RCA-Victor-Co-Inc-RADIOLA-47 电路原理图.pdf

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1、ground lead *M0 ALL OTHER GROUHD - CONNECTIONS kU CONNECTED TO FRAME i-.TWISTEO AND SHIELDED r V PICK-UP MNT TRANSFORMER. COUPLING REACTOR RADIO-RECORD -SWITCH NOTE RECEIVER ASSEMBLY CABLE (WIRES 1,2.5,6.9*11) RAOIORECORO SWITCH CABLE (WIRES 3.4.G,7 A 10) Schematic circuit diagram of receiver, phono

2、graph pick-up and reproducer SALEM- V TO VOLUME 11100 A 3G00A BODA FILTER / REACTORSv ROWER TRANSFORMER PH0NO6RAP* MOTOR operating SWITCH Schematic circuit diagram of socket power unit COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 173 收音机爱 好者资料库 RadioFans.CN PAGE 171-A RADIOLA47 ELECTRICAL SPECIFI

3、CATIONS Voltage Rating105-125 Volts Frequency Rating-._50-60 Cycles or 25-40 Cycles Power Consumption (Radio)_100 Watts Power Consumption (Phonograph)._ -_135 Watts Recommended Antenna Length25-60 Feet Type of CircuitScreen Grid Tuned R.F. Number and Types of Tubes 3 LTY-224. 1 UX-245 and 1 UX-280-T

4、otal 5 Type of Loudspeaker_ Dynamic 300-330 V, 40-45 M. A. Field Type of Pick-up_ _Low Impedance Flexible Armature Type of Phonograph Motor-Induction PHONOGRAPH VOLUME CONTROL RADIO- RECORD SWITCH TERMINALS toWN -s ENS to At A. 81.UtTO X EDCONE COIL OPERATING SWITCH AC L, OW AR00N FILTER AND BY- RES

5、 CONDENSERS ND OUTPUT CORD AND CHOKE , FILTER REACTORS BLACK WITH YELLOW TRACER P IyELLO MAGNETIC PICK-UP-. 0 PHONOGRAPH MOTOR. SWITCH BLACK REPRODUCER UNIT RCA Radiola 47 PHONOGRAPH MOTOR AND 7PICK-UPCHIT PHONOGRAPH / TURNTABLE SLOE LOCAL -DISTANT SW ITCH -4 GREEN PHONOGRAPH MOTOR. SHIELD - RECEIVE

6、R ASSEMBLY PICK-UP TRANSFORMER. U X-245UX. 8 -Comblete layout of main assemblies showinq cable connections A. C. INPUT PLUG BLACK NEEN GND. ANT. DL ACK RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. J 收音机爱 好者资料库 RadioFans.CN PAGE 172-A 47 DISTANT LOCAL omo FO D2 3 .1 mFO

7、.N.L. _ANTENNA LOADING COIL UT -224 1ST R.F. GROUND LEAD AND ALL OTHEP. GROUND -CONNECTIONS ARE CONNECTED TO FRAME PILOT LAMP LATCH LATCH PLATES OFF POSITION GANG CONDENSERSN UV -224 .I MFD O P=A RECORD MAGNETIC VOLUMEINPUT PICK-UP CONTROLTRANSFORMER. RADIO VOLUME CONTROL. 29004 UY-224 DET. RECORDRA

8、DIO MFD .00005 RADIO -RECORD SWITCH 150011. I 0001r COUPLING RE ACTOR -Schematic circuit diagram of receiver, phonograph pick-up and reproducer HAND LEVER OPERATING LEVER-, .11RAKE LEVER BRAKE LEATHER SWITCH_ CAM LEVER SWITCH- -Automatic stop mechanism SWITCH CONTACTS FRICTION LEVER ON POSITION EASE

9、 PLATE -B BY- PASS COBDEN 31 -YAre,P, FIELD COIL-, FLEXIBLE LEADS 6 CONE COIL NOTE RECEIVER ASSEMBLY CABLE (WIRES 1,2.5,6.9 RH RADIO -RECORD SWITCH CABLE (WIRES 3.4.6.7 410) 收音机爱 好者资料库 RadioFans.CN PAGE 17 3 -A 47 -GREEN TO VOLUME )- CONTROL 0 In .006 1.25 MFD. 0 1100.r360011.900.n. 01 MFD .25 MEG.

10、(CARBON) trv.1,1. j2 11.110/b FtFEIALIETOR,(s, .1- 0 0i 0 MFDINIMIME i OUTPUT CHOKE It et .25 MFD UX-245 S MFD 2 MFD.I2MFD.2 MFD. POWER.PHONOGRAPH TRANSFORMERMOTOR O O UX 280(01 146011 -Schematic circuit diagram of socket power unit 2 MFD. MFD. .5 MFD. 1.25 MFD. -Internal connections ofthe condenser

11、 bank TERMINAL STRIP VOLT AGES Terminals Volume Control at MinimumMaximum 1to 2 3 to redV.C. lead 4 to 6 6 to 9 6 to 11 8 to 11 Red V.C. lead to 11 Arm of V.C.to red V. C.lead 2.5 A.C. 185 D.C. 70 D.C. 195 D.C. 5.0 D.C. 320 D.C. 2.1 D.C. 0 2.5 A.C. 170 D.C. 65 D.C. 180 D.C. 5 D.C.* 320 D.C. 2.1 D.C.

12、 70 D.C. 110 V. 120W. RECORD SWITCH 105.125 VOLTS 50-60. OPERATING SWITCH 25 -cycle condenser con- nections.This condenser is an ad- ditional part in all 25 -cycle models. CURRENT COIL ARMATURE DISC VOLTAGECOILS *Be sure no signal is tuned in. -Phonograph motor coil connections PAGE 474-A 47 REPLACE

13、MENT PARTS Insist on genuine factory tested parts, which are readily identified and may be purchased from authorized dealers STOCK ML DESCRIPTION STOCK MI DESCRIPTION RECEIVER ASSEMBLIES 8006 Shield- Metal shieldfor 2nd R.F. stage - Contact clipsfor condenser shaft on both 2032Leads - Antenna and gr

14、ound leads-1 pair. sides. 2034 Switch - ftLocal-Distant switch - 2 -position 8007 Shield - Metal shieldfor detector stage - - Toggle type. Contact clipfor condenser shafton one 2039 Switch -Power line operating switch - Toggle side. type. 8008 Drive Shaft - Volume control drive shaft - 2523Loading C

15、oil- Antenna loading coil- less Comprising shaft with gear and U washer. Micarta mounting strip - Package of 5.8010 Shield clamp - Comprising1 clamp, 2 studs thumbfor 2524 Board - Antenna loading coil mounting board with 2 terminals. and2nuts clamping second R.F.and detector shields - 1 set. 8082 Ca

16、ble -Laced wiring cable - From receiver to 2525 Cord - Condenser drive cord - Package of 5. S.P.U. 2528 Spring - Spiral tension spring for condenser drive cord - Package of 5. 6083 Drive Shaft - Tuning condenser drive shaft - Comprising shaft,2 pins,stops, spacing 2527 Scale-Tuning condenser perfora

17、ted metal washers, collar and threaded drum. scale - Package of 5. 8,469R. F. Transformer -1st R. F. transformer and 2531Socket - Pilot lamp socket - less flexible antenna loading coil with mounting bracket. leads - Package of 5. 8470 R. F. Transformer -2nd or 3rd R. F. transformer 2532 Condenser -

18、Antenna condenser - 230 mmfd. - Package of 5. including low frequency primary complete with mounting bracket. 2533 Board - Micarta boardfor mounting antenna condenser. 8471 Tuning Condenser Assembly - Comprising cast - ing,3 variable condensers,3 adjustable line-upcondensersdrive drum -Lessvolume 25

19、34 Condenser - Adjustable line-up condenser. and control shaft,drive cord,drive 2535 Knob - Volume control knob - Package of 5. shaft and pilot lamp socket. 2536Knob - Station selector knob - Package of 5. 2537Socket - Single UY Radiotron socket - Less leads - Package of 5. S.P.U. ASSEMBLIES 2538 Ca

20、p- Contact cap with flexible lead - For Radiotron UY-224 - Package of 5 2340 Resistor - Detector cathode resistor -. 5000 ohms - Carbon type. 2530Clip- Spring contact clipfor maintaining contact between tuning condenser shaft and 2543Resistor- 8400 -ohm voltage divider with 5 terminals - Porcelain t

21、ype. stage metal shields - Package of 5. 2545 Resistor - Detector plate resistor - 15,000 2540 Shield- Metal shield for1stor 2nd R.F. ohms - Carbon type - Package of 5. Radiotrons.2546Resistor - Power tube grid resistor - 1 meg- 2541 Coupling Strip -Micarta strip - Couples vol- ohm - Carbon type - P

22、ackage of 5. ume controland volume drive shaft together - Package of 5. 2547 Resistor - Detector cathode resistor - 2000 ohms - Carbon type- Package of 5. 2562 Pulley -Idler pulleyfor condenser drivecord - Package of5. 2548 Resistor -Bleeder resistor -3350 ohms - Car- bon type - Package of 5. 2609 S

23、creen - Amber colored tuning scale screen - 2549 Resistor -Coupling reactor tuning resistor - Package of 5.Carbon type - 1/4 megohm - Package of 5. 2617 Cable andSwitch -Radio-record transferswitch and braid covered cable from receiver chassis toradio volumecontrol,S.P.U. terminal. 2552 Socket -2 -g

24、ang UX type Radiotron socket with Micarta shield. strip, reproducer, phonograph volume control and phonograph Input transformer. 2553 Resistor - 2080 -ohm voltage divider with 5 terminals - Porcelain type. 6000 Filter Coil and Condensers- Comprising MI- carta strip with 3terminals, 2condensers, 5819

25、Terminal Strip - 11 terminals with screws and mounting brackets for metal shield. 1 coil and mounting bracket - Mounted on upper side of chassis. 6014 Resistor and Condenser Assembly - Comprising two 50 -ohm mid -tapped resistors, one 0.006 600 1 Filter Coil Assembly -Comprising 1 coil, Mi- carte mo

26、unting strip with5 terminals and mfd. condenser and one 0.01 mfd. condenser with mounting brackets - Package of 5. wooden spacer -Less mounting screw -Mount- ed on lower side of chassis. 6017 6020 Cable - Laced cable for wiring S.P.U. Shield-Metalshield for S.P.U. terminal strip. 6002 Condenser Asse

27、mbly - One 0.25 mfd.and one 0.75 mfd. condenser in metal container. 8472 Transformer - Power transformer - 105-125- volt - 50 -60 -cycle - In metal container. 8003 Condenser Assembly -Three O. imfki. condensers in metal container. 8473 Transformer- Power transformer - 105-125- volt - 25 -40 -Cycle -

28、 In metal container. 6004 Reactor -Coupling reactor in metal container. 8474 Transformer -220volt -60cycle power trans - 6005 Volume Control- 2900 ohms - Porcelain base with short slotted shaft - Package of 5. 8475 former - In metal container. Reactors- Filter reactors -In metal con- tainer. PAGE 47

29、5-A REPLACEMENT PARTS (Continued) 47 Stoc k No. DasaurrioN Stock No. Dzoourriott I 8476Condenser and Choke Assembly -Comprising filter condensers, by-pass condensers, out- put coupling condenser and choke -In metal 269 1Governor - Comprising shaft with worm brake disc, weights, spring and screws - A

30、ssem- bled. container. REPRODUCER ASSEMBLIES 2892Bearings - Governor shaft bearings - One set of two. 2385Bracket- Metal bracket for supporting out- put transformer. 2693 Gear - Worm gear with set screwfor e shaft. 2365 Screw -Magnet clamping screw - Used to clamp front and back end plates together

31、and used 2694 Shaft - Drive shaft with taper pin for se- curing turntable. to fasten complete magnetto cone support - No.1/4 - 20 - 4 - Set of 4. 2895 Bearing - Threaded thrust bearing with lock nut for drive shaft. 2557 Cords -Two cords from S.P.U. to output trans-5943 Transformer - Phonograph inpu

32、t transformer. former - Each cord 41 Inches long. 6084Pick-up - Magnetic pick-up - Low Impedance 5897 Washer -Paper washer used between magnet and cone support. - Flexible armature - Complete with leads and suspension arm set screw - Less ter - 6018 Coil - 330 -volt field coil. urinals. 6085 Switch

33、- Radio -Record transfer switch - Com- 6019Transformer -Output transformerin metal container. prising switch, arm, mounting plate- As - sembled. 8374Support - Cone support - Metal flange. 6066 Stop -Automatic stop mechanism for turntable 8375Cone - 8 in. Corrugated paper cone with voice - Complete i

34、ncluding switch. coil for dynamic speaker. 8067 Lever - Speed control regulator lever for 8376 8390 Ring - Metal clamping ring for holding cone. Ring - Cardboard seal ring - Used between motor - Comprising lever, spring, mounting bolt, nut and washer. baffle board and cone support - Package of80e9 C

35、oil Assembly - Located nearest governor - 2283 10. PHONOGRAPH ASSEMBLIES Volume Control - 60 -ohm porcelain base wire wound potentiometer -1/4 in. shaft -Milled 105 -125 -volt - 80 -cycle -Comprising 2 cur- rent coils, ivoltage coil, laminated core, end bracket, terminal board,nuts,bolts, screws and

36、 washers- Completely assembledready for mounting. for push -on type knob - Less knob. 6070Coil Assembly -. Located farthestfrom gov- ernor - 105 -125 -volt - 60 -cycle - Compris- 2332 2333 Knob - Wood knob - Walnut finish - Push -on type for 1/4 In. shaft. Washer - Spacing washer - Package of 10. in

37、g 2 current coils,1 voltage coil, lam - mated core,end bracket, terminal board, nuts, bolts, screws and washers - Complete - 2610 Knob - Radio -Record transfer switch knob - ly assembled ready for mounting. Walnut finish - Package of 5. 8519 Turntable-12 turntable - Oxidized bronze finish - Brown fe

38、lt covering. 2611 Escutcheon -Switch escutcheon marked ,Radio- Record -Comprising escutcheon and mounting screws - Oxidized bronze finish. 8520 Arm - Suspension armfor magnetic pickup - Comprising arm with trip rod, base, pivot 2612Receptaclearm, - Needle cup - Comprising recep- tacle and cover for

39、used needles -Oxidized 3 mounting screws to match and the lead clamps in place. bronze finish. 9295Motor - 105-125 volt - 60 cycle - Induction 2813 Escutcheon -Escutcheon and mounting pins for needlecup receptacle-Oxidized bronze motor mountincompletegwash with bolts, metal and felt ers. finish. 929

40、6 Motor - 105-125 volt - 25 cycle - Induction motor complete with bolts, metal and felt 2614 Switch - Switch for automatic stop. mounting washers. 2616Regulator - Speed regulator for motor - Com- prising shaft, mounting bracket and screws, cam with nut and washer and escutcheon with mounting screws.

41、 9297Motor - 220 volt - 60 cycle - Induction mo- tor complete with bolts, metal and felt mounting washers. 10174Springs - Springs for automatic stop mechan- 2618Screw -Needle holding screw -Bronze oxidized finish - Package of 5. ism - One set of 4 springs - Package of 2 sets. 2619Coil - Magnet coil

42、for low impedance pickup. CABINET ASSEMBLIES 2621Cap - Spindle cap for motor.2522Escutcheons - Comprising 1 antenna escutch- 2622Coil Assembly - Located nearest governor - 105-125 volt - 25 -cycle -Comprising 2 cur- rent coils, ivoltage coil, laminated core, end bracket, terminal board,nuts,bolts, s

43、crews and washers- Completely assembled 2551 eon marked ,Distant -Local, and 1 power es- cutcheonmarkedOff-Onliwithmounting screws - Set of 2. Shield - Metal shield for antenna switch. ready for mounting. 2607 Escutcheon - Station selector escutcheon. 2623Coil Assembly - Located farthestfrom gov- er

44、nor -105-125 volts - 25 -cycle - Compris- 2808 Screen support- Metal supportfortuning scale screen. ing 2 current coils,1 voltage coil,lain- mated core,end bracket, terminal board, nuts, bolts, screws and washers - Complete- ly assembled ready for mounting. 6060 6081 Cloth - Grille cloth. Arm - Special automatic stay arm (one right andoneleft) with guide plate, mounting and adjusting screws - i pair.