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SERVICE MANUAL

This product uses Lead Free solder.

This product complies with the RoHS directive for the European market

VHF FM TRANSCEIVER

TK-P701

CONTENTS

GENERAL ....................................................2

SYSTEM SET-UP .........................................3

REALIGNMENT ...........................................3

DISASSEMBLY FOR REPAIR .....................6

CIRCUIT DESCRIPTION .............................7

SEMICONDUCTOR DATA .........................10

COMPONENTS DESCRIPTION ................11

PARTS LIST ...............................................12

EXPLODED VIEW ......................................17

ADJUSTMENT ...........................................18

PC BOARD

TX-RX UNIT (X57-8093-00) ....................22

SCHEMATIC DIAGRAM ............................26

BLOCK DIAGRAM .....................................30

LEVEL DIAGRAM ......................................32

SPECIFICATIONS ......................................33

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)

Содержание TK-P701

Страница 1: ...3 REALIGNMENT 3 DISASSEMBLY FOR REPAIR 6 CIRCUIT DESCRIPTION 7 SEMICONDUCTOR DATA 10 COMPONENTS DESCRIPTION 11 PARTS LIST 12 EXPLODED VIEW 17 ADJUSTMENT 18 PC BOARD TX RX UNIT X57 8093 00 22 SCHEMATIC DIAGRAM 26 BLOCK DIAGRAM 30 LEVEL DIAGRAM 32 SPECIFICATIONS 33 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 K...

Страница 2: ...d SHUT OFF and DO NOT operate this equipment near electrical blasting caps or in an explosive atmosphere This equipment should be serviced by a qualified techni cian only SERVICE This transceiver is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alignment procedures contained within Model TX RX unit Frequency range Remarks TK P701 X57 8093 00 136 174MHz...

Страница 3: ...are KPG 155D 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 using the ...

Страница 4: ...on The KPG 155D is the programming software for the transceiver supplied on a CD ROM This software runs un der windows XP Vista or 7 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 mista...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 12: ...81 05 BATTERY ASSY ACCESSORY X57 8090 21 TX RX UNIT FOR SERVICE D400 B30 1782 05 LED GREEN D401 B30 1779 05 LED RED 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 C7 CC73HCH1H560G CHIP C 56PF G C8 9 CK73HB1A104K CHIP C 0 10UF K C11 CK73HB1A105K CHIP C 1 0UF K C12 CC73HCH1H0R5B...

Страница 13: ...C 39PF G C239 CK73HB1H102K CHIP C 1000PF K C240 CC73HCH1H010B CHIP C 1 0PF B C242 CC73HCH1H390G CHIP C 39PF G C243 CC73HCH1H020B CHIP C 2 0PF B C244 246 CK73HB1H102K CHIP C 1000PF K C247 CC73HCH1H470G CHIP C 47PF G C248 CK73HB1H102K CHIP C 1000PF K C249 CC73HCH1H390G CHIP C 39PF G C250 CC73HCH1H470G CHIP C 47PF G C251 CK73HB1H102K CHIP C 1000PF K C253 CC73HCH1H010B CHIP C 1 0PF B C254 CC73HCH1H390...

Страница 14: ...FIXED INDUCTOR 82NH L209 L41 6878 14 SMALL FIXED INDUCTOR 68NH L210 L41 1878 14 SMALL FIXED INDUCTOR 18NH L211 L40 5681 86 SMALL FIXED INDUCTOR 0 56UH L212 L40 8281 86 SMALL FIXED INDUCTOR 0 82UH L213 L40 5681 86 SMALL FIXED INDUCTOR 0 56UH L215 L41 8278 14 SMALL FIXED INDUCTOR 82NH X1 L77 3074 05 TCXO 19 2 MHZ X400 L77 2974 05 CRYSTAL RESONATOR 11 0592MHZ XF200 L71 0669 05 MCF 38 85MHZ R1 RK73HB1...

Страница 15: ...J 1 16W R324 325 RK73HH1J473D CHIP R 47K D 1 16W R326 RK73HB1J000J CHIP R 0 J 1 16W R327 RK73HB1J824J CHIP R 820K J 1 16W R328 RK73HB1J684J CHIP R 680K J 1 16W R329 330 RK73HB1J103J CHIP R 10K J 1 16W R331 RK73HB1J473J CHIP R 47K J 1 16W R332 RK73HB1J272J CHIP R 2 7K J 1 16W R334 RK73HB1J103J CHIP R 10K J 1 16W R335 RK73HB1J000J CHIP R 0 J 1 16W R336 RK73HB1J473J CHIP R 47K J 1 16W R337 RK73HB1J00...

Страница 16: ...DR720E P DIODE IC1 MB15E03SL E1 MOS IC IC200 NJM2591V BI POLAR IC IC300 R2A20178NP DAC IC301 NJM12904RB1 MOS IC IC302 TA7368PL MOS IC IC303 305 NJM12904RB1 MOS IC IC400 F2136ACNKDRB MCU IC401 EX24016ATAS0A ROM IC IC500 XC6120N302N G MOS IC IC501 XC6209B502P G MOS IC IC503 XC6209B502P G MOS IC Q1 RT1N141U T111 TRANSISTOR Q2 RT1N436U T111 TRANSISTOR Q3 2SC5383 T111 TRANSISTOR Q4 MCH3914 7 H FET Q5 2...

Страница 17: ...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 ...

Страница 18: ...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...

Страница 19: ...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 ...

Страница 20: ... 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...

Страница 21: ...ope AF VM TX RX ANT SP MIC connector Check 12dB SINAD or more Wide 2 TEST CH 1 SSG output 117dBm 0 32µV SSG DEV 3 0kHz 2 Squelch Level 5 Write Wide 1 Adj item Low Center High 3 points SSG output 119dBm 0 25µV SSG DEV 3 0kHz FPU Write Narrow 2 Adj item Low Center High 3 points SSG output 119dBm 0 25µV SSG DEV 1 5kHz It is not necessary to adjust the fixed value for the BPF The Squelch Level 9 setti...

Страница 22: ... Q305 Q502 IC400 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 R433 Ref No Address IC300 6I IC301 4H IC302 6P IC303 8L IC304 3H IC400 8H IC401 8F IC500 4M IC501 4M IC503 4O Ref No Add...

Страница 23: ... 1 CF200 R121 R122 R123 R323 CN500 BATT CN501 BATT CN502 R342 C501 R350 4 5 1 8 R351 C124 C324 R340 C346 C358 R406 R407 C409 F300 Q300 Q302 Q303 S G D D D D Q306 D400 D401 Q501 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 IC501 3 4 5 1 R301 CN503 D380 C325 R331 R409 R410 R408...

Страница 24: ...C248 D202 L104 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 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 4...

Страница 25: ...11 C12 C13 R200 C14 C16 C17 R204 C19 R205 R206 R207 R226 R227 R229 R230 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 C24 C29 C35 C37 R223 R224 C42 C225 C226 C230 C...

Страница 26: ...4 1 0 u IC500 XC6120N302N G 1 NC V S S 4 V I N 3 VoUT R 3 7 7 3 9 k C 3 5 4 0 2 2 u C353 1u D301 KDR731 MCH3309 H 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 TA7368PL 1 NC1 2 VCC 3 NC2 4 VIN 5 RIPPLE 6 7 8 9 10 C315 10u 10 R378 1k Q304 LTA023JEBFS8 SSM6J08FU F Q303 2SK3577 A Q302 R 3 3 0 1 0 k R 3 3 7 0 IC501 XC6209B502P G 1 NC 2 VSS 3 C...

Страница 27: ...C523 1000p C524 1000p DA2S101 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 5TC ...

Страница 28: ...6 1000p L5 10u C 1 3 1 u 6 3 MCH3914 7 H Q4 C 1 2 0 5 p B D5 H V C 3 5 0 B R 2 2 10k R23 100k C1 0 1 5 u R 1 3 6 8 0 R 1 1 2 7 k D4 H S C 2 7 7 D100 HSC277 D 2 0 0 H S C 2 7 7 L 3 2 2 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 18 IC401 EX24016ATAS0A 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...

Страница 29: ...p C117 2 2u C220 1000p L107 5T C120 1000p R212 180k C131 1000p C242 39p C223 6p B C202 0 01u R112 47 C341 3300p R209 47 C108 1000p C231 22p R122 0 39 R220 330 R106 100k C210 0 1u R224 82k R208 100 L105 3T R218 1k R223 82k C137 6p B C136 27p 22p XF200 L71 0669 05 220p L104 9T CF200 L72 1046 05 C113 1000p KTC4080E P Q201 L109 2 2u R205 6 8k C204 0 022u R115 0 CN201 C125 27p C246 1000p C208 0 1u C212...

Страница 30: ...M 5C 5T IC503 Q501 SSM3J05FU F Q502 RT1P237U T111 5TC 5R 5RC 5CC RESET IC500 XC6120N302N G D500 GN1G BATT 7 5V EN2 EN4 EN3 EN1 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 F2136ACNKDRB IC401 EX24016ATAS0A 19 2MHz VHF 174 85 136M 5M Q402 SB VOLIN FUSE F500 B DO PTT 3 5 VR500 R31 0684 05 2 1 7 8...

Страница 31: ... T111 B MIC AFOUT DETAF IC302 TA7368PL Q302 2SK3577 A Q306 2SK3577 A Q301 RT1N441U T111 Q303 SSM6J08FU F SB Q300 RT1N141U T111 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 RXD J301 E11 0717 05 J300 E11 0484 05 MIC300 T91 0674 05 OPTDET 5MS WID NAR 5T DAC IC300 R2A20178NP DALD CLK...

Страница 32: ...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 ...

Страница 33: ...54 W x 113 H x 14 D mm 130g With KNB 65L battery 1520mAh battery 54 W x 113 H x 25 D mm 222g 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 Res...

Страница 34: ...TK P701 ...

Страница 35: ...ATT CN502 CN508 R332 R334 R342 R344 C309 R347 C501 C311 C313 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 Q302 Q303 S G D D D D Q306 D400 D401 Q501 R303 R308 R309 R310 R312 R317 CN300 CN301 CN302 CN303 R321 CN504 CN505 CN506 CN507 R330...

Страница 36: ... C243 C245 C246 C247 C248 D201 D202 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 C24 ...

Страница 37: ...0 C400 0 1u C401 1000p C405 1000p C404 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 10u 16 IC500 XC6120N302N G 1 NC VSS 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 100k C 4 3 1 0 0 0 p R155 18 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 KDR731 MCH...

Страница 38: ...2 EN4 EN3 EN1 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 F2136ACNKDRB IC401 EX24016ATAS0A MIC AFOUT DETAF IC302 TA7368PL Q302 2SK3577 A Q306 2SK3577 A Q301 RT1N441U T111 Q303 SSM6J08FU F SB Q300 RT1N141U T111 SPMUT SP MIC 1st Local 2nd Local 38 4MHz 19 2MHz VHF 136MHz 174MHz ANT VHF 174 85MH...

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