RCA-Victor-Co-Inc-45X11 电路原理图.pdf

《RCA-Victor-Co-Inc-45X11 电路原理图.pdf》由会员分享，可在线阅读，更多相关《RCA-Victor-Co-Inc-45X11 电路原理图.pdf（9页珍藏版）》请在收音机爱好者资料库上搜索。

1、MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Models 45X11, 45X12 Model 45X13 IZSA7 1st DET- osc I2SK7 I.F BOTTOM VIEW OF TUBE SOCKETS I2SQ7 2KC DET-AF-AVC. 50L6GT OUTPUT 收音机爱 好者资料库 RadioFans.CN Models 45X 45X11, 45X12 and Chassis .1/ode! -15_l-11 No. RC -459 L RC -459 2ND PROD. RC -459D 3RD PROD. RC

2、 -459T RC -459 RC -459D RC -459T PAGE 477-C 45X13 RC -459A RC -459E Five -Tube, Single -Band, AC -DC Superheterodyne Receivers 3/ode! 45 X -I _ Electrical and Mechanical Specifications FREQUENCY RANGE 540-1.600 kc Intermediate Frequency 455 kc A -C Rating D -C Rating POWER SUPPLY RATINGS Model 45X-1

3、3 105-125 volts, 50-60 cycles, 30 watts 105-125 volts, direct current, 30 watts TUBE COMPLEMENT ( 1 ) RCA -12S7 1st -Detector -Oscillator POWER OUTPUT (125 volt, 60 cycle supply) (2) RCA-12SK7 I -F Amplifier Undistorted 1.0 watts (3) RCA-12SQ7 2nd -Detector, 1st A- F, and A.V.C. Maximum 1.5 watts (4

4、) R(A-511L6GT. Power Output (5) RCA-35Z5GT Rectifier Dial Lamp (1) Mazda 51, 7.5 volts, .2 amp. Alignment Procedure LOUDSPEAKER Type 5 -inch Electrodynamic Output Meter Alignment-Connect the meter across the voice roil. mul turn t he receiver volume control to maximum. Test-Oscillator.-Connect the l

5、ow side of the test -oscillator to the ecei ver chassis, through a .01 mfd. capacitor, and keep the output as low as possible. Pre-Sett.ng D:al.-Cith gang condenser in full mesh, the pointer shold be adjusted so that pointer is vertical. Antenna.-The set is equipped with a built-in loop antenna. If

6、an outdoor antenna is used, it may be connected to the ANT terminal on rear of cabinet. It should not be longer than 100 feet, including lead-in. 1f it is longer, connect a 100 to 200 mmf. ca- pacitor in series with the lead-in. Power -Supply Polarity.-For operation on d -c, the power plug must be i

7、nserted in the outlet for correct polarity. If the set does not function, reverse the plug. On a -c, reversal of the plug may re- duce hunt. Steps Connect the high side of test- oscillator to- Tune test-osc. to- Turn radio dial to- Adjust the fol- I lowing for max. peak output- 1 12SK7 (I -F) in ser

8、ies with .01 mfd. 455 kc int t 600 kc at end of dial C8, C9 (2nd I -F trans.) 2 Tuning condenser stator (ant.) in series with .01 mfd. C6, C7 (1st I -F trans.) 3 Radiation loop consisting of two turns of wire 18 inches in diameter 1,600 kc Full clockwise . (out of mesh) C3 (oscillator) 4 1,400 kc Re

9、sonance on 1,400 kc signal Cl (antenna) Precautionary Lead Dress 1. Audio coupling capacitor to volume control must be dressed under the terminal board and down against the corner of the chassis. 2. The voice coil leads from the output transformer to the speaker must be dressed away from the termina

10、l on the terminal -board to which the above audio Coupling capacitor is connected. 3. The output tube bypass condenser must be dressed away from the 12S0.7 tube. A7ode! 45X (RC -459L). Oscillator Coil Connections: The oscillator coil in the 2nd production of these models is different from the 1st pr

11、oduc- tion. The correct connections are shown below. Note that when installing a No. 34443 coil, it is necessary to connect a jumper from the bot- tom lug No. 2 to the top lug No. 2. e BLANK O STOCK NO. 344.41 OSC. COIL USED IN FIRST PRODUCTION 45%11,12.13 (RC 459 AND 459 A ) C4 C4 STOCK NO. 355-79

12、OSC. COIL USED IN SECOND PRODUCTION 45x11,12,13 (RC459 D AND 459 e) RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. 收音机爱 好者资料库 RadioFans.CN PAGE 478-C 45x, 45X11, -12, -13, LOOP C LOOP I Z SA7 15T DET- OSC. 90 BLIIE 15TI.F.TRANS. 4SSMC 90V. r_ inv. 111 111 q yGREEN CG + d

13、1.1 # 107 iZ 12551(7 BOTTOM VIEW I.F 125Q7 of 2.DET-A AVC. TUBE SOCKETS 22.Ro0L cs w 01 . TT IA p gC3y 1C4 O o II I Z. TUBE ANO TRIMMER LOCATIONS QC3,05C. 1600 KC 1400 Ad GANG rONDENSERS RECT. PDET: WAV 1325GT I2997 Jw ! IF 125,7 S22 455 KC 2ODET., OUTPUT AF. A.VC. T 12307 Microphonic Howl: Vibratio

14、n of parts in the oscillator circuit may cause microphonic howl, which can be corrected by -the following: (a) See that the drive pulley does not touch the dial. (b) Squeeze in the rear of the gang condenser frame, in order to center the rotor plates within the stator. (c4 Loosen the tuning condense

15、r mounting screws slightly to ensure free floating of the gang. _L CIS T.OI MPS. BOTTOM Vow OF TUBE SOCKETS 125A7 ISTDET:05C C LER Q e Ei/i7- 90V. 1OV. RED LOOP CONNECTIONS JY Q BWE,24O65AN5.O r 4551+C 61V. wio 3 1TI ,GASEN C8#- AW BLACK R3 MMF aao VOLRCNTR RED R y z20000 Co 5OLE/GT OUTPUT RB 470,o0

16、0 T-93131-3 RC4S9,439A 4SK11, 44A1 E 45A 13 BLACK VCLLDVI FIELD RED 4000 BLUE T cf. BLACK SO RC -459, RC -459A MODELS 45X-11, -12, -13 Two changes have been made in 2nd Produc- tion: (a) C-13 is connected to the grid of the 12SQ7 instead of to the arm of the volume con- trol, to provide more effecti

17、ve I -F filtering. (b) Diode plate No. 1 is connected to chassis instead of to diode plate No. 2, to reduce residual hum RI 22,000 -WWr Cr.C3 0 i 12507 IF C12 .OS MFD AHT. MOD rC. L5 CI crie RECT. 1DET-osC. n 7 SECT tESA7 ! CA CT ass., IF 7- S5N7 2 /TA TEAMS C4 Ms. C9 1V SET. OUTPUT F/-AVC SO 6L 6T

18、128G 4 10p. FIELD 400+ MPS LT -1 R4 2.2 MEG. Rs sOCpoo STO. AT SOpoon C9 zlC SATAN O. VOL. CONTROL C VOLTAGES SHOULD HOLD WITHIN .20% WITH II, VOLT A -C SUPPLY. VALUES MARKED WITH ASTERISKS ARE OPERATING VOLTAGES IN CIRCUITS warn nIEM SERIES RESIST*MCE.TME ACTUAL MEASURED VOLTASES.WILL 1st LOWCR, DE

19、PENOING ON THE VOLTMETER LOADING. 45X11, 12, 13 (2nd Prod.) Circuit Revisions: (a) R15 eliminated and a connection made from CH direct to the 50L6GT grid. (b) Terminal DP1 (1st diode plate) of tube 12SQ7 (2nd Det.-A.F.-AVC) connected. direct to ground instead of t its, illus- trated connection. 125Q

20、7 2., DET-A F -AVC -4- CIS =MM. C14 DIS MFD. C23 330 MME 1 RT 220,000 RL 10 MEG. .005 D. SOLL GT OUTPUT 5.1V Rs 410,0000 T- 93180. S 45,11 (RC459D) 55056T REGT. 123 V. ( T! OS Lid. IDRCT 12 It as, 90 C17 cllt MFO ON ,025 45x130(RC4S9E MED. VOLTAGES SHOULD HOLD WITHIN t 20% WITH 117 V. A.C. SUPPLY. 4

21、t MEASURED WITH CHANALYST OR VO TOHMYBT. NOTF R M RI I U5EU. CII 1C13 l N iC ANA MOUNTED 0,TS1UE .n11 I.F TRANSF. TUDE L TRIMMER LOCATIONS RC -459D, RC -459E, RC -459L SWITCH ON V L. CONTROL 收音机爱 好者资料库 RadioFans.CN 479-C 45X, 45X11, -12, -13, 125K7 BOTTOM VIEW IQSQ7 lF TueEOSOCKETS Z*DET-AF-AVG. -J.

22、4/r0 RI 2E,000 LO 125A7 1S DET-OSC 90 LVe 1 I.fTRANS. ssnc v. OV. r III .-. - L _ REO -iGAN c7 euch TUBE ANC/ TRIMMER LOCATIONS LOOP CONNECTIONS OSC. uooKc Q.CiANT. oonc GANG CONDenKf Cae: as ?AV:, TEL. NS ,c SLACK RECT. 1nDEt-05c. 4iw I F me, 17,.*. V .V.0 c,1 7- 55a5.1 12SA7 125,7 SOLloGT 12557 /A

23、RLI L I SEC i 45S 2OI.F.TRANS ASPI KC 61v. III III GASEA 3555GT REGT ANT ROST C19 g0 MAD STOP AT 47.00CA C. .005 m Let, Ila.l ulAr 45X11B, 45X12B (RC -459T) 5OL6GT OUTPUT .0 r uo 5o INFO. vOi(p,?AL Replacement Parts Insist on genuine Factory -tested parts, which are readily identified and may be pur

24、chased From authorized dealers. STOCK No. RICA 1500 x1 Y.C. l J B.c. VOLTAGES SOOOAD ,OLD WITHIN 510% ANITA 117 VOLT AC SVN4T. VALUES MARKED VOTA ASTERISKS ARIA OPERATING VOLTAGES N ALLOTS T PISA Awls AEASNMA TAE ACTUAL MEASURILD VOLTAGES ANAL NE LOANER, DEPENOINO ON TOE VOLTMETER LOADI NO. DESCRIPT

25、ION STOCK No. DESCRIPTION 13057 12694 33584 4937 11315 30938 32787 38576 34443 35053 35057 32634 35063 35062 11765 35061 12071 32535 13998 12412 12264 12285 12679 13601 35059 35058 34449 31319 30585 35056 35054 35055 35065 CHASSIS ASSEMBLIES (RC -459) (RC -459A) Capacitor -68 mmfd. (C5) Capacitor -2

26、20 mmfd. (C11, C13) Capacitor-.005 mfd. (C14) Capacitor-.01 mfd. (C15, C16) Capacitor-.015 mfd. (C17) (RC -459A) Capacitor-.025 mfd. (C17) (RC -459) Capacitor-.05 mid: (C12) Capacitor -Electrolytic comprising 1 section of 20 mfd. and 1 section of 12 mfd. Coil-Oscillator coil Condenser-Variable tunin

27、g condenser less drive drum Control-Volume control and power switch Cord-Tuning condenser drive cord Drum-Tuning condenser drive drum Indicator-Station selector indicator Lamp-Dial lamp Loop-Antenna loop complete Resistor -120 ohms, watt (R13) Resistor -120 ohms, I watt (R9) Resistor -22,000 ohms, w

28、att (R1) Resistor -47,000 ohms, watt (R3) Resistcr-220,000 ohms, watt (R7) Resistor -470,000 ohms, watt (R8) Resistor -2.2 megohms, * watt (R4) Resistor -10 megohms, watt (R6) Scale-Dial scale Shaft-Tuning condenser drive shaft Socket-Dial lamp socket Socket-Tube socket Spring-Drive cord tension spr

29、ing Transformer-Output transformer Transformer -1st I.F. transformer Transformer -2nd I.F. transformer SPEAKER ASSEMBLIES (39223-2) Cone-Cone complete with voice coil 32907 35066 34450 35068 35070 35072 35079 35067 35069 35078 35071 30863 30900 SPEAKER ASSEMBLIES (RL 86-2) Cap-Dust cap Cone-Cone com

30、plete with voice coil Speaker -5 -inch dynamic speaker complete with cone and voice coil less output transformer MISCELLANEOUS ASSEMBLIES Back-Cabinet back for Model 45X11 Back-Cabinet back for Model 45X12 Back-Cabinet back for Model 45X13 Crystal-Dial scale crystal for Models 45X11, 45X12 Crystal-D

31、ial scale crystal for Model 45X13. Fastener -1 set Push Fastener for crystal on Models 45X11, 45X12 Knob-Light mahogany tuning or volume control knob for Model 45X11 Knob-Ivory tuning or volume control knob Model 45X12 Knob-Walnut tuning or volume control knob Model 45X13 Spring-Retaining spring for

32、 knobs Stock No. 30863, 35071 and 35078 Additional Replacement Parts: Stock No. 33317 Fastener-Push fastener for cabinet hack (45X-11, 45X-12) 31.393 Plate-Dial scale mounting plate 11909 Spring-Spring and fibre washer to take up play in drive shaft PAr.jF 480-C 45x, 115x11, -12, -13, Replacement Pa

33、rts Insist on genuine factory -tested parts, which are readily identified and may be purchased from authorized dealers. STOCK DESCRIPTION STOCK O K DESCRIPTION ASSEMBLIES Model 45X-11, RC -459D MODEL 45X, RC -459L Model 45X-12, RC -459D Technical Information and Service Data: Model 45X-13, RC -459E

34、Model 45X (RC -459L) is similar to 2nd 35097 Can-Shield can for I -F transformers, Stock Nos. 35346, 35347 production Model 45X-13 (RC -459E), except for the following replacement parts used in 12694 Capacitor -220 mmfd. (C11, C13) Model 45X: 33584 Capacitor-.005 mfd. (C16) 4937 Capacitor-.01 mfd. (

35、C15) 11315 Capacitor-.015 mfd. (C14) (C17 for Model 35072 Back-Cabinet back 45X-13) 35912 Dial-Dial scale, 45X 30938 Capacitor-.025 mfd. (C17 for Models 45X-11, 45X-12) 35067 Escutcheon - Dial scale escutcheon and crystal 32787 Capacitor-.O5 mfd. (Cl2, C18) 30863 Knob-Walnut tuning or volume con 353

36、48 Capacitor-Electrolytic, comprising 1 section of trol knob 30 mfd. and 1 section of 20 mfd. (C19, C20). 30900 Spring-Retaining spring for knob, 35579 Coil-Oscillator coil Stock No. 30863 35534 Condenser-Variable tuning condenser 117239 Spring-Spring and fibre washer to 35344 Control-Volume control

37、 and power switch up play on drive shaft 32634 Cord-Tuning condenser drive cord Strvice Data for the 2nd production Models 35059 Dial-Dial scale 45X-11, -12, -13 (RC -459D and RC -459E) 35063 Drum-Tuning condenser drive drum applies to Model 45X. 35062 Indicator-Station selector indicator 11765 Lamp

38、-Dial lamp 35061 14439 Loop-Antenna loop complete Resistor -100 ohms, watt (R13) (45X-13) MODELS 45X -11B , -12 B 35993 30189 Plate-Dial scale mounting plate Resistor -120 ohms, 4 watt 4129) RC -459T 13428 13998 Resistor -150 ohms, watt (R13) (45X-11, -12) Resistor -22,000 ohms, watt (R1). CHASSIS A

39、SSEMBLIES 13715 12264 12285 12679 13601 3534l 35345 31251 31418 35098 35346 Resistor -68,000 ohms, watt (R15) Resistor -220,000 ohms, I watt (R7) - Resistor -470,000 ohms, watt (R8) Resistor -2.2 meg., watt (R4) Resistor -10 meg., watt (R6) Shaft-Tuning condenser drive shaft Socket-Dial lamp socket

40、Socket-Tube socket Spring-Drive cord spring Spring-Spring to hold I -F transformers in can Transformer-First I -F transformer-less shield 12952 33584 4937 11315 30938 32787 36301 35579 35534 Capacitor -330 mmfd., moulded Capacitor-.005 mfd., 1200 volts, tubular Capacitor-.01 mfd., 1000 volts, tubula

41、r Capacitor-.015 mfd., 400 volts, tubular Capacitor-.025 mfd., 400 volts, tubular Capacitor-.05 mfd., 400 volts, tubular Capacitor-Electrolytic, comprising 1 section of 30 mfd. and 1 section of 50 mfd. Coil-Oscillator Coil Condenser-Variable Tuning Condenser 35347 Cart Transformer-Second I -F transf

42、ormer-less shield n 36344 32634 11785 Control-Volume Control and Power Switch. Cord-Tuning Condenser Drive Cord Lamp-Dial Lampc 35056 Transformer-Output transformer 37366 Loop-Antenna Loop Complete 34373 Washer-C washer for tuning shaft 35993 Plate-Dial Scale Mounting Plate 35062 Pointer-Scale Point

43、er SPEAKER ASSEMBLIES 32535 Resistor -120 ohms, watt, Flexible Resistor (39223-502) 3153 Resistor -1500 ohms, 1 watt 35065 Cone-Cone complete with voice coil 13998 Resistor -22,000 ohms, watt 12264 Resistor -220,000 ohms, watt SPEAKER ASSEMBLIES 30648 Resistor -470,000 ohms, watt (RL86-2) 12679 Resi

44、stor -2.2 meg., * watt 32907 Cap-Dust cap 30992 Resistor -10 meg., * watt 35066 Cone-Cone complete with voice coil 35059 Scale-Dial Scale 34450 Speaker -5 -inch dynamic speaker complete with 35343 Shaft-Tuning Condenser Drive Shaft cone and voice coil-less output transformer. 35332 Shield-Shield Can

45、 for Stock No. 37364 35345 Socket-Dial Lamp Socket MISCELLANEOUS ASSEMBLIES 31319 Socket-Tube Socket, 8 Pin Moulded with Metal Plate 35068 35070 35072 Back-Cabinet back for Model 45X-11. . Back-Cabinet back for Model 45X-12 Back-Cabinet 31261 31418 Socket-Tube Socket, 8 Pin Wafer Type Spring-Drive C

46、ord Tension Spring 35079 back for Model 45X-13 Escutcheon-Dial scale escutcheon and crystal for Models 45X-11. 45X-12 34373 3623i 37364 Washer-C Washer for Drive Shaft Transformer-First I.F. Transformer Transformer-Second I.F. Transformer 35067 Escutcheon-Dial scale escutcheon and crystal for Model

47、45X-13 35886 Transformer-Output Transformer 33317 Fastener-Push-on fastener for cabinet back for SPEAKER ASSEMBLIES Models 45X-11, 45X-12 RL 81B2 35069 Fastener-Push-on fastener for crystal for Mod- els 45X-11, 45X-12 35570 Cone-Cone Complete with Voice Coil 35071 Knob-Ivory tuning or volume control knob for Model 45X-12 37612 permanent magnet speaker corn - Sp plete plete with cone and voice coil-less output 35078 30863 Knob-Light mahogany tuning or volume con- trol knob for Model 45X-11