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Kenwood TK-3180 Service Manual

Kenwood TK-3180 Service Manual

Uhf fm transceiver
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UHF FM TRANSCEIVER
TK-3180
SERVICE MANUAL
TK-3180 K
Helical antenna
(KRA-23 : Option)
Button knob (Side)
(K29-9303-03)
Packing
(G53-1598-01)
Cabinet assy
(A02-3847-03)
Does not come with antenna.
Antenna is available as an option.
TK-3180 K3
Knob (CH selector)
(K29-9305-03)
Knob (Volume)
(K29-9304-03)
Knob (PTT)
Packing
(K29-9302-23)
(G53-1599-01)
Cabinet assy
(A02-3848-03)
Front glass
(B10-2752-22)
GENERAL ................................................... 2
SYSTEM SET-UP ....................................... 2
REALIGNMENT .......................................... 3
DISASSEMBLY FOR REPAIR .................... 5
CIRCUIT DESCRIPTION ............................. 7
SEMICONDUCTOR DATA ....................... 13
COMPONENTS DESCRIPTION ............... 14
PARTS LIST .............................................. 16
EXPLODED VIEW ..................................... 25
PACKING .................................................. 26
ADJUSTMENT ......................................... 27
TERMINAL FUNCTION ............................ 39
PC BOARD
DISPLAY UNIT (X54-3470-XX) ............ 42
TX-RX UNIT (X57-6940-10) ................. 46
SCHEMATIC DIAGRAM
TX-RX UNIT (X57-6940-10) ................. 52
BLOCK DIAGRAM .................................... 60
LEVEL DIAGRAM ..................................... 62
KNB-31A/32N/33L ............................... 63
KSC-32 .................................................. 63
SPECIFICATIONS ................. BACK COVER
© 2004-6 PRINTED IN JAPAN
B51-8690-00 ( N ) 961
CONTENTS

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Summary of Contents for Kenwood TK-3180

  • Page 1: Table Of Contents

    UHF FM TRANSCEIVER TK-3180 SERVICE MANUAL © 2004-6 PRINTED IN JAPAN B51-8690-00 ( N ) 961 TK-3180 K TK-3180 K3 Helical antenna (KRA-23 : Option) Knob (CH selector) (K29-9305-03) Knob (Volume) (K29-9304-03) CONTENTS Button knob (Side) Front glass (K29-9303-03) (B10-2752-22) GENERAL ...........
  • Page 2: General

    License and frequency allocated by FCC Frequency range (MHz) RF power Type 12-key TX/RX 450~520 TK-3180 K Choose the type of transceiver TX/RX 450~520 TK-3180 K3 Transceiver programming A personal computer (IBM PC or compatible), programming interface (KPG-36), and programming software (KPG-89D) are required for programming.
  • Page 3: Realignment

    TK-3180 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 Data programming mode...
  • Page 4: Clone Mode

    TK-3180 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 5: Disassembly For Repair

    TK-3180 REALIGNMENT / DISASSEMBLY FOR REPAIR 3. How to enter the password with the keypad; 9. Clock Adjustment Mode If you press a key while “CLONE LOCK” is displayed, the 9-1. Flow chart of operation number that was pressed is displayed on the transceiver.
  • Page 6 TK-3180 DISASSEMBLY FOR REPAIR 2. How to Stick the Sheet (G11-4326-04) 4. How to Attach the VGS-1 1) Remove the white separation paper of the sheet first (q) 1) Remove the 2 screws. and stick the sheet on the front-glass (w).
  • Page 7: Circuit Description

    TK-3180 CIRCUIT DESCRIPTION 1. Overview 3. Receiver System This transceiver is UHF/FM portable transceiver designed 3-1. RF unit to operate in the frequency range of 450 to 520MHz. An incoming RF signal from the antenna terminal is passed through the antenna switch (D106, D107 and D213 are off) and then the bandpass filter (L215, L216).
  • Page 8 TK-3180 CIRCUIT DESCRIPTION 3-3. Wide/Narrow switching circuit When SP-MIC is attached, SSW is connected to GND at inside of SP-MIC. For this reason, Q618 is turned off, and the Wide and Narrow settings can be made for each channel AF signal is input only to amplifier for EXT SP of IC609.
  • Page 9 TK-3180 CIRCUIT DESCRIPTION The output signal from the summing amplifier goes to the 4. Transmitter System VCO modulation input. The other output signal from the 4-1. Microphone amplifier summing amplifier passes through the D/A converter (IC605) The signal from the internal microphone goes through the again for the BAL adjustment, and the buffer amplifier mute switch (Q614).
  • Page 10 TK-3180 CIRCUIT DESCRIPTION 5. Frequency Synthesizer Unit 6. Control Circuit 5-1. Frequency synthesizer The control circuit consists of microprocessor (IC502) and its peripheral circuits. It controls the TX-RX unit and transfers The frequency synthesizer consists of the TCXO (X1), data to the Display unit. IC502 mainly performs the follow- VCO, PLL IC (IC1) and buffer amplifiers.
  • Page 11 TK-3180 CIRCUIT DESCRIPTION ■ High-speed data (2-tone, 5-tone, DTMF) 6-2. Low battery warning The battery voltage is monitored by the microprocessor High-speed data (HSD) is output from pin 7 of the CPU. (IC502 pin 126 : BATTLVL). When the battery voltage falls...
  • Page 12 TK-3180 CIRCUIT DESCRIPTION ■ High-speed data (2-tone, 5-tone) 7-2. Decode ■ Low-speed data (QT, DQT, LTR) The demodulated signal from the IF IC (IC200) is amplified by IC600 (1/2) and passes through an audio processor (IC607) The demodulated signal from the IF IC (IC200) is amplified...
  • Page 13: Semiconductor Data

    TK-3180 SEMICONDUCTOR DATA Microprocesser : M30625MGP (TX-RX unit IC502) Pin No. Port Name Function Pin No. Port Name Function VREF MMUTE Mic mute AVCC AUX key Switched B control TXD (COM0) RX control RXD (COM0) TX control AFDAT BB TDATA and DTRCLK...
  • Page 14: Components Description

    EXT/INT SP switch input Q505 Contrast control 104~111 D7~D0 Data bus 7~0 D500 Diode Contrast control Serial data D501,502 Key back light (TK-3180-K3 only) Serial clock D511~514 Key back light (TK-3180-K3 only) Wide/Narrow switch D515~520 Key back light D522 Diode Key control 115~119...
  • Page 15: Components Description

    TK-3180 COMPONENTS DESCRIPTION Ref. No. Part name Description Ref. No. Part name Description Ripple filter Q623,624 5UC switch Transistor RF AMP D1~4 Diode T / R switch Q14,15 Transistor PLL IC f_in AMP D7,11 Variable Frequency control / RX VCO...
  • Page 16: 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-3180 (Y50-5880-XX) DISPLAY UNIT (X54-3470-XX) Desti- Desti- Ref. No. Address Parts No.
  • Page 17 TK-3180 PARTS LIST DISPLAY UNIT (X54-3470-XX) TX-RX UNIT (X57-6940-10) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R527 R92-1368-05 CHIP R 0 OHM CC73HCH1H470J CHIP C 47PF R531 R92-1368-05 CHIP R...
  • Page 18 TK-3180 PARTS LIST TX-RX UNIT (X57-6940-10) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C150 CK73HB1H471K CHIP C 470PF C261 CK73HB1H471K CHIP C 470PF C151 CC73GCH1H030B CHIP C 3.0PF C262...
  • Page 19 TK-3180 PARTS LIST TX-RX UNIT (X57-6940-10) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C514 CK73HB1C103K CHIP C 0.010UF C678 CK73GB1C104K CHIP C 0.10UF C515 CC73HCH1H150G CHIP C 15PF C679,680...
  • Page 20 TK-3180 PARTS LIST TX-RX UNIT (X57-6940-10) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation ✽ ✽ CF200 L72-1013-05 CERAMIC FILTER XF200 L71-0622-05 MCF (59.85MHZ) ✽ CF201 L72-1014-05 CERAMIC FILTER L40-4795-85 SMALL FIXED INDUCTOR (4.7UH)
  • Page 21 TK-3180 PARTS LIST TX-RX UNIT (X57-6940-10) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R107 RK73HB1J220J CHIP R 1/16W R226 RK73HB1J562J CHIP R 5.6K 1/16W R108 RK73HB1J331J CHIP R 1/16W...
  • Page 22 TK-3180 PARTS LIST TX-RX UNIT (X57-6940-10) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation ✽ R522 RK73HH1J512D CHIP R 5.1K 1/16W R676 RK73HB1J274J CHIP R 270K 1/16W R523,524 R92-1368-05 CHIP R...
  • Page 23 TK-3180 PARTS LIST TX-RX UNIT (X57-6940-10) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R760 RK73HB1J104J CHIP R 100K 1/16W D607 015AZ2.4-X ZENER DIODE R761 RK73HB1J222J CHIP R 2.2K 1/16W D608 015AZ6.8...
  • Page 24 TK-3180 PARTS LIST TX-RX UNIT (X57-6940-10) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation Q602 DTA114EE DIGITAL TRANSISTOR Q605 RN4910 TRANSISTOR Q606 2SC4738(GR) TRANSISTOR Q607 2SA1832(GR) TRANSISTOR Q608-610 2SJ243 Q611...
  • Page 25: Exploded View

    TK-3180 EXPLODED VIEW : N09-2426-04 : N14-0806-04 : N14-0810-04 E M2 x 4 BLK : N30-2004-45 F M2.6 x 4 : N30-2604-46 G M2.6 x 8 BLK : N30-2608-45 : N83-2005-46 38x2 30x2 MIC500 Display unit (X54) TX-RX unit (X57)
  • Page 26: Packing

    TK-3180 PACKING 46 Packing fixture (H12-3157-02) 12 Instruction manual (B62-1759-00) 51 Hook (J29-0710-05) A Dressed screw H Pan head machine screw (N08-0548-04) (N30-3008-60) x 2 6 Cap (B09-0625-03) 46 Packing fixture (H12-3157-02) 47 Item carton case (H52-2060-02) Parts with the exploded numbers larger than 700 are not supplied.
  • Page 27: Adjustment

    TK-3180 ADJUSTMENT Controls “FNC” appears Function Display Selector High power / Low power Low : icon appears Volume Function off Compander on/off On : icon appears Beat shift on/off On : icon appears Side1 [Selector] Test frequency CH up/down [Side1]...
  • Page 28 TK-3180 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 Adjustment item s : Wide 4k w : Wide 5k...
  • Page 29 TK-3180 ADJUSTMENT ■ Flow chart Note : The “Wide 4k” can not use, please skip it. Frequency 3 reference level 3 reference level Shift 1 adjustments adjustments 3 reference level Shift 2 adjustments 5 reference level High power adjustments Center...
  • Page 30 TK-3180 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 –47dBm/1mV 2. Power Meter Input Impedance 50Ω Operation Frequency...
  • Page 31 TK-3180 ADJUSTMENT ■ Check Jig for the VGS-1 • Panel tuning KENWOOD part : W05-1127-00 to transceiver 2: RED (RX AF OUTPUT) 3: BLACK (RX AF OUTPUT) 5: WHITE (MIC INPUT) to VGS-1 SCREW 6: BROWN (MIC GND) TUBE 7: BLUE (PTT SW) GND → ON...
  • Page 32 TK-3180 ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) BATT terminal voltage : 7.5V 2) SSG standard modulation [Wide 5k] MOD : 1kHz, DEV : 3kHz [Wide 4k] MOD : 1kHz, DEV : 2.4kHz [Narrow] MOD : 1kHz, DEV : 1.5kHz...
  • Page 33 TK-3180 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 0.1W 6. Low power 1) Adj item : [LPWR] Power meter Panel Panel Selector 1.0W adjust Adjust : [✳✳✳] Ammeter knob 1.2A or less 2) Adj item : [L LPWR] →...
  • Page 34 TK-3180 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 11. VOX1 1) Adj item : [VOX1] Panel Universal Panel After apply signal adjust Adjust : [✳✳✳] connector from AG, press [B] AG : 1kHz/45mV at MIC terminal...
  • Page 35 TK-3180 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 0.1kHz 16. DTMF 1) Adj item : [n DTMF] Power meter Panel Panel Selector 1.25kHz deviation Adjust : [✳✳✳] knob adjust Deviation meter filter Deviation Universal •...
  • Page 36 TK-3180 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 20. BATT [Panel test mode] Power meter Panel Check The transceiver can transmit detection 1) CH-Sig : 1-1 without causing the LED to check BATT terminal voltage : 6.6V BATT blink.
  • Page 37 TK-3180 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment • Wide 5k 5) Adj item : [w SQL] Panel Panel Selector After input signal After adjusting SQL, check Adjust : [✳✳✳] knob from SSG, press [B] SQL open/close.
  • Page 38 TK-3180 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 8. High RSSI 1) Adj item : [n HRSSI] Panel Panel Selector After input signal adjust Adjust : [✳✳✳] knob from SSG, press [B] • Narrow SSG output : –70dBm...
  • Page 39: Terminal Function

    TK-3180 TERMINAL FUNCTION Display unit (X54-3470-XX) Pin No. Name Function Pin No. Name Function Non connection CN507 Power input after power switch Key matrix output (Side2 key) Non connection Key matrix input (Side key) DGND LCDCS LCD chip select input...
  • Page 40 TK-3180 TERMINAL FUNCTION Pin No. Name Function Pin No. Name Function CN600 MIC signal input (AC coupled) before Zin ≥ 22kΩ, 130±50mVp-p OPT1 Option boad I/F 1 pre-emphasis Output : L ≤ 0.45V, H ≥ 4.7V/25kΩ load OPT6 Option boad I/F 6 Input : L ≤...
  • Page 41 TK-3180 TERMINAL FUNCTION Pin No. Name Function Name I/O Function External MIC input Serial data input Input : L ≤ 1.0V, H ≥ 4.0V, Input voltage : 0V~5.0V Impedance : 1.8kΩ typ (at 1kHz) Audio level : 7.5± 2.5mVrms for 60% of Serial data output Output : L ≤...
  • Page 42: Pc Board Display Unit (X54-3470-Xx)

    TK-3180 PC BOARD DISPLAY UNIT (X54-3470-XX) -10 : K -11 : K3 Component side view (J72-0921-09) S505 S510 S508 S509 S507 D501 S506 S512 S515 S514 S513 S511 D502 S520 S519 S518 S517 S516 Ref. No. Address Ref. No. Address...
  • Page 43 TK-3180 PC BOARD DISPLAY UNIT (X54-3470-XX) -10 : K -11 : K3 Component side view (J72-0921-09) D517 D518 S505 D501 S506 S511 D502 S516 D520 D519 J72-0921-09 Component side Layer 1 Layer 2 Foil side...
  • Page 44 TK-3180 TK-3180 PC BOARD PC BOARD DISPLAY UNIT (X54-3470-XX) -10 : K -11 : K3 DISPLAY UNIT (X54-3470-XX) -10 : K -11 : K3 Component side view (J72-0921-09) Component side view (J72-0921-09) D517 D518 S505 S510 S508 S509 S507 D501...
  • Page 45 TK-3180 PC BOARD DISPLAY UNIT (X54-3470-XX) -10 : K -11 : K3 Foil side view (J72-0921-09) CN510 CN509 R500 CN507 C544 C551 C549 C500 C501 R573 C523 IC501 C556 L550 R575 C538 C525 V5out R547 C2– R574 C1– L553 L554...
  • Page 46 TK-3180 PC BOARD DISPLAY UNIT (X54-3470-XX) -10 : K -11 : K3 Foil side view (J72-0921-09) R500 C501 R522 R526 R525 R524 R559 R518 C562 C513 Component side Layer 1 Layer 2 Foil side...
  • Page 47 TK-3180 TK-3180 PC BOARD PC BOARD DISPLAY UNIT (X54-3470-XX) -10 : K -11 : K3 DISPLAY UNIT (X54-3470-XX) -10 : K -11 : K3 Foil side view (J72-0921-09) Foil side view (J72-0921-09) CN510 CN509 R500 CN507 C544 C551 C549 C500...
  • Page 48 TK-3180 PC BOARD TX-RX UNIT (X57-6940-10) Component side view (J72-0920-09) D408 J72-0920-09 R216 C207 R218 R427 R612 D202 R220 R223 IC404 L200 L608 Q202 R631 C610 R214 L609 R225 R207 C604 R425 L611 R204 R606 IC601 C203 C605 CN602 C763...
  • Page 49 TK-3180 PC BOARD TX-RX UNIT (X57-6940-10) Component side view (J72-0920-09) R742 C290 D202 R693 L200 C681 Q611 R745 C716 C670 R207 R772 ASQL C650 R666 C662 R701 R700 R204 R206 C651 R667 R699 C683 C203 C512 R738 C756 X500 R696...
  • Page 50 TK-3180 TK-3180 PC BOARD PC BOARD TX-RX UNIT (X57-6940-10) Component side view (J72-0920-09) TX-RX UNIT (X57-6940-10) Component side view (J72-0920-09) J72-0920-09 D408 R216 R742 C290 C207 R218 R427 R612 D202 R220 R223 R693 IC404 L608 L200 C681 Q202 R631 C610...
  • Page 51 TK-3180 PC BOARD TX-RX UNIT (X57-6940-10) Foil side view (J72-0920-09) C451 C450 CN503 RTC CKC RSSI C201 CN600 R208 DI/A CF200 R765 RXEI R659 R755 Reset OPT4 OPT2 RXEO TCNT STON MDSW OPT1 OPT3 OPT6 OPT5 Ref. No. Address Ref. No. Address Ref.
  • Page 52 TK-3180 PC BOARD TX-RX UNIT (X57-6940-10) Foil side view (J72-0920-09) Q622 J72-0920-09 C209 C215 Q623 R767 L211 Q624 C256 C257 C262 C264 L214 Q205 D206 C265 C266 C252 R244 C255 C260 C271 L213 Q207 C274 C217 C219 C292 R230 XF200...
  • Page 53 TK-3180 TK-3180 PC BOARD PC BOARD TX-RX UNIT (X57-6940-10) Foil side view (J72-0920-09) TX-RX UNIT (X57-6940-10) Foil side view (J72-0920-09) Q622 J72-0920-09 C209 C215 C451 C450 CN503 RTC CKC Q623 R767 L211 RSSI Q624 C256 C257 C262 C264 C201 CN600...
  • Page 54 TK-3180 SCHEMATIC DIAGRAM LCD ASSY DISPLAY UNIT (B38-0900-05) (X54-3470-XX) CN508 E40-6413-05 C524 4.7u16 VOLTAGE C556 REGULATOR/LCD IC501 1000p XC6201P352MR C523 C555 4.7u16 3.51V R573 4.98V VoUT Q505 470k 2SJ144(Y) CONTRAST CONTROL R574 R546 R544 R547 R545 470k 150k 3.51V LCDRST...
  • Page 55 TK-3180 SCHEMATIC DIAGRAM DISPLAY UNIT (X54-3470-XX) CP501 1k*2 R563 R564 CP503 1k*2 S505 S511 S506 S516 CP504 KEY CONTROL 1k*2 R565 C522 R566 1000p CP506 1k*2 PROCESSOR IC500 S507 S512 S517 BU2099FV 1 VSS 2 NC 3 DATA 4 CLK...
  • Page 56 LCD ASSY DISPLAY UNIT (B38-0900-05) (X54-3470-XX) CP501 1k*2 R563 R564 CP503 1k*2 S505 S506 S511 S516 CP504 KEY CONTROL 1k*2 R565 C522 R566 CN508 1000p E40-6413-05 CP506 1k*2 PROCESSOR IC500 S507 S512 S517 BU2099FV C524 1 VSS 4.7u16 2 NC VOLTAGE 3 DATA C556...
  • Page 57: Tx-Rx Unit(X57-6940-10)

    TK-3180 SCHEMATIC DIAGRAM TX-RX UNIT(X57-6940-10) 7.5V SB2 SW Q403 R:7.47V F400 L400 2SA1955(A) T:7.43V BATT C433 470p REVERSE R:6.78V PROTECTION T:6.76V VOLTAGE DETECTOR / RESET BATT IC405 RESET S-80942CNNBG9C R:4.79V R:0V SBC SW T:0.21V T:5.15V R400 Q402 2SK1830 C447 4700p...
  • Page 58 TK-3180 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6940-10) APCSW RESET C516 MMUTE 0.01u R:7.49V T:7.46V INT SW S DETECTOR S_DET IC505 Q502 R:0V R:0V SSM3K15TE TC7W53FK T:0.2V T:0.2V C734 C757 4700p AUX_Key CPU_DGND CPU_VCC S400 CP517 1k*2 DTRLOAD CP521 TDATA(10) 1k*2 DI/O...
  • Page 59 TK-3180 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6940-10) APCSW APCSW RXAFI(25) MMUTE MMUTE DETECTOR R674 D603 RB706F-40 C601 R601 R600 680k 390k R635 C622 4.7k 5600p R636 TUNE AF BUFFER HSD BPF / HSD COMP 4.7k IC603 IC600 MIC AMP / VOX...
  • Page 60 TK-3180 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6940-10) APCSW APCSW TCXO RXAFI(25) R695 MMUTE R:4.97V T:0.17V R:0V R:2.52V T:2.66V T:2.66V C679 L600 R691 0.1u Q610 2SJ243 MIC.AGC DETECTOR MMUTE SW Q606 D601 2SC4738(GR) RB706F-40 C680 R739 R681 R692 0.1u 180k R682 2.7k...
  • Page 61 TK-3180 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6940-10) APCSW APCSW R:5.01V T:8.19V TCXO T/R SHIFT HVC131 2p(B) 1.5p(B) HVC131 2SC5108(Y) R:0V PLL IC T/R SHIFT R:0V T:1.51V F_IN AMP FIN FILTER T:1.11V SHIFT SW DTA144EE T/R SHIFT R:1.35V R:5.01V T:0.21V T:5.19V 3p(B)
  • Page 62 TK-3180 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6940-10) APCSW APCSW R:2.03V RF AMP T:2.28V TX/RX RF SW RF BUFFER AMP D100 2SC5108(Y) 2SC5108(Y) HSC277 3.3u 4p(B) 0.5p 1SV325 VCO TX 2SK508NV(K52) DC SW / TX VCO MODULATOR D9,13 R:0V FREQUENCY 2SJ347 T:4.22V...
  • Page 63 TK-3180 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6940-10) TH100 100k APCSW TX FINAL AMP TX DRIVE AMP C125 Q105 R134 R:0V R:0V Q102 RD07MVS1 T:5.16V T:2.23V PRE-DRIVE AMP 2SK3391 470p R:0V R:0V R157 Q101 C113 L103 R:0V T:4.76V T:1.60V 2SK3077 T:2.62V R:0V...
  • Page 64 TK-3180 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6940-10) D106,107 ANT SW D106 R:0V T:1.89V HVC131 STRIP LINE C149 C152 R150 D107 L111 L112 L113 CN13 100p HVC131 100p C154 C156 CN603 1.5p(B) 2p(B) E23-1263-05 R:0V T:1.50V C294 L218 8.2n CN602 E40-5856-05 D213,214...
  • Page 65 TX-RX UNIT(X57-6940-10) 7.5V SB2 SW D106,107 TH100 ANT SW L400 F400 2SA1955(A) Q403 R:7.47V D106 BATT T:7.43V C433 100k R:0V APCSW APCSW APCSW APCSW APCSW APCSW APCSW APCSW APCSW APCSW STRIP LINE T:1.89V HVC131 470p TX FINAL AMP R150 C149 D107 C152 L111...
  • Page 66: Block Diagram

    TK-3180 BLOCK DIAGRAM SIDE KEY SECTION LCD ASSY TX-RX UNIT LEVEL D608 CONV TEMP 015AZ6.8 COMP D613: DA221 LCDRST PROTECT PROTECT D606: 015AZ6.8 LCDCS Q505 Q614 DATA IC500 Q616 2SJ144 2SJ347 SHIFT BU2099FV UPA672T LCDRS REGISTER D522 DA221 16key PROTECT...
  • Page 67 TK-3180 BLOCK DIAGRAM TOP PANEL EN1~4 Q621 IC400 Q401 2SC4649(N,P) XC61CC5602NR SSM3K15TE SHIFT/MODEL IC504 AT24256N10SI27 Q407: 2SK1830 IC402 D404 D402 Q408: 2SA1955(A) XC6204B502MR MA2S111 D500 E2PROM 1SR154-400 X500 MA2S111 DC SW 11.0952MHz PROTECT D501,502 IC503 PROTECT Q502 1SS388 RV5C386A SSM3K15TE...
  • Page 68: Level Diagram

    TK-3180 LEVEL DIAGRAM...
  • Page 69: Optional Accessories

    TK-3180 OPTIONAL ACCESSORIES KNB-31A (Ni-Cd 7.2V 1700mAh) KNB-33L (Li-ion 7.4V 1700mAh) ■ External view KNB-32N (Ni-MH 7.2V 2500mAh) ■ External view ■ Internal wiring ■ KNB-31A Internal wiring Discharge terminal side Discharge terminal side – – 47kΩ – – Rear charge terminal side Rear charge terminal side ■...
  • Page 70: 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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