RCA-Victor-Co-Inc-U-101 电路原理图.pdf

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1、PAGE 414-3 MODELS U-101 and U-103 Five -Tube, Two -Band, A -C, Radio -Phonographs Model U-101 FREQUENCY RANGES Broadcast (A) 540,1,720 kc Broadcast (A) 600 kc (osc.) Short Wave (C) 5,800.18,000 kcShort Wave (C) 15,000 kc (osc., ant.) Intermediate Frequency 460 kc RADIOTRON COMPLEMENT (3) RCA -75 Sec

2、ond Det., A -F Amp. and A.V.C. (1) RCA -6A7 First DetectorOscillator(4) RCA -42 Audio Power Amplifier (2) RCA -6D6 Intermediate Amplifier (5) RCA -80 Full -Wave Rectifier Pilot Lamp (1) Mazda No. 46, 6.3 volts, 0.25 ampere SN-T30.1 TOP FRONT OF CHASSIS Model U-103 Electrical Specifications 1.111.0SC

3、. (ADJ. AT REAR GOO K.C.OF CHASSIS) T RAN 2 0E2 A.V.0 4 AUDIO OS z AN 2 TO TCRM. -1SEC. ADJ. 111 I/11160KC. TRANS P15 soA C5-OSC. CI -ANT. I5,000K.C.15,000K.C. IsT DET. t,osc -Radiotron, Coil, and Trimmer Locations POWER SUPPLY RATINGS R -F ALIGNMENT FREQUENCIES Radio Radio Model U-101 OnlyTotal Mod

4、el U-103Only Total A-6. 105.125 volts, 60 cycles 75 watts.80 watts A-6. 105.125 volts, 60 cycles 75 watts. 100 watts A-5. 105.125 volts, 50 cycles 75 watts.80 wattsA .105.125 volts, 50.60 cycles 75 watts. 105 watts 13-2. 105.125 volts, 25 cycles 80 watts. 85 wattsB-2. 105.125 volts,15 cycles 80 watt

5、s. 105 watts C-6. 105.125/200-250 volts, 60 cycles. 75watts. 80 watts C-6. 105.125/200,250 volts, 60 cycles75 watts. 100 watts C-5. 105.125/200-250 volts, 50 cycles. 75watts. 80 watts C. 105,125/200,250 volts, 50.60 cycles 75 watts. 105 watts POWER OUTPUT RATING LOUDSPEAKER Undistorted 2.5 wattsType

6、 Electrodynamic Maximum 4.5 watts V.C. Impedance 2.2 ohms at 400 cycles PHONOGRAPH Model U-101 Model U-103 Type Manual Automatic -ManualType of Pickup High -impedance magnetic Turntable Speed 78 r.p.m.78 r.p.m. Pickup Impedance 1,400 ohms at 1,000 cycles Alignment Procedure Calibrate the tuning dial

7、 by adjusting dial pointerto the center horizontal line with the gang tuning -condenser plates in full -mesh position. This is a screw -driver adjustment. Order of Alignment Test Oscillator Range- Selector Receiver Dial Setting Circuit to Adjust Adjustment Symbols Adjust tO Obtain Connection to Rece

8、iver Dummy Antenna Frequency Setting 1 6D6 I -F Grid Cap .001 Mfd.460 kc A Left No Signal 550-750 kc 2nd I -F Trans. L9 Max. (peak) 2 Grid Cap 8A7 Del .001 Mfd.460 kc A Left No Signal 550-750 kc 1st I -F Trans. L4 and L5Max. (peak) 3 Ant. Lead (blue) 300 Ohms15,000 kc Right 15,000 kcC Osc.C5 Max. (p

9、eak)t 4 Ant. Lead (blue) 300 Ohms15,000 kc C Right Rock Through 16,000 kc ,6C, Ant. ClMax. (peak)* 5 Abntlue)Lead , ( 200 Mmfd.600 kc t 600 kcA Osc. L8Max. (peak) AM. t Use maxunttm capacity peak Use minimum capacity peak RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. 收音

10、机爱 好者资料库 RadioFans.CN PAGE 415-B 0101 14626 Capacitor-.07 mfd. (C51) (50 -cycle only) MODEL 0-101SECOND PPODVCT ION This model may be readily identifie.I by the rubber mountings and metal spider used to support the motor turntable. Replacement parts listed fir Model 1101 are directly applicable to t

11、his model except as listed below - Stook No.Description MOTOR ASEMSLIES 30393Cap - Turntable spindle cap 30385Motor - 110 volts - 60 cycle 30386Motor - 110 volts - 60 cycle 30387Motor - 110 volts - 25 cycle 30388Rotor - Rotor assembly complete - comprising laminations, turntable, spindle and spindle

12、 cap - for 60 cycle operation. 30389Rotor - Rotor assembly complete - comprising laminations, turntables, spindle and spindle cap - for 50 cycle operation. 30390Rotor - Rotor assembly complete - comprising laminations, turntable, spindle and spindle cap - for 25 cycle operation. 30392Spacer- Compris

13、ing one spindle and three rotor spider rubber spacers. 30391Turntable - Turntable plate and. cover only. Stock Nos. 14232, 14806, 14807, 14808, 14809, 14810, 14811, and 14812 are not used on Model U-101 Second Produotion. MODELU-101 Revised Motor Components: Thevariousparts of the turntable and roto

14、r assemblyhavebeenassignedseparatestock numbers andarenowavailableforservice purposes as follows: Obsoleted Parts Stock No. 30 3 88Rotor-LaminationsandTurntable complete for 60 cycleoperation. 30 3 89Rotor-LaminationsandTurntable complete for50cycle operation 30390Rotor-LaminationsandTurntable compl

15、ete for 25 cycle operation Superseded by 3 300 3Lamination-Rotor laminations, frame and shaft assembled,for 60 cycle operation 33004Lamination-Rotor laminations, frame and shaft assembled,for 50 cycle operation 33005Lamination-Rotor laminations, frame and shaft assembled,for 25 cycle operation 30391

16、Turntable-Finished turntable plate 30393Cap-Turntable spindlecap 30392Mounting -3 rubber spacers, and 1 rubber bushing for mounting turn- table plate SPEED ADJUSTMENT (SCREW) TO DECREASE SPEED TURN CLOCKWISE TURN SPEED ADJUSTER 30 THE FEL WILL PROTRUDE .56 WHEN ALL THE WAY IN. ADJUST GOVERNOR SO AS

17、TO LEAVE )15 BETWEEN FELT AND DISC, THEN SECURE BY MEANS BR GOVERNOR SCRE ADJUST30 THAT SHAFT IS FREE TO ROTATE WITHOUT END PLAY REMOVE TO TAKE OFF GOVERNOR OIL KEEP FILLED WITH LIGHT OIL TO INSURE SMOOTH OPERATION 00 NOT CHANGE THIS ADJUST MEN, M.1474-* MODEL U-103-Details of Motor 收音机爱 好者资料库 Radio

18、Fans.CN PAGE 417-B U101 . r -0It v. L -1 258r-, -0.2v.iris.45,1. I I2.I.F.TRANC.1 iC.G. 197V.i(loy.A.C. I IAC I) II-0.1V. I tItItt BOTTOM VIEW- REAR OF CHASSIS C.G. 1V49 I1 -0.3V. II I*6.45V. I A.C. Lim 258V. - 1ST DET 4OCC 557 - PRI ADJ DET, A.V.C4.4UOIO 75 1T I.F TRANS. - Say. -Radiotron Socket Vo

19、ltages, Coil, and Trimmer Locations (Model U-101) 330V 205V ELECT CRP CE4 CIO ES C25 et_ecrCAP cm-c.eis _J CIO C.G. 255V I- ( -0.9V*), -0.2V1 I L6A I CV. I100V. I1 CATHODE CURRENTS N 1105s. N. 24.9101 N 30.3250 N-440100. N.542rm Bs CANNOT BE MEASURED AT SOCKET 2. DET., A.V.C.4.4U010 75 1 -0.1V. 255V

20、 I2. IF.TRANS. 1 1.T.I.F TRANS. I 60F6 C.G. L6.4 AC. -0.2V. BOTTOM VIEW- REAR OF CHASSIS -Radiotron Socket Voltages, Coil, and Trimmer Locations (Model U-103) Measured at 115 volts, 60 -cycle supply-Tuned to approximately 1,000 kc (Broadcast)- No signal being received-Volume control minimum Note: Tw

21、o voltage values are shown for some read- ings. The value shown in parentheses with asterisk (4) indicates operating conditions without voltmeter loading. REPLACEMENT PARTS Insist on genuine factory tested parts which are readily identified and may be purchased from authorized dealers. STOCK No. DES

22、CRIPTION STOCK No. DESCRIPTION RECEIVER ASSEMBLIES14377Capacitor -16 Mfd. (C10)-Model U101 only 14634Belt-Variable condenser drive belt 14813Capacitor Pack-Comprising two 16 Mfd. sections (C10, 14632Bracket-Dial mounting bracketC23)-Model U103 only 6237Bushing-Variable condenser rubber mounting bush

23、ing 14846Coil-Antenna coil (L1, L2, LS) 14802Cable -2 -conductor shielded compensation cable complete14647Coil-Oscillator coil (L8, L7, L8) with grid contact cap14833Condenser -2 -gang variable tuning condenser (C1, C2, 12118Cap-Grid contact capC5, C6) 12896Capacitor -15 Mmfd. (C25)14783Connector -2

24、 -contact female for motor power cable 12405Capacitor -47 Mmfd. (C14)5119Connector -3 -contact female for speaker cable 14262Capacitor -110 Mmfd. (C11, C12) 14648Core-Adjustable core and stud for oscillatorcoil 12724Capacitor -120 Mmfd. (C7) 12008Core-Adjustable core and stud for I.F. transformer 12

25、406Capacitor -180 Mmfd. (C16) 14631Dial-Station selector dial 30396Capacitor -470 Mmfd. (C8)14651Drive-Variable condenser vernier drive and pinion gear 14724Capacitor -560 Mmfd. (C17) 14635Indicator-Station selector indicator pointer 12728Capacitor -4,500 Mmfd. (C3) 5226Lamp-Dial lamp 4868Capacitor-

26、.005 Mfd. (C22) 14638Pulley-Idler pulley-less spring. 13138Capacitor-.01 Mfd. (C9, C18) 14639Pulley - Variablecondenserdrivepulley - located on 4870Capacitor-.025 Mfd. (C53) condenser shaft 4839Capacitor -0.1 Mfd. (C4, C13, C19, C21) 14660Resistor -18 ohms, insulated, 1 watt (R14) 12484Capacitor -0.

27、25 Mfd. (C15) 14653Resistor -50 ohms, flexible type, 1/10 watt (R18) 14814Capacitor -10 Mid. (C24) 13819Resistor -270 ohms, wire wound, 1.1 watt (R15) 5212Capacitor -16 Mfd. (C23)-Model U101 only 5175Resistor -5,600 ohms, carbon type, 1 watt (R12) PAGE 418-B lJ101&U103 REPLACEMENT PARTS (Continued)

28、STOCK No. DESCRIPTION STOCK No. DESCRIPTION 14659Resistor -6,800 ohms, carbon type,I watt (R3) 14232Cap-Turntable spindle cap 14559Resistor -10,000 ohms, insulated, * watt (R55)-Njodel 14223 Coil-Stator assembly-comprising coils and laminations U103 only -105-125 volts, 60 cycle 11305Resistor -22,00

29、0 ohms, carbon type, I watt (R16) 14224Coll-Stator assembly-comprising coils and laminations 13735Resistor -33,000 ohms, carbon type, * watt (R2) -105-125 volts, 50 cycle 5033Resistor -33,000 ohms, carbon type,1 watt (R4) 14225Coil-Stator assembly-comprising coils and laminations 5208Resistor -36,00

30、0 ohms, wire wound, 20 watt (R54)- -105-125 volts, 25 cycle Model U103 only 14228Damper-Motor damper assembly comprising one damper, 11646Resistor -47,000 ohms, carbon type,* watt (R9) one damper plate, one screw and one C washer 11323Resistor -270,000 ohms, carbon type, * watt (R7, R8) 14806Motor -

31、105-125 volts, 60 cycle (M1) 13733Resistor -330,000 ohms, carbon type,watt (R1) 14807Motor -105-125 volts, 50 cycle (M1) 13479Resistor -390,000 ohms, carbon type, watt (RIO) 14808Motor -105-125 volts, 25 cycle (M1) 5036Resistor -560,000 ohms, carbon type,watt (R8) 14227Shield-Terminal board shield a

32、nd nuts 12679Resistor -2.2 meg., insulated,* watt (RI1) 14229Stop-Turntable stop, lockwasher and nut-prevents re - 14661Resistor -6.8 meg.,insulated,* watt (R13) moval of turntable 6129Ring-Radiotron shield ring 14809Turntable-Turntableassemblycompletewithrotor 4389Screw-No. 6-32:3/16headlesssetscre

33、w forpulley laminations -60 cycle operation No. 14839 14810Turntable-Turntableassemblycompletewithrotor 14638Shaft-Station selector knob shaft and pulley laminations -50 cycle operation 12008Shield-First I.F. transformer shield 14811Turntable-Turntableassemblycompletewithrotor 12408Shield-Second I.F

34、. transformer shield laminations -25 cycle operation 11265Shield-Radiotron shield 14812Turntable -10 -in. turntable plate only 14658Socket-Dial lamp socket 4083Washer-Leather washer for turntable bearing 4794Socket -4 -contact 80 Radiotron socket 14230Washer-Metal washer for turntable bearing 4786So

35、cket -6 -contact 6D6, or 42 or 75 Radiotron socket 14231Washer-Metal shim washer for turntable bearing 4787Socket -7 -contact 6A7 Radiotron socket 14637Spring-Idler pulley tension spring MOTOR ASSEMBLIES 12007Spring-Retaining spring for core stock No. 12006 andMODEL U-103 No. 14648 14215Governo-Gove

36、rnorcompleteformotorStockNo. 14640Switch-Range switch (S2, S3) 9799, No. 14465 and No. 14466 14378 14642 Transformer-First I.F. transformer (L4, L5, C11, C12) Transformer-Second I.F. transformer (L9, L10, C14, 14466 14465 Motor -105-125 volts, 25 cycle (M1) Motor -105-125 volts, 50-60 cycle (MI) C16

37、) 9799Motor -105-125 volts, 60 cycle (M1) 14855Transformer-Power transformer.105-125volts, 50-60 cycle (T1) 14214Screw-Motor mounting screw and spacer assembly 14656Transformer-Power transformer,105-125volts,25-60 cycle (T1) PICKUP AND ARM ASSEMBLIES 14657Transformer-Power transformer, 100-125/200-2

38、50 volts, MODEL U-101 50-60 cycle (T1)14291Armature-Pickup armature 14826Volume Control-and power switch (R5, Si)11732Coil-Pickup coil (L14) OPERATING MECHANISM ASSEMBLIES 14292Damper-Pickupdamperassembly-comprisingone damper, one clamp and one screw MODEL U-103 14933Pickup and Arm complete 14199Bus

39、hing-Record separatorrotatingshaftbushing 3811Screw-Needle holding screw 14183Cam-Cam and gear assembly 6808Clutch-Trip lever friction clutch PICKUP AND ARM ASSEMBLIES 14197Finger-Friction finger assemblyMODEL U-103 14186Hub-Rotating hub and record separator complete with 14291Armature-Pickup armatu

40、re assembly set screw 4064Cable-Pickup liftcable 14189Lever-Locating lever assembly 11732Coil-Pickup coil (L14) 14184 14201 Lever-Main lever and link assembly Lever-Manual index lever assembly 14292Damper-Pickup damper block complete with clamp and 14193Lever-Pickup lift cable lever 14290 screw Pick

41、up and Arm complete 14194Lever-Pickup arm lever complete with set screws 3811Screw-Needle holding screw 14198Lever-Reject lever assembly 4387Screw-No.6 -32x* -in.headlesssetscrewforpickup 14185 14196 Lever-Trip lever and friction clutch assembly Pawl-Trip pawl assembly arm pivot shaft 4563 4059 Scre

42、w-Cable lever screw and two locknuts Screw-Trip lever clutch tension adjustment screw REPRODUCER ASSEMBLIES (RL63F-1) 14200Screw-No. 8-32 special hex head screw and lockwasher MODEL U-101 for record separator shaft mounting14358Board -3 -contact reproducer terminal board 14195Screw-No.10-32x5/16fill

43、ister-head,cone -pointedset13866Cap-Cone center dust cap screw for pickup arm lever12012Coil-Field coil (L13) 14188Screw-No. 10-32x7/16fillister-head,cone -pointedset11469Coil-Hum neutralizing coil (L12) screw for rotating hub12642Cone-Reproducer cone and dust cap (L11) 14187Shaft-Rotating shaft for

44、 record separator 5118Plug -3 -contact male plug for reproducer 3676Spring-Cam pawl tension spring14360Reproducer-Complete 3666Spring-Lift cable tension spring14358Screw-Screw, washer and lockwasher tohold corein 14190Spring-Locating lever pawl tension spring yoke 14191Spring-Locating lever or rejec

45、t lever tension spring14355Transformer-Output transformer (T2) 14192Spring-Main lever tension spring 14357Washer-Spring washer to hold fieldcoil MOTORBOARD ASSEMBLIES REPRODUCER ASSEMBLIES (RL70E-1) MODEL U-101 MODEL U-103 14803Brake-Turntable brake and motor switch 13868Cap-Dust cap for cone center

46、 14805Connector-I-contactmaleconnectorformotorand 14354Coil-Field coil(L13) switch leads 11469Coil-Hum neutralizing coil (L12) Cone-Reproducerdust 3261Rest-Pickup rest 12667cone andcap (L11) Plug -3 -contact male plug for reproducer 14235Screw-Motor mounting screw and washer 5118 30100Springs-Tensio

47、n springs for brake Stock No. 14803- 14395Reproducer-Complete comprising 1 long and 1 short spring 14358Screw-Screw, washer and lockwasher toholdcorein 14804Switch-Motor switch (S4)-located on turntable brake yoke Stock No. 14803 14355Transformer-Output transformer (T2) MOTORBOARD ASSEMBLIES 14357Wa

48、sher-Spring washer to holdfield coil MODEL U-103MISCELLANEOUS ASSEMBLIES 14208Bracket-Bumper bracket. and bumper complete11762Box-Needle box-for Model U-101 only 14209Bumper-Rubber bumper 4391Box-Needle box-for Model U-103 only 14830Cable-Shielded cable 13 -in.long complete with single contactmaleco

49、nnector - connectspickupshorting 14917Cable-Shielded pickup cable complete with female con - nector-compensator end switch to input transformer or compensator5107Capacitor-.0025 Mfd. (C50) 11704Damper-Turntable damper and damper plate13138Capacitor-.01 Mfd. (C30) 14212Escutcheon-Manual index lever and switch escutcheon4841Capacitor -0.1 Mfd. (C51, C52) 14203Post-Record post-located on front left hand corner of 14654Escutcheon-Station selector escutcheon and crystal motorboard12673Knob-Station selector, range switch, radio volume con - 14210Rest-Pickup arm rest