Kenwood TK-2302 Скачать руководство пользователя страница 33

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TX-RX UNIT (X57-7570-20) Foil side view (J79-0186-09)

PC BOARD

TK-2302/2302

(

)

/2306

Component side

Foil side

Layer 1

Layer 2

Layer 3

Layer 4

Содержание TK-2302

Страница 1: ... FOR REPAIR 6 CIRCUIT DESCRIPTION 9 SEMICONDUCTOR DATA 13 TERMINAL FUNCTION 13 COMPONENTS DESCRIPTION 14 PARTS LIST 15 EXPLODED VIEW 22 PACKING 23 ADJUSTMENT 25 PC BOARD TX RX UNIT X57 7570 20 30 SCHEMATIC DIAGRAM 34 BLOCK DIAGRAM 38 LEVEL DIAGRAM 40 SPECIFICATIONS 41 Helical antenna T90 1036 15 Button knob PTT K29 9425 03 Button knob Side1 Side2 K29 9426 03 Knob Selector K29 9427 03 Knob Volume K...

Страница 2: ...lication date Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions These are issued as required ORDERING REPLACEMENT PARTS When ordering replacement parts or equipment informa tion the full part identification number should be included This applies to all parts components kits or chassis If the part number is not known include the chassis or kit num...

Страница 3: ...e are required for programming The frequency TX power HI LOW and signalling data are programmed for the transceiver YES NO KMC 17 KMC 21 or KMC 45 Speaker microphone Option Are you using the optional antenna YES NO KRA 22 or KRA 26 Optional antenna TX RX 136 174 5 0W TK 2302 K P M TK 2302 V K TK 2306 M Frequency range MHz RF power Type 2 How to Enter Each Mode Mode Operation User mode Power ON PC ...

Страница 4: ...lied CD ROM with driver software in the computer The KCT 53U driver runs under Windows 2000 or XP 3 5 FPU Programming Software Description The FPU is the programming software for the transceiver supplied on a CD ROM The software on this disk allows a user to program the transceiver transceivers via Program ming interface cable KPG 22 22A 3 6 Programming with PC If data is transferred to the transc...

Страница 5: ...to two or more transceivers by repeating the above procedures If the transceivers wireless clone mode is configured as Disabled the transceiver cannot enter wireless clone mode The table shown below will cover the frequency tables used for wireless cloning Wireless clone mode cannot be entered in battery low state A unit cannot be a Source Unit if it is unprogrammed If PTT is pressed an error tone...

Страница 6: ...he flat cable connector o 7 Lift and remove the TX RX unit from the chassis 0 B B B B B B B 2 8 3 Removing the Battery Release Lever from the Case Assembly 1 Press the upper part of the lever toward the inside of the case assembly One side of the shaft will be removed q 2 Lift and remove the battery release lever from the case assembly w 4 Attaching the Battery Release Lever to the Case Assembly 1...

Страница 7: ...f the posi tive terminal r 7 Mounting the Chassis to the Case Assembly 1 Confirm that the waterproof packing attached to the circumference of the chassis is securely inserted in the groove of the chassis q 2 Attach the speaker with waterproof packing to the speaker recess of the case assembly w Make sure the speaker clasp is securely inserted 3 Tighten the speaker clasp into the case assembly with...

Страница 8: ... heights of nuts of the volume knob and channel knob are different from one another The nut of volume knob is silver and the nut of channel knob is gold Use the following jig when removing the nuts of the vol ume knob and channel knob Jig Part No W05 1012 00 Volume knob Long Channel knob Short DISASSEMBLY FOR REPAIR 10 Screw sequence for mounting the TX RX unit to the chassis Attach the TX RX unit...

Страница 9: ...e the opitimun charac teristics such as adjacent frequency selectivity IF Amplifier Circuit The first IF signal is passed through a four pole monolithic crystal filter XF201 to remove the adjacent channel signal The filtered first IF signal is amplified by the first IF ampli fier Q202 and then applied to the lF system IC IC201 The IF system IC provides a second mixer limiting amplifier quadrature ...

Страница 10: ...ator signal for reception and the RF signal for transmission PLL The frequency step of the PLL circuit is 2 5 5 6 25 or 7 5kHz A 12 8MHz reference oscillator signal is divided at IC1 by a fixed counter to produce an oscillator VCO output signal which is buffer amplified by Q3 then divided in IC1 by a pro grammable counter The divided signal is compared in phase with the 5 10 12 5 or 15kHz referenc...

Страница 11: ...arried out by the change of the reference voltage Encode Signaling QT DQT QT DQT data of the QTTCXO Line is output from pin 14 of the MCU The signal passes through a low pass CR filter and goes to the TCXO X1 The QT DQT data of the QTVCO Line is output from pin 15 of the MCU The signal passes through a low pass CR fil ter mixes with the audio signal and goes to the VCO modu lation input TX deviati...

Страница 12: ...elow the warning voltage shown in the table 1 The red LED blinks when the battery voltage falls below the voltage 1 shown in the table during transmission Note The transceiver checks the battery voltage during reception even when in the FPU the Battery Warning status function is set to On TX default setting However the LED does not blink during reception Dur ing transmission the LED blinks to gene...

Страница 13: ...band IC data input output 49 DTRLOADN O Baseband IC data output 50 TDATA DTRCLK O Baseband IC data output 51 SCLK O Serial clock for baseband IC 52 TCLK DTRDO I Baseband IC data input 53 RDF FD I Baseband IC data input 54 MDSW I No function 55 PTT I PTT switch input 56 SIDE1 I Side1 key input 57 SIDE2 I Side2 key input 58 62 EN5 EN1 I Channel selector input 63 DIST1 I No function 64 DIST2 I No fun...

Страница 14: ...3 FET Mixer Q204 FET Low noise amplifier COMPONENTS DESCRIPTION Ref No Part Name Description Q301 Transistor DC switch Red color LED Q302 Transistor DC switch Green color LED Q303 Transistor DC switch 5R Q304 Transistor DC switch 5T Q305 306 Transistor Beat shift switch Q307 Transistor Wide Narrow switch TX Q308 Transistor Rectification Q310 311 Transistor MIC mute Q312 313 Transistor DC switch Q3...

Страница 15: ...Blue Violet ppm C 0 80 150 220 330 470 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10μF 10 50 20 20 0 Less than 4 7μF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000...

Страница 16: ...T 47 2A J19 5473 03 HOLDER ASSY BATT 48 2C 2E J19 5521 03 HOLDER SP MIC ACCESSORY 49 2B J19 5522 03 SPEAKER CLASP 50 2C 1E J29 0734 05 BELT HOOK ACCESSORY 51 2A J82 0121 05 FPC 52 1A J99 0737 04 ADHESIVE SHEET PTT 54 1B K29 9309 13 KNOB VOLUME 55 1A K29 9425 03 BUTTON KNOB PTT 56 1A K29 9426 03 BUTTON KNOB MON PF 57 1B K29 9427 03 KNOB SELECTOR A 3B N14 0848 05 CIRCULAR NUT SELECTOR B 3B N14 0849 ...

Страница 17: ... C 27PF J C139 CC73GCH1H680J CHIP C 68PF J C140 CK73HB1H102K CHIP C 1000PF K C141 CC73GCH1H270J CHIP C 27PF J C143 CC73GCH1H130J CHIP C 13PF J C145 CC73GCH1H820J CHIP C 82PF J C146 CC73GCH1H070B CHIP C 7 0PF B C148 CK73HB1H102K CHIP C 1000PF K C149 CC73GCH1H220J CHIP C 22PF J C150 CK73GB1H102K CHIP C 1000PF K C151 CC73GCH1H100D CHIP C 10PF D C152 CC73GCH1H110J CHIP C 11PF J C153 CC73GCH1H100D CHIP...

Страница 18: ... 1885 92 SMALL FIXED INDUCTOR 180NH L207 L40 1085 92 SMALL FIXED INDUCTOR 100NH L209 L41 5678 14 SMALL FIXED INDUCTOR 56NH L210 L92 0138 05 CHIP FERRITE L211 L41 5678 14 SMALL FIXED INDUCTOR 56NH C264 CC73HCH1H050B CHIP C 5 0PF B C265 CC73HCH1H300J CHIP C 30PF J C303 CK73HB1H102K CHIP C 1000PF K C304 CK73HB1A104K CHIP C 0 10UF K C305 CC73HCH1H101J CHIP C 100PF J C306 CK73GB1A105K CHIP C 1 0UF K C3...

Страница 19: ...J CHIP R 330 J 1 16W R46 RK73HB1J222J CHIP R 2 2K J 1 16W R47 RK73HB1J472J CHIP R 4 7K J 1 16W R101 102 RK73HB1J103J CHIP R 10K J 1 16W R103 RK73HB1J331J CHIP R 330 J 1 16W R104 RK73HB1J220J CHIP R 22 J 1 16W R105 RK73HB1J331J CHIP R 330 J 1 16W R106 RK73HB1J180J CHIP R 18 J 1 16W R107 RK73HB1J331J CHIP R 330 J 1 16W R108 RK73HB1J473J CHIP R 47K J 1 16W R109 RK73HB1J271J CHIP R 270 J 1 16W R110 RK...

Страница 20: ...0 J 1 16W R379 RK73HB1J102J CHIP R 1 0K J 1 16W R380 RK73HB1J474J CHIP R 470K J 1 16W R381 RK73HB1J151J CHIP R 150 J 1 16W R383 RK73HB1J563J CHIP R 56K J 1 16W R384 RK73HB1J333J CHIP R 33K J 1 16W R385 RK73GB2A101J CHIP R 100 J 1 10W R387 RK73HB1J104J CHIP R 100K J 1 16W R388 RK73HB1J101J CHIP R 100 J 1 16W R389 RK73HB1J000J CHIP R 0 0 J 1 16W R390 RK73GB2A000J CHIP R 0 0 J 1 10W R391 RK73HB1J102J...

Страница 21: ...306 21 PARTS LIST Ref No Address Parts No Description Desti nation New parts Ref No Address Parts No Description Desti nation New parts TX RX UNIT X57 7570 20 TH101 B57331V2104J THERMISTOR TH201 B57331V2104J THERMISTOR ...

Страница 22: ... PCB that part does not come with the PCB These parts must be ordered separately 3 2 1 B A 57 54 55 52 56 1 11 10 9 22 21 34 67 35 49 16 17 E TX RX unit Ex10 A C C B E Dx2 701 Model name plate 32 MIC301 51 29 CF201 63 65 36 13 33 25 24 28 47 31 46 15 2 19 30 27 26 14 A N14 0848 05 B N14 0849 05 C M2 6 x 4 N30 2604 48 D M2 6 x 6 N30 2606 48 E M2 x 5 N83 2005 48 23 101 X57 X57 ...

Страница 23: ...5 AK VK AM 74 Charger KSC 31 W08 1067 05 BM 75 AC adapter W08 1075 05 BM 72 AC adapter W08 0989 15 AK VK 73 AC adapter W08 0992 05 AM 50 Belt hook J29 0734 05 4 Cap B09 0725 03 61 Screw set N99 2046 05 48 Holder SP MIC J29 5521 03 39 Packing fixture H12 4251 05 42 Item carton case H52 2300 13 68 Helical antenna T90 1036 15 705 Battery assy Ni Cd BM 706 Battery assy Li ion AK VK AM 1 2 2 1 AK TK 23...

Страница 24: ...B62 2139 00 703 704 Protection bag 50 Belt hook J29 0734 05 4 Cap B09 0725 03 61 Screw set N99 2046 05 48 Holder SP MIC J29 5521 03 38 Packing fixture H12 4250 05 43 Item carton case H52 2301 03 40 Carton board H13 2109 03 70 AC adapter W08 0970 35 74 Charger KSC 31 W08 1067 05 707 Battery assy Ni MH 68 Helical antenna T90 1036 15 1 1 ...

Страница 25: ...ply 5V to 10V approx 3A Useful if ammeter equipped Antenna connector adapter The antenna connector of this transceiver uses an SMA terminal Use an antenna connector adapter SMA f BNC f or SMA f N f for adjustment The adapter is not provided as an option so buy a commercially available one Repair Jig Chassis Use jig part No A10 4215 03 for repairing the transceiv er Place the TX RX unit on the jig ...

Страница 26: ...159D 9 None DTMF Tone 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 distortion meter or a SINAD meas...

Страница 27: ...uency Adjust 1 CH High PTT ON f counter ANT TX RX VR1 173 900MHz 50Hz 2 High Transmit Power 1 TEST CH Low Low Center High High 5 points BATT terminal voltage 7 5V PTT ON Power meter Ammeter FPU 5 0W 0 1W 2 0A or less 3 Low Transmit Power 1 TEST CH Low Low Center High High 5 points BATT terminal voltage 7 5V PTT ON 1 0W 0 1W 1 0A or less 4 Maximum Deviation Wide 1 TEST CH Center Low High 3 points A...

Страница 28: ... DTMF Fine Deviation Wide 1 TEST CH Center Deviation meter filter LPF 15kHz HPF OFF PTT ON 3 0kHz 100Hz Narrow 2 TEST CH Center PTT ON 1 5kHz 100Hz 9 MSK Fine Deviation Wide 1 TEST CH Center Deviation meter filter LPF 15kHz HPF OFF PTT ON 3 0kHz 100Hz Narrow 2 TEST CH Center PTT ON 1 5kHz 100Hz Receiver Section Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Termin...

Страница 29: ...Bm 0 16µV SSG MOD 3 0kHz FPU Write Narrow 2 TEST CH Center SSG otuput 122dBm 0 18µV SSG MOD 1 5kHz 4 Squelch Tight Wide 1 TEST CH Center Low High 3 points SSG otuput 117dBm 0 3µV SSG MOD 3 0kHz Narrow 2 TEST CH Center SSG otuput 116dBm 0 35µV SSG MOD 1 5kHz 5 Battery Warning Level 1 BATT terminal voltage 5 9V SSG DVM TX RX ANT BATT terminal Write BATT terminal voltage 5 9V Adjustment Points Compon...

Страница 30: ... IC301 3 1 4 5 IC305 IC306 CP302 CP1 C10 R210 C27 C30 CN201 BUSY C32 CN202 RSSI CN203 BPF C35 C201 TH201 C210 Q303 Q307 L7 R325 IC1 R14 R15 R16 R18 R22 R7 C341 Q201 C11 C15 R209 C2 C320 C4 C6 VOX QTI GND SB 1 20 21 40 41 60 61 80 AFMUTE AFCONT B GND GND 5R W N 5C PTT MOD LD 10 11 1 20 TK 2302 2302 V 2306 PC BOARD TX RX UNIT X57 7570 20 Component side view J79 0186 09 Ref No Address IC1 9G IC101 4N...

Страница 31: ...97 CP304 5T PCTV ANT 1 11 EN5 EN4 EN3 GND EN2 EN1 AFVOLGND AFVOLOUT AFVOLIN SB B C402 C403 Q103 Q312 Q313 Q314 Q315 L117 R111 R118 R124 R125 R126 R128 R129 R130 R131 R133 C103 TH101 C107 C109 C122 C124 C320 C322 C136 R379 R380 R384 R390 D101 R393 IC101 4 5 1 8 IC309 C399 R127 C131 SP SP 5 6 1 10 J79 0186 09 TXD AE SPI SPO NC 5M OPTDET MIC PTT RXD MICIN TX RX UNIT X57 7570 20 Component side view J7...

Страница 32: ... L111 L114 R103 R105 R107 R108 R109 R113 R114 R119 R121 R122 C108 C114 C119 C120 C123 C125 C127 C129 C134 C135 C145 C149 C152 C153 C155 C156 C157 D103 D104 D105 L209 L210 L211 L213 L214 R220 C53 C58 C61 C66 C72 C77 C228 C80 D8 L109 L115 CP201 CP203 L15 L21 C132 C138 C139 Q5 C141 R33 Q102 D S G J79 0186 09 TK 2302 2302 V 2306 PC BOARD TX RX UNIT X57 7570 20 Foil side view J79 0186 09 Ref No Address...

Страница 33: ...07 C373 C374 C378 C381 C385 C386 IC308 1 9 10 16 17 25 26 32 C390 C392 C393 X1 C12 C14 R203 C18 R205 R207 R208 R220 C61 C66 C77 C228 CP201 R101 L21 Q5 C23 R212 C26 R213 R216 C33 C40 C41 C42 C47 C50 C52 C203 C207 C208 C60 C211 C214 Q10 Q11 C65 C216 C67 C68 C71 C224 C74 C227 C79 C230 C232 C233 C84 C235 C87 C237 C7 D6 L4 L8 L9 L11 L16 L19 L20 R11 R13 Q2 Q3 R28 Q4 Q7 R34 R36 R37 R5 R9 R42 R44 R45 R47 ...

Страница 34: ...UT 4 VCC R16 0 R302 0 VR1 100k 1 VoUT 2 SUB 3 NC 4 GND 5 VDD 1 VIN 2 VSS 3 CE 4 NC 5 VoUT C316 1000p L6 560n L2 4 7u L1 L9 F301 F53 0324 05 2 5A CP1 RK75HA1J101J C11 10u C17 0 01u C15 0 01u C23 0 01u 1 NC 2 VSS 3 CE 4 VIN 5 VoUT C306 1u L302 L8 18n L12 33n CN301 1 B 2 SB 3 AFVOLIN 4 AFVOLOUT 5 AFVOLGND 6 EN1 7 EN2 8 GND 9 EN3 10 EN4 11 EN5 C6 0 01u B C303 1000p R393 0 CV Side1 Side2 LR SIDE2 LG GN...

Страница 35: ...RXD 47 DIR 48 DI O 49 DTRLOADN 50 TDATA DTRCLK 51 SCLK 52 TCLK DTRDO 53 RDF FD 54 MDSW 55 PTT 56 SIDE1 57 SIDE2 58 EN5 59 EN4 60 EN3 61 EN2 62 EN1 63 DEST1 64 DEST2 65 PLL_UL 66 BATT 67 RSSI 68 BUSY 69 VOX 70 QT DQT_IN 71 EEPCLK 72 EEPDAT 73 TH_DET 74 DTMF 75 AVSS 76 PCTV 77 VREF 78 AVCC 79 PLLDAT 80 PLLCLK R323 1k C331 0 1u R310 0 R313 1k R309 0 CP301 RK75HA1J473J RESET MODE PCTV MDSW LD VOX QTI ...

Страница 36: ...125 0 01u C88 1000p C123 1000p C89 100p C107 1000p R105 330 R122 100k R113 330 L106 9T C118 1000p C212 1000p R211 4 7k C229 6p B R215 390 C119 27p R205 10 R324 4 7k R325 4 7k C339 1u C341 1000p 1 AGNDIN 2 TXIN 3 TXINo 4 LIMLV 5 EXTLIMIN 6 MoD 7 VDD 8 DTRLoADN 9 STD 10 TCLK DTRDo 11 TDATA DTRCLK 12 DI o 13 RDF FD 14 SCLK 15 DIR 16 XoUT 17 XIN 18 VSS 19 AMP3P 20 AMP3N 21 AMP3o 22 AMP4P 23 AMP4N 24 A...

Страница 37: ...C233 1000p C258 4p B L209 56n C254 1000p C232 12p C263 56p C246 56p R226 220 C230 0 01u BPF L204 3SK318 Q203 C249 2 5p B C261 1000p 3SK318 Q204 C245 1000p R228 56k D202 1SV305F C262 4p B C244 3p B R218 100k C248 1000p R220 56 L112 8T C255 1000p MIC301 C243 10u CP202 RK75HA1J474J CP204 RK75HA1J474J C396 0 1u C400 10u R390 0 C235 0 01u CP304 RK75HA1J102J CP203 RK75HA1J104J CP201 RK75HA1J104J R388 10...

Страница 38: ...L VOX BATT QT DQT_IN BUSY RSSI TH_DET RXD Low Pass Filter B 5C 5T 5R 5M Regulator Regulator Voltage Voltage Switch Switch 5T_C 5R_C 5C_C IC303 XC6209B502PR LED D304 B30 2314 05 SB SB 5R QTTCXO Rx VCO MOD QTVCO D4 D8 1SV325F D9 1SV278F Q4 2SK1875 F V D3 D6 1SV325F Switch Switch RX_SW TX_SW 5M Q7 RT1P430U Q8 RT1P430U Oscillator 272 000 348 000MHz Oscillator 349 700 425 700MHz B SB AFVOL_IN AFVOL_OUT...

Страница 39: ...osessor IC308 AQUA L QT DQT_IN 5M RSSI Mic T91 0651 15 MIC301 SP MIC Jack Speaker Detector B IC101 BA2904FVM Switch Q201 RT1P441U W N Tx 136 000 174 000MHz Pre drive Amp Q101 2SC4926YD PCTV DI O TXD SB 5R 5T 5T TH101 TH_DET APC Q108 RT1P441U Switch APC_SW Q106 RT1N441U B B F V F TX_SW T1P430U Oscillator 272 000 348 000MHz Frequen cy Divider 5C IC2 UPB1509GV Tx Rx Switch D202 D203 1SV305F 5T 5R PCT...

Страница 40: ...Vrms 1 6dBm 8 2dBm 37 1dBm 4 0dBm 5 0W MIC AQUA L IC308 C45 VCO PLL C51 C81 IC2 Q9 C87 RXLO D10 C102 Q101 C108 Q102 Q105 C150 To make measurements in the AF section connect the AC level meter ANT input 53dBm 1kHz FM 3kHz DEV WIDE In the RF section use 1000pF coupling capacitor The display shows the SSG input value required to obtain 12dB SINAD without Local Level AG is set to the MIC Input becomes...

Страница 41: ...ncy Spread 38MHz Dimensions and Weight Dimensions not including protrusions Radio Only 160g 5 6oz With KNB 45L 2000mAh battery 54 2 13 W x 122 4 8 H x 33 8 1 33 D mm inches 280g 9 9oz Receiver Measurements made per TIA EIA 603 Sensitivity EIA 12dB SINAD 0 25µV Wide 0 28µV Narrow Selectivity 70dB Wide 60dB Narrow Intermodulation 65dB Wide 60dB Narrow Spurious response 65dB Audio Power Output 500mW ...

Страница 42: ...Watford Herts Amsterdamseweg 37 1422 AC Uithoorn The Netherlands Via G Sirtori 7 9 20129 Milano Italy Bolivia 239 08020 Barcelona Spain A C N 001 499 074 16 Giffnock Avenue Centrecourt Estate North Ryde N S W 2113 Australia Unit 3712 3724 Level 37 Tower one Metroplaza 223 Hing Fong Road 1 Ang Mo Kio Street 63 Singapore 569110 CA 90801 5745 U S A Kwai Fong N T Hong Kong WD18 9EB United Kingdom L Et...

Страница 43: ...6 CP302 CP1 C10 R210 C27 C30 CN201 BUSY C32 CN202 RSSI CN203 BPF C35 C201 TH201 C210 Q303 Q307 L7 R325 IC1 R14 R15 R16 R18 R22 R7 C341 Q201 C11 C15 R209 C402 C403 C2 Q103 Q312 Q313 Q314 Q315 L117 R111 R118 R124 R125 R126 R128 R129 R130 R131 R133 C103 TH101 C107 C109 C122 C124 C320 C322 C136 R379 R380 R384 R390 D101 R393 IC101 4 5 1 8 IC309 C399 C4 C6 R127 C131 VOX QTI GND SB 1 20 21 40 41 60 61 80...

Страница 44: ...3 R105 R107 R108 R109 R113 R114 R119 R121 R122 C108 C114 C119 C120 C123 C125 C127 C129 C134 C135 C145 C149 C152 C153 C155 C156 C157 D103 D104 D105 L209 L210 L211 L213 L214 R220 C53 C58 C61 C66 C72 C77 C228 C80 D8 L109 L115 CP201 CP203 R101 L15 L21 C132 C138 C139 Q5 C141 R33 C23 R212 C26 R213 R216 C33 C40 C41 C42 C47 C50 C52 C203 C207 C208 C60 C211 C214 Q10 Q11 C65 C216 C67 C68 C71 C224 C74 C227 C7...

Страница 45: ... C124 1u C202 10u C243 10u CP202 RK75HA1J474J CP204 RK75HA1J474J RSSI BUSY C396 0 1u C400 10u C393 10u C359 10u R372 0 R347 0 C371 10u 2SC4919 Q305 R314 10k R321 10k CP302 RK75HA1J473J 1 NC 2 VSS 3 CE 4 VIN 5 VoUT C306 1u L302 L305 R104 22 R390 0 C335 10u L8 18n L12 33n L18 270n L17 270n L20 180n L19 180n L22 39n L24 82n C235 0 01u D307 MC2850 R350 120k C377 0 068u CP304 RK75HA1J102J L13 180n L14 ...

Страница 46: ...4926YD PCTV DI O TXD SB 5R SIDE2 Q305 Q306 2SC4919 BSHIFT RDF FD OPTDET PLL_UL VOX BATT QT DQT_IN BUSY RSSI 5T 5T TH101 TH_DET TH_DET RXD Low Pass Filter B 5C 5T 5R 5M Regulator Regulator Voltage Voltage Switch Switch 5T_C 5R_C 5C_C IC303 XC6209B502PR LED D304 B30 2314 05 SB SB APC Q108 RT1P441U Switch APC_SW Q106 RT1N441U 5R QTTCXO Rx VCO MOD QTVCO B B D4 D8 1SV325F D9 1SV278F Q4 2SK1875 F V D3 D...

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