RCA-Victor-Co-Inc-R-53-B 电路原理图.pdf

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1、PAGE295-a MODELS R 51B & R53B V i Ufa.a. 2, .A. 10 -Tube Battery -Operated Superheterodyne Receivers Total A Battery Current 0 6 Ampere Aee B It a Current 1R M. A. T pe end Nuinlier of Rdiotrons 7 RCA.230, 3 RCA234-Total. 10 Undistorted Output 1 6 Watt, *Kt nnra Zeiar INTERNA. CONNECTIONS Or 1st& ts

2、o.I Tmarisreitnues INTERNAL CONNECTIONS Of OUTPUT TRANSFORMER ,47te 1Vr Vs- /4 .451 JC /t A1 1 7:11%,: / cn t 054 -Schematic Circuit TI-e,. -Kt*, RED 11 tVOrikll Ras - IA tr. 5160 RESISTOR BOARD CORR. INTERNAL CONNECTIONS -rt.nrs t+. T aos .soNoss INTERNAL CONNECTIONS Or DRIVER TitAtiSfORNEROF iNTER

3、STRAI TRANSFORMER OUT SO RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. if 收音机爱 好者资料库 RadioFans.CN PAGE 296-B R51B & R53B Alignment Procedure With tuning condenser fully meshed, set dial so that end calibration coincides with pointer. STEP CONNECT HIGH SIDE OF TEST OSC.

4、TO - TUITE TEST OSC TO - TURN RADIO DIAL TO ADJUST THE FOLLOWING FOR MAX. OUTPUT I -F Grid In series with .01 mfd 175 kc Quiet Point near 600 kc S & P of 2nd I -F Trans. 2 1st De t . Grid in series with .01 mfd S & P of 1st I -F Trans. 3 Antenna In series with 20C mmfd 1400 kc1400 kc Osc., Det. and

5、R -F Trimmers on gang condenser 4600 kc600 kc 900 kc Oscilla- tor Trimmer (Rock Tang) 5Repeat Step 3 RADIOTRON SOCKET VOLTAGES New A and B Batteries -No Signal Received Radlotroo No. Control Grid to Filament Volts Screen Grid to Filament Volts Piste to Filament Volta Plate Current M. A. Filament Vol

6、ts R. F. -RCA -2342.065.0 157.53.02.15 Oscillstor-MCA-230- 65.04.02.15 First Detector -RCA -2345.0 6S 0157.5 1.02.15 I. F. -RCA -2742.0 65.0157.53.0 2.15 Second Detector -RCA -2300- -2.002.15 First A F. -RCA -23010.5- 130.01.252.15 Driver AF. -RCA -23013.5- 150.01.52.15 Driver A. F. -RCA -23013.5- 1

7、50.01.52.15 Power -RCA -23013.5- 150.01.5 2.15 Power- RCA 43013.5- 150.01.52 IS REPLACEMENT PARTS Insist on genuine Factory tested parts, which are readily identified and may be purchased From authorized dealers Stock No. DESCRIPTION ListStock No. DESCRIPTION List RECEIVER ASSEMBLIES 6176Escutcheon

8、-Operating switch escutcheon -Package of 5. 2747 3003 Cap -Contact cap -Package of 5. Coshintr-Sponge rubber chassis support cushion -Pack- age of 4 6186 6192 Resistor -500,000 ohms -Carbon type -g watt -Pack - age of 5 Spring -3 gang toning condenser drive cord tension spring 3033Re . i-1 megohm-Ca

9、rbon type -g watt -Package -Package of 10 of 5 6242Resistor -2 megohm Carbon typo -5watt -Package 3088 3114 Knoh-Opersting switch knob -Package of 5 Resiator-50,000 ohms-Carhoptype-g watt -Package of 5 6279 of 5 Resistor -15.000 ohms -Carbon type -SS watt -Pack age of 5 3238Screw -Set screw for swit

10、ch knob No. 3088 -Package of 10 6281Rt611.10C-1.100 ohme-Carbon type -g watt -Package of 5 3358Resistor -3.000 ohms -Carbon typo -)f watt -Package of 5 6288Knob -Station selector. tone control or volume control knob -Package of 5 3382Reatator-750 ohms -Carhop type -j4 watt -Package 6298Cord -3 gang

11、toning condenser drive fiord -Package of 5 of 5 6300Socket - UX Radiotron socket 3449Coil- Choke roil located on resistor board 6320Capacitor -070 mmfd.-Located on detector oscillator coil 3472Capacitrw-0.0024 mfd. -Package of S 3556Capacitor -0.05 mfd.-Located on antenna coil 6323Shaft -Tuning cond

12、enser drive shaft with one flat washer 3602Resistor -60,000 ohms -Carbon type-)watt -Package and two X: wshera-Package of 2 n(5 6332Switch -Operating switch 3616 3634 Capacitor -300 mmfd Capacitor -160 mmfd 6449 6512 Tone control complete with mounting nut Capcitor-0.005 natl. 36U) 3643 Capacitor -0

13、.0S mfd. Capacitor -0.005 mfd 6516 6522 Connector -Fume connector Shield-Rdintron shield 3702 3703 Capacitor -0.25 mfd Resistor -1,700 ohms -Carbon type-S(watt -Package 6523 6524 Transformer- Audiotransformerensemblecomprising driver transformer and interstate tranaformer Transformer -First intermed

14、iate frequency transformer of 5 6525Transformer -Second intermedite frequency transformer. 3704Resistor -4011 ohms -Carbon type -g watt -Package of S. 6526Trensformer-Outrost trnsformer 3706Resistor -1.800 ohms -Carbon type -5f watt -Package 6533Condenaer-3 gang variable tuning condenser of S 6.544C

15、oil -Antenna coil assembly 3707Volume control-Complet with mounting out 654.5Coil -Detector oscillator mil. 3708Resistor -600 ohms -Carbon type -g watt -Package 6546Scale -Dial end dial scale of S 6548Capacitor -8.0 mid. capacitor 3743Resistor -0.5 ohm -Flexible type-Parkge of 5 6349Cable -Battery c

16、onnecting cable 37446604Capacitor -0.5 mfelResistor -250.000 ohms -Carbon type -3 watt -Pack- age a s7062Cpacitivr-Adjuatable trimming capacitor IS to 70 mmfd. 3T48Fume -34 ampere -Package of 5 7439 Drum -Dial drtsm with set acres. and 3 diImouating nuts. 3749Capacitor -0.l ntfd 7523Escutcheon -Stat

17、ion selector eactstcheon 6114Resistor -20,000 obese-Carboo type -1 watt -Package REPRODUCER ASSEMBLIES of 58920Ring -Cone retaining ring 6143Resistor -40,000 ohne-Carbeo type-)( watt-Packnos 9431Bracket -Cone bracket and magnet assembly of 5 9432 Cone -Reproducer cone complete with micro coil 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN