Pioneer pl-x50 страница 48 Скачать руководство пользователя | Manualshive

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Содержание pl-x50

Страница 1: ...4 1 Mesu o 1 chome Megu o ku Tokyo 153 Jepan U g PtcNEEFt ÉECTF CI IIGIB t C fIFCIFIATICTN ElS Dxfond O rve Moonachie New Jensey O7O74 USA PlCtÀlEEFl EI ECÎF CINIC EUFrclPEl N V Luithagen Haven 9 2O3o AnEwetrp Elelgts6 FfctNEEFt ELECTFlCt lleg AIJBTEIALIA PTY LTEI 17e 1e4 EloundêFy Road E êesrde VicloFaa 3195 Ausunalia Y U O I U N E1 9 8 I Type Voltage Remarks H E 22OVand240V Switchable Eurooemode...

Страница 2: ...4 5 r p m Wow andFlutter Less than0 0457o WRMS Signal to Noise Ratio Morethan70dB DlN B withPioneer cartridge modelPC 3MC Tonearm Type Integratedstraightpipe arm C 3MC Specifications Type Movingcoil type Stylus 0 5mildiamond PN 3MC Output Voltage 2 5mV 1kHz 50mm s Peak velocity LAT 1 79to 2 39 proper 29 10to 32 000H2 50kQ W e i g h t 3 1 9 Subrunctions Fully automaticoperationwith separate tonearm...

Страница 3: ...sed f I 33 l 3 rpm O HEADSHELL NOTE The headshetl and canridge have been drawn so that they are visibre for the purpoæ of expranation onty They can not be seen as shown above during normal operations cenrnlDcE pc 3Mc TURNTABLE CABINET DOOR cENTER sHAFT RECORD SENSING PIN Thissensor functions to detect whether arecord isplaced ontheplatter or not This turntable will not c platter lf you attempr to ...

Страница 4: ...ism motor starts rotating in a CIV direction caus ing the tumtable to come out 3 As the mechanismmotor rotates the slide base travels from its housed position to its out posi tion When the slide base reachesthe record load position opening attachment switch 52 the number 3 number 8 pin of IC3 again goesL stopping the mechanismmotor rc r i 840018 Fùll aulo control sa æælt u o srrch oi oFF snt rwirc...

Страница 5: ...ent of the rack gear causesthe tonearm to return to the armrest The slide base then s F PEAÎ moves to the OUT position and stops at the record load position following the same opera tional procedure as listed in item 3 of loading out END SENSOR CIRCUIT 1 The construction of the end sensor circuit is shown in figure 4 5 When the tonearm reaches a point approximately 120mm from the center shaft the ...

Страница 6: ...N When the tonearm reaches the rspold disc size 30cm position it stops However the rack gear continues moving lowçri4g the elevation shaft and pressingthe dowp comple_ tion switch 54 When the down completion switdh 54 is pressed the number 2 pin number pin of IC3 goes L stopping the mechanirth rrotor This puts PL X50 in a playbackstatusil b 7 1 i rl 4 5 O s 6 N O Âirâchment switch I r L iwitch rl ...

Страница 7: ...to also go L stopping the mecha nism motor 5 As the ARM button switch S7 is pressed DO ryN position transistor Ql goes ON and the number 7 pin of IC2 goesH and tJrenum ber 2 pin goes L Since this causesthe number 1 pin of IC1 to go L the number 3 pin goesH sc GæAT oFF ON I 6 When the number 2 pin number 7 pin of ICB goes H ttre mechanism motor turns CCW Operation hereafter is the same as item 5 an...

Страница 8: ...witch 53 the number 4 pin of IC2 goes L causing the number 3 pin number 8 pin of IC3 to also go L stoppingthe mecha nism motor 5 As the ARM button switch S7 is pressed DOWN position transistorQl goesON and the number 7 pin of IC2 goesH and the num ber 2 pin goesL Since this causesthe number 1 pin of IC1 to go L the number 3 pin goesH If the ARM button switch S ir placedin the DOWN or UP position d...

Страница 9: ...atus I UP comptetion switch switch s Attâchmènt switch 56 STÀRT s7 5 l DOWN completion 5A Rtæ t Ê 4 0 rc 3 846208 M O T O R D R I V E æ F r r t L L l l L l L l x l t r l x l s I T T Î L l l J l l f f L f t H t H t l F f f O rc rMaa oora ii F u l l a u t o c o o t r o l tc 2 MEE4027E Flip flop rc 4 M8840lrÊ R E P E A TC O N T R O L OETECTOR assembtv oa Fig 4 2 Auto leadin ...

Страница 10: ...tion and rc r ra8400tg F u l l r u r o c o n t r o l 9 4 0 arm returns to the armrest f ing the opera entering UP operations After UP operations are tions listed in items 4 and section and the slide base load position ill o o tch twitch 3 the tone e auto return at the record Str in the UP OFF status r L and the mfter 1 pin of mber 3 pin is igtal input to H thereby ber 2 pin the mecha turn CCW P bu...

Страница 11: ... C6 This causesthe num ber 10 and number 12 pin to momentarily go L 4 lVhen the number 11 pin of IC4 goes H and the number 12 pin of IC2 goesH the number 15 pin will go L to execute lead in Operations thereafter are the sameasauto lead in s3 ftæ 1 lVhen the START STOP button switch 56 is pressed placing the unit in an auto stop status the repeat status cannot be entered even though the REPEAT butt...

Страница 12: ...essing the START STOP butron o Indicates the direction of rotation of the mechanism motor r Sl 34 ind icates the direction of sutitch connection r F Fshou rs whether the H signal is from e or t Auto function indicatesthe output status o Loading out and other operational status are shown in Figure 4 10 POWER o N doused I posr 1r on Loôdrng out a Loadingout b Loadingin c L e a d in d L e a d o u t T...

Страница 13: ...Play I Load out Record load Posrtron Loading out Record load poSrûon Loading in Is s ...

Страница 14: ...and 2 pin of ICl goesto L and the B pin goesto H The_number2 pin number pin of ICB goes to H starting the mechanismmotor to rotating CCW Since the number 12 pin of IC1 goes L the number 11 pin goesH and transistor e3 and Q4 turn ON for turntable motor rotation_ 1 S I Housd s 2 A s2 Artachm nt switch s 3 u P c rc 3 8Â6208 M O T O R D R I V E 5 l O O W N c o m p t s r i o n s4 00wN S 5 I N V E R 56 ...

Страница 15: ... h Switch I e I s2 Atâchment swilcn s SA REPEAT 5a DOWN cpmpletaon S I Housed siæh Oil gi S 2 Arschment wich 9 OFF s 3 UP completion siEh ON OÉF 54 OOWN compl donslsh Ol oil gE oN ggE 56 sl rl st s7 oN oJE uP 94 s ON _ gEE OFF ON e 4 0 l Â l E l r j l I l I l r l l I r I H I H I t_ __l_ Ll____ L 1 l L l l l l l l l H l H l t I l H l H l t I fc I i6B4oors tt ur rr a È Té rc5 8A62 M O T O R D R I V ...

Страница 16: ...5 MAJOR COMPONENTASSEMBLY DTSASSE ...

Страница 17: ...osed place your thumb over the pivot of the power switch lever and while applying pres sure rotate the lever toward the microswitch in the direction of the anow until a click is heard This operation is performed with the slide base in the housed position Figure 5 4 Powerswitch Microswitch t panel switch lever Fig 5 4 Power switchattachment 5 When the escutcheon cover is removed for operational che...

Страница 18: ...C o m p l e t i o n Record loaci Loading oul position Loadingin L o a d r n g i n Housedposition i End sensing I executed ...

Страница 19: ...TCH ON Mechanism motor Turntablemotor Auto function End sensing Housedswitch Sl Record load switch 52 UPcompletion switch 53 DOWNcompletion switch54 Control FF ARM switch 57 EV FF Invertingswitch55 POWÉR O N flgs6ld load position ...

Страница 20: ... the projection on the outer cir cumference of the attachment flange while Turntable platter Slide base Screwdriver rotating the bearing assembfiy This is to i seatthe projection in the slot to prevent the bearing assembly from rotadng After the bearing assembly is firmly sèabd and will not rotate securely tighten Bcrtw 2 on the bottom of the slide rail Fi rre 5 7 After the turntable platter beari...

Страница 21: ...aded and the START STOP button is pressed again the platter starts rotating and the unit retreats approximately 60mm inward The tonearm then operates ùo start playback The slide basemovesthrough the differential operationof the reductiongearand rackgear Operation of the rack gear movesthe tone arm whena recorddiscissensed 1 3 I The presenceor absence of a record disc is sensedby the record disc se...

Страница 22: ...z e o u a r r u r e a u o l 9 t 9 ô J Â quasse lq6reM a o u r a r u r e a u o l 9 l 9 6 J Â quasse rqbraryl aseq urrv uo rr 6uuap og ...

Страница 23: ...s aqt o1 Eugquras s ol roud palqurasse sr uollcas uu euol aq ZT narcs Euluasool rfq pa orual aq zfeur uol cas uu euo eq L TI oa reeô lceg aleld a uq qclel u peel rleqs eæld nd Âlquesse ea6 peads 11eH I t g 6 J Iel eprs lea6 paads 1eg l un reuleleu oql o u lrun ar l Eurlrasu r ueq 4 uraql e8polsrp o1 alqrcsod sr 11 raaaaloq pa8polsrp Âlsea 1ou puu ernssald q q plaq ers Âaq1 1run raulelar ort q aæ s...

Страница 24: ...turntable platter movesto the out position qrru rLl ç4u utrç yrqy vqu ulJtl I ation listedin item 3 r _ l 6 2 MECHANISM FUNCTIONS DURING BASICOPERATIONS r Operationof the BasicComponentsF Flow Chart Sensing pin Record load sensing plate Record loadresetplate Lock leverassembly Lock lever resetplate Slidebase Red line Recorddisc is loaded i Playbackposition Record load sensing Sensingplate retreat ...

Страница 25: ...e Recordloadsensor plate slide base tumtable platter in a forward direction 6 When the slide base has moved out approxi mately 120mm projection A on the slide base presses the attachment switch actuator and turns it OFF This servesto stop the slide base drive motor from rotating refer to the circuit deseription and the slide base is left fully extended In this condition if the START STOP but ton i...

Страница 26: ... completion switch F r o F 1 o F t NOTES o ON indicqtes stoitch depressed OFF indicates switch released 2 7 Projection A of the slide base pretæs the upper side actuotor leaf spring ON Projection B of the slide bose pteæs the l6up7 sijg actuator Ieaf spring OFF In accordancewith the varioussrritch positions shown in the table the arm elevation switch operation through the instnrc ions from the PL ...

Страница 27: ...turning it OFF 6 At the same tirne one side of the slide base reset inverts the lock lever reset plate lVhen this happens it is possible for the lock lever assembly to rotate CIV however since it is butbed up against the slide base side the rack is held in a locked position 7 In this status if the record disc is changedand the START STOP button pressed again the operations as listed in the tonearm...

Страница 28: ...o be brought to a forward position Thus when the plate rotates the projection on the plate bypassesthe large lobe and continues rotating until it contacts thB smalllobe for 30cm records 3 When the roller section is not preeoed the plate remains in the back positiorr and the projection on the PU plate strikesthe largelobe 1 cm records As the driving plate rotates the recorrdsize is sensedby the rec...

Страница 29: ...pinion gearis attachedto the slide base When on side is locked down rotation of this gearcauses the oppo sitesideto move Since the lock lever reset plate stays in a status indicating a record is loaded it enablesthe lock lever assembly to rotate toward the slide base side and one of the end rollers is engaged in the rack gear The disengaged roller on the opposite end is pressed up against the side...

Страница 30: ...rt for further analysrr Items in the Doesloading out occur Doesloading in occur No loading in Doesauto lead inoccur No auto lead in Doesauto return occur No auto return Doesauto stop occur No auto stop Is repeat play possible Function check Is EV Elevation operation normal No EV operation Is turntable motor operation normal Turntable doesnot stop Is turntable motor speed switching possible Turntab...

Страница 31: ...n No auto lead in Check sizedetector rnechanism and lead in mechanism o Turntable motor does not stop Check wiring pattem around Q3 Q4 R16 R17 CN1 rsrc10 sr Is unit in housedposition Checkwiring_pattem aroundICL D R15 D6 D7 Isrcl uz rsrc1 lr Check wiring pattern around ICl m R13 C13 Check attachment switch 51 ...

Страница 32: ... 54 Is ICl 3 L Is approxinrately 11V presentat ùrechanism motor tenninal Is IC1 2 H Is IC2 15H Check drive mechanism of mechanism motor Are both ICl5 6 L ArebothIC2 10 ll H Check wiring pattern between ICB and CN1 Check lead wire white green Check wiring pattern QetweenICl 5 6andIC3 2_ 3 When S S switch pressed IC2 tg L H Is IC2 12 L Check S Sswitch Check wiring pattern betweenS S rwitch and ICz 1...

Страница 33: ... completion Is approximately11V presentat mechanism motor terminal IsICS L IsIC2 lr IsIC3OL Are both IC2 O H IsIC3 H When S S switch pressed IC2 3 L H Check S S switch IsIcl H Is bothIClO L Is IC2 L Checkwirine pattern betlpeq lCl and ICqz g Isrc1 ur Checkinvertingswitch s5 Check wiring pattern between lC20tand ICl 10 Are both ICl H Check wiring pattem between lO5 and IC1 SlS abbreviationfor START...

Страница 34: ...ead wire whib green connectedto lthe mechanismmotor ISIC3 L Is connector CN2 disconnected Check wiring pattern aroundICS2 and cN2 Check51 Check drive mechanism Check wiring pattem betweenIC3 Z g and cN1 Check wiring pattern aroundIC7A land CN2 Check52 Checkdrive mechanism Is lead wire white green to mechanism motor connected backwards IsIC3 L Is lead wire white green connectedto mechanism motor Ch...

Страница 35: ...Q4 R16 R17 Check for parted lead wire red black Is Pl at ground potential IsICl Hz Check iringpattern aroundIcL ù Rl5 D6 Dl7 IsICl lr Is connector CN1 disconnected IsICl Hr Is Q3 Q4 ON Is connector CN2 disconnected Is belt on unit Check wiring pattern around Q3 Q4 R16 R17 Check turntable motor Is Q2 basevoltage approximately 0 6V Check wiring pattern around C16 R18 Check DO 4IN completion switch 5...

Страница 36: ...ing pattern betweenICz t5 and IC3 3 IstcSiDl Check wiring pattern betweenIC2 t5 and IC1 2 3 and R11 ta IC3 î Is connector CN1 disconnected Is approximately 11V presentat mechanism motor terminal Check mechanismmotor drive mechanism Check wiring pattern betweenIC3f and cN1 Check lead wire white green r TURNTABLE MOTOR SPEED WILLNOTSWITCH Check wiring pattern around speedselector switch VR1 VR2 R19 ...

Страница 37: ...h and R10 IC4 l hen recordJoad position reached does IC2 2 change L H L Is connector CN2 disconnected Checkwirine pattern around IC4 O R9 C6 R2l Checkattachment switch52 DoesEV go UP DoesEV go DO 4IN IsIC8 H IsIC3 H IsIC1 H Check wiring pattem around R6 R7 R8 Ql ARM switch NO ELEVATION OPERATION Is SJead flat wire JP17 disconnected Continued to page36 ...

Страница 38: ...ry1 z l 9 P C BOARD CONNECTIONDIAGRAM 3 A B s s l SPEED o C PIN JACK Ass Y xwx o70 SWITCH Ass y B xws o 3 CONTROL Ass y xwM o73 D lC Ass y xwx 069 3 2 I ...

Страница 39: ...ffitt 2 nzgrsr 9q El Ë Ël1 lt ï l l àa i u u qrPt I OE sr_ uo Y t4ClO tu ez iTô ô rtQ I FrvlPz r r t L I R32 iOOr R9 for H H T j ÆqE aeË Rro 4zr I ki ffi È Ly t i t l j r q R 3 r r 5 0 r c f r H tts fH l tt R 9 Ook R28 lOOt 9 il _ 4r F l ùt 1 o ve3 t524I3 or 9 1 i g rsrsss I 63 I L H ô A5 7 2SCtBt5 YorGR È 1 ô or 2SC945 Por Q R 4 ltJoI twl Q8 2SC945 P SENSERAss Y xwx o7l JP s 1 i l Ç ...

Страница 40: ... Mark Part No Symbol Description PCP O67 PCP_068 RD7 PM tr J RS2HSBF22OJ L SEMICONDUCTORS Mark Part No VR1 VR2 Semi fixed R 5 R 8 R 11 R 1 9 R 3 5 _ R 3 7 c4 c11 Cl5 c2 c3 c l c 1 6 c17 SWITCHASSEMBLY Mark Part No PSG o25 SWITCH Mark Part No PSGO34 FUSE Mark Part No A KEK oo8 lC Assembly XWX 069 Mark Part No Taci rwllch Symbol Delqipton Function switètl Symbol DelCripllon Fuse T315mA R3 R34 Symbol...

Страница 41: ...fore Mark Part No Svmbol Oescription SWITCH ASSEMBLY Mark PartNo A Xws ol2 Symbol Description PSH 005 PSH O06 PDE 105 Sl 52 Switch 53 54 Switch Connector assembly c5 c6 c7 c10 PCP 0 14 RD PMtrtrtr J VR3 Semi f ixed R9 Rl0 R21 R22 R23 R25 R30 R32 R33 RN PR 15O3F R31 RS1PF1OlJ R24 SEMICONDUCTORS Mark Part No Symbol Description M8840118 TC401l BPl 2SC1815 2SC945 2SC945 vD1222 RD3 6EB 1s2473 151s55 rc...

Страница 42: ...DED V o 1 L R E XT 11 11 1 E A I B I I D o 83 79 2 ...

Страница 43: ...4f q 45 t 4l 75 I w e I 85 A e cf ù Chassis Seepage48 ...

Страница 44: ...vollage rs 5OV excepl elætrolylic capacitor 3 V O L T A G E C U R R E N T f DC voltage Vl a1no inPQtsrqnal ê e DC r r nt al no jnPul signal 4 O T H E R S I A Adjusting Point fi fi art found on some componenl pans iôdicates the im ponaffi ot the gfety lôctor of the pan Therefore when replærng be 9re to use pans ol tdentiçal desrgnalion This is the bas c shemaric diagram but the ætual clrcull mav va...

Страница 45: ...t _ l 05 7 2SCl8i5 Y or GRor 2 S C 9 4 5 P o r O rpr OB 2SC945 P 5V6oma P E L 0 4 A cds PCX O3rI t I I DETECTOR Ass y xwx 068 o æAIOI5 Yfr GR of 2SA733 Por N V E R T E R tci M88400r8 FUI L AUÎO CONTROL vRt SPEEOADJ 145M RCP 067 6 t t 6 A2 Vcc 2 1 5 A2 ol 3 1 4 clocxz ôi a t 3 ESEÎ2 CLOCKT 5 t 2 K2 RESETI 6 l l J2 KT s T2 Jl a D4 7 ls247t or rsr555 rtù J cro O5 8 R33 ïio 1ôôr ifip ocrEcroR ttt _l ...

Страница 46: ...wx o7r uEcHArrsu MoToR PXM rOO s6 START sfoP s 7 GF E O o ON o mwN B Rr9 c D 5v 60nA P E L _ 0 4 A cds PCX O5r I Q5 7 2scrgt5 y ù cR d 2 S C 9 4 5 P s O 08 2SC945 P DEïECTORAss y xwx 068 I 2 rcr MBSzroorE SP EO ÂDJ RCP 067 d r t 6 2 1 5 02 0r 3 1 4 cLock2 ôi l f 2 C L æ K I t 2 RESETI SET J I _l ...

Страница 47: ...al 4 OTHERS Adjusting Point The rÀ mark fdnd on sme componenl pans indical6 the im ænaÉËÈ ot the sfetv fætor ot the pan Theielore when replæing be re to use parts ot identical d6igndion This is the basic hematic diagram but the ælual cir it may vary due to imp ovements in d6ign swrTcH S SI HOUSEO ON OFF 52 ATÏACHMENT ON OFF 53 UP COMR ETION ON OFF 54 DOWNCOI PLETION ON OFF 55 INVERTER ON OFF S6 ST...

Страница 48: ... PNX 231 47 PNX 232 48 PNX 230 49 PNC 228 50 LMZ30PO80FMC 51 PNX 232 52 PBH 318 53 PMA4OPO5OFMC 54 PBM 008 55 PTT 132 56 P8M OO8 57 PDZ30PO60FZK 58 XWX O69 59 PEC O73 60 PDZ30P060FMC Gear Sliderail lack Retainer Sliderail Screw Slide rail lack Spring Cl Screw Wirenut Power traisfof mer l24O 22Ov Wire nut Screw lC assembly Stopper Screw Foot Screw Screw Holder Washer Lead in ratch PlatespriiB Drivi...

Страница 49: ...1 2 3 4 5 6 7 8 9 10 PXT 455 PLB 127 PNC 1 99 PXM lOO PNX 24O YE3OS PNX 241 PNX 3O6 PEB 184 Chassis unit GearA shaft Shieldplate Motor GearA Washer GearB GearC Damperrubber Screw Motor pulley Belt Pulley 11 PBA I25 12 PLM 006 13 PEB 185 t4 PNX 308 I I t ...

Страница 50: ...a A lB f ffi flu ...

Страница 51: ...O43 PXA 888 PP8 933 11 PBH 237 12 YE70S 13 rPZ30P080FMC 14 PPZ30P080FMC 15 YS40S Cartridge mounting screw Cartridge connector assembly Cartridgeassembly PC3MC EV spring Washer Screw Screw Washer Washer PU spring washer AS spring Screw PU plate assembly Cam PU plate spring SensorassemblY Tonearm assembly EV chip Tonearm pipe assembly Pipe holder assembly Index cam assembly Pivot Holder assembly Nut...

Страница 52: ... le mode de lecturejusqu àI arrêt Précautions â prendrependantle réglage o Ne pas trop pencheret pasretoumer la platine pendantle réglage o Ne pas exercer de pression trop forte en tour nant la vis de réglageavecle toumevis Posit onde I orilice de réglage vue du dessous de l appareil 12 2 REGLAGE DE LA HAUTEUR O ÉIÉVATI DU BRASDE LECTURE Tourner la vis de réglagecomme indiqué sur Ia Fig 72 2 pour ...

Страница 53: ...ur le voltmètre sur cette position Fig 12 4 4 Régler ensuite la pointe de lecture sur 57 5mm à partir de I axe central et régler VRB afin que le voltmètre indique 5 6V t0 2V de moins que I indication précédente 12 4 NÉCIACE DE LA VITESSE DU MOTEUR DE LA PLATINE 1 Placer un stroboscope sur le plateau de la platine et mettre l appareil soustension 2 Régler VR pour le réglagede vitessesitué sur le pa...

Страница 54: ...uit board assemblyto make surethe mechanismmotor and turntable motor doesnot move 3 Connect a DC voltage meter between TP3 and TP4 GND as shown in Fig 12 3 Tum the power switch on and position the stylus of the tonearm 47 5mm from the center shaft Read the voltage from the voltagemeter at this posi tion Fig I2 4 4 Next position the stylus 57 5mm from the center shaft and adjust VR3 to where the vo...

Страница 55: ...een from above o If the stylus lowers too far toward the in side Turn the screw counterclockwise as seen from above Adjustmentholeposition Viewedfrom the bottom of the unit 5 Recheck the adjustments After the adjustment is completed genily push the headstrell in the direction of the anow and make certain the stylus stops at the lead_ingroove position on the outer circumference of the iecord disc t...

Страница 56: ... arrêt Précautions à prendrependantle réglage o Ne pas trop pencher et pas retourner la platine pendantle réglage o Ne pas exercer de pression trop forte en tour nant la vis de réglage avec le tournevis Position de l orifice de ré9lage vue du dessous de i appareil 12 2 nÉcuce DE LA HAUTEUR o ÊlÉvnrlr DU BRAS DE LECTURE Tourner la vis de réglagecommÊindiqué sur la Fig 72 2 pour effectuer le réglago...

Страница 57: ...r la tension indiquée sur le voltmètre sur cette position Fig 12 4 4 Régler ensuite la pointe de lecture sur 57 5mm à partir de I axe central et régler VR3 afin que le voltmètre indique 5 6V 10 2V de moins que l indication précédente 12 4 NÉCUCC DE LA VITESSE DU MOTEUR DE LA PLATINE 1 Placer un stroboscope sur le plateau de la platine et mettre I appareil soustension 2 Régler VR pour le réglagede ...

Страница 58: ...t No Desciiption 2 2 PHG 468 PHG 47O PHA 129 PRD 069 P R B 1 9 9 PHA 130 PNX 242 PHC O83 P H A 1 3 4 Packing case HE Packing case HB Protector L Operatinginstructions HE Operating instructions HB Protector R EP adapror Spacer Turntablepacking 4 5 6 7 ...

Страница 59: ...circunferencia exterior del disco el brazo fonocaptor deberâ estar en el modo de reproducciôn hasta la posiciôn de parada Precauciones enel ajuste o No inclinar excesivamenteel giradiscosni ponerlo al revésdurante el ajuste o Al girar el tornillo de ajuste no aplicardemasiada fuerzaal presionarel destorni llador Posiciôndel orificio de ajuste vistodesdela oarte inferior del aparato Orificio de aiu...

Страница 60: ...la alimentaciôn y poner la aguja del brazo fonocaptor 47 5mm àel eje central Leer la tensiôn del voltfmetro en estaposici6n Fig 12 4 4 Luego poner la aguja 57 5mm del eje central y ajustar el VRB en el punto donde seindique la tensiôn de 5 6V r0 2V menos que la de la ûltima lectura 12 4 AJUSTE DE LA VELOCIDAD DEL MOTOR DEL GIRADISCOS Poner un estroboscopio en el plato del giradis utilice un destor...

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