RCA-Victor-Co-Inc-331 电路原理图.pdf

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1、O N_ 0 z -n 73 O O z O m 11z TO ADIUSTRISE AND SWING OF TONE ARM -WITH MANUAL INDEX LEVER IN12 POSITION AND ROLLER ON MAIN LEVER A ENGAGED IN CAM AT HALF CYCLE POSITION AS SHOWN, AND SWITCH LEVER B ISAGAINST STOP SCREW C, ADJUST EYEBOLT D SO NEEDLE POINT (ORANGE SHANK) ISII/iK + 1/32 - .000 ABOVE TU

2、RNTABLE FELT.AT THE SAME TIME ADJUST SCREW C SO THAT NEEDLE LANDS AT A RADIUS OF 513/16 A-1/16 - 000 FROM CENTER OF TURNTABLESPINDLE. THIS ADJUSTMENT CAN BE FACILITATED BY USING7 TWELVE -INCH RECORDS (NOT WARPED) WHICH MEASURES 11/i6 TOTAL, AND ADJUSTING RISE TO 3/8 1013/32 ABOVE RIM OF TOP RECORD,

3、LANDING RADIUS 513/16 + 1/16 - .000. ADJUST SCREW SO EJECTOR PIN IS DIRECTLY ABOVE SPINDLE. ADJUST EJECTOR PIN IN LINE WITH SPINDLE. (WIER RECAST COVER REMOVED) IF ROLLER FAILS TO ROLL BACK DURING AUTOMATIC , CYCLE. ADJUST SCREW UP- WARD TO PROVIDE A GREATER INCLINE DURING THE CYCLE. DO NOT ADJUST S

4、O HIGH AS 11 TO CAUSE EJECTOR TIP TO FAIL TO TOUCH TOP OF TURN- TABLE FELT AT HIGHEST POINT. ADJUST TURNTABLE HEIGHT BY INSERTING PROPER NUMBER OF THRUST WASHERS. STOP PINTRIP PAWL ADJUST FOR RECORD CONTACT DISTANCE. ADJUST NEEDLE HEIGHT BY MEANS OF TRIP ROD UNTIL NEEDLE POINT OF ORANGE SHANK NEEDLE

5、 IS 146 01 INCH BELOW TOP SURFACE OF RUB- BER PICKUP REST. ADJUST SCREW UNTIL FRICTION WILL JUST FORCE FINGER TO MOVE TRIP PAWL. (MAHE THIS ADJUSTMENT WITH COVER REMOVED) TO ADJUST MANUAL INDEX FINGER, PLACE MANUAL INDEX LEVER IN PO- SITION SHOWN, (MANUAL)SET MANUAL INDEX FINGER TO FORCE TRIP PAWL A

6、GAINST STOP PIN; TIGHTEN SCREW FIRMLY. ADJUST AUTOMATIC SWITCH AS FOLLOWS, PLACE MANUAL INDEX LEVER IN PO- SITION SHOWN AND WITH SWITCH IN TRIPPED POSITION, ADJUST SWITCH UNTIL CONTACT POINTS ARE OPENED 020 ,0 INCH AS INDICATED. (MAKE no ADJUSTMENT WITH TURNTABLE MOO Automatic Record Changer Adjustm

7、ents 收音机爱 好者资料库 RadioFans.CN PAGE 57 AUTOMATIC RECORD CHANGER REPLACEMENT PARTS Insist on genuine factory tested parts, which are readily identified and may be purchased From authorized dealers Stock No. DESCRIPTION Stock No. DESCRIPTION MODEL 331 AUTOMATIC RECORD CHANGER EJECT ARM ASSEMBLIES MODEL

8、341 then set the Speed Shifter for the speed (78 or 33M 6810Lever -Main spring leverR. P. M.) corresponding to the records on the turntable. 6846Lever -Main lever and link assembly NOTE-The speed shifter should not be moved in - 7710Cover -Metal cover for trip lever and friction finger as- semblies

9、ward (from the 78 to the 3334 R. P. M. position) while the turntable is at rest. MODELS 380 30 Cycle -115 Watts; 40 Cycle -125 Watts; 50 Cycle -115 Watts; 60 Cycle -120 Watts Number and Types of Radiotrons .2 RCA -58, 1 RCA -2A7, 1 RCA -55, 1 RCA -56, 1 RCA -53, 1 RCA-80-Total 7 Undistorted Output5

10、Watts Frequency Range 540 K. C. to 1500 K. C. and 1400 K. C. to 2800 K. C. 111 -Location of Line -Up Capacitor Screws RADIOTRON SOCKET VOLTAGES 120 Volt, A. C.Line-Volume Control at Maximum Radiotron No. Cathode to Control Grid, Volts Cathode to Screen Grid. Volt* Cathode to Plate. Volts Plate Curre

11、nt, M. A. Heater Volta RCA -58 R. F.4.0 1002456.0 2.4 *RCA.2A7 Osc. Det.4.0 1002455.0 2.4 _ RCA.58 I. F.4.0 1002456.0 2.4 RCA -55 2nd Det. A. V. C.6.0- 1004.0 2.4 RCA -56 Driver A F. 13.0- 2356.3 2.4 RCA -53 Output 4.5- 29012.0 2.4 RCA -80 Rectifier600 R. M. S. Plate to Plate 88.0 5.0 Voltages and c

12、urrent apply to detector Portion of tul,e. RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. C 1.541,0. Li d C3 5-S0CSR EAMOL 115550,3-30RCA 55 I Cdit54.0. =M. fr4, ILL SADUSOS To C 055S Dori MAL 550. P1 54 .0Art. DIAL 1-4041.0 CM TMMIq 0 V t.1., RAO liC C eeoee CO -SO . 4.

13、4. C16 6S0 03C:1113oar., 60.335 Moles.RCA $.0 7 ea MID. C1. 61 MI C5 TM, in t- CIS nC -SO mrigrWO, 6Vo. o 6.7 500+ r. APIS, RCA 50 3 c t3 C St051 0-70Cll.20, 051.15 Y.C.0.15 CS.0t0ARM 051013 novo, 300RCA 55 M10.two.RCA 50 I,110. i IC Si I.ttooruro.i it. I 141.g, li PIMA, IA - Co I 50. 1.19 150054 C2

14、0 0.1 A110. Ct0 0.5400. C 3. 6 411 TL 0.7 0300000 /00 0 R. 000+ 0 O O 5 r (611- 8 71, C8 Z NEI 1.1,Z a 9Z 15 I29 So 3Z fel AN I(.0 PAGE 57 8- 5 330 8, 331 BLACK MAGNETIC PICKUP BLACK MODELS WITHOUT JUMPER WILL HAVE THIS TERMINAL OMITTED INPUT TRANSFORMER PACK PHONOGRAPH MOTOR 0ooocoo4, MOTOR SWITCH

15、BLUE YELLOW -SPLICE RED LOUD SPEAKER MODELS 330 & 331 SEE INDEX FOR SERVICE DATA ON AUTOMATIC RECORD CHANGER RECEIVER BLACK & RED RED YELLOW BLACK CHOKE COIL BLACK INTERNAL CONNECTIONS OF INPUT TRANSFORMER PACK BROWN ,00D00 C-38 24 00 AWAY -Assembly Wiring Diagram 1.25 59 00- L-15 1100 C-3 R-22 1500

16、0 GREEN YELLOW .02 MED. BLUE CONNECTIONS AS SHOWN M DOTTED LINE ON PACKS WITH JUMPER GREEN INTERNAL CONNECTIONS OF LOUD SPEAKER e-131ACK I!g .) -BLACK L-11 3 6 T-3 RED RED-01 1 610 BLACK RED a FILTER PACK 7 %Ir 1111 IblVVVViii 5004 04EZO.) Ate,C-41for 2100 111100. A. C. INPUT PLUG Fidelity-A link is

17、 provided in the filter circuit connected across the plates of Radiotron RCA -53.Opening this link increases the high frequency output of the phonograph approximately 2000 cycles.The linkis accessible by re- moving the filter unit from the cabinet. L-13 ABDO PAGE 57 9- B 330 & 331 MODEL 330 REPLACEM

18、ENT PARTS Insist on genuine factory tested parts, which are readily dentified and may be purchased from authorized dealers Stock DESCRIPTION No. ListStock . No. DESCRIPTION List RECEIVER ASSEMBLIES MISCELLANEOUS 2269Capacitor -720 mmfd.-C17 3322 Switch-Automatic brake switch with mounting rcrews. 30

19、47 Resistor -1500 ohms-Carbon type-H watt-Pkg. of 5- R.7, R-13 3391Motor board suspension spring assembly-Comprising 1 bolt,1 top spring, 1 bottom spring, 2 cup washers, 1 3076 Resistor -1 megohm-carbon type-y6 watt-Pkge of 5- C washer and 1 nut R6 3430 Box-Needle box with lid-Pkge of 2 3252 Resisto

20、r -100,000 ohms-Carbon type- X wtt-Pkge of 3824Nut-Cap nut-Pkge of 4 5-R5, R16 6288 Knob-Phonograph volume control knob-Pkge of 5 3459 Capacitor -80 mmfd.-C18, 6657 Cable-Two conductor shielded cable-From transformer 3460 Capacitor -1200 mmfd.-C29 pack to volume control 3526 Resistor -2,000 obms-Car

21、bon type-H watt-Pkge of 5- 6804 Volume Control-Phonograph volume control-R21 R -I8 7632 Transformer Pack-Comprising input transformer, two 3536 Capacitor-Comprising two 5.0 mfd.-C27, C33 reactors, one 2400 mmfd., one 300 mmfd., one .02 mid. 3555 Capacitor -0.1 mfd. C6 capacitors, one 200,000 ohm, on

22、e 15000 ohm resistor - 3572 Socket -7 contact radiotron socket in metal container-T4, L5. LI6, C37, C38, C39, R22, 3584 Ring-Antenna, R.F. or oscillator coil retaining ring- R23 Pkge of 5 10174 Springs-Automatic brake springs-Pkge of 4 3592 Knob-Station selector, radio -phonograph switch or vol- urn

23、s control knob-Pkge of S 10184 Plate-Automatic brake latch trip plate with mounting screws-Pkge of 5 3602 Resistor -60,000 obms-Carbon ty pr- s watt-Pkge of 5-R-8 3616 3623 Capacitor -300 mmfd.-C26 Shield-Antenna or R.F. coil shield MOTOR ASSEMBLIES 3627 Knob-Range switch or tone control knob-Pkge o

24、f 5 watt-R23630Resistor -10,000 ohms-Carbon type -3 wt-R2 3398 Motor Mounting Assembly-Comprising 2 cup washers, 4 3634Capacitor -160 mmfd.-C25pringsand 1 C washer 3640 Capacitor-.05 mfd.-C2, C9, CIO, C24 3817 Stud-Motor mounting stud-Package of 3 3641 Capacitor -0.1 mfd. C14, C20 8989 Motor -105-12

25、5 volts -60 cycles 3719 3761 Socket -7 contact radiotron socket-Output Scale-Volume control dial scale 8990 8991 Motor -105-125 volts -50 cycles Motor -105-125 volts -40 cycles 3765 Capacitor-.025 mfd.-C32 8992 Motor -105-125 volts -25 cycles 3769 Resistor type-j4 watt-Pkge of 5- R3 3770 3771 Resist

26、or-SO ohms-Wire wound-Porcelain type-R20 Resistor -8500 ohms-Carbon type -3 watt-R4 PICKUP AND PICKUP ARM ASSEMBLIES 3772Capacitor -0.5 mfd.-C28 3773Capacitor -0.25 mfd.-C303386Cover-Pickup cover 3783 Capacitor -9 mmfd.-Pkge of 2-Cl, C8 3387 Screw Assembly-Pickup mounting screw assembly com- 3784Cap

27、acitor -900 mmfd. C31prising one screw, one nut and one washer-Package Of 10 3787Capacitor-.O1 mfd.-C34 3388 Screw-Pickup needle holding screw-Pkge of 10 3788Coil-High frequency compensator choke coil-LI4 3389 Rod-Automatic brake trip rod-Pkge of 5 3814 6188 6279 Socket-Station selector or volume co

28、ntrol lamp socket. Resistor -2 megohm-Carbon type-y5 watt-Pkge of 5- R1 Resistor -15,000 ohms-Carbon type-y5 watt-Pkge of 5-R19. 3390 3417 3419 3516 Escutcheon-Pickup arm escutcheon Armature-Pickup armature Screw-Cover mounting screw-Pkge of 10 Damper Assembly-Comprising1upper and 1lower drawer, 1 u

29、pper and 1 lower bearing-For pickup base 6282 Resistor -60.000 ohms-Carbon type-H watt-Pkge of 5-R11 . 3521 3737 Cover-Pickup back cover Damper-Viscoloid damping block-Pkge of 5 6300 Socket -4 contact radiotron socket 6346Back-Pickup housing back 6303 Resistor -20,000 ohms-Carbon type-Hi watt-Pkge o

30、f 6601Pickup-Magnetic pickup complete 5-R9, R14, R15 6602Coil-Pickup coil-L17 6471Coil-Oscillator coil-L5, L6.7659Arm-Pickup arm complete less pickup and escutcheon. 6527Coil-Antenna coil-LI, L2 6528Coil-R. F. coil assembly-L3, L4 6551 Transformer-Audio driver transformer-T2 TURNTABLE ASSEMBLIES 655

31、2 Reactor-Filter reactor-L12 6553 Transformer-First intermediate frequency transformer- L7, L8. C21, C22 3338 Ring-Clamp ring assembly-Comprising spring, latch lever and stud 6554 Transformer-Second intermediate frequency transformer 3340Wisher-Thrust washer-Pkge of 2 6555 L9, LIO, C23 Capacitor Ass

32、embly-Comprising one 10 mfd. and one 4 mfd. capacitor-C7. C36 3341 3342 Pin-Groove pin-Pkge of 2 Spring-Latch spring-Located on clamping ring-Pkge oft 6557Scale-Station selector dial scale3343Sleeve-Sleeve complete with ball race - 6593Condenser -3 gang variable tuning condenser 3344Cover-Grease ret

33、ainer cover-Pkge of 2 6594Volume Control-R12 3346Bushing-Speed shifter lever brushing-Pkge of 4 6595Tone Control-R17 3347Spring-Speed shifter lever spring-Pkge of 2 6596Switch-Range switch 3399 Lever-Speed shifter lever with mounting screws 6597Switch-Radio phonograph switch 7084Cover-Suede cover fo

34、r turntable 6674Output Filter-Comprising reactors and capacitor-L18, C41. 8948Turntable Complete 7062 Capacitor-Adjustable trimming capacitor -15 to70 mmfd.-C40 REPRODUCER ASSEMBLIES 7484Socket -5 contact radiotron socket 7485Socket -6 contact radiotron socket 6184 Board-Terminal board complete with

35、 three terminals - 7590Capacitor -10 mfd.-C35 Pkge of 5 9026 Transformer-Power transformer -105-125 volt -50-606556 Transformer-Output transformer-T3 Cycles-T1 8969 Cone-Reproducer cone-L11-Pkge of 5 9035 Transformer-Power transformer -105-125 volte-25-40 cycles 9434 Coil Assembly-Comprising field c

36、oil magnet and cone support-L13 PAGE 580-B 330 & 331 MODEL 331 REPLACEMENT PARTS Insist on genuine Factory tested parts, which are readily identified and may be purchased from authorized dealers StockNo. DESCRIPTION -1rat-37A- No. DESCRIPTION Mr RECEIVER ASSEMBLIES . AUTOMATIC RECORD CHANGER 2269Cap

37、acitor -720 mmfd, EJECT ARM ASSEMBLIES 2747Cap-Contact, cap-Package of 52917Washer-Spring waaher-Package of 10 3047Resistor -1,500 ohms-Carbon type-$ watt-Pkg. of S.3655Retainer-Ball retainer with three ball bearings 3076Resistor -1 megohm-Carbon type -)4 watt-Pkg. of 5.3656Bearing-Ejector tip beari

38、ng 3252Resistor -100,000 ohms-Carbon type -5 watt-Pkg. of 5.3657Tip-F.joetor tip 3459Cpacitor-80 mmfd3658Ball-Ball beareng-Package of 20 3460Capacitor -1,200 mmfd3660Shaft-Eject arm shaft 3526Resistor -2,000 ohms-Carbon type -14 watt-Pkg. of 5.3661Yoke-Eject arm yoke assembly. 3536Capacitor-Filter c

39、apacitor-Two 5.0 mfd. 3662 Plate-Ejector plate and felt pad-Package of 5 3555Capacitor -0.1 mfd.-R. F. and I. F. Bias. 3663Spring-Eject arm horizontal actiontensionspring - 3572Socket -7 contact Radiotron socket-OscillatorPackage of 10. 3584Ring-Antenna, R. F. and oscillator coilling ring-3665Screw-

40、Eject arm adjustment screw and nut-Package of S. Package of 53729 Roller-Counter balance roller-Located inisde of eject arm. 3592Knob-Station selector, volume control, or radio.phono- graph knob-Package of 5 3930 Cushion-Counter balance roller stop cushion and bracket- Located inside of eject arm 36

41、02Resistor -60,000 ohms-Carbon type-y2 watt-Pkg. of 5.6575Cover-Eject arm cover 3615Knob-Range switch or tone control knob-Package of 5. 7605Arm-Eject arm assembly complete 3616Capacitor -300 mmfd 3622 3624 Shield-Radiotron shield-Second detector Socket-Station selector or volume control lamp socket

42、 MOTOR ASSEMBLIES and bracket assembly9011Motet-Motor complete 105-125 volts -60 cycles 3630Resistor -10,000 ohms-Carbon type -3 watt9012Motor-Motor complete 105-125 volts -25 cycles 3634Capacitor -160 mmfd.9013Motor-Motor complete 105-125 volts -40 cycles 3640Capacitor -0.05 mfd.9014Motor-Motor com

43、plete 105-125 volts -50 cycles 3641Capacitor -0.1 mid9015Rotor and shaft for 60 cycle motor 3682Shield-Radiotron shield -Oscillator and 1st dectector.9017Rotor and shaft for 25 cycle motor 3719Socket -7 contact Radiotron socket9019Rotor and shaft for 40 cycle motor 3760Switch-Radio-phonograph-Rotary

44、 type-Double pole9021Rotor and shaft for 50 cycle motor -Double throw 3761Scale-Volume control dial and scale assembly 3762Screw-Chassis mounting screw and washer-Pkg. of 10 MOTOR BOARD ASSEMBLIES 3765Capadtor-0.025 mfd. 2893Spring-Trip lever tension spring-Package of 10 3766Extension-Tone control,

45、rotary switch, volume control, or switch shaft extortion 2897Screw-Cable lever tension spring adjustment screw and nut-Package of 5 3767Extension-Station selector shaft extension3322Switch-Motor switch complete 3768Screw-Set screw for shaft ion coupling-Pkg. of 10. 3653Spring-Phosphor bronze -Trip p

46、awl spring-Package of 5. 3769 Resistor -750 ohms-Carbon type- X watt-Package of 5. 3654Roller -Guide roller assembly-Comprising bracket, roller, 3770Resistor -50 ohms-Wire wound-Porcelain type and guide pia 3771Resistor -8,500 ohms-Carbon type -3 watt 3666 Spring-Cable lever tension spring-Package o

47、f 10 3772Capacitor -0.5 mfd 3667 Plato-Actuating plate assembly 3783Capacitor -9 mmfd.-Package of 2 3669 Screw-Special screw for holding main lever to actuating 3784Capacitor -900 mmfd.plate-Package of 5 3787Capacitor-O.01 mfd 3670Finger-Friction finger assembly 3788Coil-High frequency compensator c

48、hoke coil 3671Lever-Manual index lever 3942Shield-Radiotron shield-Oscillator and 1st detector3672 Pin-Manual index lever pin 6188Resistor -2 megohm-Carbon type-)4 watt- Pkg. of S. 3673Screw-Manual index lever adjustment screw and nut - 6279Resistor -15,000 ohms-Carbon type-X watt-Pkg. of S. Package

49、 of 5 6282Reaistor-60,000 ohms-Carbon type -3S watt-Pkg. of 5. 3674Escutcheon-Engraved MANUAL 12.10 6300Socket -4 contact Radiotron socket 3675Lever-Trip lever assembly 6303Resistor -20,000 ohms-Carbontype -3fwatt-Pkg. of 5. 3676Spring-Cam and gear tension spring-Package of 10 6471Coil-Oscillator coil 3677Lever-Cable lever assembly 6485 6527 Volume control with mounting nut Coil-Antenna coil 3777Motor mounting spring, washer, and stud assembly-Cow- 6528 6534 Coil-R. F. coil Switch-Range switch prising three upper and three lower springs, six c