RCA-Victor-Co-Inc-45X1 电路原理图.pdf

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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 TURE COMPLEMENT (1) RCA-12SA7. 1st -Detector -Oscillator (2) RCA-12SK7 I -F Amplifier (3) RCA-12SQ7 2nd -D

2、etector, 1st A -F, and A.V.C. (4) RCA50L6GT Power Output (5) RCA-35Z5GT Half -Wave Rectifier Dial Lamp (1) Mazda 51, 7.5 volts, 0.2 amp. Alignment Procedure Output M eter Alignment.-rmincet the mrtte acn,a the voire coil, and turn the 1-c.riser c.,lumr control tu maximum. Test-Oscillator.-Connect th

3、e lute side of the test osciilatur tu the receiver chassis, through a .01 ntld. capacitor. and keep the output as low as possible. Power -Supply Polarity.-For operation . n d -c, the power plug must be inserted in the outlet for correct p, da rit r- It the set doe; not function, reverse the plug. On

4、 a -c, rescesal of the plug may reduce hum. PAGF. 481-C Models 45X1, 45X2, 45X3, 45X4 Chassis No. R C- 4 5 7 RC -457E 2ND PROD. RC -457A AND RADIOLA 500 510- C17 O PA a U w 2+LACIL CRAW. al01MD de twit. 17 77/4. .e 410-7-E SQ7 TRMp455. / 1,LP TRAN n O4 s1 TUB LOCATIONS AND ALIGNMENT SCREW POSITIONS

5、tr. 501459 3613417 4X BOTTOM VIEW OF TUBE SOCIO ETS o ANT. 0 COIL 64 Cn CIS 12 10 X -414- 0.4 X - 1005 125A7 IST - VET Q05C 90V. BEVO 90v tPT.I.F. TRANS 4e KC r - = 16ReeR 1 C15 -t* g r I-13-4 I 4M/- f 9V. (600 KC.) 2E,00 Rt o w % 11V. (WOO KC.) o C14 6A IAC 0 .- SLACK 7V. 125K7 IF. GR4CL Cie OUTPUT

6、 50LloGT a C6 6 I ztD q3 2TP.O00 ,7,00 VOL.CNTR R4 1.1044 C9 C4 I f II I O.1D,L L20. NNE. 35 Z 5GT - RECT. -I- 0.4 X -7-1- C17 RED CS MFD R5- 10 H49. 24 X R 22qOOC 125 Q7 2,0 PET -AF -PVC 65V. 5N0 IF. TRAMS 455 KC. BLACK C3 220 MMF LMAA0 L.R R CIO CI e e /2s 12557 OOC. COL RF 1500 NC (71 oCR ILA7 05

7、e,2o XtXtl l 1R2.F TRAI13. CIS CO 405515 TUBE LOCATIONS L ALIGNMENT SCREW POSITIONS C16 VO L. CON TROL 500,000 50,000 STOP R4 2.2 MEG. C9 0.1 IMFD. CS MF0 -14 V. AT 0.2V. INPUT 70 ANT. t50, ,2 RS 10 ME6. 410000 T-39319-2 RC- 457 45K1,450L 90V. 10 MFD RED V NOTE- 50770M VIEW OF TUSE SOCKETS SHOWN. NO

8、TE: -VOLTAGES SHOP 1-1 HOLD WITHIN Z,201. WITH 117 VOLT A.C. SUPPLY. 45X1 8 2 1ST PROD. RC -457 50 L6 ST OUTPUT 5 e DUMMY TERM. TD ANT. A CI O VOLTAGES SHOULD HOLD WITHIN 2 20. WITH 117 V. A.C. SUPPLY. * MCA5U1M1 it WITH CHANALYST OR VOLTOIIMYST. 45X-1, 45X-2 Changes in 2nd Production: The AVC filte

9、r resistor R4 is changed front 2.2 to 3.3 megs., Stock No. 12928. The output tube bias resistor, R8, is- changed from 150 to 120 ohms, Stock No. 30189. 35H5GT RECT. II OS CO r47 O. DIAL LAMP T. 95174 45 XI (RC 457A) 5PEAKER FIELD J-J066o ReD r CfH F Lm,IBLUE O T MFG. trig- 12 BLACK 5oL 149 10507 0NA

10、7 12507 4 2 5 SWITCH ON - VOL. CONTROL I APPROX. GAIN DATA U51n& RCA RIDER CHANALYST. S.e. 45X1 45X2 2 ND PROD RC -457A 45X3,-4 RC -457 E RADIOLA 500, 501 RC -484 收音机爱 好者资料库 RadioFans.CN PAGE 483-C 45X -I, -2, -3, -4, RADIOLA 500, 501 .ter. .,. Insist on genuine factory -tested parts, which are read

11、ily identified and may be purchased from authorised dealers. STNo.OCK DESCRIPTION STOCKNo DESCRIPTION MODELS 45X-1, 45X-2 MODELS 45X3, 45X4 (RC -457) CHASSIS ASSEMBLIES CHASSIS ASSEMBLIES (RC -457E) 13057 Capacitor -68 mmfd. (C2) 12694 Capacitor -220 mmfd. 12694 Capacitor -220 mmfd. (C3, C4) 33584 C

12、apacitor-.005 mfd. 33584 Capacitor-.005 mfd. (C1, C5) 4870 Capacitor-.025 mfd. 4937 Capacitor-.01 mfd. (C6) 32787 Capacitor-.05 mfd. 30856 Capacitor-.015 mfd. (C7) 4839 Capacitor -0.1 mfd. 32787 Capacitor-.05 mfd. (C8) 32576 Capacitor-Electrolytic comprising 1 section of 4839 Capacitor -0.1 mfd. (C9

13、) 20 mfd., and 1 section of 12 aid 32576 Capacitor-Electrolytic comprising 1 section of 35115 Coil-Antenna coil 20 mfd and 1 section of 12 mfd 35333 Coil-Oscillator coil 35115 Coil-Antenna coil 35977 Condenser-Variable tuning condenser 35118 Coil-Oscillator coil 35979 Control-Volume control and powe

14、r switch. 34843 Condenser-Variable tuning condenser 32634 Cord-Drive cord 35113 Control-Volume control and power switch. 35982 Dial-Dial scale 32834 Cord-Drive cord 35980 Indicator-Station selector indicator 35117 Drum-Tuning condenser drive drum 11765 Lamp-D:al lamp 11765 Lamp-Dial lamp 31193 Lead-

15、Antenna lead 31193 Lead-Antenna lead 35981 Plate-Dial plate-less dial 14439 Resistor -100 ohms, 4 watt (R2) 30880 Resistor -150 ohms, watt 30880 Resistor -150 ohms, watt (R8) 13998 Resistor -22,000 ohms, watt 13998 Resistor -22,000 ohms, watt (R1) 12454 Resistor -33,000 ohms, i watt 12412 Resistor -

16、47,000 ohms, watt (R3) 12264 Resistor -220,000 ohms, watt 12264 Resistor -220,000 ohms, watt (R6) 12285 Resistor -470,000 ohms, watt 12285 Resistor -470,000 ohms, watt (R7) 12679 Resistor -2.2 meg., watt 12679 Resistor -2.2 megohms, i watt (R4) 13651 Resistor -10 meg., I watt 13601 Resistor -10 mego

17、hms, * watt (R5) 35978 Shaft-Tuning shaft 33305 Shaft-Condenser drive shaft 35332 Shield-Shield for first I -F transformer 35118 Shield-Shield can for I.F. transformer Stock No. 35345 Socket-Dial lamp socket 35114 31251 Socket-Tube socket 32969 31319 Socket-Dial lamp socket Socket-Tube socket 30585

18、35098 Spring-Drive cord spring Spring-Spring to hold I -F transformer in shield 30585 34846 35114 33301 Spring-Drive cord tension spring Transformer-Audio transformer Transformer -1st I.F. transformer Transformer -2nd I.F. transformer 34846 35331 33301 34373 can Transformer-Audio transformer Transfo

19、rmer-First I -F transformer-less shield Transformer-Second I -F transformer Washer-C washer for tuning shaft Additional Replacement Parts: Stock No. MISCELLANEOUS ASSEMBLIES 12454 Resistor -33,000 ohms, watt (R9) 36017 Back-Cabinet back-Model 45X3 31251 Socket-Tube socket 36018 Back-Cabinet back-Mod

20、el 45X4 11909 Spring-Spring and fibre washer to 35983 Bezel-Dial scale bezel and crystal take up play in drive shaft 35121 Knob-Walnut volume control or tuning knob. 35126 Spring-Retaining spring for knob Stock No. CHASSIS ASSEMBLIES 35121 (RC -457A) 35332 Can-I.F. transformer shield can CHASSIS ASS

21、EMBLIES 12694 Capacitor -220 mmfd. (C3) Radiola 500 (RC -464) 33584 4870 Capacitor-.005 mfd. (Cl, C5, C6) Capacitor-.025 mfd. (C7) Radiola 501 (RC -464) 32787 Capacitor-.05 mfd. (C8) 4839 Capacitor -0.1 mfd. (C9) SAME AS RC457A 32576 Capacitor-Electrolytic, comprising 1 section of 35115 20 mfd. and

22、1 section of 12 mfd. Coil-Antenna coil EXCEPT 35333 Coil-Oscillator coil 34843 Condenser -Variable tuning condenser 38783 Drum - Indicator drive drum 35330 Control-Volume control and power switch 32634 Cord-Drive cord 35117 Drum-Tuning condenser drive drum MISCELLANEOUS ASSEMBLIES 11765 Lamp-Dial la

23、mp Radiola 500 31193 Lead-Antenna lead 30880 Resistor -150 ohms, 3 watt (R8) 37154 Back-Cabinet back 13998 Resistor -22,000 ohms, watt (R1) 36784 Dial-Dial scale 12454 Resistor -33,000 ohms, watt (R9) 33317 Fastener-Push fastener to hold cabinet 12264 Resistor -220,000 ohms, watt (R6) 34016 Knob-Vol

24、ume control or tuning knob 12285 Resistor -470,000 ohms, watt (R7) 35126 Spring-Retaining spring for knob, Stock No. 12679 13601 Resistor -2.2 meg., watt (R4) Resistor -10 meg., 4 watt (R5) 34016 35329 Shaft-Tuning condenser drive shaft 35334 Socket-Dial lamp socket MISCELLANEOUS ASSEMBLIES 31251 So

25、cket-Tubs socket Radiola 501 30585 Spring-Drive cord tension spring 35098 Spring-Spring necessary to hold I.F. trans- 37155 Back-Cabinet back former in can 36784 Dial-Dial scale 34846 Transformer-Audio transformer 33317 Fastener-Push fastener to hold cabinet 35331 Transformer-First i.f. transformer-

26、less shield 36670 Knob-Volume control or tuning knob can 35126 Spring-Retaining spring for knob 33301 Transformer-Second i.f. transformer 34373 Washer-C washer for drive shaft MISCELLANEOUS ASSEMBLIES 35122 Back-Cabinet back for Model 45X1 ALL MODELS 35125 Back-Cabinet back for Model 45X2 35124 Dial

27、-Glass dial scale SPEAKER ASSEMBLIES 33317 Fastener-Push fastener to hold cabinet (39105-505) 35123 Knob-Ivory tuning or volume control knob for 35121 Model 45X2 Knob-Walnut tuning or volume control knob for Model 45X1 35120- 35119 Cone-Cone complete with voice coil Speaker -4 -inch dynamic speaker complete with cone and voice coil 35126 Spring-Retaining spring for knobs, Stock Nos 35121 and 35123