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Kenwood TK-7185 Service Manual Addendum
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Kenwood TK-7185 Service Manual Addendum

Kenwood TK-7185 Service Manual Addendum

Vhf fm transceiver 5 tone version
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See also: Instruction Manual
VHF FM TRANSCEIVER
TK-7185
SERVICE MANUAL
ADDENDUM
5 Tone Version
Metallic cabinet
(A01-2194-11)
Modular jack
(E58-0522-05)
SYSTEM SET-UP ....................................................................................... 3
REALIGNMENT ......................................................................................... 4
INSTALLATION .......................................................................................... 7
ADJUSTMENT ........................................................................................ 15
TERMINAL FUNCTION ........................................................................... 25
RoHS
This product complies with the
Key top
(K29-9349-01)
CONTENTS
directive for the European market.
© 2008-9 PRINTED IN JA PAN
B51-8849-00 ( N ) PDF
Use this service manual together with the
following service manual.
• TK-7185 service manual (B51-8843-00)
Panel assy
(A62-1166-02)
This product uses Lead Free solder.

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Summary of Contents for Kenwood TK-7185

  • Page 1: Table Of Contents

    ADDENDUM © 2008-9 PRINTED IN JA PAN B51-8849-00 ( N ) PDF 5 Tone Version Use this service manual together with the following service manual. • TK-7185 service manual (B51-8843-00) Metallic cabinet Panel assy (A01-2194-11) (A62-1166-02) Modular jack Key top...
  • Page 2 You must use KPG-92D version 1.50 or later for this ages resulting from the use of the information contained transceiver. KPG-92D versions earlier than version 1.50 will herein. Kenwood reserves the right to make changes to any not work properly. products herein at any time for improvement purposes.

  • Page 3: System Set-Up

    TK-7185 SYSTEM SET-UP Merchandise received Frequency range RF power Type 217~270MHz TK-7185 E Choose the type of transceiver Are you using See page 9. KRK-10 the remote kit? (Option) Are you using See page 7. KCT-46 the ignition sense cable? (Option) See page 4.

  • Page 4: Realignment

    TK-7185 REALIGNMENT 1. Modes 3. Panel Test Mode User mode Setting method refer to ADJUSTMENT. Panel test mode Panel tuning mode 4. Panel Tuning Mode Setting method refer to ADJUSTMENT. PC mode Data programming mode PC tuning Firmware PC test 5.
  • Page 5 TK-7185 REALIGNMENT 2. When the POWER switch on, user mode can be entered 6-3. Programming immediately. When PC sends command the transceiver 1. Start up the fi rmware programming software (Fpro.exe enter PC mode, and “PROGRAM” is displayed on the (ver.
  • Page 6 TK-7185 REALIGNMENT 1. Turn the source transceiver power ON with the [B] key 8. Firmware Version Information held down. If the read authorization password is set to Press and hold the [ ] key while turning the transceiver the transceiver, the transceiver displays “CLONE LOCK”.

  • Page 7: Installation

    TK-7185 INSTALLATION 1. Ignition Sense Cable (KCT-46: Option) The KCT-46 is an optional cable for enabling the ignition function. The ignition function lets you turn the power to the transceiver on and off with the car ignition key. 1-1. Connecting the KCT-46 cable to the transceiver 1.
  • Page 8 TK-7185 INSTALLATION 3. Horn Alert/P.A. Relay Unit (KAP-2: Option) The Horn alert (max. 2A drive), Public address and Exter- 5. Place the relay unit at the position shown in Figure 3-2 nal speaker function are enabled by installing the KAP-2 in and secure it to the chassis with a screw.
  • Page 9 TK-7185 INSTALLATION ■ Install the KRK-10 main panel onto the transceiver 4. Control Head Remote Kit (KRK-10: Option) 4. Insert the fl at cable that was removed in step 2 above The KRK-10 remote kit is used to remotely operate the into the connector (CN1) of the interface unit (A/2) of the transceiver.
  • Page 10 TK-7185 INSTALLATION ■ Connect the KRK-10 main panel to the rear 9. Secure the cable bush on the main panel and fi t the wa- terproof packing (orange) ( !2 ) securely over top. panel with the cable 10. Install the molded cover ( !3 ) over the connector on the 8.
  • Page 11 TK-7185 INSTALLATION ■ Connection Procedure 6. External Speaker (Option) Insert the crimp terminal into the Square plug supplied 6-1. KES-3 with the KAP-2. The KES-3 is an external speaker for the 3.5-mm-diameter speaker jack. ■ Connection Procedure 1. Connect the KES-3 to the 3.5-mm-diameter speaker jack on the rear of the transceiver.
  • Page 12 TK-7185 INSTALLATION 7. Voice Scrambler Board Connection 8. ANI Board Connection 1. Remove the front panel from the transceiver. 1. Remove the front panel from the transceiver. 2. Solder each lead of the scrambler board to a necessary 2. Solder each lead of the ANI board to a necessary location...
  • Page 13 TK-7185 INSTALLATION 9. GPS Receiver Connection 3M Double coated cushion No. 4016 (or No. 4416) 9-1. Installing the GPS receiver 30 x 25 mm 1. Remove the cabinet, top packing and shielding plate of the transceiver. 2. Remove the front panel from the transceiver.
  • Page 14 TK-7185 INSTALLATION 9-2. Installing the GPS receiver together with the VGS-1 1. Remove the cabinet, top packing and shielding plate of the transceiver. 2. Remove the front panel from the transceiver. GPS receiver 3. Attach a cushion to the bottom of the VGS-1 as shown in Figure 9-5.

  • Page 15: Adjustment

    TK-7185 ADJUSTMENT Controls “FNC” appears Function Display Power Volume Channel High power / Low power Low: icon appears switch Up/Down key Up/Down key Function off Compander on/off icon appears Beat shift on/off icon appears [ ]/[ ] Function off [ ]/[ ]...
  • Page 16 TK-7185 ADJUSTMENT • Test signaling • LCD display in panel tuning mode B A L 2 5 6 None None n : Narrow Adjustment value (1~256) None 100Hz Square Wave Adjustment item w : Wide LTR Data: LTR Data: AREA=0, GOTO=12 AREA=0, GOTO=12 ■...
  • Page 17 TK-7185 ADJUSTMENT ■ Flow chart Note: The “LTR deviation” cannot be used, please skip this item. Frequency 3 reference level 3 reference level Shift 1 adjustments adjustments 3 reference level Shift 2 adjustments 5 reference level Max high power adjustments...
  • Page 18 TK-7185 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifi cations Frequency Range 217 to 270MHz Standard Signal Generator (SSG) Modulation Frequency modulation and external modulation Output 0.1µV to greater than 1mV Input Impedance 50Ω Power Meter Operation Frequency...
  • Page 19 TK-7185 ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) Power supply voltage DC power supply terminal : 13.2V 2) SSG standard modulation [Wide] MOD: 1kHz, DEV: 3kHz [Narrow] MOD: 1kHz, DEV: 1.5kHz...
  • Page 20 TK-7185 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 5. Max low 1) Adj item: [MLPWR] Power Rear Front [ ],[ ] 15W ±1W power Adjust: [✳✳✳] meter panel panel adjust 2) Adj item: [L MLPWR] →...
  • Page 21 TK-7185 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 10. DQT 1) Adj item: [n BAL] Power Rear Front [ ],[ ] Make the demodu- balance Adjust: [✳✳✳] meter panel panel lation waves into adjust Deviation meter fi...
  • Page 22 TK-7185 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 15. LTR 1) Adj item: [n LTR] Power Rear Front [ ],[ ] 0.75kHz ±0.1kHz deviation Adjust: [✳✳✳] meter panel panel adjust Deviation meter fi lter...
  • Page 23 TK-7185 ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Sensitivity 1) Adj item: [SENS1] Rear Front [ ],[ ] Enter the following Note: After replacing the EE- adjust Adjust: [✳✳✳]...
  • Page 24 TK-7185 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 5. Squelch 1) Adj item: [n SQLT] Rear After input signal After adjusting SQL, check (Tight) adjust Adjust: [✳✳✳] panel from SSG, press [B] SQL open/close.

  • Page 25: Terminal Function

    TK-7185 TERMINAL FUNCTION Display unit (X54-3480-10) Pin No. Name Description Pin No. Name Description MIC signal input CN901 (to internal speaker) HOOK : Hook detection, HOOK/RXD RXD : Serial data input Ground MIC data detection Speaker output CN902 (to TX-RX unit B/3 CN429)
  • Page 26 TK-7185 TERMINAL FUNCTION Pin No. Name Description Pin No. Name Description Serial data input 1. RS-232C level. Signal input from charge pump block in RXD1 Input voltage range : ±30V max. the PLL IC L≤0.4V, H≥2.4V, Zi≥5kΩ CN302 (to TX-RX unit C/3) Serial data output 1.
  • Page 27 TK-7185 TERMINAL FUNCTION Pin No. Name Description Pin No. Name Description MIC signal output (AC coupled) before CN428 pre-emphasis. Power output of switched power supply Zo>2.2kΩ, 130±50mVp-p typ. Speaker output Audio signal output (DC coupled) after de- RXEO emphasis. Zo>30kΩ, 1±0.3Vp-p typ.
  • Page 28 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...