Yaesu FT-900 Operating Manual Download Page 1

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Button/Knob

Initial Setting

function

Manual Reference

fcw means fully clockwise

fccw means fully counterclockwise

Power

OFF (out)

power up functions

Tuner

ON (in)

autotuner momentary ON/OFF ½ sec force tuning

Meter

toggle

TRX/TX, RX/TX/ALC, RX/TX/SWR

17,49

Proc

OFF

increase average power in SSB and AM

ATT IPO

OFF/OFF

reduce strong signals/turn off receiver RF amp

OFF

noise blanker for pulse noise

Split

Off

hidden (back) freq xmits

Ham/Gen

Ham

tuning mode/general purpose band; up/down

Fast

OFF

tuning speed

Mox

OFF (out)

manually keys transmitter

Vox

OFF (out)

voice activated T/R switching

AGC-F

ON (in)

AGC decay time for fast recovery

Mic Gain

12 o'clock

Mic input for SSB and AM; watch ALC meter

RF Pwr

OFF (fccw)

10 to 100 watts

Speed

CW internal keyer speed

Keyer

internal CW keyer

BK-IN

CW mode

A/B

VFO-A

VFO selector toggle, ½ sec push equalizes A=B

V/M

VFO-A

toggle between VFO/Memory

V->M

½ sec push: VFO to currently selected memory

M->V

½ sec push: pair of freqs in memory to VFOs

26,28

Down/Up

Band selection

Lock

OFF

tuning knob

CLAR

OFF

fine tuning AM/FM

18, 25

AF/SQL

10 o'clock/OFF (fccw)

audio level/squelch

Notch/Shift

12 o'clock/12 o'clock

Notch filter/shift center freq

Numeric

BAND or <Ent> freq <Ent>

Keypad

Gen

general purpose band

Power-Up Customization: Notch Down Up Fast FM Up+Down V/M Lock V->M Clar Meter

Summary of Contents for FT-900

Page 1: ... activated T R switching AGC F ON in AGC decay time for fast recovery 18 Mic Gain 12 o clock Mic input for SSB and AM watch ALC meter 20 RF Pwr OFF fccw 10 to 100 watts 47 Speed CW internal keyer speed Keyer internal CW keyer 23 BK IN CW mode A B VFO A VFO selector toggle sec push equalizes A B 26 V M VFO A toggle between VFO Memory V M sec push VFO to currently selected memory 26 M V sec push pai...

Page 2: ......

Page 3: ... 1500 Tnk ro Jnpun YAESU U S A 11210 E w lrds Rd Cerrito Culirol llin 110711 l U S A YAESU EUROPE B V Snipweg 3 J11 81l l i hiphnl T he Nl lhrl lunds YAESU UK LTD Unit 2 l 1aple Grove llusincss CN1tr1 l nwrE nC e Rd 1 lounslow MiddleS X T Vv tl GI J l J ...

Page 4: ...to establish the lowest pos sible center frequency so to allow as much attitude as possible for frequency excursions away from the cen tral frequency The ATU 2 internal antenna tuner will provide much better operating bandwidth if the central operating frequency SWR is low 4 During installation do not route the DC power cable antenna coaxial cable and sub panel control cable together in parallel r...

Page 5: ...e each transceiver incorporates a wealth of oper ating features to help you keep up with the crowd User friendly controls and programming let you easily manage your new operating capabilities with just a few simple keystokes Along with the philosophy that each Yaesu trans ceiver should serve you well into the future Yaesu stands behind our products with a worldwide network of dealers and service c...

Page 6: ...e hundred memories store all of this data for both VFOs giving a total of 220 inde pendent sets of frequency mode and other selections page2 Flexible scanning features allow all 100 memories or only those selected to be freely tuned and scanned In addition ten special memories also let you limit the tuning scanning range between their stored frequen cies Scan resume mode is selectable between time...

Page 7: ...er IMD 31 dB typical 100 watts PEP 14 2 MHz Microphone impedance 500 600 Q Automatic Antenna Tuner Option Impedance range 16 7 150 unbalanced Frequency range 160 10 m amateur bands Matching time 30 sees Matched SWR 1 4 1 Receiver Circuit type superheterodyne Intermediate frequencies 1st 70 455 MHz 2nd 455 kHz Notch 8 215 MHz Sensitivity for 10 dB SIN 0 dB t 1 lV IPO oH Frequency t 150 250 250 500 ...

Page 8: ...Reference Oscillator Forspecial applications and environments where extra frequency stability is essential the TCX0 3 tempera lure compensated crystal oscillator is a 2 ppm from o to 50 C replacement for the reference oscillator YSK 900 Separation Kit To separate the front sub panel and mount the trans ceiverbody in an out of the way location theYSK 900 includes a 6 meterlength of interface cable ...

Page 9: ...ayback or microphone aud to recorder lor multtple On air playback the OVS 2 applies tho advantage of random access solid state dtgttaJ mem oty to senous communtcalions All data fs stored elec tronically with no moving parts except your finger and a push button More lnfonnatlon Is on page 34 OV 2 FIF 232C CATSystem Interface To control your FT 900 from an RS 232C sertal port of an external personal...

Page 10: ...600 Q im pedance and include up down and fast scanning but tons and a two position tone selector The MD 1 ca Desktop Microphone may be used with the FT 900 However it requires the optional CT 20 Microphone Cable The CT 20 adapts the 8 pin mic jack on the MD 1ca to the 8 pin modular style plug used with the FT 900 page6 ...

Page 11: ...the unit in place slide the sub panel to the loft with your right hand You will hear o click when the panel locks into place To remove the sub panel press the latch on the right side of the main front panel and slide the sub panel to the right and out from the transceiver Important Ensure the power is first switched oH before remov1ng the front sub panel Installing the Front Sub Panel Removing the...

Page 12: ...e of the components make sure to provide adequate ventilation around the cabinet Thecooling system of the FT 900 must befree to draw cool air in at the bottom rear of the transceiver and to expel warm air out of the upper rear panel Do not place the transceiver on top of another heat generat ing device such as a linear amplifier and do not place equipment books or papers on top of the transceiver ...

Page 13: ...signs of loosening or corrosion 0 Make sure the POWER switch on the transceiver is off and plug the DC cable into the 6 pin molex jack on the rear panel Caution In mobile installations check to ensure that the transceiver POWER switch is off whenever start ing orstopping the engine to avoid damage from switching transients Mobile Mounting The optional MMB 20 Mobile Mounting Bracket allows quick in...

Page 14: ...D jack move switc h 82001 to the MoN pos1tion See page 9 DC 13 5V page 10 Station Installation FL 7000 0 LC ALC PTT 0 OC O ATT OFF CABLE B P N T9101296 Supplied with FL 7000 Optional Cable CT 11 P N A05000001 CABLE A P N T9100980 Supplied with FL 7000 0 Non OSK Linear Amp 0 0 0 0 AC 0 AC 0 0 ...

Page 15: ... 2 5 3 i fl LINEAR 1 GNO I SERlAL OUT 1 SERIAL IN 4 PTT 5 PO NC t 1 DATA IN 0 U T DATA IN OATA OUT GNO KEVER PADDLE OASH COMMON EXTSPKR 7 SJGNAL OVS 2 4 PHONES RCA PLUG Connector Pinouts I GNO 2 13V 3 OAiA 2 GNO 1 GNOEO BY C BOO 2 1 VOICE tN 5 2 VOICE OUT PTT 3 4 9V CNTL I 7 6 CNTL 2 6 J 7 GNO SIGNAL L SIGNAL R I GNO SIGNAL 0 GND GND or page 11 ...

Page 16: ...ory to avoid the click sound when the transceiver is used alone or with a QSK linear To enable the relay for non QSK linears that exceed the above t r switching requirements you will need move switch S2001 located in the large hole near the rear center of the bottom cover to its forward position see the photo on page 9 Turn the FT 900 on its side or upside down and use a thin sharp object to move ...

Page 17: ...s display only digit at right end of display Make FAST Button operation FAST FAST is displayed when active toggle on off or momentary Adjust Repeater Shift 0 to 500 kHz 100kHz de Shift is displayed Use tuning knob or FM DOWN UP buttons to change fau O Press FM again after setting in 1 kHz steps System Reset clears all memories and UP TOOWN VFOs and Memory 1 default returns settings to their factor...

Page 18: ...e internal keyer CW weighting IPO Reverse CW Sideband cw page 14 Comments Repeating double beep sounds and beep frequency displayed in Hz while adjusting Speed range adjustable from 1 200 msec 10 default toggle 2 5 5 or 10 Hz steps Offset affects both USB LSB Monitor your signal in an external receiver while adjusting 1 Displays tone frequency in Hz Use the tuning knob or YOOWNJUP _ buttons to sel...

Page 19: ...e upper left of the display and the TDOWNIUP buttons step in 100 kHz incre Amateur Bands Meter Band Frequency Range MHz 160 1 800 2 000 80 3 500 4 000 40 7 000 7 500 30 10 000 10 500 20 14 000 14 500 17 18000 18 500 15 21 000 21 500 12 24 500 25 000 10 28 000 29 700 in two 1 MHz segments ments or 1 MHz if FAST tuning is activated as described later Example say you re tuned to 7 000 MHz and want to...

Page 20: ...nt first 0 Ex Enter tho frequency ot your favorite AM broad cast station on 648 kHz There are two ways you can do this page 16 Selecting Tuning Step Size Tuning speed using the dial knob or Tllcro phone UP OWN keys dopends on the de fault tuning step size for each operating mode and If the FAST tun1ng funcllon but ton is engaged You can select 2 5 5 default or 10 Hz tuning steps by holding tho FAS...

Page 21: ...containing the amateur bands If you try to transmit out of band the TRANSMIT LED still turns red but there is no RF power output Also the ham band recall system ignores such frequencies If you select a ham band and then tune outside the band the non ham frequency will be lost when you change bands When you rotum to the original band you will find that it has reverted to the ham band frequency it w...

Page 22: ...down to the nearest whole 1OO Hz step However the clarifier can be set to use 10 Hz steps in all modes so ifyou need 10 Hz resolution in AM or FM mode activate the clar ier for a more detailed explanation see page 25 page 18 IF Shift Adjustment no used in AM FM modes Once you have tuned in a signal you are going to listen to for a while if you hear interference from nearby frequencies use the SHIF...

Page 23: ...H button LED The display shows the present beep frequency in H while a double beep annunciator repeats Rotate the tuning knob fo select a comtonable pitch from 300 3000 Hz in 10 Hz steps then press the NOTCH button LED once again Note Be careful not toconfuse this adjustment with the BFO offset and CW sidetone pitch setting as explained later on page 23 Beeper volume is independent of the front pa...

Page 24: ...rocess If monitoring SWR on the meter you should see the tuner slop at the lowest SWR When the l1llil indica tion disappears you may transmit assuming the t IIi7lil indicator didn t come on Tho 11 13 1 indicator remains on unless you press the TUNER button momentanly to switcn the tuner page2o off If the tuner found a match the IYliD indicator will occasionally flash when you change frequency whil...

Page 25: ...ol setting as described above VOX Voice Actuated T R Switching In VOX operation your voice causes transmit re ceive switching merely by speaking into the micro phone without having to press the PTT For the VOX circuit to operate properly three controls on the rear panel must be set to ma ch your microphone and the acoustic environment of your station Once set these trimmers should not require read...

Page 26: ...0 Aff require of course that you have a CW keyor paddles connected to the KEY jack on the rear panel with a 3 contactplug only see the drawings below There are no critical adjustments lor the transmitter you just use the RF PWR control to set your output power You may also wish to set the sidetone volume as described in the box at the left Straight Key Operation 0 With the CW mode selected press t...

Page 27: ...aight key or paddle also tracks the BFO offset pitch cw ILl Ll 0 To change the CW offset and sidetone pitch hold the FAST button while pressing ATT to display the current offset pitch setting 0 Next use the main tuning knob or YDOWN UP A buttons to select the desired offset then press ATT once again to save the entry and return the display to normal Operating Hint CW Spotting You can use the sidet...

Page 28: ...the MIC GAIN control further clockwise or your signal will be distorted 0 Reduce the RF PWR control as necessary for the desired output leveL See IF Processor Frequency Shift in the box on p 2 1to setting the speech processor for AM FM Transmission For FM transmission the only control to be con cerned with is RF PWR Microphone gain for FM is preset internally and normally needs no adjustment after...

Page 29: ...press the CLAR button again sev era times the operating frequency returns to its original setting when the clarifier is off and adds Optional Clarifier Display Normally pressing the CLAR button LED and ro tating the control causes the displayed frequency to change and reftect the clarified frequency If you would prefer the display to remain on the carrierfrequency regardless of the clarifier olfse...

Page 30: ...t as the rear hall VFO A FRONT VF O B REAR REAR VFO Memory Structure The front and rear memory halves are toggled by pressing AlB just as you can toggle the AlB VFOs when operating on a VFO allhough tho display gives no indication ol which half is which as it does with the VFOs Like VFO operahon you can operate split with the two halves receiving on the front and transmitting on the rear and you c...

Page 31: ...play the rear memory half then return to VFO A by pressing VIM Memory Channel Display By default the current memory channel selection is displayed next to the operating frequency on the LCD during both VFO and memory operation If you prefer to have the channel number and CH display turned off during VFO operation just hold the V M bunon while turning the transceiver on Repeat this procedure to can...

Page 32: ...herwise when you press and hold this button you lose the previous page28 contents of both VFOs and if you were receiving on a VFO operation shifis to the frequency and mode cop ied from the memory and now in the VFO In most situations it may be more convenient sim ply to switch operation from the VFO to the memory by pressing the VIM button This method allows you to leave any settings in the VFOs ...

Page 33: ...omentarily SCAN disappears above tho memory number at the right If you have disabled a memory to be skipped and later want to enable it again just repeat the FAST VIM procedure Memory Masking After storing many memones you may want to completely hide some Irom normal operatiOn to simp lify selection of the others To mask a d splayed mem ory while MEM is displayed at the left of the frequency press...

Page 34: ...one buttons operation in stantly switches back to the subband Also if you activate split transmit receive your transmit frequency will be whatever you stored in the back half of the memory you started on P1 PO Example Limit tuning scanning to the 17 m band 0 Press VIM once or twice if necessary to display VFO A at the left Then tune to the low edge of the 17 m band 18 068 MHz Also select the mode ...

Page 35: ...se of PMS memories P1 PO is to program the upper and lower limits of all 10 amateur bands into each memory pair front and rear With this done you can select tune and scan each PMS memory as you would a VFO for each ban l However you now havethe advantage of always having the subband limits enabled and never having to use the VFOs except for storing the band limits Adjusting VFO Scanning Speed Alth...

Page 36: ...r hand on the top occasionally to ensure that 1 t s not getting too hot The safest approsch IS to keep power output at 50 watts or less dunng long transmissions TU TNC Interconnections Connect your TU or TNC to the rear panel DATA IN OUT and PIT jacks as shown below The sche matic on the next page shows the relationships of the transmitteraudio inputs at the MIC PATCH and DATA IN OUT jacks Input i...

Page 37: ...ressed carrierfrequency so bear in mind that your actual transmitted signal is offset below the dis play by the audio frequency of the AFSK tones gen erated by your TU Before transmitting the first time preset the RF PWR control to about 12 o clock and unplug the microphone Select ALC level on the meter display and then key the transmitler from your keyboard Ad just the MIC GAIN control if necessa...

Page 38: ...e of your transceiver and may sound like constant ticking or buzzing that may change as you type or work within a program Severe RFI mayhaveS meter indicationsas much greater than S 9 making copy of voice signals difficult and data signals virtually impossible Computer generated RFI is usually a result of in adequate shielding ol the PC s cabinet or 110 and peripheral connections Whilo computer eq...

Page 39: ...of interface cable with pre assem bled connectors quick release mounting adaptor and hardware The YSK 900 mounting adaptor installs on the rear of the FT 900 sub panel and provides a base for dashboard mounting using adhesive strips or screws For adjustable mount ing a gooseneck or ball joint vise stand pur chased separately may be attached Complete mounting instructions are provided with the YSK ...

Page 40: ...I installing crystal fillers you will need to aoccss the solder side of the RF Unit Unplug the yellow b mdcd coaxial cable from J2024 ncar the rear corner of the RF Unit in Figure 2 0 Using a small sharp toot gently pry up on either sideol J2011 the white plastic ribboncable socket near the rear left corner of the RF Unit Q in Figure 2 about 2 mm A inch until the ribbon cable can be removed see Fi...

Page 41: ...anel to be folded forward so that the Local Unit can be lifted as shown in Figure 8 next page 0 Referring to Figure 8 locate capacitor C1323 and resistor R1361 on the board just behind the oscil lator housing Cut the leads of these parts and remove them 0 Straighten the leads on the TCX0 3 module if necessary Then position it so that the trimmer hole is oriented as shown in Figure 9 the label shou...

Page 42: ...le around the rear lelt comer of the chassis as viewed from the rear and then altermaking sure nowires are pinched replace the four screws shown in Figure 4 0 Turn the sot over and unless installing other op tions reconnect the light blue banded cable to J2026 and replace the bottom cover bait towards the front and its eight screws Figure 8 Local Unit Components to Remove Figure 9 TCX0 3 Orientati...

Page 43: ...and in Fig 2 the yellow banded cable goes in J2024 and the light blue banded cable goes in J2026 0 Referring to Figure 3C replace the ribbon cable into its connector and press down firmly on both sides of the socket while pressing the ribbon cable into the socket Confirm that it is firmly in place 0 Unless installing the ATU 2 replace the bottom cover bail towards the front and its eight screws AT...

Page 44: ...Installing Internal Accessories Figure 13 ATU 2 Mounting pagf14 ...

Page 45: ...of CAT system interconnections Yaesu Musen does not produce CAT System oper ating software due to the wide variety of personal computers and operating systems in use today How ever the information provided in this chapter explains 00 0 0 0 0 FT 900 C J lOE CI io o OOO i Rf g ound for bost stofiorl rtormonce and safety FIF 232C CAT System Interface Box the serial data structure and opeodes used by ...

Page 46: ...om the de sired frequency by breaking it into 2 digit blocks BCD packed decimal format Note that a leading zero is always required in the hundred s of MHz place and another in the ten s of MHz if below 10 MHz 0 The resulting 5 byte block should look like this again in hexadecimal format Byte OAh 01h 42h SOh OOh Value Con SetOp 100 s 1 s of 10 s 100 s tent of MHz this Freq 10 s of 100 s of 1 s of 1...

Page 47: ...t Hall Rear Hall VFO B Oala r _ M em ory LOata R ec o rd s es x 100 memoriese l900 bytes to F Memory Status Flags 1 Byte This byte is at the head of every I 9 byte Data Record Bits 0 through 5 are not used Bit 6 is set if the SPLIT function is active on the memory and Bit 7 is set if the memory is blanked VFO Memory Data Record 9 Bytes The structure of a 9 byteVFO Memory Data record is detailed in...

Page 48: ...e Status Data The transceiver re sponds to the Read Flags command by returning the Flag Bytes described on the preceding page plus two bytes with the constant values of 08h and 41h in that order as shown here 1st Flag 2nd Flag 3rd Flag o mmy Dummy Byte Bvte Bvte 06h 41h Read SIPO Meter Data Sending the Read Meter command causes the transceiver to return a digitized meter deflection indi cation bet...

Page 49: ... here that the BCD values can be sent just by preceding the decimal digits with H in this exam ple However in an actual program you may prefer to convert the decimal frequency variable in the program to an ASCII string and then to convert the string to characters through a lookup table If you send a parameter that is out of range for the intended function or not among the specified legal values fo...

Page 50: ... F2 F3 F4 New operating frequency in F1 F4 in BCD format see text lor example t I MODE OCh 12 M M values LSB O US6 1 CW wide 2 CW nar 3 AM wide 4 AM nar 5 FM 6 or 7 1 12 HAMIGEN OOtt 13 HG Select HAMfGEN steppino functions HIG 0 1 13 Pacing OEh 14 N Add N millisecs 0 FFh delay between bytes of all data returned from radio 1 14 PTT OFh 15 T Transmitter on T 1 or off T 0 Instructs the radio to retur...

Page 51: ...d isno syor very strong srgnats are proscnt press this button to rnsen a 12 dl3 auonuator in lhe front end to protect tho rocelvecfrom overload IPO bypasses the receiver RF ornpll fier provld1n9 the w1 des1 dyn trruc range See page tSlo details Ne press thrs to reduce pulse type n tcrlotenco leave oH d auoio distonron occurs SPLIT Thrs actrvates spM frequency transceivo operat en The dtspfayed lro...

Page 52: ...and bunons iaslead ust the tumng knob by holdtng J h bullon while SWitch ng the transceiver on Pressing this bulloo momentanly displays the contents of the currently setectod memorychannel for three seconds When reeeivmg on a VFO or a retuned memory holdingJhis button for second writes the current opera ng data to a sclec od mem O f Two beeps sound and any P eviouS data in lhe memory IS overwnnen ...

Page 53: ... active M CK blinks in the qisplay While it is bhni Jng you can press the DOWN UPA buuons 10 checklhe contents ol memories ithout affecting operation Wait 3 seconds and Memory Chec ing staps See page 28 These two small digits displ y the memory number when opefating on a memory O from the VFO You can rurn these digits off for VFO operalion by holding the V M bul ton while turning the transceiver o...

Page 54: ...nsrniUer audlo Input from a phOne patch to be mixed wllh the micro phone audio see page 33 Input impedance is 500 I000 ohms and opUmum peakinput level is 5 mv n r nis 6 pon mono DIN lnpulfoulf JI I i ck allows external computer control ollhe FT 900 Signals lev elS are TIL Oand 5 V DC Pinout is on page 11 and the signaling pr ocof and data formats are d scribed on the CAT chapter start rng on poge ...

Page 55: ...UNIT Ft344810 No sxxx SL IT 19 Ft3440100 I NQ 89XXI Gt l L RF uNIT F3250000 INo 2XXX eu eI I I I I I I I I I I UJ u u Gll i VIinh L_ __J_J 11 I F3448104 No 95XXI D JB5D I PID9DS50 I L________j f F a f l 94021 I I I F3451000 II No 94XXI J 13 P2 J2011l 11 8 P104 GRYJ J2027l 2nd LO P102 CR J2029J 1st LO 5 _j tt1 1 i P51 YEW J3005 P52 BLKI J302 t1l i l h Vftn Ol u d ot rol CON 1 t JNIT I F3450000 I No...

Page 56: ...C03 c J 5 f 300j iii 8 231 fJlbW jiclJgr fjiJiocr1 P3005 IPLLJ LJ10101 P591BI EI J10271 P57 GRYJ J10221 P9104 IGI Nl J10171 PiS 1 0 J10061 e 8 a c S 5 i ll iii ll i 1 L ll oo i ll ill I rJ F R GI J A I jJoW1 NC l hl II Tl II P20 IGRYJ IT J10191 rc J r R J d r g I 0 2 0 rJrb jiJM1 Ji Fffl1 J50 6 t L j oo fu r jl lJ eJ e 4 I I I D l I I 10 2 IG s I I I e s r I b N l J 65 6 rl 113 P44 1 6504 rt I iii...

Page 57: ... i I i I i I i I I l __ _j____________ Tl OEFH NIT I I rt 4 I I I I I I r I I I I c ...

Page 58: ... _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _j f RX 0 1 30 OMHz 1MlL t l f TX 1 9 28MHz L ____J 1 H6l rm 11 m r i o m u rr 1 F3446000A I I f IF2 455kl z I fLD2 fiFl flF2 1 rm m fm I r IF4 455kHz ITO CNTL lMNIT I Rl Llt TXLHE CCJ IJNLitE _ _ I I I I I I I I I I I I I t I I tiPATCHINI I I I I I ...

Page 59: ...I I I 3 2 1 J3017 P0090622 i 1iSffl N 00 i COM R310S 0 MIC z AF R g 2 Q3024 M37702E4BFP U37702M4BFPl o z 1 l L z a ufri Ul m Ul l u z l P0 39 1J 27 JP3004 JP3005 SK m ...

Page 60: ...F f 1 4059 Q OL17 F f 1 r 1 H R4028 12K R4029 OK 8 CA052 c W O 047 F f 1 04008 1SS270 I I I I C4060 Q 047 F f Ir I I I I L_ 1061 1000 16V H4025 OK C4044 Q OL17 F f 1 o en cno roo WCD C4030 10 SOY RL1018 220 c uo 0 JO DO 001 9 LL1006 lOu f IF CL1018 o 0 17 C4022 a 047 F 1 1 L4009 L0022120 R4001 1 5K RL1002 470 L l015 2 2u c wo _J J mJ ol g 0 o g w 00 h 00 hO CD ...

Page 61: ...JS401 Pl 090255 TUl r I TUNER MAIN UNIT F3248000B I I RL6408 RL6410 RL6412 I LPl LP2 LP3 LP4 LPS LP6 13 LPS GND ...

Page 62: ...________I I I l lfr I I I I I I NOTE CAPACITOR VALUES ARE IN o F SOV n CAPAC I TOR VALUES ARE TANTALUM I NDUCTOR VALUES ARE I N H UNLESS OTHERW I SE NOTED L06 L07 LDI I T g f f s f S I FRL KJ lt t 7 I CD3 C02 t f 5 f 8 1 COl cos r f 3 f 3 1 C05 t 2 j f 2 1 C04 GNO jf 1 1 KB I Lol l if i il 1 7 I L02 t 11 t EDI L03 L04 i jf 4j j f 01 L05 iCW 1 1 LOS L07 13 r J I I ...

Page 63: ...ISTER VALUES ARE IN G 1 10W CAPAC I TOR VALUES ARE I M F SOV UNLESS OTHERWISE NOTED L _______________________________________l 6NO OUT r CAR oos uNJT F3255100A R7007 C7006 0 01 8 Q7002 2SC2712GR L7001 220 1l R7002 lOOK ____________l I I I I Ql 02 TC23SC030AF 501 ________ I I I ...

Page 64: ...o 08940 08939 CL 1 CO CL 1 co CY __T ________ J R890l 08902 08901 56 CL 1 co CL 1 CO r I c z CY H i w R8902 08906 08905 56 CL 1700 CO CL 1700 CO 0 0 0 R8903 08910 08909 56 cL 1 co CL 1 co C CY 0891 1 08913 R890 1 CL 1700 CO CL 1700 CO 56 CY CY R8905 08918 08917 56 CL 1700 CO CL 1700 CO R8906 08922 08921 56 CL 1 0 CD cL 1 co CY R8907 08926 08925 56 CL 1 cp CL 160 CO R8908 08930 08929 56 cL 1 co cL ...

Page 65: ...Sl 08017 2SC4047 Co Nl SEL CDS 0 0 A KEY MATRIX I z X ElLA DATA CLOCK LOAD 0 X8001 7 3728H iz I 00016 I TC4S584F SCI MT TAG LCD DRIV RXLINE TX LIM CQt M N LINE ...

Page 66: ... oo J W OUT v cr vr cr 1 I I I I TUNER CNTL I L T9 TCNT lz I i VCT lz lv SWR Q65l7 M37450E4 Ti J ER CPU Txli H Cl C6 F l SA ss MATCHII G SECTION TUNER MAIN 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 I __ j___________ _j ...

Page 67: ......

Page 68: ......

Page 69: ...I I I I I I I I I I I I I LOCAL UNIT F341 5000 T TER VALUE l ARE 1M A l IOW I CAPACITORVALIJESAREIMJOF SOVl ffiCAPAClTOR VALLES ARE TANTALUM I IMOOCTOR VALUES MIE IM H UNLESS OTI ERWISE NOTED ____________________________________ 2 1 II POJO I 1ST LO 2ND LO JIOQI JIG03 P1090255 PIOSO ZSS ...

Page 70: ...0 ...

Page 71: ...8 s 27Kr ig8 y JM 5 2 2 3 F P t t t t t i w 0 I SF 2SC4Q4 QBQ12 6 8Q o 1 i l l r o f lf M51953AFP lliJ jlfffi 1 2 3 4 z g __j i rr o QB013 2SC4047 POS I 1 R2RXO M t t t 1 GND iJi 7 HZ j 1 RESET BL j lf p I C8017 l m PWSW XIN 22P CH T o AYSS r RB030 siG J 1 l CK81 CKA H c GND I D 2SC4047 XOUT CB018 22p CH YSS TX QB014 M38022E2FP M38022M2FP VREF LOAD 33K R E 1 ruo Oe II R8026 08009 I _ tJ l_ __ 1 l ...

Page 72: ...SEG 78 c o 1 I U 8 SEG 4 SEG 77 n0 SEG 76 ru J C8103 I I SEG 5 0 47 16V SEG 75 r L __l SEG 6 orn SEG 74 rn SEG 7 C8020 w _ SEG 8 SEG 73 o 1 I 25V F SEG 9 SEG 72 ru SEG 71 en SEG 39 SEG 40 I SEG 10 47 OV n0 SEG 3B 41 SEG 70 1 7 4 I SEG 11 0 SEG 6 43 w I SEG 12 3 SEG 69 rnru SEG 34 I D SEG 13 en SEG 68 r SEG 32 3 SEG 31 I SEG 14 rn0 SEG 67 SEG 30 I rum SEG 66 SEG 29 I SEG 15 mo SEG 28 rn SEG 24 SEG ...

Page 73: ...u gS I MB3763PF G 8ND I I I I o J6508 P0090523 GNO 0 TC6501 06502 lOp 155101 0 c I 16 6 u NOTE RESISTER VALUES ARE IN 0 1 iOW CAPACITOR VALUES ARE IN F 50V Eatf e w b Eh EA NMLY 16V INDUCTOR VALUES ARE IN H COILES VALUES ARE IN H UNLESS OTHERWISE NOTED R6541 47K 14 M3 Q6509 4 OJ OJ OJ Ill rom ro 1 c c c c c 6 6 6 6 6 6 ci s L f E rvl 0 c ...

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Summary of Contents for FT-900

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Yaesu FT-900, Operating Manual

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Summary of Contents for FT-900

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