Yaesu FT-990 Скачать руководство пользователя | Manualshive

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Содержание FT-990

Страница 1: ...FT 990 OPERATING MANUAL YAESU MUSEN CO LTD c P O eox 1 soo TOKYO JAPAN...

Страница 2: ...ting data held in a vfo Other important features include general coverage reception from 100kHz to 30 MHz a jack an d front panel button for a separate receive only antenna an effective noise blanker...

Страница 3: ...Iz FSI shift frequencies 170 125 and 850Hz Packet shUt frequencies 200 1000 Hz Harmonic radiation at least 50 dB below peak out put SSB carrier suppression atleast40 dB below peak output Und Slred sid...

Страница 4: ...ra frequency stability is essential such as for long term HF packet monitoring under wide temperature variations the TCX0 2 provides 0 5 ppm stability from 10 to 50 C for the master reference osdllato...

Страница 5: ...either a continuous receiver recorder ior instant pushbutto n playback or 1nicropbone audio recori fer for multiple on air playback the DVS 2 appli es the advantages of random access solid state digi...

Страница 6: ...e or IISil If im propi r fuses changed This requires only a screwdriver and is not difficult see below out you should make sure thepower supply is set correcHy before connecting power If you have any...

Страница 7: ...990 is capable of matching aJltennas with an SWR of up ro 3 1or more on the amateur bands to the transmill er Nevertheless optimum perform ance for both reception and transmission will gen erally res...

Страница 8: ...Station Installation Co1111ector Pinouts DOT KEY G D EXTSP RC A P L UG SIGNAL SIGNAL or j GND G O or prlge 7...

Страница 9: ...Station Installation Connecting External Accessories Connecting External Accessories 0 0 EXT SPKR SUPPLIED CABLE T9101275A AC SUPPLIED CABLE A T9100980 pageB...

Страница 10: ...ejconnEfc lthe l lsftiye r it trollirtc tiom th lirrear to pin ofthe REMOTE jaek lmd the nep1Live side of thi S line to pin3 und Also ifytllrr linear s requirementsare tvithin the1 have rang e and if...

Страница 11: ...ings ri fer to the Fr 990Techrrical Ma11ua CAUTION Some ef these t djuslmer ts must be made zvilh power applied and with the cover re tfiQ Ved A lfli attglt the I Oltagtts a t e OSI places in the trrm...

Страница 12: ...itch Rallo 1 2 3 4 Ratio I 2 3 4 1 3 0 0 0 0 0 1 4 0 0 0 1 3 1 0 0 0 1 4 1 0 1 3 2 0 0 0 f A 2 0 0 0 1 3 3 0 0 1 4 0 1 3 4 0 0 0 1 4 4 0 1 3 5 0 0 1 4 5 1 3 6 0 0 1 3 7 0 ON IronlposlliOn 0 1 3 8 0 0...

Страница 13: ...to reduce U1e tuJ1ing spel d 0 Replace lhe Control Unit in its slot using care to allgn the front and back edges of the car with the g tide tabs in the cl1assis 0 Replace the two screws affixing the C...

Страница 14: ...AGCAuto umpedor AM Bottom of Chassis StaJionlllstp lat ioll Internal lldjt IStments page13...

Страница 15: ...this works HOX This button may be used in place of a micro phone P lT switch or CW key to manually activate the transmitter It must be in U1e on depressed position for reception vox Enables automatic...

Страница 16: ...blanker is activated during reception If set very far clockwise receiver audio can be distorted Controls Connectors Front Panel Controls 10 AF RF The inner AF gain control adjusts the volume of the re...

Страница 17: ...ent IM brightness of the dt pl 5 but not theme terl ilo or LEDsl is adjustableby hOlding the rm bi rtton whife turrung rhe CLAR oontroL 16 LOCK TI ls button toggles locking of the main tuning knob to...

Страница 18: ...t ton again to cancel memory checking DOWN UP Pressing either of these buttons momentarily steps the operating frequency down or up 100 Controls Connectors Front Panel Controls kHz respectively Pressi...

Страница 19: ...m the original frequency Press ing the CLEAR button zeros any offset tuned by the CLAR knob Each memory and vfo retains all clarifier settings independently 24 M SCAN Pushbutton Activates scanning of...

Страница 20: ...darifier offsel and memory number Controls Con11eotors Front Ptwel Co11trols 31 LefrSide LED Indicators The TRAHSMIT LED glows red when the transmit ter is activated The BUSY LED glows green when the...

Страница 21: ...ol sets the level of negative feedback ofreceiver a1 1dio to the microphone to prevent receiver audio from keying the transmitter via the microphone during VOX operation Ad justmentis described in the...

Страница 22: ...CII iold the GENandENT keys at the lower cornersofthe keypad while also pressing Ute POWERswitch Normally there should be no need to do this but it is provided for servicing purposes to rei Um all mem...

Страница 23: ...rall el with the jack vtith the srune name on the front panel eifher or th may b e used A 2 cQillacl plug aumot be ljli ed in lhis jt1ck Keyup voltage is 5 V and keydown current is 0 5 mA Pinout is sh...

Страница 24: ...nto this jackdisables the internal loudspeaker Impedance is 4 to 16 Q 15 REMOTE DIN Jack This 8 pin input output jack provides connec tions to internal relay contacts and control in puts for transmit...

Страница 25: ...n plug When no fllltg is inserted pin 8 is pulled low to enable the lmnsmitter II Serting a plug caused pin 8 to Debinsei lziglr diSnU Iii lg tl etransmitter 11nless tlte plug includes c Jm4cf icms to...

Страница 26: ...width is currently selected for that mode except in AM wide and FM modes Right now if you have se lected an SSB mode the 2 4K LED should be lit If not press that button This bandwidth provides the bes...

Страница 27: ...s the other band keys by serving as a band selection ey for general coverage fre quencies This general coverage band key can retain only a non ham band frequency If you press this key and then tune to...

Страница 28: ...ve wea si gnal or read low levels on the 5 meter See also the box on AGCoff Locking the Dial or Buttons Normal y pressirtg the LOCK hutt in dis l b les only the tuning knob it still ttm S but does not...

Страница 29: ...new frequency press LOCK again to release it and return the SHIFT and Digital Filter controls to their normal positions centered and fully CW and CCN respectively In the SSB modes the optional 2 OK b...

Страница 30: ...press ing tl1e N OTCHbutton and Jdjusting the control with U1e same name lu null Ule heterodyne Note that if the interfering heterodyne is more than about 1 2 kl lz away from the C nler of the passban...

Страница 31: ...he tuner s action set the METER selector to the SWR position If SPLIT is displayed to the left of the fre quency press the SPLIT button below the mode buttons to disable split frequency operation for...

Страница 32: ...MIC or other controls RF Speech Processor FSP Once the proper MIC control setting has been determined with full power you can activate the RF speech processor to increase the average power of your sig...

Страница 33: ...here are several types of CW transmission available with the FT 990 All require of course page32 that you have a CW key or keyer paddles con nected to either of the KEY jacks on the front or rear pane...

Страница 34: ...position and adjust the RF PWR control for the desired output while tra mitting lf you need full Operation Transmitting power keep your transmissions to three minute s or less with Lhe same time for...

Страница 35: ...actually has an independent clari fier for each vfo on every band plus one on each of the 90 memories This means that clarifier TX RX and offset settings are not carried over page34 when you change ba...

Страница 36: ...ecalling a memory to the dlspla y described next as long as you haven t retuned it you can view the other memories by turning the Operation MernonJ Features H EMknob In this case re eptlon shifts to e...

Страница 37: ...umber When you set the memory to be skipped this indicator disappears from the display If you have set a memory to be skipped and latQrwa nt to i11dudeit justrepeat the same FAST M SCAN procedure Memo...

Страница 38: ...1IZBANDIUDTH selection for 170 Hzshift the500 Hz selection for AMTOR or 450 Hz shift or the 2 0 kHz selection for 850 H shift OperaHo11 Digital Modes AMTOR RTTY Packet CAUTION Although fhe Ff 990 coo...

Страница 39: ...r aojushnent issi1nilar oSSB 0 Preset the RF PWR control fully clockwise and set he METERselector to ALt 0 Now set your tnc to its caliJ rate mode pref erably with bQth tones alternating and adjust th...

Страница 40: ...mode switch until both it and the green LED on the FM mode button are lit Tuning is Operation Digital Modes AMTOR RTTY Packet much less critical in this mode requiring no special adjustments Also the...

Страница 41: ...rresponding command In this case the instruction is Set Op Freq so the opcode is OAh The small h following each value indicate hexadecimal base 16 values 0 Build the four argument byte values from the...

Страница 42: ...Fteq aNi tO Fl f2 F3 F 4 l woflll atng fr tQ l lncy InFt F4 1n C l fllltrtat ell 1e xlfor examJ Ie Select Op Mode QCh 12 M Mvalue LSBoO USB I CW2AK 2j Cil 500 8 AI Q AMMK 5 FM 6or7 RiTY i SB oilj R T...

Страница 43: ...nncl1 and 89 for channel 90 Only this byte i r tumed by sending the Up dnte command with the first parameter set to 1 page 42 I ev 1 I F19 1 YW t I Flop s I_ _I r ct I _1Current opera tton 6 bY status...

Страница 44: ...follows I MeterBi to I M iiravte I M eter lv lJ I WeierByte I OF7h During reception the signal strength deflection is ret11 rned During lransmi Sion the parameter r epresented by the reading returned...

Страница 45: ...out going through the character hex string conversion proc ess For example the CH parameter in the Com mand table is binary You could have the Ff 990 recall memory 50 decimal by the following PRINT 2...

Страница 46: ...ug in card from the right side Of the chassil see pnoto at right and careflllly pull off U1e TM P coaxial plug near the front of thebomd 0 Remove the twoscrewsIn thebracket earsat the front and rear e...

Страница 47: ...htly O JI of the d1assis so that you can remove the TMP coaxial plug near L he frotlL Remove the board from the chassis 0 Referring to the photo at the lower righ deter mine the l cation s of th filte...

Страница 48: ...mobile installations drop m01y restrictll ansm tler power output ln any install ltion the DC cable should be cut i S short as possible to avoid vollagc drop while still keeping the fuses in line The s...

Страница 49: ...D PKT _ 5 13 8 1 liD 1 21 j m CNTL uNIT MAIN DIAL...

Страница 50: ...________________________________________________r TUNER SECTION I MAIN l RF RF IN 0 OUT I L J FT 990 BLOCI DIAGRAM...

Страница 51: ...1090 h rr cii IT y l _ 1 PATCH J9112 P 090679 nn nu s s a JCD J C9108 1 1j 1 1 1 9 8 7 6 54 3 21 L l s 7 B s J9117 PI090656 E5 o mucwb I9J C91TO I 4 2 1 VR7101 1 10KB 10KB 10KB 10K8 lo IC RFPWR VR UNI...

Страница 52: ...OTHERW SENr ITEr l J9125 J9123 P0090S25 P0090S2 16__ 1 I VR8102 I I 22KB I I I I I I I I I I I I I I I I I VR7103 1 10K8 IIOKA 10KB 10KA I I I I I I I ____________I I I _ _B_ _ 1_ _ _3__1 1_9 j r I R...

Страница 53: ...PLL I L _______________________ llllTE RESISTOR VAlUES o RE 0 1 GW UPACITOfl VALUES ARE IN F SOY INDUCTOR VALUES ARE I H UNLESS OTHERWISE NOTED 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I...

Страница 54: ...I I R0100970 n I I I I rlI I I AL8502 II AGP20t3 J850l w1 I L__ I I STOR VALUES ARE IN 2W I L r IPLL DDS UNIT u I IF3191101A I I I I I I I I P0090817 I I I TC23SCD3DAF 501 I I POD I I I rcAR oos r l...

Страница 55: ...OL ZSSI 60090 f 0 zo JO 10 _jaJ f Zr l ULL tsos aos 8 5 II z z Z OOS J IOOS J OL ZSSI sooso R850011 Q EX8 P8510J t 1 t H tt ZOOSdl 0 c t s n v J NIVn...

Страница 56: ...8 I m 3 ZH 00 ffi2 XH _ m 1 1 o ff I IJ X D X 0 l J D J58 J 2 IX ANT IN...

Страница 57: ...R20 HC3H R6586 BT6501 N6090066 47lOO 47oo2 8 HISWR 7 WAIT 6 TXINH I 1 GND r I I I I I I I I I I I I I I I I I I if i i s ll I I I I I I I I I I I ___ r 1 PROTECTOR UNIT I F3189102A I I I J6902 8500009...

Страница 58: ...V rTI I I I Jsoo3 I P10S021 TUOUT fl i l28t itfm8 1 I I EG Eir F31871oOA s io s1 I g 33 e 16Y C9019 tc I13 BV OUT I f 13 BV IN 12Jr t j t n R 3 GNDlfJl J9008 P0090621 2 FAN TER VALUES ARE IN D 1 6W r...

Страница 59: ...S30 1YA ll011 JYdY J M9 l cr Nl 31JV S30lVA 1131 aa 0 S ll _H J10N 1 _ dn _ N l 00 1 Y J 111 1 oass 1n L OOSOSN L 00S0SN L 0060SN L I0060SN lOLS liOLS IIOLS OIOLS VlO l l8lt cl L 1 o 0 ocffsSN liNn A...

Страница 60: ...l 1 I F3182000 KEY UNIT I I I I I I I I I I I I I I I I J7301 P1090141 PIJO O 9 AGP2fj 063 009CI2V AGP2 lfo6341DOC12V TUNER MAIN UNIT F3185000 cr I_0 36Z50 I...

Страница 61: ...RF UNIT F3176000A Q1012 2 M5218AL l i f Hq r m it l i H 501 SDK SOK SDK SDK SDK SDK SDK I 33 01045 15563 083 33 76543 Q1023 SN74LS1ii5N...

Страница 62: ...I L1080 5 6 01058 1SS270 T6101 L0021351 T P1090251 Q6108 2 1 12830 eADeM C6125 55 NOTE RESISTER VALUES ARE IN 111 1 6W ACi ct sA Eot 1 P 6 M g iN F INOUCTOR VALUESAREINH UNLESS OTHERWISE NOTED...

Страница 63: ...t 0 0 0 M lL f z I lL h l JAI no 11 Kl 1 l lf IHI Jl x ON9 I I I t 0 0 I 0 lL...

Страница 64: ......

Страница 65: ...0 1992 YAeau Mllst l Co Ltd AU rigbl l reserved YAESU MUSEN CO LTD C P O BOX 1500 TOKYO JAPAN YAESU U S A 17210 Uwar4 Rd Cerrito Calilornia 9070l U S A YAESU EUROPE B V Solpw c 3 1118AA St ip ol Tht N...

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