Kenwood TK-860G Service Manual Supplement
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Kenwood TK-860G Service Manual Supplement

Kenwood TK-860G Service Manual Supplement

Uhf fm transceiver
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See also: Service Manual , Instruction Manual
UHF FM TRANSCEIVER
TK-860G/862G
SERVICE MANUAL
SUPPLEMENT
This service manual mainly covers TK-860G K2, M2 and TK-862G K2.
If information you require is missing from this service manual.
Please refer to the B51-8498-10 service manual.
TK-860G (K)
TK-862G (K)
Microphone
(T91-0597-25)
Cabinet (Upper)
(A01-2165-13)
Panel assy
(A62-0642-03)
Microphone
(T91-0597-25)
Cabinet (Upper)
(A01-2165-13)
Panel assy
(A62-0731-03)
© 2000-5 PRINTED IN JAPAN
B51-8529-00 ( N ) 1268
Key top
(K29-5343-02)
Key top
(K29-5344-02)

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  • Page 1 UHF FM TRANSCEIVER TK-860G/862G SERVICE MANUAL SUPPLEMENT This service manual mainly covers TK-860G K2, M2 and TK-862G K2. If information you require is missing from this service manual. Please refer to the B51-8498-10 service manual. TK-860G (K) Cabinet (Upper) (A01-2165-13)

  • Page 2: Table Of Contents

    INSTALLATION ... 5 PARTS LIST ... 8 ADJUSTMENT ... 17 PC BOARD VIEWS DISPLAY UNIT (X54-3270-10) : TK-860G ... 26 DISPLAY UNIT (X54-3280-10) : TK-862G ... 27 PLL/VCO (X58-4670-XX) ... 28 TX-RX UNIT (X57-5960-XX) (A/2) ... 29 TX-RX UNIT (X57-5960-XX) (B/2) ... 35 SCHEMATIC DIAGRAM ...

  • Page 3: Operating Features

    After finishing transmission, the transceiver receivers for 5 seconds. The transceiver mutes the speaker while receiv- ing. Following the above sequence, the transceiver contin- ues to transmit and receive. Emergency mode system chart (TK-860G) Foot switch 1 push After 1 min. Horn/Light operation...

  • Page 4: Realignment

    The operation is as follows (the transmit radio is the master and the receive radio is the slave). 1. Turn the master TK-860G power ON with the [ ] key held down. If the password is set to the TK-860G, the TK-860G displays "CLN LOCK".

  • Page 5: Installation

    KAP-1 switch unit into the connectors on the transceiver. 3. Secure the switch unit board to the chassis with a screw KCT-18 ). The notch ( front left side. 4. Attach the cushion on the top of the KAP-1 switch unit. TK-860G/862G R134 R135 Enable Enable KCT-18 cannot...
  • Page 6 TK-860G/862G Modifying the Transceiver • Horn alert The signal from pin 4 of IC9 on the TX-RX unit turns Q5 and Q1 on and off and drives KAP-1 HA relay K2 to drive the horn with a maximum of 2A.

  • Page 7: Emergency Mode

    3 : Ignition sense 6 : Earth 15 : Foot switch Fig. 7 INSTALLATION TX-RX unit B/2 Foil side Control section Attach Power switch $R705 Remove IC14 Outside TK-860G/862G R705 F.RESET TX-RX unit A/2 Foil side R142 Fig. 8...

  • Page 8: Parts List

    Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. TK-860G/862G DISPLAY UNIT (X54-3270-10) : TK-860G, DISPLAY UNIT (X54-3280-10) : TK-862G Ref. No. Address Parts No.
  • Page 9 KRA225S DIGITAL TRANSISTOR Q805 DTA114EKA DIGITAL TRANSISTOR Q806-809 2SK1824 TX-RX UNIT (X57-5960-XX) -10 : TK-860G K,M -11 : TK-862G K -12 : TK-860G K2,M2 -13 : TK-862G K2 -14 : TK-860G K3 D509-514 B30-2050-05 D521 B30-2151-05 LED (RED/GREEN) C1-19 CK73GB1H471K...
  • Page 10 C92-0507-05 CHIP-TAN 4.7UF 6.3WV CC73GCH1H680J CHIP C 68PF CK73GB1H103K CHIP C 0.010UF CC73GCH1H270J CHIP C 27PF CK73GB1C683K CHIP C 0.068UF TK-860G : K,K2,K3,M,M2 TK-862G : K,K2 Desti- nation K,K3,M K,K3,M K2,M2 K,K3,M K,K2,M K2,M2 K2,M2 K,K2,M K2,K3,M2 K2,K3,M2 K2,M2 K2,K3,M2...
  • Page 11 C589 C92-0606-05 CHIP-TAN C590 CK73GB1H102K CHIP C C594 CK73GB1H102K CHIP C C596 CK73GB1H102K CHIP C C597 CC73GCH1H101J CHIP C TK-860G : K,K2,K3,M,M2 TK-862G : K,K2 PARTS LIST Desti- Description Ref. No. Address nation 27PF C598 1000PF C599 0.10UF C600 1000PF C601,602 4.7UF...
  • Page 12 RK73GB1J472J CHIP R 4.7K 1/16W RK73GB1J682J CHIP R 6.8K 1/16W RK73GB1J101J CHIP R 1/16W RK73GB1J102J CHIP R 1.0K 1/16W RK73GB1J473J CHIP R 1/16W RK73GB1J152J CHIP R 1.5K 1/16W RK73GB1J103J CHIP R 1/16W TK-860G : K,K2,K3,M,M2 TK-862G : K,K2 Desti- nation...
  • Page 13 RK73FB2A222J CHIP R R171 RK73GB1J153J CHIP R R172 RK73GB1J683J CHIP R R173 RK73GB1J472J CHIP R R174 RK73GB1J103J CHIP R TK-860G : K,K2,K3,M,M2 TK-862G : K,K2 PARTS LIST Desti- Description Ref. No. Address nation 1/16W R175 1/16W R176 1/16W R177 1/16W R178 4.7K...
  • Page 14 DIODE UDZ4.7(B) ZENER DIODE MA742 DIODE 1SS355 DIODE HZU5ALL DIODE MA2S111 DIODE MA2S111 DIODE MA2S111 DIODE MA742 DIODE DAN202U DIODE HSB123 DIODE 1812L075PR VARISTOR HSB123 DIODE MA742 DIODE TA75S01F IC (OP AMP) TK-860G : K,K2,K3,M,M2 TK-862G : K,K2 Desti- nation...

  • Page 15: Pll/Vco (X58-4670-Xx)

    DTC114EKA DIGITAL TRANSISTOR 2SC2412K TRANSISTOR 2SB1565(E,F) TRANSISTOR DTC114EKA DIGITAL TRANSISTOR 3SK228 DTC144EKA DIGITAL TRANSISTOR 2SC2412K TRANSISTOR Q37-39 2SK1824 TK-860G : K,K2,K3,M,M2 TK-862G : K,K2 PARTS LIST Desti- Description Ref. No. Address nation Q501 Q502,503 Q504 Q505 Q506 Q508 Q509 K2,M2...
  • Page 16 PARTS LIST Desti- Description Ref. No. Address nation K2,M2 1/16W 1.0K 1/16W 1/16W 150K 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W K,K2,M 1/16W 1/16W 1/16W 1/16W 3.9K 1/16W 1/16W Parts No. Description parts TK-860G : K,K2,K3,M,M2 TK-862G : K,K2 Desti- nation...
  • Page 17 Test Mode (TK-860G Only) Test Mode Operating Features This transceiver has a test mode. To enter test mode, press [SCN] key and turn power on. Hold [SCN] key un- til test channel No. and test signalling No. appears on LCD. Test mode can be inhibited by programming. To exit test mode, switch the power on again.

  • Page 18: Tuning Mode

    TK-860G/862G Tuning Mode FREQ_ _XX Frequency adj. HPOW_XXX H.POW_XXX RF high power Hi power (L) LPOW_XXX L.POW_XXX RF low power Low power (L) NARROW WIDE _MAX_ XXX. Max deviation (Narrow) _BAL_XXX. DQT balance (Narrow) _FQT_ XXX. QT fine deviation (Narrow) FDQT_XXX.
  • Page 19 Adapter cable (E30-3383-05) is required for injecting an audio if PC tuning is used. See "PC Mode" section for the connection. Lead wire + Shield wire – TK-860G/862G ADJUSTMENT Major Specifications 400 to 520MHz Frequency modulation and external modulation –127dBm/0.1 V to greater than –7dBm/100mV...
  • Page 20 TK-860G/862G Adjustment Location Switch (TK-860G) Volume Power up/down Display MIC jack Programmable function keys Note • Flash memory The firmware program (User mode, Test mode, Tuning mode, etc.) and the data programmed by the FPU (KPG-56D) for the flash memory, is stored in memory. When parts are changed, program the data again.
  • Page 21 1) Set test mode • Wide Select “SQL3” in tuning mode. “S.QL3” Adjust [ *** ] SSG freq' : 485.050MHz SSG output : –127dBm/0.1 V Oscilloscope SSG MOD : 3kHz (Wide) 1.5kHz (Narrow) TK-860G/862G ADJUSTMENT Measurement Adjustment Test- Unit Terminal Unit Parts...
  • Page 22 TK-860G/862G Item Condition 2) “S.Q.L.3” Adjust [ *** ] SSG freq' : 498.550MHz K2 : 502.550MHz M2 3) “S.Q.L.3._.” Adjust [ *** ] SSG freq' : 511.950MHz K2 : 519.950MHz M2 • Narrow 4) “SQL3 *** .” Adjust [ *** ] SSG freq' : 498.550MHz K2...
  • Page 23 Adjust [ *** ] 5) “L.P.O.W._.” PTT : ON Adjust [ *** ] 5. Power check 1) Set test mode CH : CH1 - Sig1 CH2 - Sig1 CH3 - Sig1 PTT : ON TK-860G/862G ADJUSTMENT Measurement Adjustment Test- Unit Terminal Unit Parts...
  • Page 24 TK-860G/862G Item Condition 6. Modulation 1) Set test mode balanced MIC input : OFF • Wide Select “BAL” in tuning mode. meter “_.BAL” Deviation meter filter LPF : 3kHz HPF : OFF De-emphasis : OFF PTT : ON Adjust [ *** ] 2) “_.B.A.L”...
  • Page 25 • Wide Deviation meter filter LPF : 15kHz HPF : OFF PTT : ON Adjust [ *** ] • Narrow 2) “TONE *** .” PTT : ON Adjust [ *** ] TK-860G/862G ADJUSTMENT Measurement Adjustment Test- Unit Terminal Unit Parts equipment...
  • Page 26 TK-860G/862G TK-860G/862G DISPLAY UNIT (X54-3270-10) : TK-860G Component side view C806 R809 C801 R801 C802 C803 R805 C804 D801 IC801 J72-0683-02 PC BOARD VIEWS C807 R808 CN801 C805 R804 DISPLAY UNIT (X54-3270-10) : TK-860G Foil side view C806 C807 R808...
  • Page 27 C802 R802 C805 C803 R807 R808 R804 C807 C804 IC801 Component side Foil side TK-860G/862G PC BOARD VIEWS PLL/VCO (X58-4670-XX) -12 : K,M -13 : K2,M2 -14 : K3 Component side view J72-0676-02 C115 C119 L111 L109 L103 C104 L112...

  • Page 28: Tx-Rx Unit (X57-5960-Xx) (A/2)

    C225 R200 A1 : X58-4670-XX C188 (ST) J72-0760-02 A/2 TX-RX UNIT (X57-5960-XX) (A/2) Component side view -11 : TK-862G K -12 : TK-860G K2,M2 -13 : TK-862G K2 -14 : TK-860G K3 IC400 C192 C198 R177 C32 + C131 C103...
  • Page 29 R210 C150 IC14 R103 RSSI C123 TX-RX UNIT (X57-5960-XX) (A/2) Foil side view -10 : TK-860G K,M -11 : TK-862G K -12 : TK-860G K2,M2 -13 : TK-862G K2 -14 : TK-860G K3 IC400 C191 C190 R160 C250 R151 R141...

  • Page 30: Tx-Rx Unit (X57-5960-Xx) (B/2)

    TK-860G/862G PC BOARD VIEW -10 : TK-860G K,M -11 : TK-862G K -12 : TK-860G K2,M2 -13 : TK-862G K2 -14 : TK-860G K3 Component side Pattern 1 Pattern 2 Pattern 3 Pattern 4 Foil side Connect 1 and 4...
  • Page 31 TX-RX UNIT (X57-5960-XX) (B/2) Component side view -10 : TK-860G K,M -11 : TK-862G K -12 : TK-860G K2,M2 -13 : TK-862G K2 -14 : TK-860G K3 D512 J72-0760-02 B/2 J501 D513 PTT/ CM MIC HOOK/ (TK-860G) Ref. No. Address Ref.
  • Page 32 TK-860G/862G PC BOARD VIEW TX-RX UNIT (X57-5960-XX) (B/2) Component side view + Foil side -10 : TK-860G K,M -11 : TK-862G K -12 : TK-860G K2,M2 -13 : TK-862G K2 -14 : TK-860G K3 J72-0760-02 B/2 D512 R612 R613 R595...

  • Page 33: Schematic Diagram

    TK-860G SCHEMATIC DIAGRAM Note : Components marked with a dot (·) are parts of patterun 1.
  • Page 34 TK-862G SCHEMATIC DIAGRAM Note : Components marked with a dot (·) are parts of patterun 1.

  • Page 35: Specifications

    GENERAL Frequency Range ... K2 : 485 to 512MHz Number of Channels ... TK-862G : Maximum 8 channels Number of Groups ... TK-860G : Maximum 128 groups Channel Spacing ... Wide : 25kHz PLL Channel Stepping ... 5, 6.25kHz Operating Voltage ... 13.6V DC 15% Current Drain ...
  • Page 36 Mechelsesteenweg 418 B-1930 Zaventem, 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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