RCA-Victor-Co-Inc-128 电路原理图.pdf

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1、PAGE 497-B MODELS 128, 224, 226AND 322 Six -Tube, Three -Band A. C. Receivers andRadio -Phonograph ELECTRICAL SPECIFICATIONS Voltage Racing 105-125 Volts and 100-130/195-250 Volts (Double Range Transformer) Frequency Rating( Power ConsumptionVtADIO ONLY Maximum Undistorted Output Maximum Output Pick

2、up Impedance at 1000 Cycles 7 Ohms Type of Tone Arm Inertia Turntable Sneed 78 R. P. M. Only 25-60 Cycles and 50-60 Cycles 85 Watts (All Frequencies) Frequency Rating 25, 30, 40, 50 and 60 Cycles Power Consumptionk MODEL 322) 130 Watts (60 Cycles) Type and Number of Radiotrons 2 RCA -606, 1 RCA -6A7

3、, 1 RCA -6B7, 1 RCA -41, 1 RCA-80-Total, 6 A- 540 K. C.- 1720 K. C. Tuning Frequency Range B Band B-1720 K. C.- 5400 K. C. C-5400 K. C.-18000 K. C. Line-up Frequencies 460 K. C., 600 K. C., 1720 K. C., 5160 K. C., 18000 K. C. 1 9 Watts 3 5 Watts YELLOW NOTE:Mode l BROWN GREEN BLUE -SHIES 224 ,322and

4、 Model 226 and 1935 VOLUME CONTROL R-30 200,000ax 1934 Model 128 use Model 128 use type MACK SHIELD EXT E-60 .05 MID. RED44. WO. 0400 C45 0.10410. 414_ 000 .4 224 Ile Lorn23mcaco 6f0 R1 3 RJ 1,01,1hd If DE14AXC. c je 615.2 amclam hibilleWe. .RR C00000. WN R9 300 Ace 600002 WIR slug P01 .17A. d eNDn

5、440 lewolo 3 00.1-.015 .0O. .005-0f I C.50.000 94.-cmcm Rae 201,010 CX we 3.2 OUTPUT 1 RIC 5,0,000. - 40 UMW. Rtl KW. 114 300, 1000. 1.1 gcd.7 MODEL 3 2 2-Schematic Circuit Diagram MODELS 128, 224 AND 226 ARE IDENTICAL TO MODEL 322 EXCEPT FOR THE OMISSION OF THE PHONOGRAPH WIRING: R6 IS CONNECTED DI

6、RECT TO CHASSIS INSTEAD OF THRU THE PHONO-RADIO SWITCH. THE GRID OF 6B7 2ND DET. AND AVC IS CONNECTED DIRECT TO RI3 AND C35INSTEAD OF THRU THE PHONO-RADIO SWITCH. 400 SEE FOLLOWING PAGE FOR VARIATIONS OF MODELS 0 (A) N 收音机爱 好者资料库 RadioFans.CN PAGE 499- B 1.E 606 R it it mist An, 2M TR 1160 657 IIIC5

7、1 I000000, A -c; RN C 36 WA DETAARC. OUTPUT 411 5:400., -Early Production Models 1-1,5)41 n)C5i .005 M,B II C5030n NEUTRAUTDA Con USED ON TABLE MODEL L Variations in Models: 128, 224, 226 (A0 035 NTO rt 105000, 400, MOO 15 RAM fittitititt/tOsi COIL DUD ON TABLE MODEL -Late Production Models having f

8、idelity change with hand position 1stModels 128 and 224 Early Production - Type 41 output tube. 2nd Models 128, 224 and 322 - Type 41 output tube and fidelity change with band position. 3rdModels 128 and 226 - Type 42 output tube and fidelity change with band position. C21.is 340 mmfd, C39 is 0.015

9、mfd, 1110 is 1.1 megohm. 2400 BLACK -RED TR. 210 0. GREEN 125VBLACK Ilo RED - BLAcK 14.5 BLACK -RED TR. RED -BLACK -RED TAPED BLUE BLUE YELLOW YELLOW BROWN 26n - BLACK BROWN-, F3 BROWN INTERNAL CONNECTIONS OF POWER TRANSE ttD Tee 5E1004 YELLod fop. bucCEIReneni- by, RED Flo. AWE INTERNAL CONNECTIONS

10、 OF POWER TRANSFORMER Ciftts etliotoire ns 1ST IF. TRANSF RESISTORBOARDRESISTOR BOARD WOK RESISTORBOARD ANT. COIL B o- SA - tact ANT. COIL R.F COIL BLAS Du. RI COIL L-10 BUM t A. ALA. OSC. COIL sa RESISTOR BOARD EARLY PROD. RESISTOR BOARD LATE PROD. RESISTOR BOARD MODEL 322 05C. COIL 收音机爱 好者资料库 Radi

11、oFans.CN PAGE 500-B 128, 224, 226 C17) 7801 4340 3632 Condenser -3 -gang variable tuning condenser (C5, C13, C18) Lamp -Dial lamp -Package of 5 Resistor -500 ohms -Carbon type -1 watt (R24) -Package of 5 4524Capacitor -2850 mmfd. (C25) 3218Resistor -600 ohms -Carbon type-% watt 414792Capacitor -.015

12、 mid. (C39) (R2, R6, R8) -Package of 5 4435Capacitor -.02 mfd. (C39) 4370Resistor -1000 ohms -Carbon type -34 watt 4518Capacitor -.05 mfd. (C35)(R3, R7) -Package of 10 4417Capacitor -.0.5 mfd. (C4, C12, C29)3997Resistor -4000 ohms -Carbon t ype- % watt 3877Capacitor -.1 mid. (C40 ) (R14) -Package of

13、 5 4415Capacitor -.1 mfd. (C6, C15, C30) . 6318Resistor -10,000 ohms (R21) 4645Capacitor -.1 mfd. (C7, C26) 3114Resistor -50,000 ohms -Carbon type - watt (R16, R18) -Package of 5 3597Capacitor -.25 mfd. (C38, C45) 3602Resistor -60,000 ohms -Carbon type-% 4525Capacitor -4.0 mfd. (C36) watt (R5) -Pack

14、age of 5 4428Capacitor -8 mfd. (C44) 3118Resistor -100,000 ohms -Carbon type -34 7790Capacitor -10 mfd. (C43) watt (R1, R4) -Package of 5 PAGE 502-B 128, 224, 226 & 322 REPLACEMENT PARTS (Continued) Stock No. DESCRIPTION ListI Stock No. DESCRIPTION List 3116 6186 Resistor -200,000 ohms-Carbon type-%

15、 watt (R15)-Package of 5 Resistor -500,000 ohms-Carbon type-% REPRODUCER ASSEMBLY TABLE MODEL watt (R17)-Package of 5 4526 Cable-3-conductor-Reproducer cable with 3033Resistor -1 megohm-Carbon type-% watt spade terminals (R10 )-Package of 5 5085Cable -3 -conductor reproducer cable with $14783Resisto

16、r -1,100,000 ohms-Carbon type- watt (R10)-Package of 5 9579 9533 female connector Coil-Field coil only Cone-Reproducer cone mounted and centered 6242Resistor -2 megohms - Carbon type - on housing watt (R11, R13)-Package of 5 5118Connector -3 -contactmale connectorfor 3413Resistor -5000 ohms-Carbon t

17、ype-IA wattreproducer (R22, R23)-Package of 55119Connector -3 -contact female connector for 4513 4521 Resistor - 30,000 ohms - Carbon type -3 watt (R20) Shield-Antenna R. F. or oscillator coil shield 7818 reproducer cable Reproducer complete-For use with chassis havingreproducercablewith spade termi

18、nals 3942Shield-First detector or output Radiotron shield 9578Reproducer complae-For use with chassis having cable with connector 7487Shield-I. F. amplifier Radiotron shield4818Transformer-Output transformer 4705Shield-R. F. amplifier Radiotron shield 3782Shield-Second detector Radiotron shield . .R

19、EPRODUCER ASSEMBLY 3529Socket-Dial lamp socket CONSOLE MODEL 3859Socket -4 -contact Radiotron socket(For use with chassis having reproducer 6676Socket -6 -contact output Radiotron socket cable with spade terminals) 7485Socket -6 -contact Radiocron socket4473Board-Terminal board assembly 3572Socket -

20、7 -contact Radiorron socket 4526Cable -3 -conductor with spade terminals. 4379Strip-Antenna terminal engraved ANT- GND 9460 8935 9527 Coil-Field coil, magnet and cone support (L24) Cone-Reproducer cone (L23)-Package of 5. Reproducer-Complete 4684Switch-Operating switch (S11) 4472Transformer-Output t

21、ransformer (T2) 4728Switch-Range switch (S1, S2, S3, S4, S5, S6, S7, S8, S9, S10) REPRODUCER ASSEMBLY 4517Tone control (R19)CONSOLE MODEL 4431Transformer - First intermediate frequency transformer (L19, L20, C27, C28, C48) (For use with chassis having reproducer cable with connector) 4433 9511 Trans

22、former-Second intermediate frequency transformer (L21, L22, C31, C32, C33, R9) Transformer-Power transformer105-125 volts, 50-60 cycles (T1) 5085 5118 5119 Cable -3 -conductor reproducer cable com- plete with female connector Connector -3 -contactmale connectorfor reproducer Connector -3 -contact fe

23、male connector for 9512Transformer-Power transformer105-125reproducer cable volts, 25-40 cycles9590Coil-Field coil, magnet and cone support 9513Transformer-Power transformer -105-250 (L24) volts -40-60 cycles 8935Cone-Reproducer cone (L23)-Package of 5. 4519Volume control (R12) 9589 4892 Reproducer

24、complete Transformer-Output transformer (T2) DRIVE ASSEMBLIES 4362Arm-Band indicator operating arm SWITCH ASSEMBLIES 10194Ball-Steel ball for condenser drive assembly- 3994Cover-Motor switch cover Package of 20 10184Plate-Automatic brake latch plate-Package 4422Clutch-Clutch drive assembly for varia

25、ble of 5 condenser drive 10174Springs-Automatic brake springs-Package 4661Dial-Station selector dialof 4 4510Drive-Tuning condenser drive assembly6896Switch-Eccentric automatic switch complete . 4704Indicator-Band indicator (celluloid) 3322Switch-Motor switch (S15) 4520Indicator-Station selector ind

26、icator pointer. 3943Screen-Dial light screen (celluloid)-Pack-TURNTABLE ASSEMBLIES age of 2 7084Cover-Turntable cover 3993Screw-Number 6-32-5/32 square head set screws for band indicator operating arm- 7838Turntable complete Package of 10 4669Screw-Number 8-32-5/32 set screw for variable condenser d

27、rive assembly-Pack- of 10 Stock No. 4792 Capacitor,4811 Capacitor and 4783 Resistor used in Models 128 and 228 1935 Production 4377Spring-Bandindicatorand arm tension spring-Package of 5 only. 4378Stud-Band indicator operating arm stud- Package of 5 Insist PAGE 50 3- B 128, 224, 226 84 322 REPLACEME

28、NT PARTS-(Continued) on genuine factory tested parts, which are readily identified and may be purchased from authorizeddealers Stock No. DESCRIPTION ListStock No. DESCRIPTION List MOTOR ASSEMBLIES 4678Ring-Dial glass retaining ring -Package 4577 8989 Connector-Male section two -prong motor connector

29、 plug Motor -105-125 volts -60 cycle motor com- 4446 of 5 Screw-Chassis mounting screw assembly comprising 4 spacers, 4 screws, 4 lockwash- ers, 4 washers, 8 cushions-For table model. plete 4945Screw-Chassis mounting screw assembly- 8990Motor -105-125 volts -50 cycle motor com- plete Comprising 4 sp

30、acers, 4 screws, 4 lock - washers, 4 washers and 8 cushions-For 8991 Motor -105-125 volts -40 cycle motor com- console model plete 4613Screw-Number 8-32-7/16headlessset 8992Motor -105-125 volts -25 cycle motor com- plete screw for knobs-Package of /0 8993Rotor and shaft-For 105-125 volt -60 cycle mo

31、tor MISCELLANEOUS ASSEMBLIES MODEL 322 8995Rotor and shaft-For 105-125 volt-SO cycle motor 3166Bolt-Reproducermountingassembly- 8999Rotor and shaft-For 105-125 volt -25 cycle motor Comprising 2 bolts, 2 nuts, 2 lockwashers and 1 plate 8994Spindle-Turntable spindle with fibre gear for 4677Bezel-Stati

32、on selector (escutcheon) bezel . . 60 cycle motor 3430Box-Needle box with lid-Package of 2. 8996Spindle-Turntable spindle with fibre gear for 50 cycle motor 4696 Cable -2 -conductor motor cable with section of connector plug-From receiver chassis 9001Spindle-Turntable spindle with fibre gear for to

33、motor cord connector 25 cycle motor 4695Cable -3 -conductor shielded cable with grid 3817Stud-Motor mounting stud-Package of 3.and female section of connector-From re- 3398Motor mounting-Spring and washer assem- bly-Comprising 2 cup washers, 4 springs ceiver chassis to volume control cable ton- nect

34、or and 1 C washer PICKUP AND ARM ASSEMBLIES 7843Cable -5 -conductor shielded with male sec- tion of connector plug-From phonograph volume control to input transformer 7842Arm-Pickup arm complete, less escutcheon and pickup 4153Connector-Female section(4 -contact) of connector for cable Stock No. 469

35、5 3417Armature-Pickup armature 4573Connector-Female section(2 -contact)of 6346Back-Pickup housing back connector plug for cable Stock No. 4696 . 3385Coil-Pickup coil (L30) 6614Glass-Station selector dial glass 3386Cover-Pickup cover 3829Knob-Phonograph volume control knob- 3521Cover-Magnetic pickup

36、back cover Package of 5 3418Cushions-Pickup rubber cushions-Compris- ing one damper and two spacer cushions and one damper bushing -5 sets 4449 Knob-Station selector volume control, range switch or operating switch knob-Package of 5 3516Damper assembly-Comprising one upper and one lower damper, one

37、upper bushing and one lower bearing-Located in bottom 6123Plug-Male section (4 -prong) of phonograph volume control and input transformer cable plug of pickup base 3396Receptacle-Needle receptacle 3390Escutcheon-Pickup arm escutcheon complete with mounting rivets 4678Ring-Dial retaining ring-Package

38、 of 5 . 6335Pickup-Pickup unit complete 4393Screw -8-32-5/16 headless set screw for 3389Rod-Automatic brake trip rod with lock nut knob No. 3829-Package of 10 -Package of 5 4698 Screw-Chassis mounting screw issembly- 3387 3388 Screw assembly-Pickup mounting screw as- sembly comprising one screw, one

39、 nut and one washer -10 sets Screw-Pickup needle holding screw-Pack- age of 10 3391 Comprising1screw,1lock. asher,1 washer, 2 cushions and 1 spacer Suspension spring and washer assembly-For motor board-Comprising 1bolt,1 top spring, 1 bottom spring, 2 cup washers, 1 3419Screw-Pickup cover mounting s

40、crew-Pack- age of 10 C washer and 1 nut MISCELLANEOUS ASSEMBLY MODELS 128 224 8. 226 7844Transformer-Phonograph inp,pt transformer pack comprising one transformer, one reac tor, one 4000 ohm and one 13,000 ohm re- sistor, one .01 mfd. and one .05 mfd. ca- pacitor (T5, L31, R31, R32, C60, C61). . 467

41、7Bezel-Station selector dial (escutcheon) bezel6766Volume control-Phonograph volume con- 4661Dial-Station selector dialtrol (R30, S16) 6614Glass-Station selector dial glass 4520Indicator-Station selector indicator pointer . 4449Knob-Station selector, volume control, tone control, range switch or operating switch knob-Package of 5