RCA-Victor-Co-Inc-RP-205 电路原理图.pdf

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1、VOLUME R-17. MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION rca Victor RP-205 Series Automatic Record Changers (This service material is presented below and continued on the next twenty-one pages) STABILI2 ARM (53 SWITCH ACTUATING LEVER CENTER POST sapphire stylus and is used for playing 78 r.p.

2、m. records only The removable centerpost is for use with 16% or 45 r.p.m. records having the large centerhole. It must be placed over the center spindle with the word FRONT FACING to the FRONT. Care should be exercised in placing and removing centerpost so as to prevent damage smaller spindle. A wel

3、l is provided on the motorboard for storage of the centerpost when not in use. The centerpost may be firmly secured, after placing it in the well, by pushing down until a slight click is heard. It may be necessary to twist slightly while pushing down. To remove centerpost from well, twist slightly u

4、ntil centerpos: pops up To load or remove records, lift and turn the record stabilizer arm off to the side. After loading, the stabilizer arm should be turned to the center so it rests on the stack of records. iigrn-e x iMoving Coil Pickup ARROW POINTS TD Figure SBVariable Reluctance Pickup STYLUS R

5、EPLACEMENT CERAMIC PICKUP #100653 The dual stylus used in this pickup is held in position by a spring clamp. To remove styli simply lift spring clamp and stylus will drop out. When inserting new stylus make certain the wire bridge holding the stylus assembly is engaging the drive arm to the cartridg

6、e element. VARIABLE RELUCTANCE PICKUP MI-12110-A and MI-12112-A The dual stylus assembly is held in position by a C ring retainer. Remove C ring, spring and washer; then push stylus through the cartridge. The two stylii mounted on the stylus assembly are of the clip-in type and may be individually r

7、eplaced. MOVING COIL PICKUPS #102955 and #102956 The styli used in these pickups are not designed for field replacement. 131 VOLUME R-17, MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION RCA Victor Record Changers RP-205 Series, Continued REPLACEMENT PARTS ILL. NO. STOCK NO. DESCRIPTION 16%/45 R.P

8、.M. CENTERPOST 1 79096C CenteipostCenterpost assembly complete I 100499 CapNose capredpolystyrene 100500 CapNose capblackpolystyrene 1A 100501 SpringNose cap spring, wide 2 100498 SpringSlide return spring, l134* long, *4 wide 3 100494 SlideRecord separators actuator slide 4 100497 SleeveActuating l

9、ever mounting sleeve 5 thus supporting all but the bottom record. When the shelves retract the bottom record falls to the turn table. Careless placement or removal of the centerpost on the center spindle may result in bending of the center spindle. The centerpost should be placed on or removed from

10、the center spindle with a STRAIGHT VERTICAL MOTION. The word FRONT should always face to the front of the record changer. SLIDE RETURN SPRING KNIFE ACTUATING ARM (2) RECORO PUSH OFF FINGER PART OF l/4* SPINDLE ) CENTERPOST BODY SHELF ACTUATING ARM (#2) 100499 REO (MOST MODELS 100500 BLACK (RP-I97C-2

11、 ONLY Figure 9Centerpost Operation Figure 1016 2/345 r.p.m. Centerpost 132 VOLUME R-17, MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION RCA Victor Record Changers RP-205 Series, Continued REPLACEMENT PARTS ILL. NO. STOCK NO. DESCRIPTION MOTOR ASSEMBLY Stamped: 936173-1 190 (115 v., 60 cycle) REFE

12、R TO FIG. 11 1 102934 WheelIdler wheel 2 75433 WasherThrust washer 3 102935 RetainerHairpin spring retainer for idler wheel 4 102936 PlateIdler wheel support plate 5 78647 WasherFlat metal washer for idler wheel support RetainerHairpin spring retainer for idler wheel support 6 78646 7 78648 LinkIdle

13、r wheel support link B 78764 SpacerIdler support spacer 9 78374 SpringIdler support spring 10 102937 ScrewTurret pulley guide plate screw GuideGuide for turret pulley mounting plate 11 12 102936 SpacerSpacer for turret pulley mountina auide NutHex. head nut 14 76751 GrommetRubber grommet for motor m

14、ounting 15 76749 SpringSpring pulley for motor shaft 16 76755 SpringDetent spring PlateSpeed pulley mounting plate (less pulleys) Pulley78 RPM pulley 17 IB 102940 102943 19 102942 Pulley45 RPM pulley 20 102941 Pulley33V6 RPM pulley 21 102944 Pulley16 RPM pulley 22 101584 WasherFelt washer for turret

15、 pulleys Retainer“C type retainina rina for sp*d pnlUva 23 7S427 25 ScrewFor speed shift mounting plate Washer Lockwasher 26 102939 LeverSpeed shift lever CollarSpeed shift lever mounting collar (nut) 27 77134 102641 Motor4 speed motor assembly complete115 volts 60 cycles. ILL. NO. STOCK NO. DESCRIP

16、TION MOTOR ASSEMBLY Stamped: 936173-1 107 (115 v., 60 cycle) REFER TO FIG. 12 1 102968 WheelIdler wheel 2 78509 WasherFiber washer 3 78652 WasherC type retaining washer 4 102969 PlateIdler plate assembly 5 78517 LinkIdler Unk 6 78515 WasherMetal washer 7 78512 SpringIdler spring B 102970 ScrewHold d

17、own plate mountina screw (#6-321 9 PlateHold down plate 10 78520 SpringShifter latch spring ArmPulley plate latch arm 11 78518 12 78514 GrommetMotor mounting grommet 13 78519 SpringPulley latch spring WasherSpeed pulley fiber washer 14 78528 15 78525 Pulley33V6 RPM pulley assembly 16 78526 Pullay45

18、RPM pulley assembly 17 78527 hulley78 KPM pulley assembly 18 102972 Pulley16 RPM pulley assembly 19 102974 LeverSpeed shift lever 20 78621 LeverLatch arm lever 21 79967 SleeveSleeve pulley for 60 cycle operation 21 78522 SleeveSleeve pulley for 60 cycle operation RetainerPulley retatner (C ring) 22

19、102973 23 102971 PlateSpeed pulley mounting plate (less pulleys) 102541 Motor4 speed motor assembly complete115 volts60 cycles VOLUME R-17. MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION RCA Victor Record Changers RP-205 Series, Continued REPLACEMENT PARTS ILL. STOCK NO. NO. DESCRIPTION 23 10295

20、9 24 78767 25 . 26 . MOTOR ASSEMBLY Stamped: 971592-1 107 115230 y. 60 cycle 972592-2 107 115/230 v. 50 cycle REFER TO FIGURE 12 Same as listed for motor stamped 936173-1 107 except: SpringSpring sleeve for 50-cycle operation SpringSpring sleeve for 60-cycle operation Motor115v./230v., 60-cycle moto

21、r complete Motor1 l5v./230v., 50-cycle motor Use 102900 Motor and 100989 Spring MOTOR ASSEMBLY Stamped: 971584-1 115 volt, 60 cycle REFER TO FIGURE 13 WheelIdler wheel WasherFlat metal washer for idler wheel mounting RetainerHairpin spring retainer for idler wheel PlateIdler wheel support plate Spri

22、ngIdler wheel tension spring LinkIdler wheel support link WasherFlat metal washer for idler support RetainerHairpin spring retainer for idler wheel mounting plate A support SpacerIdler support spacer GuideGuide for turret pulley mounting plate ScrewTurret pulley mounting plate screw WasherLock washe

23、r Pulley78 RPM turret pulley Pulley45 RPM turret pulley Pulley33 % RPM turret pulley Pulley16% RPM turret pulley WasherFelt washer for turret pulleys RetainerPulley retainer (C ring) for turret pulleys ScrewRound head screw for pulley mounting plate PlateTurret pulley mounting plate LeverSpeed shift

24、 lever SleeveSleeve pulley for motor shaft (16% r.p.m. operation) PulleyMotor shaft pulleyless set screw ScrewSet screw for motor shaft pulley ScrewFlat head screw for motor mounting plate ScrewRound head machine screw for motor mounting plate GrommetRubber grommet for motor mounting plate WasherLoc

25、kwasher for motor mounting plate CollarSpeed shift lever collar (nut) SpringDetent spring PlateMotor mounting plate only MotorMotor assembly complete 115 volt, 60 cycle4 pole, 4 speed 115 volt, 50 cycle conversion parts SleeveSleeve pulley for motor shaft (16% r.p.m. operation)replaces #102960 Pulle

26、yMotor shaft pulleyless setscrew replaces #102959 ResistorFlexible wire-wound resistor, 60 ohms, 10%, 5 watt (used in series with motor winding) -%r wl -ol JSS) - or b 1 u Figure 13Four-Pole Motor Assembly (Stamped 971584-1) REPLACEMENT PARTS ILL. STOCK NO. NO. IB 100994 2 102540 DESCRIPTION Arm Sta

27、bilizer arm assemblycomplete with shaft, pin and gold finish capantique white for all models except RP-205-1 ArmStabilizer arm assembly complete with shaft, pin and gold finish capsatin brassfor RP-205-1 CapAluminum cappolished gold finishfor stabilizer arm Ring ”0 type rubber cushion ring for stabi

28、lizer arm. SupportStabilizer arm support-satin gold finish for all models except RP-205-1 SupportStabilizer arm supportlustrous aluminum finishfor RP-205-1 SpringReturn spring for stabilizer arm. WasherFlat washer for stabilizer arm shaft. (%6* O.D. x .188 l.D. x .0825) Washer “C type retaining wash

29、er. (.406 O.D. x .125 l.D.) TurntableMetal turntableantique white enamel- less support and matfor RP-205-2, RP-2Q5A-1, RP-205A-2 TurntableMetal turntablecharcoal greywith rubber mat, brass center disc and turntable supportfor RP-205-1 and RP-205-3 TurntableMetal turntablecharcoal grey with rubber ma

30、t, brass center disc and turntable supportfor RP-205-4 6A 102536 6B 6C 102537 7 78654 8 78720 9 78660 10 79242A 11 102533 12 74337 13 78659 14 78747 15 78709 16 102530 17 78649 18 35969 19 102528 20 102527 21 102539 SupportTurntable support and pinion complete with brass bearing for turntable Stock

31、No. 102535 Nut#8-32 hex nut for mounting turntable support MatRubber mat for turntable Stock No. 102535 RingRetaining ring for turntable assembly WasherFelt washer for turntable thrust bearing #78660 (2 reqd) BearingThrust bearing for turntable SpindleSpindle assembly WireReject operating wire NutSp

32、eed nut for switch A reject lever assembly 111. #79 PinBearing pin for landing selector levers Ill. #88 ixed, paper D.i mi, 20%, 600 v. (part of click filter)for RP-205-1, RP-205-3 and RP-205-4 100211 ConnectorClosed end connector (small) for power leads ConnectorClosed end connector (large) for pow

33、er leads 101825 30868 Connector2-Contact female connecter for power leads-for Models 7-HF-4Q and 7-HF-5Q 30870 Connector2-Contact male connector for power leads-for Models 7-HF-2 and 7-HF-3 100510 Connector4-Contact male connector for power leadsfor Models 7-HF-4 and 7-HF-5 70392 CordPower cord (6 f

34、t.) with standard two prong plug-for RP-205-3 and RP-205-4 31048 Plug Single-pin plug for audio cable 74192 Plug3-prong plug for audio cable 502068 ResistorFixed, composition, 86 ohm, 10%, V2 watt (part of click filter)for RP-205-1, RP-205-3 and RP-205-4 32827 SwitchVoltage selection switch (117 v./

35、234 v.) for RP-205A-1 and RP-205A-2 1D1741 ClipPickup arm retaining clipfor RP-205-6 only MOUNTING HARDWARE (as supplied with RP-205-3 and RP-205-4) 76894 NutSpring-nut 78840 SpringConical spring 79094 StudMounting stud 78642 WasherFiber washer VOLUME R-17, MOST-OFTEN-NEEDED 1957 RADIO SERVICING INF

36、ORMATION RCA Victor Record Changers RP-205 Series, Continued VOLUME R-17. MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION RCA Victor Record Changers RP-205 Series, Continued REPLACEMENT PARTS DESCRIPTION PICKUP & ARM ASSEMBLIES For: RP-205-2 RP-205-6 RP-205A-1 RP-205A-2 AimPickup aim shell only,

37、with counterbalance spring retaineraluminumantique white EmblemTrademark emblemblack over polished brassfor RP-205-2 MonogramRCA trademark monogramfor RP-205A-1 and RP-20SA-2 LiftPickup arm lilt, aluminumpolished gold finish PickupCeramic pickup with dual stylus StylusDual stylus assembly with two s

38、ynthetic sapphire stylii ScrewPickup mounting screw #4-40 fillister head description CablePickup shielded cable complete with terminals NutSpeed nut to hold cable (2 reqd) PivotBearing for pivot shaft ShaftPivot shaft SpringSpring for height adjustment screw (6 turns) ScrewHex. hd. #6*32 height adju

39、stment screw SpringCounterbalance spring BracketMounting bracket for pickup arm SpringLanding adjustment screw spring (4 turns) CollarPickup arm mounting collarless screw Screw#10-32 set screw for pickup arm collar NutSplit nut for pickup arm landing adjustment WasherFlat metal washer, bearing for l

40、anding adjustment nut (2 reqd) ClipPickup arm retaining clipfor RP-205-6 only 138 VOLUME R-17, MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION RCA Victor Record Changers RP-205 Series, Continued REPLACEMENT PARTS PICKUP & ARM ASSEMBLIES For: RP-205-1 RP-205-3 (M3-12807-A) RP-205-4 (MI-12820-B) Ar

41、mPickup arm shell oulyless detachable pickup housingwith counterbalance spring retainer charcoal graytor RP-205-1 ArmPickup arm shell oulyless detachable pickup housingwith counterbalance spring retainercharcoal graytor RP-205-3 ArmPickup arm shell onlyless detachable pickup housingwith .counterbala

42、nce spring retainerantique whitetor RP-205-4 Screw#6-32 pickup head retaining thumbscrew -for RP-205-1 Screw#6-32 z Vfe* lg. pickup head retaining setscrew for RP-205-3 and RP-205-4 Connector2 contact female connectorpickup arm to pickup headfor RP-205-1 HousingPickup head housingcharcoal gray with

43、lift (less pickup a emblem)for RP-205-1 HousingPickup head housingcharcoal gray for RP-205-3 HousingPickup head housingantique white- tor RP-205-4 EmblemTrademark emblemfor RP-205-1 MonogramTrademark monogramfor RP-205-4 EscutcheonStylus indicator escutcheonfor RP- 205-3 CoverOrnamental cover for pi

44、ckup headfor RP-205-3 Connector2-contact male connector for pickup (less wire a terminals)for RP-205-1 RingConnector retaining ringfor RP-205-1 Decal comaniaMG decalcomania for RP-208-1 Decalcomania78 RPM decalcomaniafor RP- 205-1 PlateCounterbalance plate for 3-mil pickup head-for RP-205-1 PickupPi

45、ckup for 45-33-16 with 1-mil diamond stylusfor RP-205-1 PickupPickup for 78 with 3-mil synthetic sapphire stylusfor RP-205-1 PickupReluctance pickup complete with 1-mil diamond a 3-mil synthetic sapphire sty hi, mounting screws a knobfor RP-205-3 PickupReluctance pickup complete with 1-mil a 3-mil s

46、ynthetic sapphire sty hi, mounting screws a knob-for RP-205-3 DESCRIPTION PickupCeramic pickup with dual synthetic sapphire stylusfor RP-205-4 StylusStylus assembly for MI-12110-A pickup- complete with 1-mil diamond and 3-mil synthetic sapphire clip-in stylii StylusStylus assembly for MI-12112-A pic

47、kup- complete with 1-mil and 3-mil synthetic sapphire clip-in stylii StylusClip in 3-mil synthetic sapphire stylus for MI-12U0-A a MI-12112-A pickups StylusClip-in 1-mil diamond stylus for MI- 12110-A pickup StylusClip-inr 1-mil synthetic sapphire stylus for MI-12112-A pickup StylusDual synthetic sa

48、pphire stylusfor RP- 205-4 SpringTension spring for mounting of MI- 12111-A and MI-12113-A stylus assemblies WasherFlat metal washer for mounting of MI-12111-A and MI-12113-A stylus assemblies WasherC washer for mounting of MI-12111-A and MI-12113-A siylus assemblies Screw#4-40 x hi. hd. pickup moun

49、ting screw (2 reqd)for RP-205-1 Screw #4-40 z hi. hd. pickup mounting screw (2 reqd)for RP-205-3 Screw#4-40 x 3/i& hi. hd. pickup mounting screw (2 reqd)for RP-205-4 CablePickup shielded cable complete with ground terminalfor RP-205-1 CablePickup shielded cable with terminals for RP-205-3 CablePickup shielded cable with terminals for RP-205-4 KnobStylus selector knobfor RP-205-3 NutSpeednut, retainer for picku