Pioneer-PL120-tt-sm电路图 维修手册.pdf

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1、(DrrlrDNEEFt ffiffiBffinmaE ORDER NO. ART -713-O STEREO TURNTABLE PLEE PL-l PCI MODE LPL.ICOMES IN SIX VERSIONS DISTINGUISI-IED AS FOLLOWS: MODEL pL-12g(which is minor change in design from PL2) COMES lN FOUR VERSIONS DISTINGUISHED AS FOLLOWS: TyPe Voltage Remarks KUT 120V only U.S.A. model (Without

2、 cartridge) KCT 120V onlY Canada model (Without cartridgel 1wE) 220V -240V Europe model WB220V -240V United kingdom model WP220v -240V Oceania model H1 1 OV-1 2OV l22OV -240V (Switchable) General export model Type Vo ltage Remarks (*) 220V -240V Europe model WB220v -240v Uiited kingdom model WP220V

3、-240V Oceania model R1 1 OV-1 2OV l22OV -24OV (SwitchablelGeneral export model I I a This is the seruice manual for model PL-2/KUT. For servicing of the other types, please refer to the additional service manual. Ce nranuel clinstruction se refdre au mode de r6glage, en frangais. Este manual de serv

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12、6 I !. OJ q, o () qJ +t o, o o !i ct k q) o. I C) G ctt (u Ial o c) o tr al (, 6 !k o (u - o .n a6 0) fa (l EE t r ( ) - a! L c r F q , F O r-l o a 0) q q, o tn d o. G b0 ta o) o $q) a q) H o C) tr uo L fq (u c) = o o o (u o q) d - A O ) st ho? f f i t sb e 6 5. PRECAUTIONS FOR REA,SSEMBLY Follow th

13、ese directions and precautions when reassembling a unit after completing repairs. Be sure to lubricate as required, make no mistakes when attaching parts, and avoid all other careless mistakes that may be the cause of trouble later on. 5.1 AREAS THAT REOUIRE LUBRICATION NOTE: Types of lubricants and

14、 areas where they are used are Iisted in table 1. Opening Table 1 Type of OilAreas used Silicon Oil #100000 (G EM-002) raising shaft GYA.OOSall other areas Lubrication points are specified for oils other than GYA-008. Never use a different type of oil. o Cam Section Apply oil to the heart-shaped gro

15、oved section (rear side of the carn) and lock plate sliding section in order to minimize wear on the sliding section and the burden on the mechanism. o Driving Plate Assembly Decrease the burden on the mechanism and the wear on the sliding section. Sides, top, and bottom surfaces (sliding section of

16、 auto-stop Sides surface mechanism) (sliding section of auto-stop mechanism) Top and side (sliding section of autotop mechanism) EV cam side surface (sliding section of elevation cam) Fig. 5-1 Driving panel assembly section . Switch Locker Section Apply oil to the switch locker (opening) and sub-pan

17、el base sliding section to decrease the burden on the mechanism. When applying oil to the opening (shaft hole), do not apply any oil 2-Bmm from the bottom surface. If oil is applied 2-Bmm within the bottom surface, it may come out ilre bottom and go between the switch lever and strb-panel base causi

18、ng the switch lever to operate ineffectively. Switch locker Fig. 5-2 Switch locker section o EV Lever Unit Section Apply oil to the sliding section of leaf spring (A) and EV lever unit to decrease the burden on the mechanism. Leaf spring (A) sliding section EV lever unit EV lever unit ry slidingsect

19、ion I Arm base Fig. 5-3 EV lever unit section . Elevation Cam Section Apply oil to the elevation cam and sliding sec- tion of the raising shaft to decrease the burden when operated. Fig. 5-4 Elevation cam section . EV Sheet Section Apply oil to the raising shaft and sliding section of the bearing to

20、 assure stability in the elevation lowering speed. I C( Elevation cam ? 5 E o bE E EA F : N o d = 686 J lo (l = SsBsT J X J F HU8=E r l g I g E a o - o !E a !l ol e l = l E BE ER+ sE;EEsE .E HTT,:ES t i . = _ _ , E HEs.i Et i E $ E;T E E ;!: Ei;? t : iEis= 3 E +:E: H 3 q ?.HEE-e of r EE lsE 3:i H E

21、et g 9 EE ig.= * 3 3 : - a !3r E ssEsF oD c, s E ; C c o . . o q , ; t ! S E o g 6 6 - c - c : Y l i 9 3 t: ; J J t n . n () = IL o lr) r n r O - O P S$EEH x I x x N z z z o o. a. o. o. o- c o .g g 6 o z a c o 2 e G | F l l r t U l c r o o o o F I- F.F F e N C i l r l l l l D FFFFF -l :i E ol t . E

22、- = b b g E t3! Eg! =s si;ss ;isE (J = lL o o iisiE HgIIE f f Y I = H . o . o . o - * I t .41 c .9 g E 6 el z l EI . vl v, E ,.2 C (g .c(, o = rF o +, ,2 J vl t (g o- Om ? l? b -l l6=r-tr-fih#l J co E ul (n c,t) E 9 z .r () i L_/ J( e$ K_/ t- D 11. ADJUSTMENTS 1 1.1 AUTO-RETURN ADJUSTMENT 1. Trrn th

23、e auto return adjustment screw full around counter-clockwise. 2. When the auto return adjustment screw is turn- ed back a little at a time clockwise, the tone- arm witl commence to return to the outer circumference. 3. Stop turning the adjustment screw once the stylus tip is 33mm away from the cente

24、r shaft. 4. Once the above adjustment procedure has been completed, check that the tonearm returns automaticdly as designed. 11,2 ARM.E LEVATION ADJUSTMENT To proceed with the elevation sheet height adjustment, insert the hexagonal wrench (for Smrir) into the hole at the front of the EV sheet and ro

25、tate it clockwise to reduce the height and counterclockwiqe to increase the height. The height of the stylus tip from the record surface is,S+2mm. .&1.3 MOTOR ADJUSTMENT 1. Trrn the power on and start the turntable platter rotating. Trrn the speed adjustment knob around to the mechanically center po

26、sition. Adjust VR1 and VR2 in the motor assembly so that the stroboscope appeaxs to be station- ary. Again this adjustment is performed from beIow. Adjust VR2 for 33 rpm speed, and VR1 for 45 rpm. 5. Always adjust at 33rPm. 2. 3. Fig. 11-1 Auto-return adjustment Elevation sheet f ig. f f -2 Arm-elevation adiustment Fig. 11-3 Motor adjustment 4. Screwd river VR2 33rpm 19