RCA-Victor-Co-Inc-RK-24 电路原理图.pdf

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1、PAGE 281-B PHONOGRAPH OSCILLATOR MODEL R K 24 II R4 WOO. RS 100.000* WON t 2007 Nttfir 045 RESISTOR BOARD CONNECTIONS CRUN INTERNAL CONNECTIONS OF OSCILLATOR COIL UNIT M1/11:111.WW inru gr BIACM INTERNAL CONNECTIONS OF CAPACITOR PACK ELECTRICAL SPECIFICATIONS Type of Oscillator Circuit Type of Modul

2、ation. Type of Radiotrons Heater Current Heater Voltage Plate Voltage Place Current Input Pickup Impedance. Output Impedance Tuning Frequency Range CI 000MMED. F Modified Hartley Pentode Control Grid RCA -2A7 or RCA -6A7 0 3 or 1.0 (Depending on Tube Used) 2.5 or 6.3 Volts (Depending on Tube Used) 1

3、50 Volts to 400 .Volts 2 0 M. A. at 250 Volts 2450 Ohms at 1000 Cycles 30 Ohms 1400 K. C. to 1700 K. C. P RECTIFIER numbs,- PlICWO HEATER SUPPLY PICKUP -10.St.CHASSIS TERM. BOARD EXTERNAL ANT.ANT. .GND. BINDING BINDING POSIPOST -Schematic Circuit Diagram REPLACEMENT PARTS Insist on genuine factory t

4、ested parts, which are readily identified and may be purchased from authorized dealers STOCK No. DESCRIPTION LISTSTOCK No. DESCRIPTION LIST 4749 4013 4027 4745 4748 4747 9554 Board-Terminal board assembly Capacitor -200 mmfd. (C3) Capacitor -800 mmfd. (Cl) Capacitor pack-Comprising MO 4.0 mfd. capac

5、itors (C4, CS) Clamp-Electrolytic capacitor clamp Coil-Oscillator coil and shield assembly (L1, L2, C2) Oscillator-Complete 3400 6143 3464 3058 6300 4750 4746 Resistor -30 ohms-Carbon type-/ watt (R6) -Package of 5 Resistor -40,000 ohms-Carbon type -34 watt (R2, R3)-Package of 5 Resistor -70,000 ohm

6、s-Carbon type-Is (R4)-Package of 5 Resistor -100,000 ohms-Carbon type (R5) -Package of 5 Socket -4 -contact Radiotron socket Switch-Operating switch Transformer-Output transformer (L3, L4). RCAVICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. 1., U. S. A 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN