manualshive.com logo in svg

Ajetrays AR-440, Руководство по обслуживанию, Страница: 1 / 46

Поделиться
Скачать
Ajetrays AR-440 Скачать руководство пользователя страница 1

UHF FM TRANSCEIVER

AR-440

SERVICE MANUAL

CIRCUIT DESCRIPTION ............................  2

SEMICONDUCTOR DATA ........................  8

COMPONENTS DESCRIPTION ................  9

PARTS LIST .............................................  10

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

PACKING .................................................  18

RESETTING THE TRANSCEIVER ...........  19

ADJUSTMENT ........................................  20

TERMINAL FUNCTION ...........................  27

PC BOARD

DISPLAY UNIT (X54-3450-10) ............  28

TX-RX UNIT (X57-686X-XX) ...............  30

SCHEMATIC DIAGRAM ..........................  34

BLOCK DIAGRAM ...................................  38

LEVEL DIAGRAM ....................................  40

SPECIFICATION ...................  BACK COVER

CONTENTS

AJETRAYS LLC 2010

Microphone

(T91-0641-05)

Cabinet

Panel assy

(A62-1102-03)

Knob (Encoder)

(K29-9293-03)

Key top

(K29-9291-01)

Knob (Volume)

(K29-9292-03)

(A01-2193-01)

Содержание AR-440

Страница 1: ...THE TRANSCEIVER 19 ADJUSTMENT 20 TERMINAL FUNCTION 27 PC BOARD DISPLAY UNIT X54 3450 10 28 TX RX UNIT X57 686X XX 30 SCHEMATIC DIAGRAM 34 BLOCK DIAGRAM 38 LEVEL DIAGRAM 40 SPECIFICATION BACK COVER CO...

Страница 2: ...5MHz IF SYSTEM PLL VCO 16 8MHz 50 4MHz ANT RX TX SP MIC Fig 1 Frequency configuration IF Amplifier The first IF signal is amplified by Q351 and then goes to IC301 FM processing IC The signal is hetero...

Страница 3: ...61 W NO EVOL2 AF PA IC252 SP IF IC IC301 Q301 NOISE AMP D301 IC301 IC101 AFO RSSI DET CPU IF SYSTEM SQIN RSSI Fig 3 Wide Narrow switching circuit Fig 4 AF signal system Fig 5 Squelch circuit PLL Frequ...

Страница 4: ...r removes unwanted high frequency har monic components and the resulting signal is transmitted through the antenna terminal See Fig 8 APC Circuit The automatic transmission power control APC circuit d...

Страница 5: ...driver The LCD driver monitors the status of the KI1 to KI3 and KS1 to KS2 ports If the state of one of the ports changes the LCD driver assumes that the key at the matrix point corre sponding to that...

Страница 6: ...CPU send to EEPROM IC66 the backup data and go into STOP mode This circuit has an overvoltage protection circuit If a DC voltage of 18V or higher is applied to the base of Q61 this voltage turns Q61...

Страница 7: ...s output whether the squelch is open or closed PR1 is the 1200bps data communications reception out put It outputs the FM detection circuit output through an AF filter IC251 Output is controlled with...

Страница 8: ...e 51 SPM O Speaker mute 52 AMPSW O AF AMP switch Pin No Name I O Function 53 DT O Common data 54 CK O Common clock 55 NC I 56 DST1 I Destination 1 57 59 DST2 DST4 I Destination 2 4 60 VCC 5V 61 NC I 6...

Страница 9: ...tive while AMPSW is H Q301 Transistor SQL amplifier Noise amplifier Q302 Transistor Buffer amplifier 16 8MHz 3rd over tone Ref No Parts name Description Q351 Transistor IF amplifier Q352 FET Mixer Q35...

Страница 10: ...0641 05 MICROPHONE ACCESSORY 101 2A B11 1809 03 ILLUMINATION GUIDE LCD 102 2A B38 0885 05 LCD D2 4 B30 2205 05 LED YG D19 30 B30 2205 05 LED YG C4 CC73GCH1H101J CHIP C 100PF J C15 16 CC73GCH1H101J CHI...

Страница 11: ...C250 CK73GB1C104K CHIP C 0 10UF K C251 C92 0714 05 CHIP TAN 4 7UF 6 3WV C252 CC73GCH1H390J CHIP C 39PF J C253 254 CK73GB1A224K CHIP C 0 22UF K C255 CK73GB1H822K CHIP C 8200PF K C256 CK73GB1E183K CHIP...

Страница 12: ...H471K CHIP C 470PF K C434 CC73GCH1H050B CHIP C 5 0PF B C C434 CC73GCH1H090B CHIP C 9 0PF B C2 C435 CC73GCH1H060B CHIP C 6 0PF B C436 CC73GCH1H0R5B CHIP C 0 5PF B C437 CK73GB1H471K CHIP C 470PF K C438...

Страница 13: ...5 AIR CORE COIL C2 L358 359 L34 4605 05 AIR CORE COIL C L359 L34 4604 05 AIR CORE COIL C2 L360 L34 4603 05 AIR CORE COIL C2 L360 361 L34 4604 05 AIR CORE COIL C L361 L34 4604 05 AIR CORE COIL C2 L401...

Страница 14: ...W R250 RK73GB1J123J CHIP R 12K J 1 16W R251 RK73GB1J473J CHIP R 47K J 1 16W R252 RK73GB1J474J CHIP R 470K J 1 16W R253 R92 1252 05 CHIP R 0 OHM J 1 16W R254 RK73GB1J272J CHIP R 2 7K J 1 16W R255 256 R...

Страница 15: ...3GB1J102J CHIP R 1 0K J 1 16W R445 R92 1252 05 CHIP R 0 OHM J 1 16W R501 RK73GB1J102J CHIP R 1 0K J 1 16W R502 RK73GB1J472J CHIP R 4 7K J 1 16W R506 RK73GB1J103J CHIP R 10K J 1 16W R507 RK73GB1J470J C...

Страница 16: ...6 87 2SK1830 FET Q201 2SC4919 TRANSISTOR Q251 2SC2412K TRANSISTOR Q252 253 2SK3019 FET Q254 DTC363EU DIGITAL TRANSISTOR Q255 KRC102S DIGITAL TRANSISTOR Q301 302 2SC2412K TRANSISTOR Q351 2SC5108 Y TRAN...

Страница 17: ...A 1 30 31 18 2 3 Dx8 13 19 29 Ax2 A Cx12 26 23 IC252 Q504 25 27 8 Cx2 6 701 S No label 700 Caution label 28 44 43 48 14 42 24 24 Bx2 15 103 101 104 102 TX RX unit Display unit A M2 6 x 8 N67 2608 46 B...

Страница 18: ...E30 2111 15 46 Screw set N99 0395 05 703 Pamphlet 36 Protection bag H25 2341 04 36 Protection bag H25 2341 04 33 Packing fixture H12 3112 05 33 Packing fixture H12 3112 05 34 Carton board H13 1190 02...

Страница 19: ...eiver parameters excluding the DTMF Memory the Memory channel contents and the Call channel contents There are two methods available for reset ting the transceiver Note Menu No 7 P VFO and Menu No 10...

Страница 20: ...dis play returns t Moves the adjustment item forward If it is operated when a frequency is displayed the adjustment item dis play returns y If it is pressed before determining the adjustment value th...

Страница 21: ...460 05 CTCSS Fine Deviation Low CT icon appear 400 10 400 05 440 10 440 05 CTCSS 88 5Hz Center 415 10 415 05 460 10 460 05 High 429 90 429 95 479 90 479 95 CTCSS Fine Deviation Narrow Center CT and N...

Страница 22: ...r less 7 Ammeter 20A 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 1mV to 3V 9 Audio Generator AG Frequency Range 20Hz to 20kHz or more Output 0 to 1V 10 Distortion Meter Capabil...

Страница 23: ...ed before mounting the shield cover as below Fuse To mount the fuse the cable terminal direction must be as follow Locator Speaker cable This side up This side up Cable terminal Cable terminal Fuse Pi...

Страница 24: ...g TC402 Item Condition Test equipment Terminal Parts Method Specifications Remarks Measurement Adjustment Transmitter Section 1 Frequency 1 CH TX center Frequency counter ANT Encoder Adjust to center...

Страница 25: ...the Drive FET Item Condition Test equipment Terminal Parts Method Specifications Remarks Measurement Adjustment ADJUSTMENT 6 MAX 1 CH TX low Wide Modulation analyzer ANT Encoder 4 0kHz Wide 100Hz Wide...

Страница 26: ...e open CH RX center Wide Narrow CH RX high Wide 2 SSG output 124dBm 0 14 V Wide Narrow Mod 1kHz Dev 3 0kHz Wide Dev 1 5kHz Narrow 4 RSSI 1 CH RX center Wide Push RSSI value writing is per writing 2 SS...

Страница 27: ...SQC Squelch Signal 3 PKS Transmission Control 4 PR1 1200bps Receive Data 5 PR9 9600bps Receive Data 6 GND Ground 7 PKD Transmission Modulation CN No Pin No Name Function CN5 1 INT SP Internal speaker...

Страница 28: ...EG8 SEG7 S G D3 J1 MIC JACK D19 D20 D21 CALL VFO MR D22 D23 D25 D26 D27 D28 D29 VR1 POWER VOL C24 C27 C30 C31 C32 C33 C36 C38 C39 8C 8C PTT PTT MIC MIC CM CM MBL MBL GND GND ME ME HOOK HOOK C40 R55 C4...

Страница 29: ...0 R54 CN1 1 18 ENCA CM ENCB MIC KEY DI CE CL DO 5C 8C VOL POWER RXD BRI PTT GND ME MIC 29 Component side Foil side Layer 1 Layer 2 Component side Foil side Layer 1 Layer 2 DISPLAY UNIT X54 3450 10 Foi...

Страница 30: ...HOOK HOOK C40 R55 Q10 Q12 1 2 3 5 C4 L1 D31 IC3 1 16 17 32 33 48 49 64 R10 R21 R22 R23 R25 R26 Q6 Q9 B C E R8 R41 R42 R43 R44 R45 R46 R49 R50 R51 R52 R53 R54 CN1 CP1 C15 C16 C19 LCD 1 18 ENCA CM ENCB...

Страница 31: ...3 4 5 IC205 L505 L506 L507 IC401 D251 R101 R105 R106 R118 R119 R125 R521 R524 R525 R526 R527 R5 R529 R R534 R535 R536 R537 R538 R151 R152 C517 C518 C526 C527 C528 R1 R35 R2 R36 R3 R37 C532 C534 C535...

Страница 32: ...313 R350 C314 R351 C315 R352 C316 C317 R353 R354 C318 R161 R355 C319 R162 C128 R164 R165 R166 C321 C322 C323 C324 C532 R380 C543 C350 C545 C351 C353 C548 C354 TH351 C549 C355 C161 C162 C356 C163 C164...

Страница 33: ...1 R152 R349 C310 C311 C312 C313 R350 C314 R351 C315 R352 C316 C317 R353 R354 C318 R161 R355 C319 R162 C128 R164 R165 R166 C321 C322 C517 C323 C518 C324 C526 C527 C528 R1 R35 R2 R36 R3 R37 C532 C534 C5...

Страница 34: ...308 R309 L355 L356 L357 L358 IC251 1 7 8 14 L359 R501 R502 R310 R506 R507 L360 L361 R509 R511 R512 R513 R514 R515 R516 R517 R518 R519 R325 R520 C301 C302 C306 C307 C308 R539 C309 C501 C502 C504 C505 C...

Страница 35: ...R62 R63 Q406 D502 0 R70 IC101 L405 L406 L407 L408 L411 R86 L412 R87 L413 L414 5 L416 R91 R92 R93 R94 X86 C14 J72 0907 09 G S D 1 25 26 50 51 75 76 100 G D S G D S B E E B C I O G O G I 33 PC BOARD AR...

Страница 36: ...C510 R359 C511 C512 C513 C514 C515 C516 R360 XF351 R361 R362 C326 R363 R364 R365 R366 R367 C520 C521 R369 C522 C523 C524 R370 R371 R31 R32 R372 R33 R373 R374 R34 R375 R376 R377 R4 R378 R38 R39 R5 R6...

Страница 37: ...0 R166 1k C233 4 7u6 3 C161 1000p SQC D5 DA221 TH98 100k C230 0 1u L403 10u C450 22u10 L416 C412 10u6 3 C421 470p TH97 100k R410 10k R412 12k C416 470p R411 10k R414 0 C417 470p R419 1k R420 2 2k C424...

Страница 38: ...0p C364 470p R364 0 C367 470p R363 220k C369 L354 C368 D351 HVC350B C370 470p C374 7p C371 L355 C372 D352 HVC350B C373 R366 100k R367 100 C376 470p L357 L356 C375 470p 3SK255 Q353 G1 D S G2 R369 150 C...

Страница 39: ...C611 C610 R800 R601 22k C608 C607 0 5p C613 470p D607 MA742 L602 1 5T C620 C603 0 5p R602 22k C614 470p C604 D606 MA742 C605 C602 D604 XB15A709 C601 D605 L601 3 5T D603 D601 MA4PH633 C573 0 01u C572...

Страница 40: ...z 00 440 480MHz 01 C X57 6863 XX C2 C350 NO 470p 3p C456 4p C620 NO 1p R350 27k NO 8n L354 12 5n C472 3p 2 5p C368 7p 10p 47 39 R358 0 75p NO C369 L355 8n 12 5n C502 5p 3p 15k R373 18k C523 47p 27p 18...

Страница 41: ...50B C370 470p C374 7p C371 L355 C372 D352 HVC350B C373 R366 100k R367 100 C376 470p L357 L356 C375 470p 3SK255 Q353 G1 D S G2 R369 150 C377 470p R371 39k C378 470p R370 47k C379 470p R372 68k C380 470...

Страница 42: ...BA10324 3 4 IC203 BA10324AFV 1 4 MIC MUTE DTMF BUFF Q1 2SK1824 QT DQT PKD1200 AGC DET D201 DAN222 D202 1SS372 SUM SBC P9M P1M 8RC MIC AMP 8TC AFM SPM QT D DTM TX R CK BSH NAR DT WID PLLE ELVL DI S1 W0...

Страница 43: ...AMP 8C SPM Q34 KRC102S 8T DRIVE AMP2 DRIVE AMP1 SB B IF DEMODULATOR AF PA AFM SW MCF Q407 2SJ347 D601 602 MA4PH633 D603 604 XB15A709 SW 8T 8T Q302 2SC2412K TRIPLER APC CONTROL SW D A CONV CV Q503 PD55...

Страница 44: ...e required to obtain 12dB SINA G2 W 122 0dBm N 121 5dBm W 119 0dBm N 118 5dBm W 105 5dBm N 104 5dBm W 105 0dBm N 104 0dBm W 118 5dBm N 117 0dBm W 103 0dBm N 101 5dBm W 85 0dBm N 80 5dBm CF1 CF2 W N 5...

Страница 45: ...Hz DEV Wide 1 5kHz DEV Narrow The AF output level is adjusted for a 0 64V 8 by the front panel AF VOL control G D409 8ohm 12 Q503 vel meter 12dB SINAD Audio Frequency D602 W 93 0dBm N 91 0dBm CF1 CF2...

Страница 46: ...5 13 32 inch Weight Approx 1 2kg 2 6lb RECEIVER Circuitry Double conversion superheterodyne Intermediate Frequency 1st 2nd 49 95MHz 450kHz Sensitivity 12dB SINAD Wide 0 20 V or less Narrow 0 25 V or l...

Отзывы:

Нет отзывов