Kenwood AT-440 Скачать руководство пользователя страница 45

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Содержание AT-440

Страница 1: ...T 35 PC BOARD SCHEMATIC DIAGRAM SWITCH UNIT 69 FILTER UNIT 70 71 PLL UNIT 72 73 RF UNIT 74 75 CONTROL UNIT 76 77 DISPLAY UNIT 76 77 FINAL UNIT 78 IF UNIT 78 79 AT UNIT 80 DISASSEMBLY 81 PACKING 88 ADJUSTMENT 89 LEVEL DIAGRAM 101 BLOCK DIAGRAM 103 OPTION PS 50 104 PS 430 109 VS 1 111 SP 430 114 MB 430 114 AT 440 114 YK 88S SN 114 YK 88C CN 114 SCHEMATIC DIAGRAM 113 ...

Страница 2: ...m BAND 18 068 18 168MHz 15m BAND 21 0 21 45MHz 12m BAND 24 89 24 99MHz 10m BAND 28 0 29 7MHz 100kHz 30MHz A1 CW A3J SSB A3 AM F1 FSK F3 FM 50 Ohm TX 20 150 Ohm with AT 12 0 16 0V DC Approx 1 9A Approx 20A 1st IF 45 05MHz 2nd IF 8 83MHz 3rd IF 455kHz 1st IF 455kHz 2nd IF 8 83MHz 3rd IF 45 05MHz 1st IF 36 22MHz 2nd IF 45 05MHz CW SSB AM FSK FM Triple conversion superheterodyne FM Double conversion s...

Страница 3: ...µV 20dBµI 50dB or more 100kHz 1 6MHz 70dB or more 1 6 30MHz 50dB or more FM 3rd image ratio 50dB or more 100kHz 1 6MHz 70dB or more 1 6MHz 30MHz e SB CW FSK AM FM 0 9kHz or more 1kHz or more 6dB More than 2kHz More than 4kHz More than 12kHz TS 440S 0 5 1 6MHz 1 6 30MHz Less than Less than 4µV 12dBµI 0 25µV 12dBµ Less than Less than 40µV 32dBµI 2 5µV SdBµI Less than 0 7µV 3 dBµ 0 5 1 6MHz 1 6 30MHz...

Страница 4: ...electivity and S N ratio optional filter required 8 IF shift audio notch IF filter switching and RF ATT functions for convenient interference reduction 9 Large heat sink and cooling fan 1 00 W enabling up to one hour continious transmit operation 1 0 Full and semi break in circuits for CW 1 1 External computer controllable optional interface re quired 1 2 Many easy to read meter functions such as ...

Страница 5: ... fvco2 6 fsro 72 10 Based on these formulas the frequencies fvco fHET and fcAR are expressed as follows M L 1800 3600000 K 1440000 1 fsro fLo 7 fvco5 J 41 fsro 8 fvco4 K fcAR 200 1440000 fsro 9 Formu la may now be rewritten as fol lows L N M fiN 72 180000 3600000 i 1 fsro 10 Note that fLO is not included in formul a 10 That is a received frequency is determined by the reference frequen cy fsro and...

Страница 6: ... fcAR and to set and adjust the amou nt of IF shift So far received frequencies in the SSB mode have been dis 3 Receiver Circuit Description F M 030 33 F2 CFI CF3 CFW 455 07 8 3SK73GRx2 cussed For receive modes other than SSB and in transmit mode operating frequency is determined by the reference frequency and frequency division data In CW receive mode fvco is shifted down 800 Hz and used as fvco3...

Страница 7: ...hows the various combinations if DIO C25 DI D2 D3 D8 7 1f 1 To 02 i lll 0 l a 63MHz IF SECTION from ICIO 455KHz IF SECTION _ _ 0 F T from ICJO SSB BBS cw BBC BBW 455 45A When the optional 8 83 MHz filter is connected the second IF signal is then fed from the IF unit into the optional filter In the thi rd mixer consisting of 01 and 02 3SK73G R the second IF signal is mixed with 8 375 MHz signal gen...

Страница 8: ...MHz Spurious 1600 700 kHzl 40 dB or more Ripple with bandwidth 2 dB or less at 60 dB Insertion loss 2 dB or less Temperature 10 c 50 c Input and output impedance 2 kn Table 8 Ceramic filter l72 0356 05 IF UNIT CF1I MANUAL MODE WITHOUT OPTION OPTION I N S TALLED S ELECT 8 8 3 M H z I 4 5 5 k H z 8 8 3 M H z 4 5 5kHz N NO RX Ml M2 Throu g h l w Through I CF 1 C F 2 X F 2 CF 1 X F 1 CF 1 Through C F ...

Страница 9: ...wn as a bi quad filter The notch frequency can be changed using the notch control vari able resistor Since the circuit consists of the hybrid IC sta ble attenuation characteristics can be obtained electrically and thermally The range of variable notch frequencies is 400 Hz to 2600 Hz The notch frequency is determined by the following two formulas 1 fN jR6 27rj R 1 Notch VR R 8 R 1 0 C 1 C65 1 2 R6...

Страница 10: ... to the MIC pin connector 2 1 of the IF unit and are separated into SSB modulation and VOX signals The SSB signal is amplified ap prox 8 dB by IC4 µPC 1 1 58HZ AFSK audio signals from the AFSK IN pin back panel are also applied to IC4 IC4 functions as a SPEECH processor Output from IC4 is distributed to the MIC GA IN control front panel and FM cir cuit RF unit In SSB mode the sign al applied to th...

Страница 11: ...antenna tuner is driven in the CW mode and power is reduced to 50 W by the microcomputer regardless of the mode select ed before the AT TUN E switch was turned O N The range of operating frequencies is determined by a microcomputer program and is from 3 5 MHz to 30 MHz AT unit operation Power transmitted by the final unit passes through the cur rent and voltage detecting transformers L 1 and L2 us...

Страница 12: ...ce of 04 goes down to 45 C the cooling fan turns off Comporotor o u t put L 098 Q9A I I I I I I I I _ ___ 1_ FAN OFF 45 5 jro B Temperature c FAN ON Thermal Thermal protection OFF protection ON Fig 8 tem perature protection operation Final temperature protection circuit When the temperatu re of the final transistor 04 rises up to approx 80 C the temperature protection comparator 09A turns on H lev...

Страница 13: ... 3 is for SWR meter adjustment RL TXB RXB ro i MICROPROCESSOR STAND BY CONTROL CIRCUIT POWER SUPPLY CONTROL L_ CIRCUI T H KEYING CIRCUIT MIC D vox CIRCU IT Fig 9 1 FULL SEMI BREAK IN block diagram When the standby switch the key or the VOX switching transistor are activated a ground is applied to the input pin of the control circuit which causes a standby signal to be fed to the microprocessor to ...

Страница 14: ...ing wave also rises and when the key is off RL falls according to the preset time constant Semi break in operation is synchronized to VOX When a signal is supplied to point A the VOX delay time multi vibrator determines the VOX time constant The input sig nal is converted to a keying semi signal by the gate circuit These keying semi full and control semi full signals are converted to a ppropriate ...

Страница 15: ...787 Reference frequency signals are fed into the main loop s IC 1 1 SN 1 69 1 3P via a buffer consisting 022 and 023 2SC 2668 The signal is also fed into IC 1 3 S N74S 1 1 2 via a buffer consisting of 024 2SC 2668 In IC 1 3 the signals are frequency divided to generate a 9 MHz sig nal The 9 MHz signal is used as the reference frequency signals for the PLL loops PLL5 consists of IC 1 8 MN6 1 47 and...

Страница 16: ...al also goes through the LPF and buffer amplifier Q9 2SC 2458 and is fed into the mixer in the main loop where the signal is used to form the dig ital VFO signal As a result the operating frequency does not change even if the carrier frequency is changed which enables USB and LSB mode switching IF shift and fine car rier point adjustment In SSB CW or FSK reception mode the may be shifted I 1 kHz o...

Страница 17: ...S 1 1 2N 1 3 o r 1 2 prescaler Basically IC 1 6 is a two level FF circuit and functions as a 1 4 divider But when IC 1 7 of the PLL unit sends control sign als to IC 1 6 IC 1 6 functions as a 1 3 or 1 2 frequency divider in con junction with IC1 5 2 3 That is the IC1 5 IC1 6 and IC1 7 form a pulse swallow frequency divider The 9 MHz reference frequency signal is supplied to pin 1 of IC 1 7 where t...

Страница 18: ...nsation It also receives static data which cannot be entered as a portion key scan data The 7800 outputs four bits of band and mode information 1 1 bands in the frequency range from 30 kHz to 30 MHz Each time the 8 2 5 1 used as the interface to a personal com puter receives one byte of data the 7800 is interrupted and reads the data from the 8 2 5 1 The 7800 analyzes any com mand in the data In r...

Страница 19: ...ock pulses 250 pulses rotation x 4 and U D signals indicating the direction of rotation by the 40 1 1 and 4030 and fed into the 7800 Figu re 1 5 is a timing chart for clock pulse and the U D signal transmitted to the 7800 J J PD7800G E N I E N 2 A l 2 Al2 13 A 3 A l l 86 88 8 4 8 1 0 83 8 1 1 C 4 A 4 C I O A I O C2 C l 2 C3 I I 5 V II II __ n t ___ Fig 1 4 Encoder circuit 84 B i i 810 8 3 BIO 8 1 ...

Страница 20: ...n a decimal digit goes on the 7800 sets port C4 to L and when a red character goes on the 7800 sets port C3 to H 2 ai co _ l D l V f l N o D O Q O Cl C 20 b i t Display buffer resi stor 20bit Ser i a l sh i f t resi stor I C I J P D 6300C so Fig 1 6 Digital circuit 3 Key scan input The key scan input block sends key scan signals negative pulses from its 82 5 5 IC 53 port C in the order of CO to C ...

Страница 21: ...to L and transfer a pow er down signal The 7800 then knows that the PTT switch is on via 8 2 5 5 port 8 5 and sets port A6 transmission con trol signal to H enabling transmission However if the select ed frequency does not allow the 7800 to prepare for transmission 7800 port A6 remains L and the 7800 will not enable transmission When the selected frequency is 1 9 MHz or less the 7800 will not ente...

Страница 22: ...cillator circuit operates RESET output 7800 port B7l This output signal resets the two 8 2 5 5s and 8 2 5 1 option SBK output 8255 IC2 port A6l This output signal switches the RF unit to prevent noise due to PLL siwtching MT output 8255 IC2 port A7l This output signal controls the AF output to prevent noise due to PLL siwtching SCH output 8255 IC2l port CO This sig nal controls the sub audible ton...

Страница 23: ...EC r 2 3 4 5 6 7 9 ro r r 2 w I I w I I N w 7 6 5 4 3 2 r 04 1 M 5 4 5 6 1 P Bu f f Band information 7800 PBo 3 B3B2B1 Bo 30kHz 0 5 M H z 0 5 M H z 1 6 M H z 1 6M H z 2 5 M H z 2 5 M H z 4M H z 4 M H z 6 M H z 6 M H z 7 5 M H z 7 5 M H z 1 0 5 M H z 1 0 5M H z 1 4 5M H z 1 4 5M H z 2 2 M H z 2 2 M H z 2 5 5 M H z 2 5 5 M H z 3 0 M H z Table 1 3 14V 3 G 2 28T 125 5 30 1 0 24T 2 2 25 5 I 0 To AT u 0...

Страница 24: ..._ 9 D D a a a u to 1 0 the voltages of control pins 1 6 and 17 change D u r ing reception these signals change to SSR CWR RYR AMR and FMR D u ring transmission these signals change to SST CWT RYT A MT and FMT u 4 12 D D D 7 D u __ _ 1 1 15 BX6 1 24 1 GND 8 CONT 1 2 17 6 14A Ql5 DTC l l 4ES Fig 22 Mode control circuit 1 5 Expand function Control unit X53 1 450 1 1 I D N o S h i pped D iode cut 6 5 ...

Страница 25: ...2 G 1 3 BZ ON BZ OFF Mode LED all O N a l l OFF RL H L BAND all H PD ENF ENP all L H L H L i mmediatly H L a Approximately threshold level input b Incorrect input due to input pin fault Operation procedure 1 POWER SW OFF 2 The power switch on while pushing switch AM and switch T F SET 3 The test number has starts from O to 56 and END when turn the VFO knob clockwise Operation chart shows as follow...

Страница 26: ... AT UP DOWN or AT BUSY 46 47 48 ITl V M VOICE LSB 49 I M V RIT A B USB 50 l w SCAN XIT SPRIT cw 51 CTI ill M I N T FSET A B lOOL 200L 400L AM Q 52 CLEAR l M H z 2 5 L 5 0 L 2 5 U 5 0 U FM CD CJ 53 ENT DOWN UP lOOU 200U 400U If the display changes from f f l to I I by operate the key in chart then function working properly u 26 ...

Страница 27: ...G G 2 c x H x L x x H L L H L L H L L H L L H L H H L H H L H H L H Note 1 G 2 G 2A G 2B 2 H High level L Low level X H or L Select B A Yo x x H x x H L L L L H H H L H H H H L L H L H H H L H H H H Output Y Y2 Y3 v Y s y6 H H H H H H H H H H H H H H H H H H L H H H H H H L H H H H H H L H H H H H H L H H H H H H L H H H H H H L H H H H H H TS 44DS Y1 H H H H H H H H H L 27 ...

Страница 28: ...40S 28 TC40 1 3 Display unit IC3 R E S E T SET DATA C L O C K C L C L TC4040BP Control unit IC55 TC4069BP Control unit IC4 TOP V I E W SEMICONDUCTOR 6 s 0 5 D Q 3 C L 6 R 4 8 s 9 D Q 13 2 1 1 C L 6 1 2 R 10 ...

Страница 29: ... i red set the CS back to 1 This i s the clock input p i n for A D convertion input t o the comparator reg iste r sequentially Convertion speed is determined by the clock speed I n the case of 8 bit approx 1 0 clocks will be needed However it is not necessary that the clock period be fixed This is the open collector to output the result of A D convertio n The data is output in the order of the sta...

Страница 30: ...mbol Pin name Ao A 1 0 Address i n put I 1 1 x D ata in out cs C h i p select 1 CS2 C h i p select 2 WE Write enable Vee Power 1 5 V G N D G N D N C No connection 1 5 V J JJPD7800 Pin name Ao A 1 3 Address i n put Output Buffer 1 5 V Oo 01 D ata output C h i p enable in put CE AJ Y decoder y sel ection O E Output enable i n put PG M Program i n put JJPD l 7800 Ao Yo Y1 J 1 3 1 072 bi t 14 51 2 x 2...

Страница 31: ... O u t p u t v c c L l m l le r I n p u t Deco u p l inQ 6 Limite r O u t p u t Q u a d 9 I n p u t SEMICONDUCTOR 10 R F Inpu t G N D Au d i o M u t e Scan Contro I Squ e lc h I n p u t Fi l l e r Ou tpu t Fi l le r I n pu t Demodu l a tor Output 1 1 1 2 TS 440S 60 59 3 1 ...

Страница 32: ... Pin F unction 1 Input 2 N F B 3 Output 4 G N D µPC2002V IF unit IC7 0 O er Power on pluse noise absorbent circu it R 6 Pin 5 6 7 SEMICONDUCTOR R 7 WY 0 7 Vee F u n ction ALC output ALC Input Vee R 1 3 2 R 5 N F 8 Output ALC Output 0 1 2 3 4 5 1 I nput 2 N F B 3 G N D 4 Output 5 Power supply Vee ...

Страница 33: ...o te 48001 Group A control I I Group B control I n ner doto bus 8 r 8 8 b i t I nner doto bus Basic function A Ao cs 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 1 0 0 1 1 0 x x 1 1 1 0 8 8 RD 0 0 0 1 1 1 1 x 0 RXO RX YR O Y t µ P07800 I N T I p i n RXC SYNOE T BO N ot use 8 I I_ 4 4 I_ e Group A Port A 8 bi t H Grou p A 1 Por t C 1 LJ Upper4 bit I n Grou p B Port C I Lower 4 bit I _ Group B Por t B 8 b i t _ I ...

Страница 34: ...gister to the buffer 1 0 L H Latch pin I reg ister at low level to l atch the connects at the rising time Active rising lead i n g edge 1 1 S I Serial data i n put pin I This is the data in put p i n I n puts data to the shift register at the rising edge of S C K Reads o u t t h e S I data t o t h e sh ift reg ister at t h e rising e d g e of 1 2 SCK Serial clock i n put pin I S C K Outputs data f...

Страница 35: ...1 25 1 60 200 250 3 1 5 400 500 3 1 000 1 250 1 600 2000 2500 3 1 50 4000 5000 Chip capacitors C C 7 3 F S L 1 H O O O J E X r J r J r r Refer to the above table r t T l _ _ _ 1 2 3 4 5 6 7 C h i p C H R H UJ S L J C K 7 3 F F 1 H n o o z E X r r J _ _ l f 1 T 1 2 3 4 5 6 7 Chip 8 F Chip resistor Carbon R D 7 3 E B 2 8 0 0 0 J E X r r r r r i r c 1 2 3 4 5 6 7 Chip 8 F Carbon resistor Normal type ...

Страница 36: ...0L M 54459L DTC 1 44W5 M 54 5 6 1 P DTA 1 1 4E5 N M 74L500P TR 25A 5 6 2 Y N M 74L5 1 2 3P M 74L5 1 4 5P N 25A 562 TM M B 3 6 1 4 25A 950 Y MB4052 N M B 8 7006 25C 1 9 59 Y N MBM27 1 28 25JA 1 25C 1 8 1 5 Y M B M 8 4 1 8 20LP 25C2053 G RA 25C 207 5 MC 1 0 1 2 5L 25C2458 Y MC 1 0 1 3 1 L 25C2459 BL MC 1 0 1 1 6L 25C 2 509 M C 3 3 5 7 P 25C 2 5 3 8 M N 6 1 47 25C 2 5 70A M N 6 1 47C 25C 2668 Y 25C26...

Страница 37: ... J 1 779 1 4 Jj 526 4 J 3 l l 4 l 04 Desc r ip t ion TS 440 C i 6 E CN E f NEL r i y BNTTNM PL t HF r 1 UPPEf B Ll JER SP MNUNT I NG HARDWnRE W Gf I LL CL NTH P I LN T LAMP 1 4 V 80M ME TEE MQDEL NAME PLATE MtmEL NAME PLATE M N D EL NAME PLATE N X t lAME P LATE NAME PL TE TR I N TS 4405 NAME PLATE KENWNND T S 44 X NAME PLATE KENWNND TS 4405 NAME PLATE I K ENWNND TS 4 4 0 5 WAf f AN T Y Cnfm I NS T...

Страница 38: ... XA l 1 6 1 0 CJCJ X44 l 6tlfJ 0 X4 l 4 7CJ X i0 2D iCJ fJ X i l l 34 J x J l 4 iD l 1 Desc r ipt ion HEX Bm s HEX BN H E X B N HEX BQ HEX B Q C f21F f I NG f l 1 1DLE 1 1A I 1 Kt 1Ql3 nmB NN B K H D B Kt 1NB F U H l J H JB Kt 1NB P U if l KHNB f U H Kl 11 m Fl Af l A f IEF X J 6 iMl 1 X4 l l l Ml I XB l 1 lll 1M 4 l l MM XJ l iMM I H i I DE l X4 V l X l X l iF L F C T I l I TY l QlJ T I DE l X4 F...

Страница 39: ...0 i E40 0773 0 i E40 l 073 o E40 1 273 0 i E40 0573 0 E40 03 i 3 05 E40 0n3 0 i E40 oBn o E40 32Ti 05 E40 3 T t 0 3 EDEl 03 i 3 05 EOEl 027 E4D 04 i J 0 j E40 0373 05 E40 0473 o CEf AM I C 0 04 i UF z ELECTR ISl 2200UF l 6W crnAM I C 0 04 i UF z ELECTF ISl 2200UF l bWV CEHAM I C 0 04i UF z ELECTF ISl 33UF l 6WV ELECrnlSl 33UF 1 6WV ELECTF ISl 33UF l 6WV ELECTf Sl 4i UF 1 6WV ELECTl Sl 33UF l 6W I ...

Страница 40: ... AN7805 NJM 7 3 NJM2904 DTC 1 1 4E 2 iD l 406 Y l Sl JO Gf Descr ipt ion P I N CNNNECTNR I M I N I 6P P I N CNNNECTNR M I N I 3P P I N CNNNECTNR M I N I 6P P I N CNNNECTNR I M I N I 1 2P l f F CNAX I AL CABLE RECEPTACLE P I N CNNNECTN f P I N CNNNECTISlf F I N CtiNNECT Slf P I N ClSINNECTfilf P I N ctmNEC Ttm HEAT I NK Cl llSIKE CN IL M I N I 2F M I N I 4P l I M I N I JF l M I N I P l M I N I 4p S...

Страница 41: ...C Tf HO l UF en C0J 1 1 DOB L15 CEf AM I C 0 fJ UF G El 29 CK45B l H22 K CERAM I C 2200PF CJO CK4 iB 1 1 m 1 K CEf AM I C B OPF U l t C9 l l 064 0 i CEf AM I C 0 00 39UF c v 1 1 0 1 1 9 j CERAM I C 0 0 47UF CJ3 Cl 4 iB l HB 1 K CERAM I C B OPF C34 CE04W 1 H0 1 0M ELECTf 1 OUF C i J C9 l l OOB 05 CEf AM I C 0 2UF CT CK4 iB 1 H 1 521 CEf AM I C 1 oo PF CJ8 C l 45 B 1 H6B l l CEf AM I C 6tlCJPF CJ9 t...

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Страница 64: ...CE04W l HO l OM ELECTl ISl l OUF 50WV C 1 09 CE04W 1 HR4 7M ELECTRISl CJ 47UF 50WV Cl l O CS 1 5E l ER 4 7 M TANTAL 0 47UF jl C l l 1 CE04W 1 H0 1 DM ELECTH ISl 1 OUF 50WV C l l 2 CED4W l H 1 00M ELECTRISl l O U F WV Cl 1 3 CE04W 1 H4ffi M ELECTHISl 4 UF 50WV Cl 1 4 CE04W 1 H0 1 0M ELECTl ISl 1 OUF 50WV C l l 5 C9 l O l 1 7 5 CEl AM I C n 1 UF C 1 1 6 CC45SL 1 H 1 0 1 J CERAM I C l OPF J C l l7 CE...

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Страница 67: ...G 002V M74LSOOP SN i 4LSfJON BX6 1 24 3 K73 Gf l 2SC245B DTC 1 1 4ES 3SKT3 Gl l DTC l JAE 3SK i 3 Gf l SG24 iB Y l 25 2459 BL DTC l l 4t5 SC2459 BL l DTC l l 4ES DTC 1 43T DTC l l 4ES SC2459 BL l 2 G24 iB Y l 5A 1 048 Y l 2SC245B Y l 2SK l 92 GF l D IISI DE D I ISIDE D IISI DE D I ISIDE D I ISIDE D IISI DE D I ISIDE D H lDE D I ISIDE D IISI DE D I ISIDE D IISI DE D I ISIDE D I ISIDE D I ISIDE D II...

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Страница 70: ...0 A ___ B c 2SC 1 8 1 51YI 2SC3 1 1 3 DTC 1 1 4ES 0 1 4 6 OTC 1 1 4E5 02 25C 1 8 1 5 Y 03 25C 3 1 1 3 B 05 BA7 1 8 0 1 1 5 1 587 02 1 5 1 007 0 3 5 1 5 1 00 1 06 8 MTZ9 1 JC or UZ9 1 BL 07 25 MTZ7 5JA 0 9 MTZ4 3JC 0 1 0 MTZ3 0J B 0 1 2 23 1 N4448 o r 1 5 1 555 0 23 M C 9 3 1 E ...

Страница 71: ...FILTER UNIT X5 1 1 340 00 I I B D CIRCUIT DIAGRAM TS 4408 Refer to Schematic diagram on page 1 1 3 m CD N N ptJ ll l 0 0 0 0 F 7 1 2 4 6 ...

Страница 72: ...YI 2SC2459 IYI B IC 1 4 9 1 8 N M 6 1 47 IC2 M 54459L IC3 6 SN74LS 90N IC5 1 0 M 54460L IC7 8 1 1 1 2 1 4 SN 1 69 1 3P IC 1 3 1 6 S N 74S 1 1 2N IC1 5 SN74S 1 0N IC 1 7 MB87006 0 1 2 1 0 1 1 1 6 1 7 2SC 3 1 1 3 B 03 5 1 2 1 5 1 8 20 2 2 24 2 6 30 37 2SC 2668 Y 06 7 9 25 2SC2458 Y 08 2SC 1 9 59 Y 0 2 1 2SC 2787 L 031 3 5 2SC 2459 BL 036 2SK 1 92A GR J A c E ...

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Страница 76: ... 38N IC52 MBM271 28 25JA 1 IC56 5N 7404N 0 1 7 1 4 50 DTC 1 44W5 0 8 1 3 1 8 24 2 5 DTA i 1 4E5 0 1 2 5 9 5 1 7 1 73 7 5 82 84 1 55 1 33 0 8 1 1 55 1 0 1 A c E DISPLAY UNIT X54 1 870 00 Component side view i ro I OJ r 2SC 1 959 YI OTA1 1 4ES DTC 1 44WS DTC1 43TS IC 1 µPD 6300C IC2 MB40 52 IC3 TC40 1 3BP 0 1 2 OTA 1 1 4E5 0 3 DTC 1 1 4W5 04 5 25C 1 959 Y 0 50 OTC 1 43T5 0 1 4 1 5 1 555 0 5 6 MTZ 6 ...

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Страница 87: ...d DISASSEMBLY I t z N z D D D D D D 0 0 0 D 0 0 N Cl Cl Cl Cl z z z a 0 Q I I LL D x D D C N s is z TS 440S X 0 v v I 1 Parts with the exploded numbers larger than 700 are not supplied 87 ...

Страница 88: ...TS 440S 2 88 26 27 2 8 30 3 1 66 84 PACKING s TS 440 Parts with the exploded numbers larger than 700 are not su pplied ...

Страница 89: ...ter may be used 3 RF VTVM RF V M 1 Input impedance 1 M J a n d less than 3pF min 2 Voltage range 1 OmV t o 300V 3 Frequency range 1 OkH z to 1 OOM H z or greater 4 AF Voltmeter AF V M l 1 Frequency range 50Hz t o 1 OkH z 2 Input resistance 1 M J or g reater 3 Voltage range 1 OmV to 30V 5 AF Generator AG 1 Frequency range 200Hz to 5kH z 2 Output 1 mV or less t o 1 V low distortion 6 AF Dummy Load 1...

Страница 90: ...INPUT 0 t ll t U OUTPUT To PLL unit or 5P To oscilloscope C ontrol unit 1 OOP G N D 0 9 1 GND 1 6 Directional Coupler 1 7 Power supply PS 430 1 8 M icrophone MC 60A or MC 42S REFERENCE Japanese SG American SG 6 dB 0 2 5µV 0 dB 0 5µV 6 dB 1 µV 1 2 dB 2µV 24 dB 8µV 30 dB 1 5 8µV 40 dB 50µV 50 dB 1 58µV 60 dB 500µV 70 dB 1 58mV 80 dB 5mV 90 dB 1 5 8mV 1 00 dB 50mV 1 20 dB 0 5V ...

Страница 91: ... frequency 36MHz Freq counter PLL TP6 PLL TC 1 36 000 000M Hz 1 0H z R96 2 RIT 1 FREQ 1 4 0000MHz D ISPLAY SW A VR3 1 4 000 00 R IT 0 0 MODE A M RIT Pot C ENTER RIT SW ON 2 R IT Pot FULL CW 1 4 00 1 20 R IT 1 2 o r more R IT Pot FULL CCW 1 3 998 80 RIT 1 2 or more 3 VC05 DC V M PLL TR 1 1 PLL T20 5 0V 0 2V R 1 46 4 VC04 1 FREQ 1 4 0000M Hz DC V M PLL TP 1 MODE A M L2 PLL T 1 3 8V 0 1 V Disconnect ...

Страница 92: ... 560fl resistor in Track Probe TP9 PLL BPF ing Generator output line Spectrum IL33 Use oscilloscope s probe to analyzer connect to spectrum analyzer 1 2 39MHz FREQ 24 9500MHz Spectrum PLL TP9 PLL Spurius MODE AM analyzer IL33 radiation 1 3 VC01 1 FREQ 29 9999MHz MODE AM FREQ 22 0000MHz 21 FREQ 2 1 9999MHz DC V M PLL TP 1 0 RF FREQ 1 4 5000MHz IR 1 381 31 FREQ 1 4 9999MHz FREQ 7 5000MHz 4 FREQ 7 49...

Страница 93: ...t SSB SSG 1 4 1 760 MHz AF V M panel 4 1 8 5 Use the minimum OUT 0 dBµ Oscilloscope SSG input possible MODE USS during alignment 7 IF AMP FREQ 1 4 1 750MHz IF L6 MAX AF output FM SSG 1 4 1 750 MHz MOD 1 kHz DEV 3kHz OUTPUT 30dBµ MODE FM 8 S METER FREQ 29 0000MHz ANT IF VR3 Full scale 60 30dB 1 0dB FM MODE FM T SSG MOD OFF OUTPUT 30dBµ 9 S METER 1 No signal S meter IF VR2 Set to starting point SSS ...

Страница 94: ... case should RF Output MODE CW the power be adjusted for power CAR LEVEL control ALC scale MAX greater than 1 1 0 watts STBY SEND 2 Power 2 METER SW PWR VR6 Set to PWR meter meter STBY SEND g 5 W reading 4 Power down 1 FREQ 29 7000MHz Power meter Filter VR3 50 w 2 5 w MODE CW CAR LEVEL control ALC scale MAX Connect ACC socket pin PD to 50 W from NC STBY SEND 2 Reconnect this connector PD to NC aft...

Страница 95: ...ter Oscillo scope or Spectrum analyzer If this adjustment is performed step B must also be performed If two tone generator is not available adjust for equal output power at 300 2700 Hz as measured on wattmeter 1 FREQ 1 4 2000 MHz MODE USB AG output 1 kHz 10 mV Set output to 50 W using MIC LEVEL control PROC SW ON and OFF STBY SEND 21 AG output 1 kHz 1 mV 20 dB down STBY SEND 1 FREQ 28 7000 MHz MOD...

Страница 96: ...t Terminal Unit Part Method 2 AT TUNE SW OFF Set as shown Disconnect No Q connector from right I AT unit STBY SEND I Set SWR 1 25 reading when VFO dial is turned 3 STBY REC AT VR2 Adjust VR2 until AT AT TUNE ON TUNE indicator just goes off 4 AF TUNE OFF Reconnect No Q connector after adjustment 96 ...

Страница 97: ...Beeper sounds The frequency display in 2 steps down The Beeper sounds at each key press 1 MHz LED green lights FREQ D D 000 0kHz The MHz display D D advances 1 MHz at each key press The display steps down 1 MHz at each key press Item 3 Dial 4 MODE function ILSB USB CW AF FM FSKI 5 KEY 6 Memory write 1 00 CH memory 00 89 NORMAL 91 99 SPLIT CH Condition 1 FREQ 0 000 0kHz j Check to see if the dis pl...

Страница 98: ...JS 440S ADJUSTMENT TOP VIEW VR7 l 1 8 VR8 L5 TC2 98 L3 L2 L 1 VR4 IRF GAIN VR5 IRIT VR7 llF SHIFT ...

Страница 99: ...1 9 R 9 6 L 2 1 I TP 6 l l TP 5 I TS T7 T6 VR 1 R 60 I TP3 I T5 T4 T3 T2 w i 1 1 l 1 l l l l z j w j 7 cM _ __ _ r H ml r 0 1 T 1 6 VR2 I T 1 5 T 1 4 T 1 3 T20 L40 R 1 1 2 I TPS j lliII l T 1 L 1 fill I L 1 3 I TP2 I R 64 I TP4 1 VR 1 4 VR 1 3 2 2 m J J 5 m E c C c en s m 2 _ Cl I I Cl I ...

Страница 100: ...TS 440S BOTTOM VIEW VR5 TC 1 T7 T1 VR 1 VR5 T3 VR4 T1 7 T4 1 00 ADJUSTMENT 3 T6 VR2 T1 5 T27 T26 T1 6 T5 T 1 4 T1 T10 T23 T22 T21 ...

Страница 101: ...0 M H z 0 dBu is in put from t h e ANT terminal and the audio output of 0 63 V 8 ohms is obtained by adjusting the AF GAIN VR After then the A F GAIN VR is fixed and the SSG signal levels of each secti on is pl otted so that the fixed level audio output I n the F M mode this is the sig n a l level to o btai n the same value as the S N ratio at 0 dBu signal i n put The SSG output is measu red throu...

Страница 102: ...u red using the AF valve voltmeter in the USB mode to obtain this value Note 2 T h e v a l u e of the audio i nput s i g n a l is obta ined by the 1 kHz single t o n e which measu res al most full scale with i n the ALC zone of the meter i n the U S B mode or sta ndard modulation 3 kHz dev i n the FM mod e Note 3 S et the M IC VR t o i t s m a x i m u m level position 1 4 V 24 V C A R 8 375 M Hz 0...

Страница 103: ...N IF UNIT I I I 11PC4558C 1 2 µPC4558C 1 1 2 BUFF 2SC2603 2SC2459 _ _ __ _J 1 Pll UNIT L _ L _ r 1 I L_ _ H DISPLAY UNIT I I i H ENCODER UNIT __J CONTROL UNIT I L_ _ L _ _ ____J r I TXB 1 VOX AMP NJM2904M l 1 f2 MIC APM PROCESSOR µPC 1 1 58HZ VOX AMP 1SC2459 I I I RXB 1 L AV AMP NJM2904M 0 2l L _ _ __ _ I _ _J r VOICE SYNSESIZER _J L__ __ VS 1 OPTION SWITCH UNIT a 1 1 I L_ _J CD r 0 i c s C c l s ...

Страница 104: ......

Страница 105: ... S A 56 2 C Y J 0 2 3 1 5 2 S C 24 5 8C Y J Q 4 2 S B76H Q 0 1 1 6 q 1 5 1 5 5 5 D 2 1 3 U O S B o s 7 uz q 1 e L 0 4 U Z P 1 8 8 D B U Z 1 5 B H T H 1 3 2 0 2 7 T H 2 5 T P 4 1 L Q C l B Y M A l 6 A _ r 1 1 E _ i VOLTAGE 1 0 0 V Vers i o n 2 2 OV V e r s i o n PC BOARD VIEW X43 1 520 00 AVR UNIT Com ponent side view PS 50 1 05 ...

Страница 106: ...0 03 Q j l j 4 J02 03 3 5 PS 50 CA 3E cm E C f 6E PAt EL A SY PANEL AS 3Y PANEL A y F EAF f ANEL Desc r ipt ion UF PEf l U l W Ef Ll IWEf l Ml IDEL NAME PLATE Ml IDEL NAME PLATE Ml IDEL NAME PLATE CAUT l l IN LABEL 220V l CAUT l l IN LABEL 24DV l Desti Re n ation marks i j J 1i ilt KMW x T k MWX T MW TX CAUT i l IN LABEL CAUT I It LABEL LABEL 1 20V 220V 24DV MTW l 20V 220V 240V X FUSE 4A l MTW LAB...

Страница 107: ...46 fJ i E4D D 73 D i E40 D273 0 j E4D 04 73 D i FO j 2 3 j 1 5 J42 04 B O i Desc r ip t ion Fmn FQDT FUSE HQLDEf f 13 MOUNT I NG HARDWARE MQTQR MOUNT I NG HAf DWAf E ELEC TfW MQUNT I NG HARDWARE FAN I MQUNT I NG HARDWARE P T PACEf PQWER CQRD BUSH I NG W i m BriND PLJ H KM lB PQWER TRANSFORMER iCF EW Cf EW HEXAGQt NUT FUH WA 3HEf PAM HEAD MACH I ME SCREW PAN HEAD MACH I NE SCREW PAN HEAD MACH I NE ...

Страница 108: ...4GBJAO 1 OJ F S l 4GK3A33 l J RS 1 4GB3A 1 5 1 J R l 2 l 429 0 f 1 2 740B 05 l S 1 5 U05B UZP 1 8B UZ9 lBL 1 1 j5 j UZ9 l BL LJZ 1 5BH l l j j 2SA56 Y sc 4 iB Y 2 31376 1 0 5C2458 Y l 32Dn 5TP4 1 L Desc r ip t ion FL QQF RS 4 7 SMALL RD 1 20 FL PFmm RS 0 1 F L F l QQF F S 330 FL Pf QQF RS 1 50 TR I MM I NG PQT 500 l TIU MM I NG Pfff 5 J K l IH QDE D IN DE ZENEf D I QDE ZENEf DI QDE D I NDE ZENEI D...

Страница 109: ...40 00 m v v a __J J N m F l 20A I 0 lo I R18 470 N I o 1 2ss512 P o 7 2SA562 Yl o 3 6 1 s1555 0 5 xzogo 07 1_0 6 S lfill l _0 1 J O _ _0 i _ _J D 2J E _Tfil 2 027_ _ PC BOARD VIEW 120V VERS ION 220V VE RSION AVR UNIT X43 1 440 00 Com ponent side view 1 1 1 1 1 1 1 1 1 1 oc 1 3 ev MAX 10A L _ _ __EQWER e __j 240V VERS ION 2SC 1 8 1 5 2S B 5 1 2 E B C 2N 5885 GB Case I SLP 1 448 1 09 ...

Страница 110: ... 25V C8 C9 1 0079 05 c 0 01 C1 C9 1 0496 05 c 470P x 2 C2 3 E 1 8 0351 05 3P I n let E20 0282 05 2P term i na l p late E22 0472 05 Lug p late E23 00 l5 04 G N D lug E23 0425 05 Lug term i nal E30 1 643 1 5 AC cord K M E30 1 644 1 5 AC cord T 1 1 0 Part N o Re Descri ption R ef No marks E 30 1 645 05 AC cord w E30 1 647 05 AC cord x E 3 1 0500 05 Cabl e with plug F01 0786 03 N H eat s i n k plate F...

Страница 111: ...1 6V E 0 22 50V c 220P x 2 M L 0 0033 x 3 T 1 25V T 0 1 35V c 0 01 SP Mini con nector 2P M i n i con nector 3P M i n i con necto r x 2 M i n i con nector SP 3P Pac k i n g carton i nside Pac k ing carton i nside Protective bag x 2 Ceramic OSC Tappi ng screw x 4 Tri m pot 50kn Sl ide switch I C I C I C Ref N o C2 3 C 1 1 4 1 5 C 1 1 C 1 2 C7 1 0 C6 8 9 C4 C5 C 1 3 M M T M T X 1 V R 1 S 1 I C2 I C 1...

Страница 112: ...VS 1 1 1 2 E N G L I SH 51 JAPANESE I C I 0 _ u _ 0 _ SCHEMATIC DIAGRAM _ u z z _ N 12 T P 1 0 0 13 14 Rl 4 220 IC 1 MN640f TRA I C 2 AN6562 IC 3 TC 40i078P l _ I R3 IOOk L R5 I ___ VS 1 T Type M type ...

Страница 113: ......

Страница 114: ...60 46 N 1 6 0060 46 N 32 3006 46 N99 0309 04 N WO l 040 1 04 Part No Re marks E20 0208 04 E30 1 629 05 G 53 0507 04 H O l 4468 04 N HO 1 4469 04 N H 1 0 251 3 02 H 1 0 25 1 4 1 2 H 1 2 0445 04 H20 1 407 03 H 25 007 7 03 J02 0323 05 J02 0409 04 J 2 1 1 1 44 1 4 J 2 1 2573 04 J 6 1 00 1 9 05 N 1 5 1 030 46 N 30 3008 46 N 35 3006 4 1 N87 3006 46 N87 3008 46 T07 0224 05 N Description Angle I nstructio...

Страница 115: ...sertion loss 3 dB 2 d B I nput a nd o u t p u t imped a nce 600 J 15 p F Table 2 SSB crystal filter YK 88SN IL7 1 0220 05Fl Option YK BBS SN YK BBC CN FILTER YK 88C Item Rating Center frequ ency lo 8830 7 kHz Center frequ ency d eviation lo 150 Hz a t 6 dB 6 d B b a ndw idth 250 Hz o r more 60 d B band w i d th 900 Hz or less Ri p p le 2 dB or less I nsert ion loss 6 dB 2 d B Gu a ra nteed attenu ...

Страница 116: ... o m i n g uez S t Long Beac h C A 90801 5745 U S A KENWOOD ELECTRONICS DEUTSCHLAND GMBH R e m b r u c k e r S t r 1 5 6056 H e u s e n s ta m m West G e r m a n y KENWOOD ELECTRONICS BENELUX N V M e c h e lsesteenweg 41 8 B 1 930 Zave n t e m Be l g i u m TRIO KENWOOD FRANCE S A 1 3 B o u l e v a r d N ey 7501 8 P a r i s F ra n c e KENWOOD LINEAR S P A 201 2 5 M 1 l a n o v 1 a A r b e 50 I t a ...

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Kenwood AT-440, Руководство по обслуживанию

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