RCA-Victor-Co-Inc-9X 电路原理图.pdf

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1、PAGE 248-C MODEL 9X Series Chassis No. RC -350 & RC -350A Four -Tube, Single -Band, AC -DC, T -R -F Receiver Model 9X Model 9X6, wood, walnut. Model 9X1- Model 9X11, catalin, Brazilian onyx, green. Model 9X2- Model 9X12, catalin, jet black. Model 9X3- Model 9X13, catalin, Arizona onyx, cream. Model

2、9X4- Model 9X14, catalin, burl onyx, brown. Electrical and Mechanical Specifications frequency Range 540-1,760 kc Alignment Frequency 1,760 kc (ant., det.) RCA TUBE COMPLEMENT (1) RCA -6K7 R -F Amp. (2) RCA -6J7 Detector (3) RCA -25L6 Output (4) RCA -25Z6 Rectifier Dial Lamp Mazda No. 40, 6.3 volts,

3、 .15 amps. POWER SUPPLY RATINGS A -C Rating 105-125 volts, 50-60 cycles, 50 watts D -C Rating 105-125 volts, 50 watts POWER OUTPUT (125 -volt, 60 -cycle supply) Undistorted 1.0 watt Maximum 1.5 watts LOUDSPEAKER Type 3 -inch Electrodynamic Voice -Coil Impedance 3 ohms at 400 cycles MODELS 9X, 9X1, -

4、 2, - 3, - (Rc-350) Replacement Parts STOCK No. DESCRIPTION 30883 14393 4870 30882 30965 31323 31316 30876 31321 31320 31314 31315 4340 31193 13428 12285 13730 12679 13601 4387 31318 31319 31317 31322 31325 31324 31326 31204 30900 31915. 31914 31204 RECEIVER ASSEMBLIES Capacitor -300 mmfd. (C9) Capa

5、citor -.01 mfd. (C1, C8, C10, C11) Capacitor -.025 mfd. (C7) Capacitor -.05 mfd. (C4) Capacitor -0.25 mfd. (C12) Capacitor -16 mfd. (C13, C14) Coil -Antenna coil (L1, L2) Coil -Detector coil (L3, L4) Condenser -2 -gang variable tuning condenser (C2, C3, C5, C6) Cord -Resistance power cord (R7) Dial

6、-Station selector dial scale Drum -Station selector dial scale drum -less scale Lamp -Dial lamp Lead -Antenna lead-approx. 25 ft. long Resistor -150 ohms, watt (R6) Resistor -470,000 ohms. 4 watt (R4) Resistor -1 Meg., watt (Xo, Resistor -2.2 Meg., watt (R3) Resistor -10 Meg., I watt (R2) Screw -No.

7、 6-32 headless set screw for drum Stock No. 31315 Socket -Dial lamp socket Socket-Radiotron socket Transformer -Output transformer (T1) Volume control and power switch (R1, S1) SPEAKER ASSEMBLIES (86309-1) Cone -Speaker cone and voice coil (L5) Speaker -Complete MISCELLANEOUS ASSEMBLIES Escutcheon -

8、Station selector dial escutcheon. Knob -Station selector, or volume control knob Spring -Retaining spring for knob, Stock No 31204 Escutcheon -Dial escutcheon (9X1, 9X2, 9X3, 9X4 only) Knob -Tuning or volume knob (9X2, 9X3 only) Knob -Tuning or volume knob (9X, 9X1 9X4 onl) Alignment Procedure Reel

9、up the antenna wire, and keep it away from chassis during alignment. Connect the high side of test -oscillator through an 80 mmfd. capacitor to the antenna terminal. Connect low side of oscil- lator to receiver chassis through a 0.1 mfd. capacitor. Turn gang condenser to minimum (full out), tune osc

10、illator to 1,760 kc, con- nect an output meter across the voice coil, and turn volume control to maximum. Adjust the two trimmers (C3 and C6) on side of gang conaenser for maximum output, using lowest possible output from test-oscilator. Pre-setting Dial. -With gang condenser rotor plates turned ful

11、l in for maximum capacity, loosen dial -drum set -screw, and turn drum so that the top edge of dial (low -frequency end) is approximately 1/16 -in, below level of gang frame, and tighten set -screw. MODELS 9X6, - II, - 12, - 13, - 14 (Rc-350A) Replacement Parts STOCK N o. DESCRIPTION 14392 30883 143

12、93 4870 30882 30899 12484 31323 30875 32027 31321 32030 31314 31315 4340 31193 32028 13428 13734 12285 13730 12679 13601 4387 31318 31319 32029 32026 31325 32025 31326 31915 31914 31204 30900 RECEIVER ASSEMBLIES Capacitor -4.7 mmfd. (C17) Capacitor -300 mmfd. (C9) Capacitor -.01 mfd. (C15) Capacitor

13、 -.025 mfd. (C7) Capacitor -.05 mfd. (C4) Capacitor -0.1 mfd. (C12) Capacitor -0.25 mfd. (C16) Capacitor -16 mfd. (C13, C14) Coil -Antenna coil (L1, L2) Coil -R -f coil (L3, L4) Condenser -2 -gang variable tuning condenser (C2, C3, C5, C6) Cord -Resistance power cord (R7) Dial -Station selector dial

14、 scale Drum -Station selector dial scale drum -less scale Lamp -Dial lamp Lead -Antenna lead -approximately 25 ft. long. Resistor -25 ohms, 3 watts, wire wound (RS) . Resistor -150 ohms, I watt (R6) Resistor -120,000 ohms, watt (R9) Resistor -470,000 ohms, I watt (R4) Resistor -1 meg., watt (R5) Res

15、istor -2.2 meg., watt (R3) Resistor -10 meg., watt (R2) Screw -No. 6-32 headless set screw for drum, Stock No. 31315 Socket -Dial lamp socket Socket -Tube socket Transformer -Output transformer (T1) . Volume control and power switch (R1, SI). SPEAKER ASSEMBLIES (86309-2) Cone -Speaker cone and voice

16、 coil (L5) Speaker complete MISCELLANEOUS ASSEMBLIES Escutcheon -Station selector dial escutcheon - Model 9X6 Escutcheon -Station selector dial escutcheon - Models 9X11, 9X12, 9X13 and 9X14 only Knob -Station selector or volume control knob -Models 9X12 and 9X13 only Knob -Station selector or volume

17、 control knob -Modes 0X6, 9X11 and 9X14 only Spring -Retaining spring for knob 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 249-C 9X SERIES Precautionary Lead Dress 1. Dress detector grid lead close to top of speaker chassis. 2. Dress lead

18、from grid of 6K7 to gang condenser away from detector section of gang, and clear of rotor plates. 3. Dress speaker leads close to, but not touching, cone. 4. Dress pilot lamp leads close to top of chassis, and clear of rotor. C1, .01 x MFD. t ANT. COIL LI VOL. 60n. 5n CONTR. 32 CHASSIS 50,000n - TOT

19、AL 51 (ON VOL. CONTR.j C12,. 0.25 MFD. BROWN RED C2 12-400 MMF C3 3-15 MMF. 200n - SECT. _ 6K7 R. F. SUP BOTTOM VIEW OF TUEE SOCKETS C5 12-400 M M F. PET s COILL qlTy3 L54k 90nq1 r O 2 4V STOP l C4 05 = MFD. IC7 .025 = MFD. 25 -Cycle Operation For 25 -cycle operation, connect a 16 mfd., 150 -volt dr

20、y electrolytic capacitor (Stock No. 31323) in parallel to C13. SUP C5 3-15 MMF. R2 R3 2.2 M EG. 6J7 DE T. i 1 / 2 C 1 0 .01 MFD. CB -, .01 MFD. 1 R4 110,000n. R6) 150n 25L6 OUTPUT C9 300 MMF. L5 Tl R5 3 HUM NEUT 1MEG. o COIL w L6 YELLOW BLACK C13 FIELD 16 = L7 -400n MFD. C14 16 MFD. .r 25Z6 RECT. DI

21、AL LAMP YELLOW (IN POWERT CORO uu C3 -ANT 1160 KC C6-DET. 116014C ANTENNA IrgJ J. ImEn1Iemzo1 R F C RECT. OUTPUT DUI-. 6K7 CD o DET. COIL Ce 5P 9 WHITE R7 R6 11 5n 25n Figure 2-Schematic Circuit Diagram 9X M- 8630B-1 9X, 9X1, - 2, - 3, - 4 L1 3 /L2 ANT. COIL 2 L2 L1 GREEN CATHODE CURRENTS C 0. 45MA.

22、 (VOL.CONTR.MIN.) 1,10. 3 MA.(VOL.CONTR.MAX.) O. 17 MA. 44. 0 MA. TOTAL RECTIFIED B CURRENT 54.5 MA. D ET. 6J7, 6 - V. .3 A.0 SN = I _Cg C10 (12V*) (40V.) 0.5V. 2V. R4 C13 + OUTPUT / 25L6 tir,7V. 7-17- 25V. 1!0 A.C. o O V. o I05V. 3 Fa5 5 E ANRMT. T. 1 Ri VOLUME CONTROL TO GANG COND. CO -C 3 DIAL .1

23、1 3 Y2 1 TO LAMP R ECT. 25Z6 25V sr A.C. L - 125V. 117V. A.C. 98V. C11 RED WHITE - CI R.F. C14 6K7 2V.(VOL.MAX.)1 + 15V.(VOL.MIN.) 3 . rpC.G. uv 1( 105V1gV I SN L_ 6.3V. - _J A.C. 9X RCA P-84309-0 * Note: Values with (*) are operating voltages. Values not starred are actual measured voltages. Measur

24、ements made to chassis unless otherwise indicated. Measurements made with set tuned to quiet point, volume control at minimum, using 1,000 -ohm -per -volt meter, having ranges of 10, BOTTOM VIEW- REAR OF CHASSIS -POWER Figure S-Radiotron Socket Voltages, and Location of Parts CORD 50, and 250 volts.

25、 (Use nearest range above the specified measured voltage.) Values should hold within approximately 20% for 117 -volt 60 cycle a -c supply. On d -c, voltages are approximately 10% lower, except heaters, which remain the same. 收音机爱 好者资料库 RadioFans.CN PAGE 250-C 9x SERIES Precautionary Lead Dress 1. Dr

26、ess green lead frotn antenna coil to gang up from speaker chassis. 2. Green lead from gang to grid of 6J7 must be dressed down and away from top of bracket, and centered in gang section. 3. Green lead from detector coil to gang must be dressed under pilot lamp bracket: Any excess wire should be pull

27、ed through to under side of chassis. 4. Pilot lamp leads must be dressed clear of gang rotor. 5. Magnetite core in detector coil must not be in contact with base or mounting screw. Cl .01 MFD. C2 12-400 MMF. ANT. EDIlam- 1RNS 6K7 R.F -sup 7- C3 1 3-15 MMF. too. SECT Lt L2 VOL. 6, sst CON_TR, R1- 50,

28、000 2 TOTAL C91 R9 BOTTOM VIEW OF TUBE SOCKETS DET. COIL, L3 lost A 3 / STOP OS TMFD. C17 C5 4.7 12-400 MMF. MMF. . C7 - .025 MFD. Power -Supply Polarity.-For operation on d -c, the power plug must be inserted in the outlet for correct polarity. If the set does not function, reverse the plug. On a -

29、c, reversal of the plug may reduce hdm. Antenna.-The set is equipped with a 25 -foot antenna. Do not connect the antenna to ground. If an outdoor antenna is used, it should not be longer than 100 feet, including lead-in. If it is longer, connect a 100 to 200 mmfd. capacitor in series with the lead-i

30、n. 25 -Cycle Operation For 25 -cycle operation, connect a 16 mfd., 150 -volt dry electrolytic capacitor (Stock No. 31323) in parallel to C13. CG 3-15 MMF. R2 10 MEG. z R3. 2.2 MEG. 6J7 DET. C10 - .01MFD. C8 01 MFD. 25L6 OUTPUT R6 150 C9 300 / MMF. RS 1 MEG. .0 MFD. 120,000 C16 I /p / O. M25 51 ON VO

31、I. CONTROL C Cla 0.1 MFD. BLACK C13 16 MFD. 1I FIELD L7 400. YELLOW C14 16 MFD. R4 470,000 / i II 01 MFD. T1 L5 2.7.a C V u O 1 150? / HUM NEUT. COIL L6 r RC- 350-A M-86458-4 25Z6 RECT. 25 a /RED R8 -DIAL LAMP -RED DOT YELLOW YELLOW DOT.- BLACKZ e t CHASSIS y SYMBOL arm BALLAST RESISTOR R1- 175 -Sch

32、ematic Circuit Diagram 9X6, - 11, - 12, - 13, - IW 6K7 R.F. /15V. (VOL. MIN.) ) 105V. 1051/. CATHODE CURRENTS 6K7-_ 0.5 M. (VOL -MIN.) 1o.3 M.A.(VOL. MAX.) 6.17 0.2 M.A. 25L6 44 M.A. TOTAL RECT. B- 54 M.A. TO ANT. COIL 7V. 25L6 - OUTPUT i760KC IT6OKC OCT 611 e 3 34 Fi3 OUTPUT RELY 2516 661 R1 VOLUME

33、 CONTROL TO POWER CORD BOTTOM VIEW - REAR OF CHASSIS R -F Wiring Diagram and Socket Voltages * Note: Values with (*) are operating voltages. Values not starred are actual measured voltages. Measurements made to common negative line, unless otherwise specified. Measurements made with set tuned to qui

34、et point, volume control at minimum, using 1,000 -ohm -per -volt meter, having ranges of 10, P- 84420 RC- 350-A 50, and 250 volts. (Use nearest range above the specified measure voltage.) Values should hold within approximately 20% for 117 -volt 60 - cycle a -c supply. On d -c, voltages are approximately 10% lower, except heaters, which remain the same. 收音机爱 好者资料库 RadioFans.CN