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Содержание 275 Series

Страница 1: ..._ INSTRUCTION MANUAL FOR Model 280 Series Recorders Reproducers tunl Model 275 Series Reproducers Scully SCULLY RECORDING INSTRUMENTS CO DIVISION OF DICTAPHONE CORP 480 BUNNELL STREET BRIDGEPORT CONN 05607 UGuST 1911 ...

Страница 2: ...ators Openting Procedure TAPE TRANSPORT Description Head Assembly Maintenance Adjustments ELECTRON1CS ASSEMBLY Description Alignment and Performance Checks MODEL 280 WITH MOTION SENSING Description Remote Control Operatino Procedure Tape TranspOrt Description Operation MODEL 2W SP_14 Description Controls and Indicators Operating Procedure Tape TranSpOrt MODEL 275 SERIES REPRODUCER Description Tech...

Страница 3: ... p Thr ding P th 4 1 Disc Drake Outline 4 2 Model 280 AC Circuits Simplified 4 3 Model 280 DC Circuits Simplified 4 4 Rc r of Tape Transport 4 5 Automatic Tape Lifter Schematic Diagram 5 1 Model 280 System Dlock Diagram 5 2 in MuUi Ch ume Machines ith Sync Feature 5 3 Model 280 Electronics Test Setup 5 4 Multifilter Schematic Diagram 6A I Photograph of Motion Sensing Transport 6A 2 Tape Threading ...

Страница 4: ...Control Circuits Schematic Diagram Mo l 28O SP 14 with Motion Sensing Power and Control Circuits Schematic Diagram Model 275 Reproducer Po er and Conlrol Ci cuits Schematic Diagram Electronics Schematlc Diagram All Versions of Model 21 0 Sheet J 01 2 Sheets Electronics Schematlc Diagram All Versions of Moool 280 Sheet 2 01 2Sheetsl Electronics Circuit Cards All Mooois 280 Parts location Diagram Mo...

Страница 5: ...d 19 inch equipment rack and is also supplied in a console or in a portable carrying case The head configurations available in clude monophonic full or half track and two track stereo for quarter inch tape width The 280 is also available for half inch tape widths in two three and four channel configurations Tape speeds available are 3 3 4 7 1 2 ips 7 1 2 15 ips Tape speeds of 15 30 ips can be supp...

Страница 6: ...IZES Up to 11 1 8 14 on special order 1 2 TAPE TRANSPORT CONTROLS Power on and off record individual reel switches rewind fast forward start speed change switch edit AMPLIFIER CONTROLS size stop Visible Controls Record level func tion switch monitoring and meter switch play back level load termination switch Maintenance Controls located under dress strip Noise balance playback equaliza tion record...

Страница 7: ...d directly below the tape transport or wlth n limit of the four foot connectlnc cables 0 000 0 VIew 2 1 Ib cl Mountl 0 a Lift tbe tran port med anlsm Nt of the cartOn 1 151 tile two lhipp1rc straps hoped around it for this purpose Remove straps b Mount the transport n he Quip_ ment rack usLre tlw panel mounting hardware Tighten secl lnly c Remove flywheels from hardwaN tag and mou t on the rUPI ct...

Страница 8: ...o_ vided on the console For multi_channel Jnits mount channel 4 at bottom and follow with re maining ut its above it ir nunwrical or ter d Rem ve flywt1EeIs from bag 0 I r ana mount On the respective capstan motor and stabilizer shafts In SOme Cases the flywheels are for or Irtabil_ Izer mounting F1ywheels which carry no mark_ i lgs are interchangeable and may be mounted on either shaft 2 2 3 Car ...

Страница 9: ...ired Any low_impedance microphone from 150 to 2 0 ohms can be accommodated with nominal le els up to _30 dbm The use of high_impedance mi_ crophones Is not recommended 2 7 REMOTE The Scully 280 Ikmote Control Unit Cat alog 502210100can be supplied to provide remote operalion in the Play ReWInd Fast Fou ard Stop and Heeord modes The Hceord function operates atler manual pre seleCtiOn 01 he line or ...

Страница 10: ... NSTALLATlO figure 2 3 Rear of Amplifiers ...

Страница 11: ...s which are not normally made excef when cbanglng the type of tape sf or in servicing the recorder are located underneath the panel dress strip E This S rip may be remove by loosening the three captive screws 3 2 CO iTROLS AND INDICATORS 3 2 1 Tape TranSpOrt Ope tionControl Panel figure 3 1 a Electronic ardme chanicaC The pilot lamps on the op_ erations control panel and the VU n eter On the ampli...

Страница 12: ...a amplifiers may De The motor circuit ie On 1 and 8 pi 1 is common with one side o the AC line I connections are made to pins Other than and 8 the wiring should be checked for compatalJility oofo applyi g power Not mOre than I amp should be drawn Irom pin 3 and not more than 2 amps tOl Irom 1 3 and 7 Pins 5 and 6 provi c 24 volts al 100 rn in the record mo ie 3 2 2 Electronics Assembly Front Panel...

Страница 13: ...n UnearityControl Recon Calibrallon Playback Level Reference Pot DiU Adjustment Blat Callbration and Btas A complete dncrlpUon of these controh will be found in the Alignment and PcrlormanceChecks portion of the Eleclronics section Secllon V 01 this manual A combination alignmenl tool Is fumishtXI lOr the se adJuslments 3 3 OPERATING PROCEDURE 3 3 1 Preliminary See flgur e 3 3 Place a reel of b pe...

Страница 14: ...SlIlon NOTE ror manually operaled Tapc Iiften only Ihe lape i er control arm adu alU a record Interlock s itch hlelt makes 1 lmpoiSsible 10 go inlo lite re cord mode if lhe lape is off lhe heads If htn Ihe Lap Itlt Is d 10 lift the lape off 1M head lite r_cord function is nol dIsabled cut 011 Do not press lhe STAnT bullon Imme_ diately after th STOP bullon Is actua ted hen tape haa been m Wlng In ...

Страница 15: ...the supply Ie Operatea wllh low vollage 50 as to provide proper tape len lion and pr Ve 1t a loose wind f 4 l 2 Brak x lem see figs 4_1 and 8 1 The Scully brake ystem Is a disc type employIng an electrically control1 d dlfferen lIaL Ther II AC in the lorque motors t all times Includlng the STOP position as long as tt ere Is lape correctly thN aded In the madllne 8r 01r In force Is a IlUlclion of t...

Страница 16: ...kS and aclUales the tape break switch SI08 located dlreclL be_ neath the arm under the paneL This Switch etops the machine by deenerglzing too relays alld cutting of all AC pOwer In the transport 2 1 1 7 Centrol and I owe Ci cl lt3 See flgs 4 2 4 3 and B 6 All of the tunspol l control powe Cl cults are contained In the electrical control erouls which 18 mounted dl etly behind the tape tnn PJ1 I nu...

Страница 17: ...ias and erase currenl to be fed to their respective magnetic heads The record lights 00 02 and DS60 are lit when K602 is energIzed Record and playback enuallzation ls Ith tape speed and OOlh are controlled ty the capslan sP l Itch S1I4 ThiS ilCh xli ates the equalizer relay K601 in the ampLi fier and provIdes lor hl h speed equalizalion Lo specl equallutlon normaLly i prO ide by L relay hen de ene...

Страница 18: ... iJ J r H AO l Olf RI04 6 0 REC W Slit oa L S 101 n no N W UC G HT RI07 a sTot STAAl fty Xl el TMT _ I 034 Sle k 0 IT LUI KID 0 CUlT STAAT 1Ofi1r SOUIOOIO I EOIT Sill ACTIVATED IV J LI02 SOL OSEDIT ft WIND ToP T Klel NQ Llnu L 104 EDIT 11 1 IlPPI Y lflIoI l 0 2 fAST fwD SOI NOIO 00 fUE IfI JlE 1l1oll1 0 10 SOL IO lIO CI RCUIT SHOWN WITH P IWut Fig lrc 4 3 Model 280 DC _ Simplified ...

Страница 19: ... lzed The Iloklclrcuit i the I C STOP ltch S I0 7 and the following relays KI03 E 7 start KIOI 5 E rewind and KIOZ II 12 fut forward The supply brake solenoid LI0418 ener through KI05 9 10 reLeulng the trake At the same time the lakeup brake remaL tS in operative while tI W open The capstan pressure roller aolenoid 1 103 Is e 1tized through KI05 2 13 Capstan motor BI02 erl s its O Oier through KIO...

Страница 20: ...ounts contain the azimuth as ell as the zenith and height adjustment screws All of he heads are mounted on the top plate bridge of the head assembly for easy cessibility lIeadrotationadjustments are made by loosenin the single screw mounting that fas tens 1h e head tot h e bridge sufficiently to turn the head The Scully 280 head assenlbly can be changc l as a unit Or ind idual heads can be replace...

Страница 21: ... eTC th aCOrn ull_a Iht In I ul urn nulS equally WIlli Ihe reel begms to rD late Then Ilgllten lhe brake springs equalt Ultillhe rotatIon of Ihe reel motor stops FIn_ ally tighten the brue Iprlng adjustment ocrew c ne a ddlllonal haU lurn Fnlln Ihe same pro cedure nn Ihe nlher reel mntnr d Press the START buttnn and allnw reel motors tn attain maxImum speed Press theSTOPbullnnandnnte helhtr the re...

Страница 22: ... slowly pull theplnch roller away from the capstan shaft Note the tension scale readmg at the point where tape motion CclSes d AdjUbt solenotd foe the following readings On the tension scale 7 1 2 15 ips 4 ib 3 3 4 7 1 2 ips 3 5 Ib e Tighten the Allen set SCteW on the solenoidJdjustment nut Remove the scale and ighten the eap SCrC on the capstan idler LECEND l Pressure roller assembly with matched...

Страница 23: ...l amOWlt W1til proper bead lwlght Is ruched Alter the t rst hall turn made tlte azlmuthscrews should be released by qual OWlI 10 pI elll lhe 1 1 r uIII being xcessl ly dlstorled Tangencyorthe tape loa head is adjusted by loosenIng the 10 32 lOCket head cap Sert I abo ctlw cenler of Ihe lwad in Ilw tOp plate 15 and rotatlng the head for maximum signal The erase record and playback head assemblies 3...

Страница 24: ... ment SCrew at the rear 01 the dashpot may be used to nlake a rate adjustment Clockv se ro_ ationolthe adj1Jstment Scrc s s lows the solen oid countercl ckwi Se rotation increases the rate 4 10 These dashpots are located On the rear POII ER SUPPLY H H C H_O_ FAST F WO 10 ACTUATED BY HD LIOt SOL H PLUH R SH ELD SWITCH 50L H100 I 400 LI02 TAPE LifTER t Rlt5 s III 24 voe KIO I H O_ __ 24VOC _________...

Страница 25: ... pressure Capslan motor oot Check that motor is ptugged in running If so suspect motor or che k wiring tn base of plug Cheek o plug J 104 Brakes do not ro Motor not ptugged in 11 It Is lease on torque mo_ check solenoid connections tor s Check iring in plug or b lse o socket Torque motor d sn t Check motor capacitor Spin mo star tor by hand if starto Chang capacitor Failure in de SEction Check rec...

Страница 26: ...ry Capstan not perpen Realign motor perp ndicularity dicular lO top plate with three motor mounting bolls Tape alis to stop in 1 3 Motion sensor micro Adjust Or replace S1l3 as reqUired FWD or Rewind mode switch S1l3 neros adjust ment FLUT rEIl AND WW L Dirt on cap L Ciean with dry soft cloth stan shalts roller stabilizer pul ley or heads ow tape tension Check that red tension switches arc properl...

Страница 27: ...l proper equall tion for ellber speed M e micropbone amplifier conSIsts of Q853 and Q854 Both oca and overall are used her One 01 the record gain rontrol varies the AC mllter 01 Q853 SO as to reduce as gain tor sirong siinals Tbls remO eS the limitation On dynamic range presented a problem In the earller stages of tbe art 5 1 2 Blu and Erase See Ilgure 8 2 Tbe blu Oficlllator cnd nslsl of 1 0 stag...

Страница 28: ...ion of the reC ord head hleh Is d III IL 10 remo enHrely Arty slight leakage in coupling cap citors C81 6 and C807 between the ampillier and the record head w ll IIa e a ery similar ellecl Therefore the noise control a small lIew Of DC leu Ihan 1 2 rIa through lor l OmpensaUon Any lime IIIe noise baluce contr ol nulls lar rror lIS poslllon it should be assumed thal the head reqUires de magnetlzatl...

Страница 29: ... HO e er the threshold point wilt be shifted by a change in recording head sensitivity ncw head of different inductance Or a major change of tape e g low noise to high output tape Therefore the Linearity adjusting pol RBI8 is provided so that the current levet which corresponds to Ihe knee of the transfer characteristiC can be matched to the threshold oltage 01 CR80 802 where the diode conduc tivi...

Страница 30: ...2 8 In multi track mach s lliese PI I_ ceoor must be repealed for each channeL 5 2 I Ten Required Sl3 hrd allgnn cn tapo Audio Oscillator He dell l kard r odel 200c Qr equl alent AC Vacuum Tube Volt MOIO He H hckard M del 4000 or e l lv l nl W we analj zcr if anll l nand pass liIt rl lld Ilrure 5 3 BIOS filler n Ucr Meter FL l n Ileum Mood 8100 I alent tool Scully Il n OHOO8276 5 2 2 Dl magndI7 tl...

Страница 31: ...is 1 I r o r I 3IQ2 WlfCHU 5 _ I NF_ f y t IN OW N EL CTIlO1 lCS 0 1 0 0 5 711 7 t 1 Figure 5 2 onnecl OfIs in MulU_CItaru e1 MacltlMs WIth Sync Fe alu e 1 T l 7 I I I ...

Страница 32: ...llator frequency 101kHz e k ilch Ihe VU meIer 10 lhe BIAS po ltlon AdJusl the BIAS CAL pot R621 for a 0 ZerO rt adlng on Ihe VU mClcr 6 r S Ucll Ihe VU meIer h ock 10 PB Adju 1 the RECORD LEVEL conlrol lor a 0 zerO VU VlJ m ler 10 REC and adjust the RECORD ALIllRATE pol nSOS so Ih 1 It too produces 0 IIlm reading on Ihe VU meter S eep lhoe oacLlLalor 10 10 kHz Ad Just Ihe high RECORD t QUAUZEI fR6...

Страница 33: ...TERNAL TEST 280 ELECTRONICS ASS Y EQ UI PT lUo 0 NOTES fOR v7 ANO IPS sET AUO O EN fOR lO 2 REQUIREO USLNO f LHR 3 ULTL f IUER O TLeNAl Fib Ure 5 3 Model 280 Electronics Test Setup L1 5 001 _ 1 I c t 1 Figure 5 4 M ttifilter S hematic Diagram OSC Ll SCOPE OLSTORTION ANAlLUR nUTTU 1 ...

Страница 34: ...e on tape at the ype to be used wilh Ihe VU n ft_ te r on set He Record Gain lor he zero readlRi on the Icr A choice is allable to tl user You may either rerord 1I normal le els or at a higher 1 1 ilh a bette sigra l to nois n tio b U the linearity Circuit if to bc used only tor cedislorUon al nOrmal Ie sa llch the VU meter 10 Record and ael the Jlecord Cal Ibration control so lhat the mcter 1Il3i...

Страница 35: ...O Itput to the flutter meter Cali brate as required c After reoording On a portton of the t p rewind and play back Obsen c the luttcr meter reading ExceSSive flutter may be caused adefedive capstan motor check lubrlcallon mlsy bearings improper capstan Idler pres sure Or low line oltagc d Wilen making flulter measurenents at high and low speeds It Is Important that the c pstan motor be turned off ...

Страница 36: ...ent section The remainIng paragraphs of Ihls secUon ate dlnct substitutions for the Similarly num beredparagr pM In I S of II Figure SA I Pt olograph of Motion Sensing Transport manual All other paragraphs in sections I through are hoUy app lcable 10 Ihe Morl 280 with Motion SeMlng BA2 7 REMOTE CONTROL The s ully 280 Remote Conlrol Unit CalaJoe No 504210100 01 Is required for remote conlrol operat...

Страница 37: ...e capstan by mU or a mecllanicallinkage p ulnj the lape between the roller and capstan firmly Tile capatan mo tor proVides lhe conslant lape speed cOMtant lape mottoo Is usured by lhe clamping acllon of the pressur e roller In the last modl a Forward and Rewind the torque mota drive 1M tape a nd Ihe cap Sian motor and rollers are Inacth e The motor acting ulakeup NI II wllh full volt age the ooe o...

Страница 38: ...IItlUle re lay op eutes Once energized the sense rclay lockS Itself In and performs the approprIate Oltage switching for lhe t O motors hUe also keeping tbe brue shOe Ienolds energlud When the tape beglJ to m we In l It Opp05ite dI lioo the sensing s ltch mo es to tbe opposite _1 tion breaks tile locked circulI and turns the Sense relay to liS oormally de energlzedcon dillon This caus the brake sh...

Страница 39: ...gh KI03 15 16 and remo e braking friction from the take up and supply drives 6A 4 The capstan solenoid LI03 Is energized through K103 9 10 nd engages the capstan roller The start tOl ue relay KlQ6 is momentarily energized through KI03 6 7 but drops out when Cl22 becomes chargtld Here the chargingtime constant Is determined by C122 nd R l6 This action briefly applies full line voltage to the take u...

Страница 40: ... its own contacts 6 and 7 and the 14 and 15 of thE lut lorward relay KI02 This applies full line olt agctothetape supply motor contacts 21 and 22 and holdback ollage to the take_up motor fcon tacts 18 and 19 Brake shoes are reloased 15 and 16 and the tape lilt solenoid LI02 is energized thrO lgh KIOI 12 13 and the head shield microswitch Sill thcreupon thc is lifted safely away rom the heads The m...

Страница 41: ...upply olor and holdbatk vo age Is applied 10 lhe Itk e up motor See fig ure 6A 3 Or 8 8 The capstan solenoid relay contacts 9 MId 10 and the start relay contacts 8 d g e Jize the lou hlel 01e 1 LIOI hlLe the slart relay contacts II and 10 and up solenoid relay conUcll 5 and 8 de rgtre the npstan solenoid L103 COnlaCIS 21 and 22 of KilO close to discharge the start torque capacitor C122 Immedlilely...

Страница 42: ...d S112 and the capstan 1I01e ld io kept dB energl d by KIIO_S B until lhe sena Lng rel r y normaU ed by lhe lape controlled tlon 01 S1I3 Mean hlle conlacl8 Hand 15 01 K108 Or KI09 kOOp Ibe start lorque relay dIs abled Whenthe UtIIIl relay are oormaU d the setllle Id ng circuit 18 opened and oper l Uon beilln In the slart mode as descrillod In 8ubparagrap l eA4 2 2 Al lilat lime Ihe cap 81an soleno...

Страница 43: ...o 1 1 I I I II I Illil l j j lr1 l e I i J u o j J I ri i 7 1 i i liS III I I I o il 1 11 H 1 l 0 1 1 r T H iT d 2 i i j d 1 11 l Ji Ji l l I rl 8 t c f ia a J rilE 1 T k 1 l T I I L ____ L _ _ _ _ _ _ _ _ _ _ _ _ _ _ o G g N ...

Страница 44: ...II 10 l 2 lnd supply reel Set 10 1 ln h takeup rHl Set to La b 0 not ge thue selllngs hile lape is III mO on c When operallng In the Fasl FOT rd Cr Il nd mode and USing dissimilar reels br okin g must be acccmpUshed by dynamic neans tefore the STOP button I pressed If in Fast for ard slow do n tile tape by pressing IlE WIND then hen Ihe motion is almost stepped the STOP button U In Rewind slcw dOW...

Страница 45: ...ergized and holds in its own contaC G e 7 d thG normo lly clo w con_ tacts of the STOP switch High torque is then applie d te the supply motor through KIOI I 22 and the REEL tension selector switch SI09 For the HI H inch and MED IO I 2 inch pOSi tions full line voltage is present For the 1 0 7 _inch pOsition 70 olts AC is applied Low lorque 35 volts AC is apptied tothe takeup mO tor a 19 The brake...

Страница 46: ...liGHT R 101 os LOZ n RT RY KIOI ST RT W KI0 3 4 I eRIOl 114 109 eRIO m KI06 RIL5 c 103 TOflOU Z ZK llO I c PST STOIIT SHU L iJ RliS nAlOT I t T 04 9 lCnvlf O fI f HD SHIELD SOL LIOl ASTER SW D EDif R W NO 1lF 7 KIOINO L fTfR X LOS L 04 Clf RY XIOI SUPPLT 6RlKE KI02 fwO SOLE NOlO EDIT eM TAI W BRAKE stART OS 017 05 SOlE NO D M CIRCUIT SHOlliN WITH POWER Off Figure BU l Model 280 SP 14 DC Control Ci...

Страница 47: ...d K 103 19 Lo Med l Hi Lo Ile 1 J 101 K 101 K 102 1 r re 115H t supply Telleup 6B 4 He 50 VAC P3 7 Fest Rewind 10 10 14 W 10 14 10 14 Cli Lo l Lo H La ii Lo Hi La Hi LO OV y 70 nov nov llotor Tllkeup C C 70 nov nov ster S 114 Spee 1 Equal t TorQue Y Y Y Figure 68_2 Model 280 SI 14 Tension Conlrol Circuit Simplified ...

Страница 48: ...manual is applicable exeeptforthe SpeCI fications pertaining to rcel sizes and the omis sion 01 a HECOltD control Heel sizes up to ll 1 2 inehes rather Ihan 11 1 8 inches are ac commodated in the standard Mode l 275 tape transport Fourteen_inCh reel accommodati oms can be obtained on special order For other the follOwing list is substituted lor the Model 275 TAPE THA 1SPORT CONTROLS Po cr OIl and ...

Страница 49: ...ATING The op eralilll COOlrols On the Model 275 a C Identical 10 those 01 the Model 280 wHh the of the omission 01 thcRECORDswitch 5106 and lIecord lamp 00102 These has been r laced I ry a rccuud monllor jack and a monilorga n conlrol All oth ropeu ltng Instruc lions Ul section 3 of manual are apphcabl to he Iodet 275 c4 TAPE TRA SPORT illdlh dC6 criJlliOC of the he asscnlbly the cragc in section ...

Страница 50: ...2 an emitter follolO e r to pro de a or the complemental y push pull oulpu tran jstors and 3 an output t anslormer and feedback nct ork The ignalicom theoutputtranslocmer feedSlhe LIXE OUT jack the po amplHier and the headphone mooitor 5 3 pOWElt AMPLIFIER The pov er lIllplUiec is a loUd Ilate plug_in module capable of s1Jpplyinl 01 pM er Into an 8 Or 16 ohm speaker n t llro Idedj All OJt lge gain...

Страница 51: ...lmb an Ie lJ Y HI k llau o x t OJ UOllnl I x _ 0 x 0 9 rp 4lTIlU 4J I x 9 U 4 t U 4 1 1 I I 1 1 0 4 U to I Plq PJnc h qw n l J q PNH PNH Ajqru PCOH Imp l P r I I I I uu P PNH lin PNH I I I l i I 1 1 J I 1 11 0 J S lsn U Vd o IS 1 I I r ...

Страница 52: ...3 channel 05 Record 4 channel w Vbywck fulllrac 02250000 01 Pbyback 2 lrac Pb l back 2 Pb l back qUHter nOK Vlayw ck 3 ohannel 05 Pl il bacx 4 channel powec inlercon 1 2 fl Cable odd power two Cable head po H th Cable head poWN 00 ohannol Connector he d i m le Jl08 HIO 035020902 ConneClor ad nale Pl08 PI10 03 010901 t For 1 0 recorders r rrO l eers The A quanhhos a rc recOmme ltled or ord ppo Quan...

Страница 53: ...ywheel cast iron 5020 0003 fly h 1 m ch ned 502050005 f tY h I a luminium 5010 0002 TOItQUE MOTON 502060000 02 Knob hold d n 046040003 Hub reel centedng Reel pl l tform a embly 502060600 totq motOr br ke 502060301 Motor torque 502060100 Brake dISC a mbly 502060500 Brake plale usembly with 502060400 Brake pbte solonoid assembly 502060200 Solenoid brake 026131483 l ut brake sprtng adjusting 50206030...

Страница 54: ... LIFTER Knob tal lifter Roo ATL gl ss 5020 0404_01 n BumP r fdt Plunger ok ooid ATL s olenoid assy plunger and linkage 502010 100 01 Solenoid Ll02 with connector 502010430_01 o _16 17 A rpo Hltet ith piston 071031250 5 itch microswitch 5112 030202022 Br eket microsw t h 502010406 02 FRO lT HEAD SHIE LD ASSEMBLY Hinge 0180116 1 I Kut 5020106 5 hont head shield asS 502010600 Microswitch as embly 502...

Страница 55: ... t eHing 504010301 3eHing 080013118 Rousing top t ear ng 504010001 Roller 502010201 S itch actuating colL r 50l010302 Jumper 504070306 Limit erewassembly 504010305 Mtcrosw h o I For two recordero reproducer The A quantitlu reoommended for ordinHY support Th aro recommended Or heavy GUPf O 0 g C lnota11 1 0 ...

Страница 56: ...1 JI02 COM lor clronic 035021501 JIOl Connector 9 pin 035020902 Connector cmote 2 pi n Ol5022WI J1Q4 Monitor onn tor 035110101 I tOI Ki O 0 0 0 RcL4y 6pdt 02313 1306 L103 S e PRESSURE ROLLER ASSEMDLY 5020s o2oo L104 105 SM TORQUE MOTOR ASSEMIlLV 502060000 P IOl PLu mmy r p for remote I I ml 9 pin S02120 M 1 Plug dummy rep oerr ent for remote 00 1 25 rin 502120502 P dumm In erter lnl SOl120600 RIOI...

Страница 57: ...P t I oqu hall 42 spd 030IIH063 s ileh p d oq02 I n 4S pd 030104012 Slll Sil2 s eh 030202022 Sil3 s tlch 4mlc tlCh 4mull 51 4070307 Wlt 04ro300J9 f uohwtloo b ue 046030074 1 1 0 1 011 tlile 046030040 Pu wtt 04603OO l5 l uollwttOIl y lIow C mcul 502010001 Panel dru I Ito l l ellenlll 502010800 01 PO_I d f verllUI enlll m Knob l clO 0460I lI 4 t I M wo re urder reprolllcers n e qU3nhllu arc recomml ...

Страница 58: ...indl trip C ble terconnect mono C ble i tercOflIlect 2 track Cable Interconnect 3 track 4 lrack RHIOTE DELUXE Ht Lamp mdlcator li3s5 Connector 25 pin 220 ohms ResiS1Qr 100 oom S Ioitch fast for v ard rev lnd nd ATL s itch jSTOP START record Cover CO e tOr Lens Me 1 Lens Mue Le Len red Part 0 012019076 028207342 048010103 04801010 002010084 020100001 020100002 502100500 503110001 501110 00 01868410...

Страница 59: ...acl1or t rimmer 800 2300 mmld 017803106 C6 8 C pan or 0_02 mfd 010025001 C619 C620 C paol or 1 000 mId 012019078 Capact or 250 mId 25 v 012258O l6 C6n C pact or 0 0015 mId 011153104 CR603 Dio le Zeoer VRI8A 028402018 CR604 _ 1 4 n 2483 028204483 OO6 l1 00602 Lamp indicator _1828 04S 011828 cord light a sy JM no or in 035080331 00 Connector outpu 035080332 ro Conneotor monitor 035170101 00 Cunoe lo...

Страница 60: ...ch U8embll j select 502111600 Waler tcll pos 034302042 Detent switch 035040001 00 Sv Uch linearity 030203022 00 Sv itch terminatioo 030104022 00 T ransformer miorophone 020301001 00 Transformer line 020301002 00 Transformer tput 020304001 W Transformer sync 02030SOOJ 00 Transformer bias trap 502 1 l500 Panel front 502110101 Strip 502110103 KJlob hne termination 046010001 Knob mode meter seleet 046...

Страница 61: ... Choke 10 OOOpHY 021040142 RSOl R851 R856 Resistor 4 7K OO 472024 Hesis or 3SK 1 2 w 001333024 I SK 001182024 00 Hesis or 33 ohms 001331024 R854 Hesl or 47 oom5 w 001410023 00 Resistor 1 5K 1 2 001152024 00 Resistor t 7K 5 001472023 00 Resistor 82ctlms 1 2 w 001820024 Resistor 56 ohms w 001560023 He5l sror 56 ohms 001560024 MIl R813 R853 1 2 001102024 M12 R814 R855 H lstor 22K I 2 w 001223024 M R8...

Страница 62: ...Re i or 1 mego 1m 1 2 w Re lstor 330 ohms 5 b I 2 w Resistor 220 ohm s l Resistor 470 ohms I 2 w Resistor 220K 1 2 w Re lstor lOOK Resistor 2 7K 5 1 2 w Resistor 820 oh s 5 Resistor 5 6K Resistor lOOK Resistor 15K 1 2 w Resistor 47K Resistor 270 ohms Resistor l K S ully rart 0 0110H104 02H2So002 02706n04 027052704 001105172 001270023 001221023 001820024 001224024 001104172 001272023 001122023 0015...

Страница 63: ...sistor 100 ohms 001 O1024 Resistor 1 5K 001 52024 Resistor 10K 00l O3024 RIOlO Resistor 680 oIlms h 001681024 RIOIl Re istor 270 oIlms 001271024 RIOl2 Resistor 33K 001333024 Q1OO1 Ql005 TranSISlor h527 021052704 Ql002 Ql004 Tr i510c 2W147 027214701 Ql003 Transislor 027227005 ACCESSORY PAIns Remote 20 ft cable Hem e oontrol unit leloxelt Ext o ler playback oard 50211 400 Exton ler reoord card 50211...

Страница 64: ...SECTlO 8 HEFERENCE DRAWI GS o 8 1 8 2 ...

Страница 65: ...c ass 2 Ree l stabilizer lower Brake plate ass hearing Brake plate sOlenoid assy LO cr bearing retainer Brake sprmg adjustment nut cun ed Brake spring Lower bearing retainer U Teflon brake gUIde flat Motor solenoid connector Flywheel cast iron Brake plate plunger Tape lilt toggle assy Fdt plunger Manual lape lifter guide assy Reel stabIlizer tension arm Pyrex t Uide rod Tape gUide 1 4 inch Dress k...

Страница 66: ... head Ilack any 4 Machine Icre zenith ad 5 Erase Or record head mounllna sub plate 6 Record head Black auy 7 Suape filler auy Co neUc hOUsing 10 Playtuck head Iack assy 11 head mounHna sub plate 13 Carbide tape gulde 14 Set sere 15 Head bridge auy lop plate ...

Страница 67: ...RENCE DRAWINGS REFE Figure 8 2 MagneUe Head Assembly Exploded View 8 5 8 6 ...

Страница 68: ...REFERE CE DRAWll GS LEGEND J Tape breok arm 2 Tape break m eros itch 3 Tape guide 1 4 inch Slccyc bearlng 5 Sprmg 6 Sprlng adjusting collar 8 3 1 1 Jrc l rm Ass mlJly 8 78 8 ...

Страница 69: ...os t o11ng screw Automatic front shield spring retainer Automatic front shield spring Automatic front shield plunger Automatic fronl shield micro witch Automatic Iront shield micro witch mounting plate Automatic Iront shield solenoid Automatic front shield air pot Automatic front shield air port adjusting val c 1 j 10 Figure 8 4 Automalic Front Shield Assembly 8 9 8 10 ...

Страница 70: ...pe lifter connecting rod 8 Autoroatlc tape Iler actuating arm o 9 Auto alLc tape Hiler c mprenion prlng 10 Au o tlc tape lifter plunger 8t09 11 AutotnlLc tape llfter small felt pads 12 Autornatlc tape utter plunger stop collar 13 AutornalLc tape Ufter large fell pads 14 Automatic tape llfler soleoold plu ler 15 Auto tic tape lifter solenoid o 16 Auto allc tape lifter dampIng piston 11 A toruUc tap...

Страница 71: ... l o a t o m I I I I I I I I I I I I I I I L _ M I no lII O _ rJj rn FIgure 8 6 Dc Power Supply Schematic Diagram 8 13 8 14 ...

Страница 72: ... Id re t _ _ 0 _ II aJ ...

Страница 73: ..._ _ m _ 0 a co _ i rr _________ ____________________ J I r 1 _ w _ MO co c v n _ 00 01 1 0 0 00 co m 0 u _ _ Figure S 7 Mode 280 and Early Model 280 SP 14 Power and C ntrol Circuits hernatic Diagram 8 15 8 16 ...

Страница 74: ..._ i i ...

Страница 75: ... J c tr L REFERENCE DRAWINGS I l I i I L 11 l I r Figure 6 8 Model 280 wIth Motion SenBing Power and Control Circuits Schematic DIagram 11 178 8 ...

Страница 76: ... t ij l r w r r 1 ...

Страница 77: ... Ow n 1 1 1i 11 r i T I t I 0 _ ___________________ J _ m __ _ _ M i 1 0 I _ _ _ _ _ _ _ Figu 8 9 Model 280 S P I4 Po er and Control ClrClIllS ScllemUic Diagram 8 19 8 20 ...

Страница 78: ... z _c 10 _ 1 _ 4 1 0 __ 1 Ialtl 1m _ y notie c 0 _ _ I JJ l _ L L J or l t 0 1 I d f r I F t I I t9 0 l r L l r t l 1 f _r r t II e I ...

Страница 79: ... Hi I l l 0 c t L j J JI P I r Figure 8 10 Mo Iel280 SP 14 with Motion SenSing Pi wcr Control Circuits SchematIc Diagr m H 21 H 22 ...

Страница 80: ...rl ll 1 I I I j 1 1 H Id II l l _ H c J i 2 i t i l i l l l irth11 II U liP J r11 il I l I t I I II r I Hj jl III rl III I J1 i C r i 1 f H i 1 d I _ 1 l cr _ _ r 1W 3 0 h H Hi il JU J GI I III rM r _ H 1 I I I 0 IJ e t 1 H 1 ...

Страница 81: ... _ 1 W 1 u l J c I REF ERENCE DRAV CS c o 0 0 __ OF no I_ II 0 _ J_ _ T _ _ 0_ 1 0 u r Figure 8 11 Model 275 Repr Qcer Plwer and Control Circuits hematic 8 23 B H ...

Страница 82: ... r r n ...

Страница 83: ... _ M M m REFERENCE DRAWlKGS 0 0 K _ _ co Figure 6 12 Electronics Schematlc Diagram All Versions 01 Model 280 Sheel of 2 Sheels 8 25 ...

Страница 84: ... I _ _ r5 ttt I co of 1 v J n t 1 l 1 l 0 Q 0 zr L _ YO _ J 3 CA 0000 oe Figure 8 12 Electronics hematic Diagram All Versions 01 Model 280 Sheet 2 of 2 Sheets 8 26 VL lfJ C T ot c n 0000 1 l L r ee c _ ...

Страница 85: ... 00 _ I r 1 r L 0 f J v o J r r r l iJi t v 1 0 0 F l c r m w _ 0 e T_ C C T 00 0 OL L ZAT O I IIT oN lcT L Iiil I r J t J _ 0 C R 0 c o 00 00 DO ...

Страница 86: ...O CILLATOR FIl lre 8 13 EIe lronits Circuit All Mode18 280 Pa rts LOcation Dia8 ams ...

Страница 87: ...1 I I I i i 1 1 p PI l r 1 L i I oo n a K 1M I III T J IlII rrP T 1 II 1 0 11 e ferN I oe o 1 v O JT 0 6A L Y C I I rowER M1P CA7 50SIIIO ...

Страница 88: ...N CE DRAWlS GS ____L ________ ___ ___ PR AMPLIF ER Q lT SOIllOIOO I I I I I I I I I I I I I I I I I _J I I I I I I I I I I I I I Ftgure 8 14 Model 215 E CtronlcsSchematic l Iagr l m OWER AMP CAT 505111000 8_27 ...

Страница 89: ...o T 501110100 Car ls Electronics Model 275 rams Figure 8 15 Parts Locallon Diag 8 28 ...

Страница 90: ... f I CAT 505111000 ...

Страница 91: ... N N 0 0 0 0 2 SMHY H J 002 MFO CO NHE Tl O NS FOR MULTI TlI l C HEAD PINS r TRA l IIF ULl UALf 11100 1 P I N S 0 T lIAt 2 11 01R ll1 o CO PINS e F 111AC 3 PINS H J N N 0 0 20 N 0 a 0 i 19 18 0 0 II 7 N 0 ERASE J loe o 0 0 _ _ J o f RE CORD J 0 9 I _ m Ii Vl o 0 0 P BACK TilO J o s o o f L_ ...

Страница 92: ... ADDEO WIT H 00 2MF O C t PACIT O R ON F ROM P605 12 MU lTI TRAC P605 28 THESE U N I T S COM PONEN TS A il E lOtATEb O N INTfR CON NE I N CABLE BRACKET 5 H EAD CON NECT I ONS SH OW N ARE FOR MO N D t A B L E S 6 I II LL MULTI TI AC CABLES ALL 0 CO NT ROL R E PAR I LL E L 1 I NSIDE SH IELO OF RH HEAD LE A D I N CABLE TO J 1 10 BUT N OT CONNECTED Figure 8 16 Interconnecting Cable Schematic All MC de...

Страница 93: ... i 1 i REFERENCE DRAWlSGS 00 c t 5 u to OOIH 1 L O I Fill re 8 17 ModeI 2U Interconnecting C ab le Schematlc 8 31 8 32 ...

Страница 94: ... 5 401 g HOlES_ V U 5 4RE N OHMS 2 All lAMPS 0 5 40 4 All DEFEAT f q 0 J x T L MOCAOS MTC i ON DECK n ure 6 18 Deluxe R mOle control Unit c u NO 504210100 01 Schemat c Diagram fo r Motion Sensing M Iels 280 and 280 SP_14 a 33 a 34 ...

Страница 95: ...d 10 excesstve current miSUse negligence Or 1 1 llad its serial number removl d alterl d or defaced In any manner 4 Replacement parts UPl III d under thIs warunty carry only lhe IIrexpired portion of the origLn lI arranty SOLE WARRANTY Thl5 runty Is In lieu of all OIher arrantl expre6sed Or Implled and all OIlier oblig aliO l Or liabllUles on tile put of the manu factu er No person inchidlng any d...

Страница 96: ...lce depanment In Warranty and Qui 01 W irnnly rep ir of Scully equipmenl It Is intended to Ie be cuslom rs ho are noc lami liar vilh Scully equipment to mllke UM of Ihe Scully Service Con IUllalion fadbtif ll or hoM d lIlculliu tannot be solved by local service representaUvea or phone calls For all In Warranty unlls Or pari Ihere Ill be no boor orhandlll i char e If the unn or part compli 5 Hh the...

Страница 97: ...ppropriate lnSlructiOr l manual reylsions supplements Or cornelions wm also be issuc l when wuranted These data are Uued In lOO5f _leat form and when should be bound behind thl page for convenIent reference TO ASSURE YOUR EAALY INCLUSIONONOURMAILtNC LIST FILL OUT YOUR WARRANTY CARD AND REnJRN IT IMMEDIATELY TO Scully RecQrdlng In trument Co DIvision 01 Dlctapl orle Corp 48 Bunnell SIrHl Brld eport...

Страница 98: ...0 I I i l r 1 51 fl I 7 zo 3 i r z 3 tn C c m m 0 V m c m V z J m V c m 0 C ...

Страница 99: ... I H 1 7u _A It V I 5 Rec SI N from 10 I r I I _t _ r r I I I KHZ P 6 llee Phose v 10 KHZ S orial Numb of Card 6 I o d OK 9 Depth of Erose C 9 10 Erose R CIding 0 4 7 Bios 11 a k 1IO ot 10 Kh 12 sYII Reopo ot 10 Kh 1 13 M1C I 01 1 Kh 14 Flutt RMS HIOh Speed I c 7 0 6 Low IS Typo s ialNo ofHHcl PI III R vIE s rV 1 11 _ 1 it I 7 719 AI I No 1 1 71 I a I 1 l t I t ...

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