjustment Specifications/ Item Condition Remarks Test equipment Terminal Parts Method ± 4.0kHz (Wide) ±50Hz 5. MAX 1) CH : TX low (Wide) Modulation analyzer ANT PC key ± 2.0kHz (Narrow) balance CH : TC center (Wide/Narrow)

  • Page 19: Pc Board Views

    TK-8102H PC BOARD VIEWS DISPLAY UNIT (X54-3340-20) Component side view (J72-0790-12) KRC404RTK MA742 NJM2100V KRC414RTK NJM2904V 2SA1745 24LC08BT-ISN 2SA1832 2SC2412K MONI 2SC3356 2SK508NV 2SC4617 2SC4738 POWER 2SC5108 2SC5110 2SK2596 TA75W01FU HOOK DOWN PROG POWER LEDMON LEDPF LEDC1 LEDC2 2SA1641 LEDR...

  • Page 20: Tx-Rx Unit (X57-6390-Xx)

    TK-8102H PC BOARD VIEW TX-RX UNIT (X57-6390-XX) -20 : K,M -21 : K2,M2 -22 : K3 Component side view (J72-0830-22) Ref. No. Address R262 IC17 C853 IC19 IC21 C295 C350 IC22 C299 C833 R265 IC101 C328 R154 C821 IC800 C832...
  • Page 21 TK-8102H PC BOARD VIEW TX-RX UNIT (X57-6390-XX) -20 : K,M -21 : K2,M2 -22 : K3 Foil side view (J72-0830-22) Ref. No. Address IC10 IC11 IC14 L810 IC15 IC18 L809 IC20 C848 C847 L808 D806 C844 C843 D805 D803 L807...
  • Page 22 TK-8102H PC BOARD VIEW TX-RX UNIT (X57-6390-XX) -20 : K,M -21 : K2,M2 -22 : K3 Component side view + Foil side (J72-0830-22) Ref. No. Address Ref. No. Address R262 C853 L810 C295 C350 L809 IC10 Q101 C299 C833 R265...

  • Page 23: Schematic Diagram

    TK-8102H SCHEMATIC DIAGRAM Note : Component marked with a dot ( ) are parts of layer 1.

  • Page 24: Block Diagram

    TK-8102H TK-8102H BLOCK DIAGRAM DISPLAY UNIT TX-RX UNIT X54-334 * - ** X57-639 * - ** 2SC4649(N,P) Q800 Q801 Q101 D801,D802 : MA4PH633 2SC5110(0) 2SC3356(R24) 2SK2596 2SK3075 2SK3478-22 D803,D804 : XB15A709 2SK508NV(K52) 2SC5108(Y) 2SC5108(Y) DRIVE DRIVE FINAL PTT(TXD) 2SC1832(GR) CHARGE...

  • Page 25: Level Diagram

    TK-8102H TK-8102H LEVEL DIAGRAM Receiver Section Center Frequency 49.95MHz 450kHz Audio Frequency W –85.0dBm W –93.0dBm N –85.5dBm N –91.0dBm W –121.0dBm W –119.0dBm W –105.5dBm W –106.0dBm W –117.5dBm W –103.0dBm N –120.5dBm N –118.5dBm N –105.5dBm N –105.0dBm N –117.0dBm...

  • Page 26: Specifications

    TK-8102H SPECIFICATIONS GENERAL Frequency Range ....... K,M : 450 to 490MHz K2 : 485 to 512MHz K3 : 400 to 430MHz M2 : 485 to 520MHz Number of Channels ......4 channels Channel Spacing ......... Wide : 25kHz Narrow : 12.5kHz PLL Channel Stepping ......
  • Page 27 Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium KENWOOD ELECTRONICS FRANCE S.A. 13, Boulevard Ney, 75018 Paris, France KENWOOD ELECTRONICS U.K. LIMITED KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB United Kingdom KENWOOD ELECTRONICS EUROPE B.V. Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands KENWOOD ELECTRONICS ITALIA S.p.A.

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