Pioneer PL-100, Service Manual

Page 1: ... EefticecUlanual STEREOTURNTABLE FL lcIcI PL IcIc X DrrroruEErl ...

Page 2: ...ypes please referto the additionalservice manuat CONTENTS A 1 S P E C F C A T O N S 2 PANEL FACILITIES 3 DISASSEMBLY 3 1 Panel and Base Plate 3 2 Arm Base andSub Panel 4 MECHANISM DESCRIPTION 5 ADJUSTMENT 5 1 Auto returnAdjustment 5 2 F G Motor Adiustment 5 3 Arm elevationAdjustment 6 TROUBLESHOOTING 6 1 Auto returnDoesnot Work 6 2 Returnis Fast Returnat lmm Pitch 7 PRECAUTIONS FOR REASSEMBLY 7 1 ...

Page 3: ...platter The speedof platterwill increase whenthe knob is turned to the left in the directionof it will de crease when turned to the right in the directionof PL 1 clcl Miscellaneous Power Bequirements WE WB WP models AC Z2O 24OV 5O 6OHz P o w e r C o n s u m p t i o n 4 W D i m e n s i o n s 4 2 O W x 9 6 H x 3 6 b D l m m 16 t l2 Wl x 3 13 16 H x 14 3l8 Dlin Weight 5 2kg 11 tb 8 oz PC 1 10 l I Spe...

Page 4: ...enter raisethe panela little 3 Disconnect the circuit board connector 2 Pin Power ass y 2 Pin connector case and I Damper ruuber f Ftoat rpring p BLK e Insutator case CI I o t l I I 4 v Y c D R u I o g v a f u I o J U B rlort rpring P VLT G fl o panelandbaseplate Floatspring GRE Floatspring vLT Remove the 4 Fig 3 1 ...

Page 5: ...E AND SUB PANEL 1 Undo the 5 screws O securingthe arm base 2 Undo the 2 screws O securingthe sub panel 3 Undo the 3 screws O securingthe center shaft Tonearm ass y A at Fig 3 2 Remove the arm base andsub panel O 6 t 1 e J 1 ...

Page 6: ...by pin A connected to this PU plate resulting in lever B being un locked Fig 3 3 At the same time that lever B is unlocked the microswitch is turned on power on and the motor commencesto rotate Fig 3 PU plate PinB Fig 4 3 Startof play AUTO RETURN DETECTION l When the stylus nears the center shaft pin B contacts plate A Fig A q 2 Plate A pushes plate C by an amount direcily proportional to the amou...

Page 7: ...the turntable AUTO RETURN 1 Gear A and B are engagedeach other by the auto return detector and gear A consequently is turned in the counter clockwise direction 2 Plate B is then shifted acrosstowards the tone arm due to the groove in the underneath of gear A 3 The edge of plate B pushes against lever C to force the arm elevation upwards 4 Plate B continues to shift acrossto push against pin B on t...

Page 8: ...above adjustment procedure has been completed check that the tonearm returns auto matically asdesigned 5 2 F G MOTOR ADJUSTMENT 1 Twn the power on and start the turntable plat ter rotating 2 Turn the speedadjustment knob around to the mechanically center position 3 Adjust VR2 and VRB in the motor assembly so that the stroboscope appearsto be stationary Again this adjustment is performed from below...

Page 9: ...e bend the plate C Q so that dimension A is 0 5mm or larger GearA 0 5mm Fig 1 6 Incomplete plateD andplateC START Change in starting position adjust ment Plate D does not follow the plate C After starting incomplete reset of the plate C SeeO Too much greasebetween the plate C and the gearA The curved section of the plate C is deformed Inner diameter of the plate D bear ing is small The inner areas...

Page 10: ...d grooved section rear side of the cam and lock plate sliding section in order to minimize wear on the sliding section and the burden on the mechanism o Driving PlateAssembly Decreasethe burden on the mechanism and the wear on the sliding section sides top and bottom surfaces sliding sectionof auto top sidessurface mechanism sliding sectionof auto stop mechanism top andside sliding sectionof auto ...

Page 11: ...n shaft attachment nut Installation direction is asshown in figure 7 7 Note that there is a difference be tween auto retum and fully automatic models PL 1 clcl Fig 7 7 PU plateattachment o Anti Skating Knob Attachment When installing the AS knob put the AS knob rib againstthe AS knob revolution control stopper attached to the arm base and affix with the screw As the stopper may break be sureto pre...

Page 12: ...spring washer AS knob washer Arm rest assembly EV sheetassembly EV spring EV leverunit EV cam EV cam spring EV plate spring A EV platespring B unit PU plate A Set screw PU plate B PU plate spring Power transformer Connector assembly AC power cord WE AC power cord WB AC power cord WP Strain relief 46 PDE 044 47 PNV 034 48 PXB 155 49 PNX 062 50 PBH 264 51 PBH 265 52 PEB 163 53 PBA 099 54 PXA 841 55 ...

Page 13: ... a 0 Y N t 56 66 I L q i ...

Page 14: ...PL 1 clcl Y a j l f a4 l I lK I V I 74 28 25 75 26 a _l i6 y l Tr 7 i l3317 iii 6 cl t l z s l i 9 a z ll t l k o 77 75 64 g ue H t l 53 l ce g un o 7 o A e 9 d q 5 ...

Page 15: ... 8 PBH 224 9 10 PMK26PlOOFMC Sub panelunit E type washer Switch lever Plate Leverunit Operation lever assembly Start plate Start plate spring EV cam Screw 11 PNX 035 12 PBH 225 13 PNX O36 14 PYY 058 15 PSF Oog 16 PDE 079 17 PBA 103 18 YE15 5 Lock plate Lock plate spring Cam Return signalunit Microswitch Connector assembly Screw E type washer PL 1 clc ...

Page 16: ... metal film resisfors 5 62ha 562 x 10t 5621 RN SR tr Dtr r o The A mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation 9 1 PARTSLIST PowerSupplyAssembly MotorAssembly PYY 071 Part No Symbol Dccription Part No Symbol Description 2SC1959 Y 01 PCX O1o D1 wz 120 D2 cEA 102M25L C2 CKDYF 10325...

Page 17: ... f E I j L i t F r c 9 n O Y o c 9 q 4 9 E F E o E i 9 5 b o o 0 6 8 v t s 5 X F o erl E Z F P a s N a i i 6 J O F _ 9 i u E H E x E i i B i 5 d s a c L O i o c 9 p I L p E U 9 9 E g E E f l n 4 9 9 P o l j n E 2 c t d r t z c l o 5 H o z l O J U U z t n 6 o o r u o i E u I o u 9 2 SCHEMATIC DIAGRAM _ r H I K l i t X N d i l o o 9 5 l Dx O 0_ i I I t o I F I t l o r o J ro_ I t s C o r o F I F O r...

Page 18: ... f E I j L i t F r c 9 n O Y o c 9 q 4 9 E F E o E i 9 5 b o o 0 6 8 v t s 5 X F o erl E Z F P a s N a i i 6 J O F _ 9 i u E H E x E i i B i 5 d s a c L O i o c 9 p I L p E U 9 9 E g E E f l n 4 9 9 P o l j n E 2 c t d r t z c l o 5 H o z l O J U U z t n 6 o o r u o i E u I o u 9 2 SCHEMATIC DIAGRAM _ r H I K l i t X N d i l o o 9 5 l Dx O 0_ i I I t o I F I t l o r o J ro_ I t s C o r o F I F O r...

Page 19: ...f 9 3 P C BOARDSCONNECTIONDIAGRAM MOTORAtr y PgryE_lMlsFof r 4ER AC 220 240V 50 60Hz s1 POWER R E D B R N MOTORP C B As y I R E D I I i R E D 22o 24ovi I L _ _ _ _ _ _ _ _ _ _ _ J POWER SUPPLY Asc y ...

Page 20: ...93 603 L PXA 841 9 PRB 162 PRD O54 Side protector L Side protector R Packingcase Turntable platter packing Screw Viny bag 45 adaptor Weight assembly Operating instructions Operatinginstructions WE French Germanl 3 PHG416 9 PRB 167 PRD O55 Packing case Operatinginstructions Operatinginstructions WE French German PL 1 clcl s d fVr cd 1 q l It ...

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