RCA-Victor-Co-Inc-R-37 电路原理图.pdf

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1、PAGE MODELSR37 ,.oK oac. 45C. 140 620.13C1 4654. ,45134.1. .54413/5R. 6 # -Ts 011 3315.110 111.0. IiI.F.2uI, F. TRANSFORMERTRANSFORMER P5,1Q P ,P -location of I. F. Line-up Adjustment Screws IaA /4101* (10 -ii Y,O 5 4111 Vt.1:2C 1410 311.000 44 WO. 1141 760636.4 111,06 43C. 3,0419* 5 WO 1.4, .061.4

2、-M16 Alignment Procedure Schonatie Diagram DI AL CALIBRATION: turfing condenser fully meshed set di al sothat end calibration coincides with pointer. biEP CNN ECT HIGH a DEOF TEST OSC.TO - TUNE TEST OSC TO - TU IN RADIO DI AL TO ADJU ST TH E FOLLOWING FOR MAX. OU TPU T 1 I -F Grid in series with 0.0

3、 imfd 175 Kc L;311 et point near 60 P o f old I -F Trans. 2 1st Det. Grid in sari es with 0.01 DILI S&P Of istI -F Trans. 3 intenna In series with CO mmfd 1400 Kc 140 Osc.,Det. & R -F Trimmers on gang condenser 63.5111 4 -11.6 a: C-10 4 qC LII 7-14 410Y. DRUNK CONNECTIONS OF CAPACITOR WIT INTERNAL C

4、OMIECTIONS OF POWER TRMISFOINER INT DIAL CONNECTIONS OF tI.F. TRANSFORMER INTERV41. CONNECTIONS Of 21/I.F. TRANSFORMER AIM 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 291 -B RADIOTRON SOCKET VOLTAGES115 Volts, A. C.-No Signal R 37 & R 38 R

5、adiotron No. Cathode to Control Grid, Volt. Cathode to Screen Grid, Volta Cathode to Plate, Volta Plate Current, M. A. Heater Volts 1. RCA -58 R. F. 3.0952555.02.31 2. RCA -2A7 lst Det. Oec. 3.0*95*255* 3.0*2.31 3. RCA -58 I. F. 3.095 2555.02.31 4. RCA -2B7 2nd Det. A. V. C. 7.59260 2.02.31 5. RCA -

6、2A5 Power 20.0250235 33.02.31 6. RCA -80 Rectifier 700/350 Volts -75 M. A. Total Current4.82 *The Voltages and current refer to the detector part of the tube.The total cathode current is 10 M. A. REPLACEMENT PARTS Insist on genuine factory tested parts, which are readily identified and may be purcha

7、sed from authorized dealers Stock No. DESCRIPTION ListStock DESCRIPTION List RECEIVER ASSEMBLIES3640Capacitor -0.05 mfd. 2269Capacitor -720 mmfd.3641Capacitor -0.1 mfd. 2816Resistor - 1,000 ohms - Carbon type - 3642Capacitor -0.008 mfd Y2 watt-Package of 5 3643Capacitor -0.005 mfd. 3076 Resistor -1

8、megohm -Carbon type- ,ii watt6188Resistor -2 megohm-Carbon type -3 watt -Package of 5-Package of 5 3252 Resistor-00,000 ohms-Carbon type-Y26282 watt-Package of 5 Resistor -60,000 ohms-Carbon type- watt-Package of 5 3358Resistor - 3.000 ohms - Carbon type - 3 watt-Package of 5 6303Resistor -20,000 oh

9、ms-Carbon type - watt-Package of 5 3459 Capacitor -80 mmfd. 6470Coil-Antenna coil 3514Resistor -250,000 ohms-Carbon type -4i 6471Coil-Oscillator coil watt-Package of 5 6472Coil-R. F. coil 3572 Socket-Radiotron 7 contact socket 6473Scale-Dial scale assembly 3573Socket-Radiotron 4 contact socket 6483T

10、ransformer - i stintermediatefrequency 3584 Ring-R. F. or oscillator coil retaining ring transformer -Package of 5 6484Transformer -2nd intermediate frequency 3594 Resistor -50,000 ohms-Carbon type -3,i transformer watt-Package of 5 6485Volume control-With mounting nut 3597Capacitor -0.25 mfd. 6486T

11、one control with mounting nut 3615Knob-Tone control knob-Package of 5.6487Capacitor assembly-Comprising three 4.0 mfd. and one 10.0 mfd. capacitors 3616Capacitor -300 mmfd. 7485Socket-Radiotron 6 contact socket 3622Shield-Radiotron shield -1 used 7487Shield-Radiotron shield -3 used 3623Shield-Antenn

12、a or R. F. coil shield 7590Capacitor -10.0 mfd. 3624Socket-Dial lamp socket and bracket 7597Condenser -3 gang variable tuning condenser. 3625Indicator-Volume control indicator9005Transformer-Power transformer -105-125 3626Shield-Oscillator coil shield volts, 50-60 cycles 9006Transformer-Power transf

13、ormer -200-250 3627Knob-Station selector or volume control knob-Package of 5 9024 volts, 50-60 cycles Transformer-Power transformer -105-125 3630Resistor - 10,000 ohms - Carbon type - volts, 25-50 cycles 3 watts 3632Resistor - 500 ohms - Carbon type - 1 watt-Package of 5 REPRODUCER ASSEMBLIES 3633Capacitor -400 mmfd. 6476Transformer-Output transformer 9032Coil assembly-Comprising coil, magnet and 3634Capacitor -160 mmfd. cone support 3639Capacitor -0.02 mfd. 9428Cone-Reproducer cone-Package of 5 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN