Pioneer-PL518-tt-sm 维修电路原理图.pdf

《Pioneer-PL518-tt-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Pioneer-PL518-tt-sm 维修电路原理图.pdf（26页珍藏版）》请在收音机爱好者资料库上搜索。

1、()rrroNEefir PLrSlE!Kcr,KUr,HGrMODEL PL-518 COMES IN THREE VERSIONS DISTINGUISHED AS FOLLOWS:DIRECT DRIVE TURNTABLETypeVoltageRemarksKCT120V onlyCanada model (without cartridge)KUT12OV onlyU.S.A. model (without cartridge)H G T22OV and24OVEurope or Oceania model (without cartridge)PICINEEFI ELEGTFICT

2、NIC CCTFIPCIFIATICIN 4-l.Mesurrr l ct,or.e,Meounoku.Tokyo ls3,Japa.lLr.A. PIONEEFI ELECTFIONICE! COCIPOFIATICTN 85 Oxford D. ve. Moonachle, New Je|sey O7O74,I) S.APIONEEFI ELECTFIONIC (EuFlCrFEl N.V. LLrrtiragen Haven 9, 2O3O Ar)twe.p. Belgtrrn)PfO()NEEFI ELECTFICINICEI AI.BTFIAI-A FTY. LYC,. 17ei 1

3、ei4 Elolrrda|v Foad, B.aisrdcj. Vcto.ia 3195. Arrst.al,aRadioFans.CN 收音机爱 好者资料库CONTENTS1. SPECIFICATIONS . . . 32. PANEL FACILITIES AND OPERATION. . . . 43. PART LOCATION 54. MECHANISM OPERATION AND ADJUSTMENT 64.l Start of Performance. . . . 64.2 Auto-Return Detection 64.3 Auto-Return Operation 74.

4、4 Adjustment 75. KCT. KUT TYPE EXPLODED VIEWS5.1 Cabinet I5.2 Tonearm 105.3 Mechanism 115.4 Packing 126. NOMENCLATURE OF SCREWS,WASHERSAND NUTS 137. KCT TYPE SCHEMATIC DIAGRAM, P.C. BOARD PATTERN ANDPARTS LIST7.1 Power Supply Assembly (PWR-032) 147 .2 Schematic Diagrams 158. KUT TYPE SCHEMATIC DIAGR

5、AM. P.C. BOARD PATTERN ANDPARTS LIST8.1 Schematic Diagram 178.2 Power Supply Assembly (PWR-037) 199. HGT TYPE EXPLODED VIEWS9.1 Cabinet 209.2 Tonearm 219.3 Mechanism 229.4 Packing 2310. HGT TYPE SCHEMATIC DIAGRAM, P.C. BOARD PATTERNS ANDPARTS LIST10.1 Power Supply Assembly A (PWR-035) . . . 241O.2 P

6、ower Supply Assembly B (PWR-028) . . . 2410.3 Schematic Diagram 25RadioFans.CN 收音机爱 好者资料库1. SPECIFICATIONSMotor and TurntableDrive System:Motor:Turntab!e Platter:Speeds:Speed Control Range:Wow and Flutter:S ignal-to-Noise Ratio :TonearmType:Effective Arm Length:Overhang:Tracking Error:Usablc Cart ri

7、dge Weight :Other FeaturesAuto-return mechanism, Anti-skating force control, Cueing deviceDetachable dust cover, Insulator feet, Plug-in type headshellStrobe light, 40mm-thick particle board cabinetD irect-driveDC servomotor (t6 Pole 24 slot)320mm diam. aluminum alloy die-cast33-ll3 and 45rpm+2%Less

8、 than 0.03% (WRMS)More than 73dB (DlN B)(with Pioneer cartridge model PC-1 35)Static-balance type, S-shaped pipe arm221mmI5.5mm0.525 deg./in , 0.21 deg.lcm+g (min.) to l0g (max.)AC 120V, 50/60H2 (KCT, KUT)AC220240V -, 50/60H2 (HGT)7W440(W) x 1as(H) x 365(D) mm11-5116(W) x s-l l/.16(H) x 1a-3l8(D)9.5

9、kg/201b 15ozPL-51 ElHGT onlyFor Use in UnitedPlease note:Models employ 3 conductor mains leads. Pleaseread the ftllowing instructions carefully beforeconnecttng.WARNING: THIS APPARATUS MUST BEEARTHED.CAUTION 240V: MAINS SUPPLY VOLTAGEIS FACTORY ADJUSTEDAr 240 VOLTS.IMPORTANTThe wires in this mains l

10、ead are coloured tnaccordance with following code:Green-and-yellow: EarthBrown: LiveAs the colours of the wires in the mains lead ofthis apparatus may not cotespond with thecoloured marhings identifying the terminals tnyour plug, proceed as follows.The wire which is coloured green-andyellowmust be c

11、onnected to the terminal in the plugwhich is marked by the letter E or by the safetyearth symbol ! or coloured green or green-and-yellow.The wire tahich is coloured blue must be connected to the terminal which is marked withthe letter N or coloured blue or black.The wire which is coloured brown must

12、 be connected to the terminal which is marhed withthe letter L or coloured brown or red.The power cord should be connected last, mahesure that the Power sutitch is OFF.First insert the female appliance connector of themains cord into the AC inlet, then plug the cordto the wall socket.Be sure the app

13、liance connector is fully insertedinto the AC inlet.Llnplug the set from the wall sochet when it rcnot to be used for an extended perioci of time.FOR YOUR SAFETYL lnsert this plug only into effectiuely earthedthree-pin plug-sctcke t outlet.2. If any doubt exists regarding the earthing,consult a qual

14、ified electrician.i). Extension cords, if used, musl be threecorecorrectly uired-Kingdom and AustraliaM iscellaneousPower Requirements:Power Requirements:Power Consumption:D imensions:Weight:AccessoriesEP adaptorScrewdriverCartridge mounting screwsCartridge mounting nutsCartridge mounting washersOpe

15、rating instructions (KCT, KUT)Operating instructions (HGT) .NOTE:Specifications and design subject to possible modificationwithout notice, due to improuements.Il622I232. PANEL FACILITIES AND OPERATIONSTROBE LIGHTThis light comes on when the platter starts to rotate andit lights stroboscopically.OPER

16、ATION1. Place the record to be played on the platter.2. Set the SPEED select switch to the speed atwhich the record is to be played.3. Set the ARM-ELEVATION lever to the Upr position.4. Remove the stylus cover and release the armclamp.5. Hold the headshell by the finger lift and movethe stylus acros

17、s the record to the track youwant played. The platter will begin to rotate.6. Observe the appropriate strip of strobe calibra-tion dots on the platter edge. If the strobe dotis not stationery, finely adjust the platter speedwith the SPEED ADJ. knob according to.HOW TO FINELY ADJUST THE PLATTERSPEED

18、on page 7.ARM-ELEVATTON LEVER (ARM-ELEVATTON)This lever controls the ascent and descent of tne tonearm.ARM RESTSet the tonearm on its rest when it is not playing records.csClosing the clamp Releasing the clampSPEED ADJUSTMENT KNOB (SPEED ADJ.)Perform fine adjustment of the Speed of a record beingpla

19、yed with this knob, while looking ar the strip of strobecalibration dots on the platter edge.SPEED SELECT SWTTCH (SPEED)Push this switch to set the platter to 45rpm and releasefor 33-.1 13rom.7. Set the ARM-ELEVATION lever to the DOWNv position.The stylus will descend slowly to the recordand play wi

20、ll begin.8. Adjust the volume and tone controls on theamplifier to the preferred levels, and then sitback and enjoy your record.9. After the record has been played, the auto-return mechanism is actuated and the tonearmreturns to the arm rest. At the same time, theplatter stops rotating and the power

21、 to theturntable is tumed off.10. Secure the tonearm to the arm rest with theclamp and attach the stylus cover to protectthe stylus.Releasing the clampPL.s1B3. PART LOCATIONPlate (L)PNW 338Cam assemblyPXr-226Tonearm assemblyPPD 572Cab i netPMM 138PMM 142Plate (R)PNW.339(KCT, KUT)(HGT)-, o- Knob- pAC

22、 016 f f l- ; rArm basePN R.064KnobPAD 025Arm rest assemblyPXA-421dr- rnooPAA-03OIPower transformerPTT 041 (KCT, KUT)PTT-042 (HGT)Power supply assemblyPWR.O27 (KUT)PWR-032 (KCTHeadshell assemblyPXA.693 (KCT. KUT)PXA.676 (HGT)(Black type)D,D motorPXM 058Neon lamp holderPNW.384PWR 035and PWR-028 (HGT)

23、4.8.9.2.Lever C pushes plateproportional to thethe tonearm (Fig. 3).Fig.2A by an amount directlyamount of movement ofLever ClLever BM icroswitch4. MECHANISM OPERATION AND ADJUSTMENT4.1 START OF PERFORMANCE1. The tonearm is moved frorrr the arm rest toabove the turntable.2. Lever A, connected to the

24、tonearm. unlocksIever B, and the microswitch is turned ON(Fig. 1).3. When the microswitch is turned ON, the motoris started and the turntable Lregins to rotate.r t q . I4.2 AUTO-RETURN DETECTION1. When the stylus nears the center shaft, lever Acontacts lever C (Fig. 2).Turntabletl.7.Plate B atop pla

25、te A is moved toward sear Aby the movement of plate A.Ihe front end of plat,e B moves approximately0.1mm when the stylus is advanced 1mmtoward the center shaft by one revolution ofthe record.fhe tooth of gear A has the dimensional clif-ference shown in Fig. .1-a.Plate B is pushed back by this dimens

26、ional dif-ference at a stylus movement of within 1mmper revolution of the record.When the stylus enters the iead-otit groove rnthe record at the end of the performance, itis moved 4mm toward the center shaft by onerevolution of the record.The end of plate B contacts tl-re tooth of searA (Fig. a-b).G

27、ear A and gear B are engaged, and gear B isturned by rotation of the turntable.Lever AF i s . 3F ig. 4-b4.3 AUTO-RETURN OPERATION1. Gear B is rotated by detection of auto-return.2. Lever D moves along the groove of gear B, andthe tone arm is lifted (Fig. 5).Lever A is pushed and the tonearmto the ar

28、m rest by lever D (Fig. 6).F i s . 5is returned_, -i.F i s . 6When gear B has rotated one revolution, leverD is returned to its original position.When lever D has returned to its original posi-tion, lever B is pushed by lever A and themicroswitch is turned OFF (Fig. 7).When the microswitch is tumed

29、OFF, themotor is stopped, and the turntable also stops.PL-51El4.4 ADJUSTMENT4.4.1 Auto-return Detection Position1. Plate B contacts the tooth of gear A, the turn-table is rotated, and the auto-return detector isreset.Plate BFis.8Adjust the adjusting screw so that plate B con-tacts the tooth of gear

30、A when the stylus hasreached a point 62mm from the center shaft. Remove rubber capt ) .2.4.5.6.Lever AM icroswitchAdjusting screwF i s . 7F i s . 94.4.2 M)croswitch ON Timing1. Adjust at the adjusting point shown in Fig.10-bso that lever A and lever B become as shown inFig. 10-a when the tonearm is

31、fastened to thearm rest.2. Adjust the adjusting screw (Fig. 10-c) so thatIever B and the microswitch are positioned asshown in Fig. 10-c when the tonearm isfastened to the arm rest.3. Since this adjustment will adversely effect theauto-return detection position, the auto-return detection position mu

32、st be readiusted.F ig. 1 0-aLever BM icroswitchF ig. 10-c4.4.3 Speed Adlustment1. Set the SPEED ADJ knob on the controlpanel to its mechanical center when adjustingthe speed.2. Adjust the speed with the semi-fixed resistoron the motor control board (Fig. 11).Fiq. 1 1. . -i-;./ ii i, , . i ,/ ,ll t$I

33、 4 s v i r.p.m. ll rsa-J. r.p.m.F is. 1 0-bPL-sss1B/KCT, KIJT5.5.1KCT, KUT typeCABINETEXPLODED VIEWSNOTE:Parts indicated in -_l mark cannot be supplied.Dust cover assemblyPXA-324,.t a.t ScrewPBA-073JIRubber mat assemblVPEA-O3O (KUT)PE4-026 IKCT)Turntable platterPNR-061ScrewPBA-066StopperPNW 41 5RW 3

34、.1x13RubberPEBSpring CPBH I81CasePNW 397StopperPNW.415Plate (R )PNW-339CabinetPMM.138RubberPE B-086Spring BPBH I80CasePNW 397StopperPNW.4I5hN,Q dilb,_,PNW-338 cP, l lil-.e-VRubberPEB 086ScrewPBA.066ScrewPBA.066Spring APBH.179PNW 397Tonearm assemblyPPD-572Headshell assemblvPXA 6935.2 TONEARMKnobNOTE:

35、Parts indicated in F mark cannot be supplieo.Wight assemblyPXA.708Rubber bushPEB-068KnobPAC.O16EV sheet assemUty ,PXA 420 N_.-_e-/E=,-HJ;l8;,capPNW.396| -Arm base) /,/ PNR-O64P.C.Board (PU)PNP-09ONeon lamp -PEL-005 -#. *,ltConnecior (5p)WasierPNB.4O5PM 4x8,lPNW-591ashera PB E-0129-AS adjust unitShaf

36、t AN7 i PLA 719/ -/Fwt f4/,ffi1 $ rr r.u*, 9-EV spring,APT 3x5 R. PBH-514Mask ll :ewzPNN-005 lEV rod ft*. EV rod t* - -Fruw.ssT ltrr Bll,?,Variable rpsistor dPCS-011 I V-lvPush switch ,.or PSG-O01 -jQ9b Ro-d springRod guide I PBH-149PNW.345 ?IlA PXr-253,- -eu s*ep-L.uu.4 PNB-432l*EW1.5ScrewPBA-071PA

37、D.025APTPL-sss1E/CT, KLJT5.3 MECHANISMPower supply assemblyPWR-027 (KUT)PWR.O32 (KCTParts indicated inf_l mark cannot be supplied.Lever unitPXT.25O -Polyethylen WasherReturn signal unitPYY.O12Cam unitPTX-226D. D MotorPXM-058ScrewPSA 3x15MicroswitchKSF-023 (KCT)PSF-OO6 (KUT)InsulatorPEC-044(KUT only)

38、4.26x86xo.25tDPT 3x6Lever guidePNB.428l_EW5WasherPSA 4x8Rubber cushionPEB.O37DPT 3x6Lever assemblyPXA-442_tIIqqrFLputput cord assembly/PDX-002 (KUT) LPDx-oOl (Kcr)f*ffieffiLrr .*,EW3-r6- Polyethylen washert 4.26x86x0.25tW3F-t- PM 2x3P.C. Board holder5.4 PACKINGCartridge mounting partsScrew1 1 . 5 m

39、m 8 1 1 6 5 7Weight assemblyPXA 708Nut871-653Upper padPHC-0495mm KBA 044 Washer1Smm KBA-045 823 642ProtectorPHA 06245 adaptorN93-603Rubber mat assemblyPEA.O3O (KUT)PEA 026 (KCT)ProtectorPHA 061Operating instructlonPR B-082SpacerPHC.O41Screw driverKEX-O02Headshell assemblyPXA-693Vinyl bagH56 603Flap

40、stopperKN K.403Packing casePHG 241 (KUT)PHG 242 (KCT)6. NOMENCLATURE OF SCREWS.WASHERS AND NUTSThe following symbols stand for screws, washers and nuts as shownSvmbol i-lR T I1BTPTPan head tapping screwBrazier head tapping screwBinding head tapping screwDelta tightpan head tapping screwDPTAPTAluminu

41、mpan head tapping screw; ;u *oo,nOCTPMCMOCMscrewPan head machine screwCountersunk head machinescrewOval countersunk headmach ine screwTruss head machine screwBinding head machine screwPan head screw with springlock washer/t:-|l/L-|,ft-l:TMBMPSAPSBPan head screw with springlock washer and flat washer

42、PSFPan head screw with f lat washerEXAMPLEPL-s1ASvmbol I.*fDescriptionE type washerF lat washerSpring lock washerWasher faced nulHexagon socket headless setscrewOval countersunk head woodscrewl o mrIa)5LlSFOTWHSocwITWInternal toothed lock washerOuternal toothed lock washer rSlotled set screw (Cone p

43、oint) C1Slotted set screw (Flat point) e flCWRWRound head wood screwCSTWlength in mm ( 1 )diameter in mm ( d )Nr =- t,l,i._ r -lfh- -r-al*, -l Ir - JY / rF W . 9 d x 1 tI I- thickness in mm ( r )| - diameter in mm ( r,1 ) Symbol1 3ac t 20v50/60H zPXMS8, No+BPXM-(F8, No.Er -:,IIISymbo|ctc2qlqR1R2old2

44、t rt Nolr.criptionrcL-Ol8 C.idnicCEA 331P 50 El*trolythCEA lOlP 25 Elct.olyticCKDYF l03Z 50 C.rmicRS2P l23J M.tal oxid.RO4PS 332J C.rbon lilm2s?O?34 TEn.ktor2SC945P or K Tr.n.irtor0.033 25oV330 50V100 25V0.0t 50vr 2k all3.3k ylw2SC94576 D 2 3 4 . & iDl FCX-Olo02 wz-192(RD18EPN$001Bridge rectifiersZe

45、ner diodeHo3t tinkFuts (50OnAlFu. holdcrPEK.q4K9r-0(F7. KCT type SCHEMAIIC DIAGRAM, P.C. BOARDPATTERN AND PARTS LIST.7.1 POWER SUPPLY ASSEMBLYT 12ovsw 2 (33% )Parts List of Power Supply Assembly (PWR-(X!2NEONBRN1 4r-)7.2 SCHEMATIC DIAGRAMNOTICE: The component parts of this motor (PXM-058), shown in

46、below schematic diagram,470pHD l a - D 3 l N 3 4 AD4a-D6 lSl555D 7 K B - 3 (It - r Cjcv+-t6 .9EOrO_-:O28 2 K 2 0 KR 9 V R 20,47/25 6BK ZOKtr)CJIr:srtr)(Ja?lr)cvF-+l l t 2 1 3A N 6 2 0654Or S+: -.llR E S I S T C R S ,t N O H M t / 4 WC APAC I I O R ;l N p F U N L T S St5o/n TOLERANCE UNLESS 0IHERWtSE

47、 NOTED k ; kn M ; M nSWIICHES ,SW I POW ER OIS W 2 S P E E D S EO I H E R W I S E N O I E D p i p FLow schemat ic d iagram , can no t be suppl ied( 4 5 )6 8 K20K0 1 r u ! 3 l N 3 4 A o r l l ( 3 4 AD 4 - 0 6 l S l 5 5 5 V M x 3D 7 K B - 3 6 9R 8POWER SUPPLYPWR - 032ol : ZSDZJ4Q 2 : 2 s c g 4 5PL-51

48、A/KGTswli.-sfooc!cvoOAssyIL Ir 8v33V5 0 0 m APCX-010wz t92R D I S EVt20D ID 20rX 3IILtr)rooo().;(lY(l- iNEE-2ND2ND8R N4 nS W I I C H E S S W I P O W E R O N - O F FS W 2 S P E E D S EL EC I O R33 12, - 4582 K zOKa70pHlr)C!Oo0 ,01/50too/ 25Q2 lg.6vc2 1.3 * (t 4wl- -r330/50AC I2OV50,60 H z1 68.8. 1KUT

49、 type SCHEMATIC DIAGRAM, P.C. BOARD PATTERNSCHEMATIC DIAGRAMNOTICE: the component parts of this motor (PXM-058), shown in below schematic diagram,a70pHD l r u D 3 l N 3 4 AD 4 - 0 6 l S l 5 5 5 D 7 K B - 3 6R i S I S T O R S :I N C H M I / 4 W t 5 O / O T O - E R A N C E U N LE S S OT H E R WIS E N

50、OT E DC APAC I I O R :l N p F U N L E S S O I H E R W I S E N 0 I E D p i p FS W I I C H E S ,SWI POWER ONS W 2 S P E E D S E Lepo|r)_-Yo3R 8 V R I8 2 1 ( 2 0 KR 9 V R z0,47/25 6BK ZOK9 1 0 i l t 2 1 3 1 4 r 5 1 6A N 6 2 O87654321r+3 r+3 -,llk ; k o M ; M oPATTERN AND PARTS LIST.schematic diagram, c