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Kenwood TK-7180 Service Manual

Vhf fm transceiver
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VHF FM TRANSCEIVER
TK-7180/7189
SERVICE MANUAL
TK-7180 E
TK-7189 E
Cabinet
(A01-2194-11)
Cabinet
(A01-2194-11)
Modular jack
(E08-0877-05)
Modular jack
(E08-0877-05)
© 2005-1 PRINTED IN JAPAN
B51-8713-00 ( N ) 556
Panel assy
(A62-1094-23)
Key top
(K29-9349-01)
Panel assy
(A62-1095-03)
Key top
(K29-9313-01)
This product uses Lead Free solder.

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Summary of Contents for Kenwood TK-7180

  • Page 1 VHF FM TRANSCEIVER TK-7180/7189 SERVICE MANUAL © 2005-1 PRINTED IN JAPAN B51-8713-00 ( N ) 556 TK-7180 E Cabinet Panel assy (A01-2194-11) (A62-1094-23) Modular jack Key top (E08-0877-05) (K29-9349-01) TK-7189 E Cabinet Panel assy (A01-2194-11) (A62-1095-03) Modular jack Key top...

  • Page 2: Table Of Contents

    TK-7180/7189 CONTENTS / GENERAL GENERAL ..............2 INTRODUCTION SYSTEM SET-UP ............4 SCOPE OF THIS MANUAL This manual is intended for use by experienced techni- REALIGNMENT ............5 cians familiar with similar types of commercial grade commu- INSTALLATION ............8 nications equipment.

  • Page 3: General

    4-1. Antenna system Control station. The antenna system selection depends on many factors and is beyond the scope of this manual. Your KENWOOD dealer can help you select an antenna system that will best serve your particular needs. 4-2. Radio location Select a convenient location for your control station radio which is as close as practical to the antenna cable entry point.

  • Page 4: System Set-Up

    TK-7180/7189 SYSTEM SET-UP Frequency range RF power Type 12-key Merchandise received 136~174MHz TK-7180 E 136~174MHz TK-7189 E Choose the type of transceiver Are you using See page 10. KRK-10 the remote kit? (Option) Are you using See page 8. KCT-46...

  • Page 5: Realignment

    TK-7180/7189 REALIGNMENT 1. Modes 2. How to Enter Each Mode Mode Operation User mode User mode Power ON Panel test mode [A] + Power ON Panel test mode Panel tuning mode PC mode Received commands from PC Panel tuning mode...
  • Page 6 TK-7180/7189 REALIGNMENT 5-2. Connection procedure 5. Check the connection between the transceiver and the personal computer, and make sure that the transceiver is 1. Connect the transceiver to the personal computer with in the Program mode. the interface cable. 6. Press write button in the window. When the transceiver 2.
  • Page 7 TK-7180/7189 REALIGNMENT 8. Firmware Version Information • How to enter the password with the DTMF keypad (TK- Turn the transceiver ON with the [ ] key held down. 7189 model only); Then, the version is displayed during holding the [ ] key.

  • Page 8: Installation

    2. Radio Interface Cable (KCT-40 : Option) The KCT-40 connection cable kit is used to connect the TK-7180/7189 transceiver to the KDS-100 (Mobile data termi- nal), KGP-2A (Modem GPS receiver), KGP-2B (Modem GPS controller) or through the KCT-36 extension cable.
  • Page 9 KAP-2 in the secure it to the chassis with a screw. TK-7180/7189 transceiver. 6. Remove the cap on the rear of the chassis by pushing it from the inside with your finger. ( r ) 3-1.
  • Page 10 TK-7180/7189 INSTALLATION ■ Install the KRK-10 main panel onto the transceiver 4. Control Head Remote Kit (KRK-10 : Option) 4. Insert the flat cable that was removed in step 2 above into The KRK-10 remote kit is used to remotely operate the TK- the connector (CN1) of the interface unit (A/2) of the KRK- 7180/7189 transceiver.
  • Page 11 TK-7180/7189 INSTALLATION ■ Connect the KRK-10 main panel to the rear panel with the cable 10. Install the molded cover ( !3 ) over the connector on the 8. Insert one 14-pin connector of the cable (E30-7514-05) main panel and secure it with two screws ( !4 ).
  • Page 12 TK-7180/7189 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 13 TK-7180/7189 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 scrambler board to a necessary...
  • Page 14 TK-7180/7189 INSTALLATION 3M Double coated cushion 9. GPS Receiver Connection 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 15 TK-7180/7189 INSTALLATION / DISASSEMBLY FOR REPAIR 4. Insert the VGS-1 connector (CN1) into the TX-RX unit (B/3) 1. Precautions on Disassembly connector (CN403). ■ TX-RX PCB (TX-RX unit B/3) Disassembly 5. Perform step 3 to 6 of “9-1. Installing the GPS receiver”...

  • Page 16: Disassembly For Repair

    TK-7180/7189 DISASSEMBLY FOR REPAIR ■ TK-7180 Transceiver ■ TK-7189 Transceiver Removing the speaker hardware fixture Removing the holder (J19-5469-02) (J21-8481-03) and holder (J19-5485-02) 1. Remove the flat cable from the display unit connector (CN903). ( q ) 1. Remove the speaker lead from the holder hook. ( q ) 2.
  • Page 17 TK-7180/7189 DISASSEMBLY FOR REPAIR ■ FINAL shield case (F10-3032-04) installation ■ Top packing installation procedure procedure 1. Place the top packing over the shielding plate. 2. Fit the convex tab of the top packing into the hollow of the 1. Place the shield case on the final section of the TX-RX unit chassis.
  • Page 18 TK-7180/7189 DISASSEMBLY FOR REPAIR ■ TK-7180 Transceiver ■ TK-7189 Transceiver Installing the holder (J19-5485-02) and speaker Installing the holder (J19-5469-02) hardware fixture (J21-8481-03) 1. Insert three tabs of the holder (J19-5469-02) into the hol- lows in the top of the panel. ( q ) 1.

  • Page 19: Circuit Description

    1. Outline The signal from the BPF is heterodyned with the first local The TK-7180/7189 is a VHF/FM transceiver designed to oscillator signal from the PLL frequency synthesizer circuit at operate in the frequency range of 136 to 174MHz. Transmis- the first mixer DBM (IC171) to become a 44.85MHz first in-...
  • Page 20 TK-7180/7189 CIRCUIT DESCRIPTION 2-5. Squelch Circuit 3-2. Modulation Level Adjustment Circuit The output signal from IC172 enters FM IC again, then The audio signal amplified by the audio frequency ampli- passed through a band-pass filter. fier (IC412) is added to the low speed data LSD passed The noise component output from IC172 is amplified by through the low pass filter (IC409).
  • Page 21 TK-7180/7189 CIRCUIT DESCRIPTION 4. Frequency Synthesizer Unit 5. Control Circuit 4-1. Frequency Synthesizer The block diagram of the control circuit is shown in Figure The frequency synthesizer consists of the TCXO (X301), The CPU (IC404) is a 16-bit microcomputer that contains a VCO, PLL IC (IC301) and buffer amplifiers.
  • Page 22 TK-7180/7189 CIRCUIT DESCRIPTION 6. Power Supply Circuit Power supply : 10.8~15.6V The block diagram of the power supply Final amp. circuit is shown in Figure 6. F801 Q810 Audio amp, PA connector Power is always supplied from +B to Panel block, D-sub block...

  • Page 23: Semiconductor Data

    TK-7180/7189 SEMICONDUCTOR DATA Microprocesser : 30625MGP169GU (TX-RX unit IC404) Pin No. Port Name Function Pin No. Port Name Function VREF BB LIM switch AVCC Switched B control No connection RX control HOLD TX control No connection TX APC adjust 54~57...
  • Page 24 Microprocesser : 30302M88Z7GU (Display unit IC902) Pin No. Port Name I/O Function Pin No. Port Name I/O Function No connection No connection (TK-7180), 5 (TK-7189) No connection (TK-7180), 4 (TK-7189) SHIFT Beat shift No connection (TK-7180), 3 (TK-7189) BYTE No connection (TK-7180), 2 (TK-7189) CNVSS...

  • Page 25: Components Description

    TK-7180/7189 COMPONENTS DESCRIPTION Switch unit (X41-3682-70) Ref. No. Part Name Description : TK-7189 model only IC302 PLL CP switch Ref. No. Part Name Description IC401 EEPROM Transistor Voltage regulator/ 8.4V IC402 RTC processor BLC switch IC403 Shift register BLC switch control...
  • Page 26 TK-7180/7189 COMPONENTS DESCRIPTION Ref. No. Part Name Description Ref. No. Part Name Description Q306,307 TX/RX VCO Variable RF BPF tuning Q308~310 Transistor TX/RX VCO switch capacitance diode Q311 Transistor VCO buffer amp D103~106 Variable RF BPF tuning Q312 Transistor Ripple filter...

  • Page 27: Parts List

    RUBBER SHEET (CHASSIS) 1B,1D G11-4343-04 SHEET 1A,1C G13-2018-04 CUSHION 2B,2D G13-2047-04 CUSHION (DC SCREW) DISPLAY UNIT (X54-348X-XX) 0-10 : TK-7180 2-71 : TK-7189 1A,1C G13-2101-04 CONDUCTIVE CUSHION (PM BACK) ✽ 1A,1C G13-2102-04 CONDUCTIVE CUSHION (PM TOP) 3B,3D B11-1825-04 FILTER (LCD) ✽...
  • Page 28 TK-7180/7189 PARTS LIST DISPLAY UNIT (X54-348X-XX) TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation 3B,3D J19-5467-03 HOLDER TX-RX UNIT (X57-6982-71) 3B,3C J21-8470-03 MOUNTING HARDWARE (LCD) J31-0551-05 COLLAR...
  • Page 29 TK-7180/7189 PARTS LIST TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C113 CC73GCH1H100D CHIP C 10PF C222 CK73GB1H102K CHIP C 1000PF C115 CC73GCH1H180J CHIP C 18PF C223...
  • Page 30 TK-7180/7189 PARTS LIST TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C355 CC73GCH1H150G CHIP C 15PF C453 CK73GB1C104K CHIP C 0.10UF C356 CC73GCH1HR75B CHIP C 0.75PF C454...
  • Page 31 TK-7180/7189 PARTS LIST TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C542 CK73GB1H102K CHIP C 1000PF C818 CK73GB1H472K CHIP C 4700PF C543,544 C92-0628-05 CHIP-TAN 10UF 10WV C819,820...
  • Page 32 TK-7180/7189 PARTS LIST TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation L183,184 L41-3988-14 SMALL FIXED INDUCTOR (390NH) RK73GB1J102J CHIP R 1.0K 1/16W L185 L40-6875-92 SMALL FIXED INDUCTOR (68NH)
  • Page 33 TK-7180/7189 PARTS LIST TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R199 RK73GB1J560J CHIP R 1/16W R344-346 RK73GB1J101J CHIP R 1/16W R200 RK73GB1J332J CHIP R 3.3K 1/16W...
  • Page 34 TK-7180/7189 PARTS LIST TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R461 RK73HB1J474J CHIP R 470K 1/16W R541 R92-1252-05 CHIP R 0 OHM J 1/16W R465 RK73GB1J473J...
  • Page 35 TK-7180/7189 PARTS LIST TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R619 RK73GB1J104J CHIP R 100K 1/16W D304,305 MA2S077 DIODE R620 RK73GB1J224J CHIP R 220K 1/16W D306-313...
  • Page 36 TK-7180/7189 PARTS LIST TX-RX UNIT (X57-6982-71) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation Q177 DTC144EE DIGITAL TRANSISTOR Q178 DTA144EE DIGITAL TRANSISTOR Q180 DTC144EE DIGITAL TRANSISTOR Q251 2SC4617(S) TRANSISTOR Q301...

  • Page 37: Exploded View

    TK-7180/7189 EXPLODED VIEW (TK-7180) IC417 TX-RX unit (B/3) TX-RX unit (C/3) TX-RX unit (A/3) Front Rear Right Side 5 37 J901 Display unit : N09-2409-05 M3 x 8 : N67-3008-48 M2.6 x 6 (Br-Tap) : N87-2606-48 D M2.6 x 8 (Br-Tap) : N87-2608-43...
  • Page 38 TK-7180/7189 EXPLODED VIEW (TK-7189) IC417 TX-RX unit (B/3) TX-RX unit (C/3) TX-RX unit (A/3) Front Rear Right Side 5 37 J901 Switch unit Display unit : N09-2409-05 M3 x 8 : N67-3008-48 M2.6 x 6 (Br-Tap) : N87-2606-48 D M2.6 x 8 (Br-Tap) : N87-2608-43...

  • Page 39: Packing

    (N99-2039-05) (H25-2352-04) 51 Bracket (J29-0662-03) 39 Inner carton case (H02-0624-03) 40 Packing fixture (Lower) (H12-3170-01) 43 Item carton case (H52-2052-02) : TK-7180 44 Item carton case (H52-2099-03) : TK-7189 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 40: Adjustment

    TK-7180/7189 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 On : icon appears Beat shift on/off On : icon appears [ ]/[ ]...
  • Page 41 TK-7180/7189 ADJUSTMENT • LCD display in panel tuning mode • Test signaling B A L 2 5 6 None None n : Narrow Adjustment value (1~256) None 100Hz Square Wave s : Wide 4k Adjustment item LTR Data : LTR Data :...
  • Page 42 TK-7180/7189 ADJUSTMENT ■ Flow chart Note : The “LTR” 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 43 GRAY YELLOW Lead wire + Shield wire – MIC connector (Front panel view) Check Jig for the VGS-1 KENWOOD part No. : W05-1127-00 1 : BLC 5 : MICE to transceiver 2 : +B 6 : MIC 3 : GND...
  • Page 44 TK-7180/7189 ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifications/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 5k] MOD : 1kHz, DEV : 3kHz [Wide 4k] MOD : 1kHz, DEV : 2.4kHz...
  • Page 45 TK-7180/7189 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 5. Max low 1) Adj item : [MLPWR] Power meter Rear Front [ ],[ ] 15W ± 1W power Adjust : [✳✳✳] panel panel adjust 2) Adj item : [L MLPWR] →...
  • Page 46 TK-7180/7189 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 11. Max DEV 1) Adj item : [n DEV] Power meter Rear Front [ ],[ ] 2.10kHz ± 0.10kHz adjust Adjust : [✳✳✳] panel panel (According to the AG : 1kHz/50mV at MIC terminal larger +, –)
  • Page 47 TK-7180/7189 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 15. LTR 1) Adj item : [n LTR] Power meter Rear Front [ ],[ ] 0.75kHz ± 0.10kHz deviation Adjust : [✳✳✳] panel panel adjust Deviation meter filter...
  • Page 48 TK-7180/7189 ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 1. Sensitivity 1) Adj item : [SENS1] Rear Front [ ],[ ] Enter the following Note : After replacing the adjust Adjust : [✳✳✳]...
  • Page 49 TK-7180/7189 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 4. Low RSSI 1) Adj item : [n LRSSI] Rear After input signal The following erroneous adjust Adjust : [✳✳✳] panel from SSG, press [B] performance may occur if any •...
  • Page 50 TK-7180/7189 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 6. High RSSI 1) Adj item : [n HRSSI] Rear After input signal The following erroneous adjust Adjust : [✳✳✳] panel from SSG, press [B] performance may occur if any •...

  • Page 51: Terminal Function

    12KEY [9] [9] key input Pin No. Name Description 12KEY [10] [ ] key input CN901 (to internal speaker) : TK-7180 model only 12KEY [11] [0] key input Ground 12KEY [12] [#] key input Speaker output Backlight control output CN902 (to TX-RX unit B/3 CN429)
  • Page 52 TK-7180/7189 TERMINAL FUNCTION Pin No. Name Description Pin No. Name Description AUXIO4 AUX input/output 4 Power output after power switch. AUXIO8 AUX input/output 8 DC13.2V± 15%, 2.0A max. AUXIO5 AUX input/output 5 AUXO2 AUX output 2. Open collector (500mA max.)
  • Page 53 TK-7180/7189 TERMINAL FUNCTION Pin No. Name Description Pin No. Name Description TXD1 Serial data output / PTT output (Scrambler board) RX filtered audio output Output : L≤0.45V, H≥4.7V/25kΩ load Data signal input Serial clock output OPT4 VGS enable output. Option boad I/F 4.
  • Page 54 TK-7180/7189 TERMINAL FUNCTION Pin No. Name Description Name Description MIC ground STON Side tone input. 1kHz, 5Vp-p MIC signal input (SIDE TONE) Ground to Scrambler board Ground GND (GND) Ground Detection signal input of power switch TXD1 PTT signal output. L : TX, H : Not TX...

  • Page 55: Pc Board

    TK-7180/7189 PC BOARD SWITCH UNIT (X41-3682-70) : TK-7189 model only Component side view (J79-0002-09) Ref. No. Address Component side Layer 1 Layer 2 Foil side J79-0002-09 SWITCH UNIT (X41-3682-70) : TK-7189 model only Foil side view (J79-0002-09) Ref. No. Address...

  • Page 56: Display Unit (X54-348X-Xx)

    TK-7180/7189 PC BOARD DISPLAY UNIT (X54-348X-XX) 0-10 : TK-7180 2-71 : TK-7189 Component side view (J72-0932-19) LEFT UP D927 CP904 D907 CP907 CP902 CP906 CP905 LEFT DOWN D928 J901 DISPLAY UNIT (X54-348X-XX) 0-10 : TK-7180 2-71 : TK-7189 Foil side view (J72-0932-19)
  • Page 57 TK-7180/7189 PC BOARD DISPLAY UNIT (X54-348X-XX) 0-10 : TK-7180 2-71 : TK-7189 Component side view (J72-0932-19) Ref. No. Address Ref. No. Address RIGHT UP D907 D920 D909 D921 D910 D922 D929 D911 D923 D912 D924 D913 D925 D914 D926 D915...
  • Page 58 TK-7180/7189 TK-7180/7189 PC BOARD PC BOARD DISPLAY UNIT (X54-348X-XX) 0-10 : TK-7180 2-71 : TK-7189 DISPLAY UNIT (X54-348X-XX) 0-10 : TK-7180 2-71 : TK-7189 Component side view (J72-0932-19) Component side view (J72-0932-19) Ref. No. Address Ref. No. Address LEFT UP...
  • Page 59 TK-7180/7189 PC BOARD TX-RX UNIT (X57-6982-71) (A/3) Component side view (J72-0930-29 A/3) D714 J72-0930-29 A/3 CN701 Component side Ref. No. Address D709 Layer 1 Layer 2 D710 Layer 3 D714 Layer 4 Foil side TX-RX UNIT (X57-6982-71) (C/3) Component side view (J72-0930-29 C/3) Ref.
  • Page 60 TK-7180/7189 PC BOARD TX-RX UNIT (X57-6982-71) (A/3) Foil side view (J72-0930-29 A/3) J701 AUXO2 AUXO1 I/O5 I/O4 I/O3 I/O2 I/O1 RXD1 TXD1 TXD2 RXD2 I/O9 I/O8 I/O7 I/O6 D708 D713 D707 D706 D712 D711 D702 D703 Q701 R705 R713 R704...
  • Page 61 TK-7180/7189 PC BOARD TX-RX UNIT (X57-6982-71) (B/3) Component side view (J72-0930-29 B/3) Q812 CN804 C814 C819 J401 C823 R821 EXT. SP R807 IC802 R812 Q808 CN803 CN428 C580 C579 C576 IC417 L410 CN802 L411 R652 C573 C574 C572 D801 R642...

  • Page 62: Tx-Rx Unit (X57-6982-71) (B/3)

    TK-7180/7189 PC BOARD TX-RX UNIT (X57-6982-71) (B/3) Component side view (J72-0930-29 B/3) Ref. No. Address Ref. No. Address Q421 IC71 Q803 IC72 Q804 IC172 Q806 IC407 Q808 IC410 Q811 IC414 Q812 IC416 IC417 D103 IC801 D104 IC802 D105 IC807 D106...
  • Page 63 TK-7180/7189 TK-7180/7189 PC BOARD PC BOARD TX-RX UNIT (X57-6982-71) (B/3) TX-RX UNIT (X57-6982-71) (B/3) Component side view (J72-0930-29 B/3) Component side view (J72-0930-29 B/3) Q812 CN804 C814 C819 J401 R821 C823 EXT. SP R807 IC802 R812 Ref. No. Address Ref. No. Address...
  • Page 64 TK-7180/7189 PC BOARD TX-RX UNIT (X57-6982-71) (B/3) Foil side view (J72-0930-29 B/3) R117 C120 L108 R367 C145 C119 R119 Q103 L105 C115 R109 L106 R131 C109 C113 R120 CN201 CN200 C209 C377 C210 C217 R359 D316 R351 C216 L186 C525...
  • Page 65 TK-7180/8189 PC BOARD TX-RX UNIT (X57-6982-71) (B/3) Foil side view (J72-0930-29 B/3) Q805 IC804 Ref. No. Address Ref. No. Address IC171 Q414 IC251 Q415 Q802 R805 IC401 Q801 D804 IC402 Q802 IC803 R815 IC403 Q805 IC404 Q807 Q810 IC405 Q809...
  • Page 66 TK-7180/7189 TK-7180/8189 PC BOARD PC BOARD TX-RX UNIT (X57-6982-71) (B/3) TX-RX UNIT (X57-6982-71) (B/3) Foil side view (J72-0930-29 B/3) Foil side view (J72-0930-29 B/3) Q805 IC804 Ref. No. Address Ref. No. Address IC171 Q414 IC251 Q415 Q802 R805 IC401 Q801...

  • Page 67: Schematic Diagram

    TK-7180/7189 SCHEMATIC DIAGRAM SWITCH UNIT (X41-3682-70) :TK-7189 VOLTAGE REGULATOR/8.4V D1-6 8.4V KEY BACKLIGHT 2SC2873(Y) BLC SW BLC SW CONTROL DTC114EE DTC114EE 02CZ9.1(X,Y) VOLTAGE PROTECTION E40-5719-05 DISPLAY UNIT (X54-348X-XX) CN903 CP911 100*2 12KEY[12] 12KEY[11] 12KEY[10] 12KEY[9] FKEY[1] FKEY[5] CP910 100*2 CP909...
  • Page 68 TK-7180/7189 SCHEMATIC DIAGRAM DISPLAY UNIT (X54-348X-XX) B38-0888-15 S[50] S[49] S[48] CoM10/S79 S[47] COM[9] CoM9/S80 S[46] COM[8] CoM8 S[45] COM[7] CoM7 S[44] COM[6] CoM6 S[43] COM[5] CoM5 S[42] COM[4] CoM4 S[41] COM[3] CoM3 S[40] COM[2] CoM2 S[39] LCD DRIVER 7.43V 5.05V...
  • Page 69 R943 Q906 Q913 D907 DTC114EE DTC114EE B30-2151-05 DIMMER SW BACKLIGHT D931,932 D901 TX/BUSY CONTROL D933 CN901 CONTROL INDICATION SURGE SP CONNECTOR VOLTAGE SURGE PROTECTION PROTECTION PROTECTION X54-348X-XX CN903 X54-348X-XX CN901 0-10 TK-7180 0-10 TK-7180 E40-5704-05 2-71 TK-7189 E40-5719-05 2-71 TK-7189...

  • Page 70: Tx-Rx Unit (X57-6982-71)

    TK-7180/7189 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6982-71) (B/3) D802 DC REVERSE CONNECTION PROTECT CN802 L411 D402 C822 470p T:12.7V 1SS388 L410 R:13.5V F801 Q810 2SJ645 D402-404 CN803 F53-0278-05 RTC BATTERY SB SW CONTROL T:7.60V D801 VOLTAGE SB CONTROL SW R:8.09V VOLTAGE...
  • Page 71 TK-7180/7189 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6982-71) (B/3) HSDIN HSDO DSTB DSTB LSDIN C413 4.99V 4.99V 1000p C412 0.1u EMTON VREF AVCC R467 TCLK/DTRDO TCLK/DTRDO CP407 AFRTM AFRTM R482 HSDO R474 470k STSW R412 470k CP408 RTCL/EEPCL RTCL/EEPCL HSDIN CP409 R414...
  • Page 72 TK-7180/7189 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6982-71) (B/3) DSTB R552 FLASH MEMORY IC405 AT29C040A-90TU C441 D405 D/A CONVERTER IC410 C465 M62364FP-F 4.99V EMZ6.8N R503 R508 VOLTAGE VIN5 VIN4 R529 R535 2.49V PROTECTION 100k C445 VOUT5 VOUT4 680k 390k VOUT6 VOUT3 4.98V...
  • Page 73 TK-7180/7189 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6982-71) (B/3) C480 R597 C530 R558 R606 D419 390k 1000p 1SS388 MIC MUTE CONTROL R618 MIC AMP 220k IC414 TC75W51FU C540 C544 R603 2.50V Q417 10u10 10u10 Q416,417 R573 C511 R586 R589 R592 2SJ243 4.98V MIC MUTE SW 4.83V...
  • Page 74 TK-7180/7189 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6982-71) (B/3) TX-RX UNIT (X57-6982-71) (C/3) R308 PLL CP SW IC302 3.9k TC7S66FU 4.9V R319 IN/OUT R300 OUT/IN PLL SYSTEM IC R320 4.98V CONT CN302 CN301 4.90V CPGND R323 CPGND MUXOUT R332 AGND CPGND R330 4.99V...
  • Page 75 TK-7180/7189 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6982-71) (B/3) RIPPLE FILTER 3.94V Q312 4.98V 2SC4617(S) 4.28V 4.01V C379 C381 D316 C343 R337 R339 L320 R340 100k 10u10 1000p HVC131 VCO BUFFER MODULATION CONTROL 3.90V D315,316 FOR TX VCO Q313 TX/RX 2SC5108(Y) BAND SW 1.43V...
  • Page 76 TK-7180/7189 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6982-71) (B/3) RA30H1317M POWER MODULE D3,4 1.10V TX DRIVER ANT SW 470p 2SC5192 1000p 470p 470p 0.84V 120p XB15A407A2GB 2SC5108(Y) 1.55V XB15A407A2GB H:4.44V TX PRE-DRIVER L:3.33V 0.89V 1.14V H:13.13V 7.78V L:13.42V 7.55V VOLTAGE PROTECTION 7.81V TX GATE SW 0.80V...
  • Page 77 TK-7180/7189 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6982-71) (B/3) IC417 AUDIO IC TA7252AP 6.76V 1.44V 13.61V C566 C570 R648 2.2k CN428 4.99V 4.41V AF MUTE CONTROL Q419 RF DETECTOR RF DETECTOR RF DETECTOR D416 DTC363EU DAN202U C583 HSM88AS HSM88AS HSM88AS AF MUTE SW...
  • Page 78 TK-7180/7189 SCHEMATIC DIAGRAM Note : The components marked with a dot ( • ) are parts of layer 1. TX-RX UNIT (X57-6982-71)(A/3) D704-708,711-713 R711 SURGE PROTECT D711 R718 CN701 DA204U R701 AUXIO6 D704 AUXIO7 R706 R712 AUXIO1 D712 AUXIO2 DA204U...
  • Page 79 TX-RX UNIT (X57-6982-71) (B/3) TX-RX UNIT (X57-6982-71) (C/3) RA30H1317M AUDIO IC TA7252AP IC417 D802 RIPPLE FILTER POWER MODULE DC REVERSE CONNECTION R308 PLL CP SW 3.94V 2SC4617(S) Q312 4.98V CN802 L411 PROTECT 3.9k IC302 C822 470p T:12.7V D402 TC7S66FU 4.9V L410 F801 R:13.5V...

  • Page 80: Interconnection Diagram

    TK-7180/7189 INTERCONNECTION DIAGRAM...

  • Page 81: Block Diagram

    DTC114EE DTRLOAD, AFSTD, POWER SW µ-com TCLK/DTRDO, RST1 AFDAT, AFDIO IC902 AFRTM, CK, AFDIR 30302M8***GU Q905 DTC114EE BUSY PSENS GR E TK-7180 model only INT. SP SHIFT/MODEL S [1:10] µ-com 10KEY X404 BEAT Q913,Q909 11.0592MHz IC404 SHIFT DTC114EE,12A02CH 30625MGP*** Xout...
  • Page 82 TK-7180/7189 BLOCK DIAGRAM 307: 2SK508NV(K52) D3,D4 306,D308,D310,D311,D314: BB664*4,1SV278 XB15A407A2GB*2 136~174MHz 2SC5108(Y) 2SC5192 RA30H1317M D2: XB15A709 Q312 Q310 2SC4617(S) DTC114EE Ripple IN V Filter GATE Q311 Q313 DTC114EE 2SC5108(Y) 2SC5108(Y) S1R104J475H Buff AMP Buff AMP IC72 306: 2SK508NV(K52) PO DET TEMP...

  • Page 83: Level Diagram

    TK-7180/7189 LEVEL DIAGRAM Receiver Section Radio Frequency 44.85MHz –105.5dBm –120.0dBm –122.0dBm –109.0dBm –117.0dBm –118.5dBm –109.5dBm –108.0dBm L173 L176 IC171 XF171 XF171 Q171 Q172 Q103 (1/2) (2/2) SG input level for 12dB SINAD are connecting SG to each point via a...
  • Page 84 TK-7180/7189 LEVEL DIAGRAM 455kHz Audio Frequency W : –83.5dBm W : –86.0dBm N : –83.0dBm N : –86.0dBm CF171/ CF172 05.5dBm 315mVrms 190mVrms 88mVrms 4.00Vrms .0dBm 200mVrms IC172 IC412 IC413 IC415 IC410 IC417 J401 SINAD are obtained Measured by point via a 0.01µF capacitor.

  • Page 85: Optional Accessories Krk-10 (Control Head Remote Kit: 23Ft/7M)

    TK-7180/7189 OPTIONAL ACCESSORIES: KRK-10 (Control Head Remote Kit: 23ft/7m) ■ External View ■ Parts List KRK-10 (Y60-4030-20) ✽ : New Parts Ref. No. Address Parts No. Description parts KRK-10 A62-1101-01 MAIN PANEL A82-0056-11 REAR PANEL E30-7514-05 TRUNK CABLE E37-1121-05 FLAT CABLE...
  • Page 86 TK-7180/7189 OPTIONAL ACCESSORIES: KRK-10 (Control Head Remote Kit: 23ft/7m) ■ Exploded View and Packing 12 Protection bag (H25-0029-04) 13 Protection bag Dressed screw (N08-0550-04) x 2 (H25-2327-04) 13 Protection bag 19 Screw set 12 Protection bag (H25-2327-04) (N99-2040-05) (H25-0029-04) Molding cover...
  • Page 87 TK-7180/7189 OPTIONAL ACCESSORIES: KRK-10 (Control Head Remote Kit: 23ft/7m) ■ PC Board INTERFACE UNIT (X46-3310-20) INTERFACE UNIT (X46-3310-20) Component side view (J72-0934-09) Foil side view (J72-0934-09) RST2 TXD RXD RST2 SHIFT SHIFT PSENS PSENS J72-0934-09 B/2 J72-0934-09 B/2 J72-0934-09 A/2...
  • Page 88 TK-7180/7189 OPTIONAL ACCESSORIES: KRK-10 (Control Head Remote Kit: 23ft/7m) ■ Schematic Diagram INTERFACE UNIT (X46-3310-20) (A/2) Radio Side PSENS SHIFT RST2 E40-6377-05 PSENS RST2 (LCDRST) (LCDDI) (LCDDO) (CLK) SHIFT C14 1000p : TC7WT125FU : MINISMDM075/24 D3~6 : DA204U D12~19 : AVRM1608080MAA...
  • Page 89 TK-7180/7189 OPTIONAL ACCESSORIES: KRK-10 (Control Head Remote Kit: 23ft/7m) ■ Terminal Function Pin No. Name Description Pin No. Name Description CN1 (Radio side) MIC ground Speaker input MIC signal input Speaker input Ground Speaker input Ground Speaker input Detection signal input of power switch...

  • Page 90: Horn Alert/P.a. Relay Unit)

    TK-7180/7189 OPTIONAL ACCESSORIES KAP-2 (Horn Alert/P.A. Relay Unit) ■ External View KCT-40 (Radio Interface Cable) KMC-35 (Microphone) ■ External View ■ External View KMC-36 (Keypad Microphone) ■ External View KCT-46 (Ignition Sense Cable) ■ External View...

  • Page 91: Specifications

    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., WD18 9EB United Kingdom KENWOOD ELECTRONICS EUROPE B.V. Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands KENWOOD ELECTRONICS ITALIA S.p.A.

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