RCA-Victor-Co-Inc-R-3-B 电路原理图.pdf

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1、PAGE 3-B WR ,8148. :RCA 834 11110.000. C-I1LS ,00 IMAM. -30. 4164,0. 3U - Au 1111011106 TO CHAIM ANoL1111.1.11. 411401.0111 Electrical Specifications noire mi4811 11i11 V MODEL R-3- B (Battery Operated Receiver) ;m,D Figure A-Schematic Circuit Diagram A Battery Current 0.55 Ampere B Battery Current

2、(Max. Volume Control).0 032 Ampere Type and Number of Radiotrons 2 RCA -234, 1 RCA -232, 2 RCA -230, 1 RCA-233-Total, 6. Undistorted Output Important-When using 3 -volt A supply as shown in Figure 2 (b), be sure to open the link connecting terminals 1 and 2 on the rear of the chassis. For 2 -volt A

3、supply as in Figure 2 (a), the link should be closed. The proper hnk posi- tion is shown by the inset in each diagram. 0 4 Watt LIMACLOSED CHASSIS CRASSIS TERMINAL 32 TERMINAL WARD ROAM) LINK OPEN STORM A CELL A IATTERV (2 VOLTS) Six I; VOLT OR! CELLS (1 VOLTS) REPLACEMENT PARTS Stock No. DESCRIPTIO

4、N RECEIVER ASSEMBLIES 2012 Capacitor - 1,200 mmfd - (C-17) 2532Capacitor - 230 mmfd - (C-19) 2747Cap - Contact cap 2963Resistor - 8,000 ohms - Carbon, 1 watt (R-2) 2994Coll (L-11) 3076 Resistor - 1 megohm - Carbon - 1/2 watt (R-8) 3078 Resistor - 10,000 ohms - Carbon - 1/2 watt - (R-13, R-10) 3079 R

5、esistor - 40,000 ohms - Carbon - 1/2 watt - (R-4) 3118 Resistor - 100,000 ohms - Carbon - 1/4 watt (R-1) 3252 Resistor - 100,000 ohms - Carbon - 1/2 watt (R-5) 3297 Resistor - 80,000 ohms - Carbon - 1/2 watt (R-15) 3358 Resistor - 3,000 ohms - Carbon - 1/2 watt - (R-3) Socket - UX type Radiotron soc

6、ket Resistor 3368 3382 3456Capacitor - 0.05 mfd (C-1, C-15) 3460 Capacitor - 1,200 mmfd - (C-17) 3471Capacitor - 0.025 mfd - (C-20) 3509Socket - Five contact Radlotron socket. 3510Shaft - Tuning condenser drive shaft 3511Scale - Dial scale and drum 3512Switch - Operating switch (S-1) 3513 - 750 ohms

7、 - Carbon - 1/2 watt (R-12) Capacitor - 700 mmfd - (C-12) Stock YO. DESCRIPTION RECEIVER ASSEMBLIES (Continued) 3515 Resistor - 1,800 ohms - Carbon - 1/2 watt (R-11) 6142Resistor - 6,000 ohms - Carbon - 1/2 watt (R-7) 6228-Resistor - 6249Resistor - 6280Resistor - (R-9) 6315Resistor (R-4) 6333Cable -

8、 Battery cable 6414Capacitor pack - Comprising one 1.0 mfd., two 0.75 mfd. and two 0.1 mfd. (C -5,C -9,C-7). e415Transformer assembly - Comprising interstage and output transformer (T-1, T-2) 6416Transformer - First I -F transformer 6417Transformer - Second I -F transformer 6418Coil - Detector oscil

9、lator coil 6419Coll - R.F. coil 6463Volume control,- 100,000 ohms (R-6) 7241Condenser - 3 gang variable tuning 200.000 ohms - Carbon - 1/2 watt. 1.5 ohms - Flexible type (R-14). 400,000 ohms - Carbon - 1/2 watt - - 45,000 ohms - Carbon - 1/2 watt - LOUDSPEAKER ASSEMBLY 6166Board - Terminal board, two terminals . 8983Magnet assembly - Comprising cone bracket core and magnet 8984Cone - Speaker paper cone 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 收音机爱 好者资料库 RadioFans.CN