Pioneer-PL550-tt-sm电路图 维修手册.pdf

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1、CDrqoNeerr RadioFans.CN 收音机爱 好者资料库 PL.5iEicl l I I t I I r MODEL PL-550 COMES IN THREE VERSIONS DISTINGUISHED AS FOLLOWS: This seruice manual is applicable to the PL-550/5, ST type. When repairing the PL-550/HGT type please see the manual on pages 43-48. TypeVoltage Remarks HGT22OY and 240V (Switcha

2、blel SEMKO (Sweden), NEMKO (Norway), DEMKO (Denmark) and El (Finland) approved model without phono cartridge. S1 10V, 120V, 22OV and 240V (Switchablel General export model with phono cartridge ST11OV, 120V,22OV and 240V (Switchable) General export model without phono cartridge CONTENTS 1. SPECTFTCAT

3、|ONS. 4 2. PANEL FACILITIES . . 5 3. PARTS LOCATIONS . . 7 4. EXPLODED VIEW 11 5. NOMENCLATURE OF SCREW, WASHERS AND NUT . 16 6. SCHEMATIC DIAGRAMS, P.C. BOARD PATTERNS AND PARTS LIST 6.1 Schematic Diagram 17 6.2 Drive Control Assembly (PWG-008) . . . 19 6.3 Power Supply Assembly (PWR-822) 22 6.4 Po

4、sitional Detector Assembly (PWX-006) 24 7. PACKING 25 8. OPERATING PRINCIPLES CIRCUIT DESCRIPTION 8.1 Block Diagram 27 8.2 Motor Operation 29 8.3 Waveforms 36 9. TROUBLE SHOOTING GUIDE 9.1 Motor Does Not Rotate 37 9.2 Motor Run-away 38 9.3 Motor Alternates Between Forward And Reverse Rotation 39 9.4

5、 Unstable Rotation Near Rated Speed 39 10. ADJUSTMENT PROCEDURES 40 11. D.D MOTOR EXPLODED VIEW . PL-550 Additional Service Manual Enclosed Herewith PL-550X/ST differs from PL-550at the point of cabinet appearance; it is black cabinet. Except packing case and cabinet all of compo- nents are same as

6、PL-550. J RadioFans.CN 收音机爱 好者资料库 1. SPECIFICATIONS Motor and Turntable Semiconductors Motor. .QuartzPllHall motor lCs. 2 Turntabfe Platter . .324mm diam. aluminum alloy die-cast Transistors g Moment of Inertia . . . 340kg.cm2 (including platter mat) Diodes 1 1 Speeds . . 33-113 and 45rpm Hall eleme

7、nts 3 Speed Control Range . . . . . . !6%o Wow and Flutter Less than O.O2|yo (WRMS) Accessories Signal-to-Noise Ratio More than 70dB (D|N-B) 45rpm Adaptor . . . . . . l Overhang gauge . 1 Rotational Characteristics Screwdriver 1 Build-up Time . . . . . . Within24o rotation at33-1l3rpm Sub weight l S

8、peed Deviation . . . Less than 0.003% Cartridge mounting screws (ST, HGT type) . 6 Speed vs. Load Characteristics. . . . Stable up to 120 grams Cartridge mounting nuts (ST, HGT type) 2 drag load Cartridge mounting washers (ST, HGT type) 2 Speed Drift . . Less than 0.0003% lh at 33-1 l3rpm Operating

9、instructions I _ Less than 0.00004%/degree temp. change at33-1l3rpm Miscellaneous Tonearm Power Requirements . . . . Ac 110-120-22o-240y 5ol60Hz Type . Static-balance type, S-shaped pipe arm Power Consumption . . . 5W Effective Arm Length . . . . 221mm Dimensions 490(W) x 1S5(H) x 390(D)mm overhang

10、. . 15.5mm l9-sl16(W) x7-s116(H) x ls-3ls(D)in. UsableCartridgeWeight . 49 (min.) to 14.59 (max.) Weight ,t2kgl26tb6oz (For cartridge weighs over 9.5g, attach the sub weight) Arm Height Adjust Range t5mm lfLfritrrrs and design subject to possibre modification . without notice, due to improuements. )

11、uDTUnctlons Anti-skating force control Lateral balancer Stylu s pressure d irect-readout counter weigh t Arm height adjusting device Cueing device Headshell stand Strobe light Free stop hinges Insulator feet Furnished Cartridge (S type) Type. .MovingmagnettypePC-550E/ll Replacementstylus. .PN-550E/l

12、l StylusTip .0.3x0.7mildiamond Output Voltage. . . . 3mV (at 1kHz,50mm/s RMS) Tracking Force . 1.0g to 1.8g (proper 1.5g) Frequency Response 10 to 30,000H2 RadioFans.CN 收音机爱 好者资料库 2. PANEL FACILITIES HEADSHELL STAND Convenient stand for storing a spare cartridge. Aligh headshell guide pin with slot

13、of stand and insert. Avoid storing here if the headshell is too large to allow the dust cover to be closed fully. The 45rpm adaptor can also be placed here. 45 RPM ADAPTOR Place on center shaft when playing 45 rpm records (with large center hole). STROBE LTGHT- - - -.-,* Lights to illuminate strobos

14、cope when POWER/ARM ELEVATION lever is set to ON. The stroboscope appears to become stationary when the Quartz LOCK button is set to ON. PLATTER MAT COVER ARM REST -,- -.- -. - - , . -., -.-.1 Supports the tonearm. Gently press tonearm in direction shown by arrow to clamp. Be sure to clamp when not

15、playing records. Cf* - PL-E5cl QUARTZ LOCK BUTTON Quartz PLL system functions when button is depressed to ON. Platter rotation becomes precisely locked to the speed selected by the SPEED buttons. SPEED ADJ. CONTROL Can be used to increase or decrease the speed with respect to the selected rotation.

16、Set Quartz LOCK button to OFF and turn this control toward the + direction to increase speed (maximum 6%) and toward the - direction to decrease speed (maxim um 6ok). 45 RPM SPEED BUTTON Press to play 45 rpm records. 33 RPM SPEED BUTTON Press to play 33-1 13 rpm records. POWER/ARM ELEVATTON LEVER Co

17、mbines power switch and tonearm elevation switch. OFF. ON-UP DOWN Power is cut off. Power is turned on (platter rotates). When moved from DOWN to this posi- tion, the tonearm is raised. Tonearm is gently lowered. o 3. PARTS TOP VIEW LOCATIONS Cabinet PMM-056 Headshell stand PNW.O73 PMM-062 (ST type

18、of PL-550X) Plate PAN-029 Control panel PXT.O98 Knob (ANTI-SKATE) PAA.O14 Headshell assembly PXA.630 BOTTOM VIEW Line voltage selector PSB-001 Power transformer PTT,O14 D.D. motor PXtV-029 PL-E5O Power transformer PTT.O,I4 .a.? Power supply assembly PWR,822 Drive control assembly PWG.OO8 ii , tor I

19、* l ,t* | Neon lamp PE L.OI l 4. EXPLODED VIEW PT4x10 Dust cover PNV-011 Platter mat cover PEC.033 Rubber cushion PNT08 OCM4x10 Platter PNR.O31 Screw PBA-033 l-.- Strobe unit - PXT-I74 Plste (B) PNB.064 Plate PAN.O29 ? e -i? d PSA4x 10 D.D. motor PXM-029 See page 39 Hexagon socket screw M4x25 Neon l

20、amp PEL.Ol T . /Name plate t - . - Bottom plate assombly PXA.133 PART 1 see page 1 1 6 Prax1o Bottom Plate PNW-096 . 6. . Screw Y PBA-037 A-.-Z Scrgt PBA 4 Knob (ANTI-SKATE) PAAO14 Control panel PXTg8 Part 3 see page Plate PAT.O22 Jr Cabinet PMM.O66 PMM.062 (ST type . of PL-550X1 Screw PBA37 . CW3.1

21、 x 13 I -1 . Part 2 see page 12 PXA-237 (S-type) I I .9. g Part 3 se page 13 Screw PBA.O37 Foot aisembly PXA-I 15 g e PT4x16 Terminal KKC-021 # I Strain relief KNK.244 .6 go PT3x6 PT4xl6 PL-s5Cl AA B cc DD 4.1 PART 1NOTE: Parts indicated in green type cannot be supplied. lk $- l. -R U , P.C. Board h

22、older I r 821-0OB P.c. Board holder + KNK.186 V l_ Drive control assembly PWG-008 v v ) Power supply assembly PWR-822 Power transformer PTT.O14 d PSA4x6 Fg U 0 I J-, Rnuou. *rtrion flu eee.oar J ,g I fl *, CJ- rea.ozs -t- e / 6 1 6 ,-.2- Slr;d:;, 4.2 PART 2 NOTE: Parts indicated in green type cannot

23、 be supplied. PXA-237 ln assembly !. Operation button Button unit PAD.OI 1 Knob (SPEED ADJ) PAA.OO9 Spring PBH.O19 Micros,witch KSF-023 I I l PSA3x 1 4 Stel ball Spring PBH.O17 Spring PAD-01 3 (without assemblY) Push switch (Ouarz Lockl PSG-001 PBH-018 Variable resistor PCS.O03 FW4 ffiw, l% M icrosi

24、rr, itc h KSF-023 EW3 -ewa B c D A B c D PL-55Cl 4.3 PART 3NOTE: Parts indicated in green type cannot be supplied. Tonearm assembly PPD-543 llx;.ttn il,il8!B Screw PLA.567 Cartridge mounting screw PBA.9O5 Headshell assembly PXA-630 Weight assembly PXA-580 EV assembly PXA- 165 EV sheet assembly PXA.O

25、86 Arm rest PNW-170? il dr tt v: 3x4 Arm rest assembly pT4x16 PXA-164 N4 PT4xl6 .-, r A *glmlu, iffffiTo -l l Washer 822.650 Nut PBN,OO4 AS lever PNW.071 Spring PBH-023 Plate 1 PXA-088 A g N* Lever PNW-07O Cam unit PNW.070 g (9 Washer EW2 PNB-527 PT4x16 A A B c D D 15 5. NOMENCLATURE OF SCREW, WASHE

26、RS AND NUT The following symbols stand for screws, washers and nuts as shown in exploded view. SymbolDercriptionShape RTBrazier head tapping screw PTPan head tapping screw BTEinding head tapping screw $= CTCountersunk head tapping screw TT a Truss head tapping screw ocr Oval countersunk head tapping

27、 screwF PMPan head machine screw CM Countersunk head machine screwf= ocM Oval countersunk head machine screwCIE TMTruss head machine screw F BMBinding head machine screw PSA Pan head screw with spring lock washer PSB Pan head screw with spring lock washer and f lat washer PSFPan head screw with f la

28、t washer SymbolDscription Shape EWE type washerP D l H FWFlat washer rd SWSpring lock washer v T NNut o F TJ WNWasher faced nut m ITWInternal toothed lock washerA v OTWOuternal toothed lock washer tA?. avJ I I scSlotted set screw (Cone point) e-D SFSlotted set screw (Flat point) eE HS Hexagon socket

29、 headless set screw ocw Oval countersunk head wood screw CWCountersunk head wood screw RWRound head wood screw EXAMPLE Symbol tr ffi TT I -lengthinmm(/) I diameter in mm ( d ) FW90 xl -rT -;-tar ._l | | I thicknessinmm(r) :-i I I diameter in mm (d ) f- J | : Symbol 16 6. 6.1 SCHEMATIC DIAGRAMS, P.C.

30、 BOARD PATTERNS AND SCHEMATIC DIAGRAM DRtvE C0NTRoL ASST PWG-oo8 Q,.0, 2Sci3r2 x 2 l 5 +$ 20v -l t# ON Sroi , lvRnrl0ro(E) I SPEID FINE I-ONTROt sy6be POIER SUPPLY Ass/ PwR-822 l _ _ - _ _- 0,-0, - q-6I1i5V r:-r 2SC3l2xz 250234 os P0l00t C-6-02/s0 6.33v i- #uP 0.2/50 - :ci : 1 a Y Y q I J Y t cr,l-2

31、o0P Rn39K I lVRr 6 6 9 E Rr33 Crs 33/25 -l Rn 3.3K (3Yt) ERNS AND PARTS LIST PL-sscl CAUTION When Handling lC PDl001, Please Observe: IC PD1001 (Qb in the Drive Control Assy PWG-008) is a C-MOS IC of extremely low power consumption and very high input impedance. Unless handled with special care, it

32、could be damaged by static electricity induction. This IC is supplied with a shorting cap (of aluminum foil) attached. When soldering or perform- ing other repair work, always attach this cap as shown below. Remove the cap after the repair has been com- pleted. Also, this type of IC must not be inse

33、rted in a poly- st5lrene package for storage. _l I Miscellaneous Parts List :JWITOHES I Sror: POWER OFF -0N Sror : SPEE0 SiELECT0R 33rpm - 45rprn Sros: QUARTZ LOCK OfF - 0N RISI SIORS ; lN tlHM Z+W t5% T0-ERANCE UNLESS 0THERWISE NOTED K:KSi,I1 :MSL LAPATITt)R5; IN 1lF UNLE:IS CITHERWISE NOTED P :PF

34、r80 ZUV 0s, Qr 2SC945x2 RED lurl t l 5.r0 2 5.?2 l3 5.$ I4 ?0r l5 s23 s s0l 5.r4 l8 s.0t -rI N 0s PA200l ,J.- - - -.| A/ Y d, ii v j ft a( .i b. $. A l r 1 U v ( I t u 9( I I L- - 4 J J . ! 2 3 S t1 BRN PoslTloNAI_ DETECToR ASST Pwx - 006 r0Hc+ VLT rf 8 9 G z S H c - 8l K l0r tr4$ ,l o U PNK ir ) -

35、- l l/ na- l- I aovl 5 Ep* | o Rnr l l T:60 # l 0 L c - |. oRll ? I tb Rur J 1 itr ( 5 JS 5 f1g+ Bl il lL 2 4 . . L a YEL !I_ c1 Tr-l L._d il c0 L Jf1A + WHTr 2 2Lr GRN irll )3/2s I I I hr- I qffi Rr33 Cu 33/25 -lt -l ll 3nd cot L I - aa30,- uO 1 Drive control assembly I Positional detector assembly

36、 I Power supply assembly I Power transformer I S10l Microswitch (Power) I VR101 | Variable resistor 5102 Microswitch Soeed selector 5103 Push switch Ouartz Lock PWG.OOS PWX-006 PWR.822 PTT.OI4 KSF23 KSF-023 PSG-OO1 PEL1 1 PSB-001 PCS-003 4 18 6.2DR IVE CONTRO L ASSEIVIBLY (PWG-OO8) + l t + + l O O 6

37、 0 O J I c l o r o f o d 9L/Ln$) O z 9 I -J t ) + c, o rE uFe hrVX-006 No.4 PwX-006 No.3 PWX-006 No.2 PWX-0O6 No.1 d; Parts List of Drive Control Assembly (PWG-008) SEMICONDUCTORS SymbolDescriptionPart No. u l a2 o3 04 o5 o6 D Tra nsistor Transistor Transistor Transistor tc Diode 2SC1312 H or G 2SC1

38、312 H or G 2SC945 R, O or P 2SC945 R, Q or P PD1001 PA2001 152473 PL-E5ct SymbolDescriptionPart No. R36 R37 R38 R39 R40 Carbon film 33 Carbon film 180 Carbon film 6.8k Carbon f ilm 1.8k Carbon film 10k RDTaPS 330J RD74PS 181J RD74PS 682J RD/rPS 182J RDz4PS 1O3J RESISTORS SymbolDescription Part No. V

39、R1 VR2 R1 R2 R3 R4 R5 R6 a7 R8 R9 R10 Rl1 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 Semi-f ixed Semi-f ixed 15k-B 680-B Carbon film 10k Carbon film 180k Carbon film 82k Carbon f ilm 10k Carbon f ilm 180k Carbon film a2k Carbon f ilm 1M Carbon f i

40、lm 1M Carbon film 47k Carbon film 4.7M Carbon f ilm 1.5k Carbon film 56k Carbon film 56k Carbon film 56k Carbon film 56k Carbon film 47k Carbon film 39k Carbon f ilm 1M Carbonfilm 110k Carbonfilm 110k Carbon film 39k Carbon f ilm 9l k Carbon f ilm 10k Carbon film 13k Carbon film 27k Carbon film 75k

41、Carbon film 33k Carbon f ilm 5.6k Carbon f ilm 5.1k Carbon f ilm 5.1k Carbon f ilm 5.1k Carbon f ilm 5.1k Carbon f ilm 4.7 %W Carbon film 33 Carbon film 33 PCP-006 PCP-007 RD74PS 1O3J RDz4PS 184J RD%PS 823J RD/4PS 1O3J RD74PS 184J RD/4PS 823J RDlzaPS 105J RD/4PS 1OsJ RD74PS 473J RD/cPS 475J R DZaPS

42、1 52J RD74PS 563J RD/4PS 563J RD74PS 563J RD%PS 563J RD/rPS 473J RD74PS 393J RDZaPS 105J RD/aPS 114J RDy4PS ,I 14J RD74PS 393J RD%PS 91 3J RDy4PS 1O3J RD,/4PS 133J RD%PS 273J RDY4PS 753J RD%PS 333J RD%PS 562J RD%PS 51 2J RD/4PS 512J RD%PS 512J RD%PS 512J RD%PS 4R7J RD/4PS 33OJ RD%PS 33OJ CAPACITORS

43、SymbolDescriptionPart No. c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 ct4 cl5 c16 c17 cl8 c19 c20 c21 c22 c23 c24 c25 c26 c27 c28 c29 c30 c31 c32 Ef ectrolytic O.22 Mylar 0.1 Mylar 0.068 Ceramic O.O47 Ceramic 33p Ceramic 47p 50V Mylar 0.033 50V Mylar 0.0012 50V Electrolytic 1 50V Electrolytic 1 0 16V

44、 Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic Electrolytic 47 10V 47 10V 22 lov 33 10V o.22 10V 25V 16V 0.33 35V 2.2 16V 1 50V 2.2 16V 0.

45、33 50V o.22 50V 220 6V 33 25V 33 25V 33 25V 47 33 10v 50v 50v 50v 50v E lectrolytic 4.7 25V Electrolytic 1 50V Electrolytic 1 50V Electrolytic 1 50V Ceramic O.O47 50V cEA 470P 10 cEA 470P 10 cEA 220P 10 cEA 330P 10 CEA R22M sONP CEA R22M sONP coMA 104K 50 coMA 683K 50 CKDYF 473250 ccDcH 330J 50 ccDc

46、H 470J 50 coMA 333K 50 coMA 122J 50 CEA OlOM sONP cEA 100P 16 cszA R33M 35 CSZA 2R2M 16 cEA 010P 50 CSZA 2R2M 16 CEA R33M sONP CEA R22M sONP cEA221P 6 cEA 330P 25 cEA 330P 25 cEA 330P 25 cEA 4A7P 25 CEA OlOM sONP CEA OlOM sONP CEA O1OM SONP CKDYF 473250 cEA 470P 25 cEA 330P 16 OTHERS SymbolDescripti

47、on Part No. Crystal Heat sink Angle Connector socket assembly (G) Connector pin (A) Connector pin (E) Connector pin (F) PSS-001 PNS-OO2 PNB-195 PXA-169 PKP08 PKP.O1 1 PKP.O12 e l 6.3 POWER SUppLy ASSEMBLY (pWR-822) Parts List 250234 2SC3.2 25C372 a, L-r ta 6 O r- (f a G cn ) t6 (t Ds WZ-061 R ro 3.3

48、K O c! .,Qb Q1 Gnd a: lr 04I I ) .l ,F .,klk I o G .E E c - E F s E c te Etrt r x/ as L. l J 8. Stroboscope Pulse Circu it 1. The platter has only a single row of stroboscopic markings. Switchover for 45 and 33 rpm is ef- fected by changing the frequency of the pulse to the stroboscopic lamp. 2. Fro

49、m the Frequency Divider Selector I, a fre- quency of either 75Hz (for 45 rpm, representing 1/80 of 6000H2) or 55.5H2 (for 33 rpm, repre- senting 1/108) is obtained and supplied to the transistor that drives the stroboscopic lamp. 9. Reverse Rotation Prevention 1. PXM-029 operates indiscriminately in regard to the direction of rotation. If the platter is tumed slowly in the reverse direction by