Kenwood TK-2000 Service Manual Download Page 25

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C411

C412

C414

F500

Q301

ANT

Q500

R302

R304

R502

R311

SP–

(BRN)

SP+

(GRN)

R505

R508

R509

R318

R511

R326

R337

C303

C304

C305

C308

R345

C335

C502

C504

C505

C312

C314

C315

C513

C320

C514

C515

C337

C145

MIC300

–

R378

C159

D500

D501

IC302

IC303

IC500

CN200

R121

R122

R123

R323

CN500

BA
TT+

CN501

BA
TT–

CN502

R342

C501

R350

R351

C124

C324

R340

C346

C358

R406

R407

C409

F300

Q300

Q303

D400

D401

R303

R308

R309

R310

R312

R317

CN300

CN301

CN302

CN303

R321

CN504

CN505

CN506

CN507

R330

R335

R336

CN510

CN511

C301

C306

C500

C503

C506

C507

C318

C511

C522

R379

R301

CN503

D380

C325

R331

R409

R410

R408

R394

C397

IC503

IC501

Q306

Q302

L920

Q501

C385

Component side

Foil side

Layer 1

Layer 2

Layer 3

Layer 4

PC BOARD

TK-2000

TX-RX UNIT (X57-8093-00) Component side view (J7C-0043-00)

Summary of Contents for TK-2000

Page 1: ...IT DESCRIPTION 7 SEMICONDUCTOR DATA 10 COMPONENTS DESCRIPTION 11 PARTS LIST 12 EXPLODED VIEW 18 ADJUSTMENT 19 PC BOARD TX RX UNIT X57 8093 00 24 SCHEMATIC DIAGRAM 28 BLOCK DIAGRAM 32 LEVEL DIAGRAM 34 SPECIFICATIONS 35 REVISED II Helical antenna T90 1094 05 Button knob Side K29 9490 13 Knob PTT K29 9489 13 Plastic cabinet assy A02 4135 13 Knob Volume K29 9487 03 Knob Selector K29 9488 03 This servi...

Page 2: ...93 00 136 174MHz IF1 38 85MHz LOC 38 4MHz Document Copyrights Copyright 2014 by JVC KENWOOD Corporation All rights reserved No part of this manual may be reproduced translated distributed or transmitted in any form or by any means electronic mechanical photocopying recording or other wise for any purpose without the prior written permission of JVC KENWOOD Corporation Disclaimer While every precaut...

Page 3: ...D ver 2 20 or later The programming software can be used with a PC Fig ure 1 shows the setup of a PC for programming 3 2 Connection Procedure 1 Connect the transceiver to the personal computer with the interface cable Note You must install the KPG 22 driver in the computer to use the USB programming interface cable KPG 22U Choose the type of transceiver Transceiver programming Delivery Are you usi...

Page 4: ...on The KPG 137D is the programming software for the transceiver supplied on a CD ROM This software runs un der windows XP Vista 7 or 8 on a PC The software on this disk allows a user to program the transceiver via Program ming interface cable KPG 22A 22U Note Use the FPU that matches the market when you first set the market code and model name frequency data to the service unit The unit set by mis...

Page 5: ...rce transceiver The data of the source is sent to the target While the source is send ing data red LED will light While the target is receiving the data green LED will light When cloning of data is completed the source red LED turned off and the target automatically operates in the User mode 6 Additional targets can be continuously cloned When the Side key on the source is pressed the data of the ...

Page 6: ...e assembly Note Solder the speaker wire back in its original position if you have removed it d BRN GRN 2 Removing the TX RX unit from the Chassis 1 Remove the packing e 2 Remove the 13 screws f 3 Remove the packing g and two hexagon nuts h 4 Remove the solder from the antenna terminal using a soldering iron then lift the unit off i Note When reassembling the unit in the chassis be sure to solder t...

Page 7: ...xer These BPFs are adjusted by variable capacitors D201 D202 and D204 The input voltage to the variable capacitor is a regulated voltage out put from the DAC IC300 2 2 First Mixer The signal from the front end is mixed with the first local oscillator signal generated in the PLL circuit by Q203 to pro duce a first IF frequency of 38 85 MHz The resulting signal passes through the XF200 MCF to cut th...

Page 8: ... power amplifier IC302 where it is amplified and output to the speaker To output sounds from the speaker IC400 sends a high signal to the SPMUT line and turns IC400 on through Q300 Q301 Q302 and Q306 3 Transmitter System 3 1 Microphone Amplifier Circuit The signal from microphone amplified by IC301 and goes through mute switch IC300 IC304 is composed of high pass filter low pass filter and pre emp...

Page 9: ...trolling squelch on off via the DC voltage from the squelch circuit 5 Controlling the audio mute circuit via the decode data input 6 Transmitting tone and encode data Note The EEPROM stores tuning data Deviation Squelch etc Realign the transceiver after replacing the EEPROM 6 Signaling Circuit 6 1 Encode Low speed data QT DQT Low speed data is output from pin 49 LSDO of the MCU IC400 The signal pa...

Page 10: ...t 1 28 NC O NC 29 OPTDET I 2pin option detection 30 LEDR O LED red control 31 LEDG O LED green control 32 SPMUT O Power switch for AF amp 33 NC O NC 34 5TC O 5T control 35 5CC O 5C control SAVE 36 5MSC O 5MS control 37 DACLD O Load enable for DAC IC 38 PTT I PTT key input 39 PFKEY I PF key input 40 INT I INT signal input 41 VDCSW O Voltage discharge switch 42 WID NAR O Wide Narrow control 43 RXD I...

Page 11: ...03 FET DC switch Q304 Transistor DC switch Q305 Transistor W N switch Q306 FET Mute switch Q400 Transistor Switch Q401 Transistor DC switch Q402 Transistor DC switch Q500 FET DC switch Q501 FET DC switch Q502 Transistor DC switch D1 Diode Current steering Ref No Part Name Description D2 Variable capaci tance diode Frequency control VCO D3 Variable capaci tance diode Frequency control VCO D4 Diode ...

Page 12: ...X RX UNIT FOR SERVICE C1 CK73GB1E154K CHIP C 0 15UF K C2 CK73HB1A184K CHIP C 0 18UF K C4 CS77MA1A6R8M CHIP TNTL 6 8UF 10WV C5 CS77MA1ER68M CHIP TNTL 0 68UF 25WV C6 CK73HB1A105K CHIP C 1 0UF K TX RX UNIT X57 8093 00 C7 CC73HCH1H390G CHIP C 39PF G C8 CK73HBB1A104K CHIP C 0 10UF K C9 CK73HBB1A104K CHIP C 0 10UF K C11 CK73HB1A105K CHIP C 1 0UF K C12 CC73HCH1H0R5B CHIP C 0 5PF B C13 CS77BP0J010M CHIP T...

Page 13: ... 10PF D C229 CK73HB1C103K CHIP C 0 010UF K C230 CC73HCH1H050C CHIP C 5 0PF C C231 CC73HCH1H220J CHIP C 22PF J C232 CC73HCH1H030B CHIP C 3 0PF B C233 CK73HB1C103K CHIP C 0 010UF K C234 CC73HCH1H101J CHIP C 100PF J C235 CK73HBB1H102K CHIP C 1000PF K C236 CK73HBB1H102K CHIP C 1000PF K C237 CC73HCH1HR75B CHIP C 0 75PF B C238 CC73HCH1H270J CHIP C 27PF J C239 CK73HBB1H102K CHIP C 1000PF K C240 CC73HCH1H...

Page 14: ...5 3 5D PHONE JACK 3 5D 3P J301 2B E11 0717 05 2 5D PHONE JACK 2 5D 4P F101 F53 0287 05 FUSE 0 5A F300 F53 0467 05 FUSE 0 315A F500 FZA10BQ 3R15 FUSE 3 15A 101 2A J30 1308 04 SPACER MIC300 CF200 2A L72 1046 05 CERAMIC FILTER CD200 L79 1914 05 TUNING COIL D1 DA2J101 DIODE D2 BBY66 02V VARIABLE CAPACITANCE DIODE D3 BBY66 02V VARIABLE CAPACITANCE DIODE D4 BA892 02V DIODE D5 BBY57 02V VARIABLE CAPACITA...

Page 15: ...103J CHIP R 10K J 1 16W R23 RK73HB1J104J CHIP R 100K J 1 16W R25 RK73HB1J100J CHIP R 10 J 1 16W R26 RK73HB1J392J CHIP R 3 9K J 1 16W R27 RK73HB1J181J CHIP R 180 J 1 16W R28 RK73HB1J560J CHIP R 56 J 1 16W R29 RK73HB1J472J CHIP R 4 7K J 1 16W R30 RK73HB1J221J CHIP R 220 J 1 16W R32 RK73HB1J102J CHIP R 1 0K J 1 16W R33 RK73HB1J473J CHIP R 47K J 1 16W R34 RK73HB1J100J CHIP R 10 J 1 16W R37 RK73HB1J562...

Page 16: ...1J103J CHIP R 10K J 1 16W R336 RK73HB1J473J CHIP R 47K J 1 16W R337 RK73HB1J000J CHIP R 0 0 J 1 16W R340 RK73HB1J103J CHIP R 10K J 1 16W R342 RK73HB1J153J CHIP R 15K J 1 16W R344 RK73HB1J103J CHIP R 10K J 1 16W R345 RK73HB1J561J CHIP R 560 J 1 16W R347 RK73HB1J103J CHIP R 10K J 1 16W R348 RK73HB1J183J CHIP R 18K J 1 16W R350 RK73HB1J471J CHIP R 470 J 1 16W R351 RK73HB1J561J CHIP R 560 J 1 16W R352...

Page 17: ...6A 0002 00 ROTARY SWITCH SELECTOR S400 2B S70 0414 05 TACT SWITCH PTT MIC300 2A T91 0674 05 MIC ELEMENT TH100 B57331V2104J THERMISTOR TH260 B57331V2104J THERMISTOR X1 L77 3074 05 TCXO 19 2 MHZ X400 L77 2974 05 CRYSTAL RESONATOR 11 0592MHZ XF200 L71 0669 05 MCF If a part reference number is listed in a shaded box that part does not come with the PCB ...

Page 18: ...8 9 8 1 20 Cx13 TX RX unit 13 16 B 26 12 3 15 19 6 A 7 10 VR500 S402 4 700 701 J300 J301 2 A N09 2438 05 B N30 2606 48 C N83 2005 48 101 MIC300 CF200 CD200 S400 B 14 A If a part reference number is listed in a box on the exploded view of the PCB that part does not come with the PCB These parts must be ordered separately ...

Page 19: ...ility 0 2ppm or less 7 DC Ammeter 5A 8 AF Volt Meter AF VM Frequency Range 50Hz to 10kHz Voltage Range 1mV to 10V 9 Audio Generator AG Frequency Range 50Hz to 5kHz or more Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 Spectrum Analyzer Measuring Range 10kHz to 1GHz or more 12 Tracking Generator Center frequency 50kHz to 600MHz Output Voltage 100mV or...

Page 20: ...54I DQT D754I 9 None DTMF Code 159D 10 None DTMF Code 9 Preparations for Tuning the Transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Whenever the transmitter is tuned the unit must be con nected to a suitable dummy load i e power meter The speaker output connector must be terminated with a 8Ω dummy load and connected to an AC voltmeter and an audio ...

Page 21: ... 0A or less 4 DQT Balance Wide 1 Adj item Low Center High 3 points Signaling Square Wave Deviation meter filter LPF 3kHz HPF OFF Press Transmit button Power meter Deviation meter Oscilloscope AG AF VM TX RX ANT SP MIC connector FPU Make the modulation wave into square waves 5 Maximum Deviation Wide 1 Adj item Center Low High 3 points AG 1kHz 150mV Deviation meter filter LPF 15kHz HPF OFF Press Tra...

Page 22: ...DVM Oscilloscope AF VM TX RX ANT SP MIC connector Check 12dB SINAD or more Narrow 3 Adj item Low Center High 3 points SSG output 121dBm 0 2µV K 119dBm 0 25µV M SSG DEV 1 5kHz 2 Sensitivity Check Wide 1 Adj item Center 1 point SSG output 117dBm 0 32µV SSG DEV 3 0kHz FPU Write Narrow 2 Adj item Low High 2 points SSG output 115dBm 0 4µV SSG DEV 1 5kHz It is not necessary to adjust the fixed value for...

Page 23: ...TK 2000 23 MEMO ...

Page 24: ...IC401 R305 R306 R307 R120 R322 R323 R328 CN508 R332 R334 R344 C309 R347 C311 C313 C124 R355 R356 R357 C321 C322 C516 C323 C330 C332 C333 R370 C336 R375 R376 C340 C342 C349 R386 C158 C352 C360 D301 IC301 IC304 CN1 CN2 CN3 CV R358 C59 R218 R396 R473 R438 R412 C402 R397 R472 R471 R389 3 4 1 6 Q403 Ref No Address IC300 6I IC301 4H IC302 6P IC303 8L IC304 3H IC400 8H IC401 8F IC500 4M IC501 4M IC503 4O...

Page 25: ... CN501 BATT CN502 R342 C501 R350 4 5 1 8 R351 C124 C324 R340 C346 C358 R406 R407 C409 F300 Q300 Q303 S G D D D D D400 D401 R303 R308 R309 R310 R312 R317 CN300 CN301 CN302 CN303 R321 CN504 CN505 CN506 CN507 R330 R335 R336 CN510 CN511 C301 C306 C500 C503 C506 C507 C318 5 6 1 10 C511 C522 R379 R301 CN503 D380 C325 R331 R409 R410 R408 R394 C397 IC503 2 3 1 4 IC501 2 3 1 4 3 4 1 6 Q306 3 4 1 6 Q302 L92...

Page 26: ...4 L106 L108 L109 L112 R300 R115 R117 R119 TH100 C121 C122 R352 C123 R354 C125 C126 C128 C129 C130 C131 R361 R363 R364 C137 R369 4 5 1 8 C334 C146 C341 C343 D101 D102 C357 L208 L209 L210 R268 C271 Ref No Address IC1 8P IC200 8K IC305 8I Q1 7P Q2 4O Q3 5O Q4 5P Q5 5P Q6 6O Ref No Address Q7 9P Q100 4M Q101 5L Q102 4K Q200 9J Q201 9N Q202 8L Q203 6M Q204 6I Ref No Address Q401 7C Q402 8C D1 4P D2 4O ...

Page 27: ...C16 C17 R204 C19 R205 R206 R207 R226 R227 R229 C201 C202 C203 C204 C205 C207 C208 C210 C211 C212 C213 F101 C238 C240 C242 C243 D201 D202 L104 R109 TH100 R361 8 9 1 16 L207 L208 R202 R203 R210 C26 R213 C404 C405 C215 C216 C217 C219 C223 C224 R26 R28 8 9 1 16 Q7 R34 R2 R3 R9 R43 R50 R51 Q201 L211 L212 L213 C15 R201 R208 R209 C20 C29 C35 C37 R223 R224 C42 C225 C226 C230 C234 C2 Q101 G S D D2 D3 D4 D7...

Page 28: ...4 V I N 3 VoUT R 3 7 7 3 9 k C 3 5 4 0 2 2 u C353 1u D301 RB706F 40 RE1C001ZP Q500 C 3 5 5 1 u C 4 1 1 1 0 0 0 p S 4 0 1 S70 0514 05 CN510 R511 330k R 3 7 9 1 0 0 k R326 0 100p IC302 TA7368FG 1 NC1 2 VCC 3 NC2 4 VIN 5 RIPPLE 6 7 8 9 10 C315 10u 10 R378 1k Q304 LTA023JEBFS8 RW1E015RP Q303 RTQ035N03 Q302 R 3 3 0 1 0 k R 3 3 7 0 IC501 NJM2878F4 05 1 NC 2 VSS 3 CE 4 VIN 5 VoUT R 3 9 2 1 k R 3 9 3 1 k ...

Page 29: ...p C523 1000p C524 1000p DA2J101 C 3 3 8 3 3 0 p C 3 3 9 0 1 u R352 100k R354 330k R369 10k SQL 5MSC 5MS 5R 5T 5M RSSI HSDO BATT 5M SB 5MS 5T 5C 5R PTT TXD RXD PTT SPMUT SPMUT VDCSW THDET BSFT PLUL PFKEY EN4 EN3 EN2 EN1 SB LSDO WID NAR T RSHF 5TC PTT 5CC 5TC 5RC PFKEY TXD RXD INT NC VREF MODE NC NC RESET XOUT VSS XIN VCC BSFT NC NC NC CLOCK PLDL DACLD PLUL EN4 EN3 EN2 EN1 NC LEDR LEDG SPMUT 5MSC 5T...

Page 30: ... L5 10u C 1 3 1 u 6 3 MCH3914 7 H Q4 C 1 2 0 5 p B D5 B B Y 5 7 0 2 V R 2 2 10k R23 100k C1 0 1 5 u R 1 3 6 8 0 R 1 1 2 7 k D4 B A 8 9 2 0 2 V D100 1SS390 D 2 0 0 1 S S 3 9 0 L 3 1 8 n CN1 R26 3 9k R 3 4 1 0 C23 1000p R 2 8 5 6 C 2 0 1 0 u 1 6 R 5 1 33k R 5 0 1 0 0 k C 4 3 1 0 0 0 p R155 4 7 IC401 BR24T16FVT W 1 2 3 4 5 SDA 6 SCL 7 WP 8 VCC 4 7 k 4 7 k R43 10k 4 7 k L 1 0 0 6 8 n C102 1000p R 1 0 ...

Page 31: ...202 0 01u R112 47 C341 3300p R209 47 C108 1000p C231 22p R122 0 39 R220 470 R106 100k C210 0 1u R224 120k R208 100 L105 3T R218 1k R223 82k C137 6p B C136 27p 22p XF200 L71 0669 05 390p L104 9T CF200 L72 1046 05 C113 1000p LSCR523EBFS8 Q201 L109 2 2u R205 3 3k C204 0 022u R115 0 CN201 C125 27p C208 0 1u C212 0 1u R217 0 L102 27n Q103 LTC014EEBFS8 330 C158 1000p C134 1000p CN200 R114 0 L108 C126 5p...

Page 32: ...501 SB 5M 5C 5T IC503 Q501 RE1C001ZP Q502 LTA023JEBFS8 5TC 5R 5RC 5CC RESET IC500 BU4830F D500 GN1G BATT 7 5V EN4 EN3 EN2 S400 S70 0414 05 PTT 5MS D401 B30 1779 05 D400 B30 1782 05 Q401 LEDR LEDG Q400 2SC4919 S X400 L77 2974 05 XOUT XIN 5M E2CLK E2WP BSFT 11 0592MHz IC400 F2136ACNKDRD IC401 BR24T16FVT W 19 2MHz VHF 174 85 136M 5M Q402 SB VOLIN FUSE F500 B DO PTT 3 5 VR500 R31 0684 05 2 1 4 6 S402 ...

Page 33: ...S8 B MIC AFOUT DETAF IC302 TA7368FG Q302 RTQ035N03 Q306 RTQ035N03 Q301 LTC044EEBFS8 Q303 RW1E015RP SB Q300 LTC044EEBFS8 SPMUT SP MIC 1st Local 2nd Local 38 4MHz VHF 136MHz 174MHz ANT VHF 174 85MHz 212 85MHz RX 136MHz 174MHz TX 1st IF 38 85MHz SPG TXD SPK AFO PTT RXD MIC IM OPTDED 5MS D380 EDZV6 8B RXD J301 E11 0717 05 J300 E11 0484 05 MIC300 T91 0674 05 OPTDET 5MS WID NAR 5T DAC IC300 R2A20178NP D...

Page 34: ...ng capacitor Receiver Section Transmitter Section FM IF SYSTEM DAC SG 53dBm 50Ω ANT 58 0dBm 74 8dBm 67 6dBm 55 0dBm 52 6dBm 47 5dBm 60 8dBm 33 47dBm 174mVrms 71mVrms 1 9Vrms 1 9Vrms 1 9Vrms C250 C247 C240 C237 C224 C221 C216 C328 C320 C302 SP 500mW Q306 Q302 IC302 IC300 IC200 Q202 XF200 MIXER Q203 Q204 RF CENTER FREQUENCY IF1 38 85MHz IF2 450kHz AF 1kHz IC300 DAC AF AMP C29 11 2dBm VCO C33 5 2dBm ...

Page 35: ...3L battery 1130mAh battery 54 2 13 W x 113 4 45 H x 24 9 0 98 D mm in 203g 7 2oz Receiver Measurements made per TIA EIA 603 Sensitivity EIA 12dB SINAD 0 25µV Wide 0 28µV Narrow Selectivity 70dB Wide 60dB Narrow Intermodulation Distortion 65dB Wide 60dB Narrow Spurious Response 65dB Audio Output 500mW at 8Ω Transmitter Measurements made per TIA EIA 603 RF Output Power 5W 1W Spurious Response 65dB M...

Page 36: ...TK 2000 Communications Systems BU ...

Page 37: ...3 R350 4 5 1 8 R351 C124 R355 R356 R357 C321 C322 C516 C323 C324 C330 C332 C333 R370 R340 C336 R375 R376 C340 C342 C346 C349 R386 C158 C352 C358 C360 D301 IC301 IC304 CN1 CN2 CN3 CV R358 R406 R407 C409 F300 Q300 Q303 S G D D D D D400 D401 R303 R308 R309 R310 R312 R317 CN300 CN301 CN302 CN303 R321 CN504 CN505 CN506 CN507 R330 R335 R336 CN510 CN511 C301 C306 C500 C503 C506 C507 C318 5 6 1 10 C511 C5...

Page 38: ...202 L104 L106 L108 L109 L112 R109 R300 R115 R117 R119 TH100 C121 C122 R352 C123 R354 C125 C126 C128 C129 C130 C131 R361 R363 R364 C137 R369 4 5 1 8 8 9 1 16 C334 C146 C341 C343 D101 D102 C357 L207 L208 L209 L210 R202 R203 R210 C26 R213 C404 C405 C215 C216 C217 C219 C223 C224 R26 R28 8 9 1 16 Q7 R34 R2 R3 R9 R43 R50 R51 Q201 L211 L212 L213 C15 R201 R208 R209 C20 C29 C35 C37 R223 R224 C42 C225 C226 ...

Page 39: ...04 0 1u CN502 R 3 4 1 0 C23 1000p R 2 8 5 6 C 3 0 4 1 0 u 1 0 u C 2 0 1 0 u 1 6 IC500 BU4830F 1 NC V S S 4 V I N 3 VoUT X 4 0 0 1 1 0 5 9 2 M H z R 5 1 3 3 k R 5 0 1 0 0 k C 4 3 1 0 0 0 p R155 4 7 R374 47k D C 3 5 0 1 0 0 0 p C 3 5 2 1 0 0 0 p R 3 7 6 4 7 k R136 1 8k C 1 3 9 2 2 u C 1 4 5 1 0 0 0 p C 1 4 6 1 8 p R 3 7 7 3 9 k C 3 5 4 0 2 2 u C353 1u D301 RB706F 40 RE1C001ZP Q500 C224 0 01u R215 33...

Page 40: ... EN2 S400 S70 0414 05 PTT 5MS D401 B30 1779 05 D400 B30 1782 05 Q401 LEDR LEDG Q400 2SC4919 S X400 L77 2974 05 XOUT XIN 5M E2CLK E2WP BSFT 11 0592MHz IC400 F2136ACNKDRD IC401 BR24T16FVT W MIC AFOUT DETAF IC302 TA7368FG Q302 RTQ035N03 Q306 RTQ035N03 Q301 LTC044EEBFS8 Q303 RW1E015RP SB Q300 LTC044EEBFS8 SPMUT SP MIC 1st Local 2nd Local 38 4MHz 19 2MHz VHF 136MHz 174MHz ANT VHF 174 85MHz 212 85MHz RX...

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