RCA-Victor-Co-Inc-R-56 电路原理图.pdf

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1、1 MEG. HI H oj 1 ) 62 MA. 170it 3i 220 v. 68 MA, 145 V. 5 MA. SOY6GT RECT field t060L 3.6N E M SP 50L6ST 50Y6ST R 5 A AA O SI OH VOL. CONTR POWER SUPPLY COMMON WIRING insulated from CHASSIS CHASSIS GROUND MODEL R-56 - o%c. COIL * -13 v. approx MAX. AVC. VOLTAGE VOLTAGES SHOULD HOLD WITHIN 20% WITH |

2、7 V, AC SUPPLY * measured with -=t=; 3v BIA5 FOR CHANALYST OR VOLTOHMYST 4r GAINDATA R5 VOL. CONTR 500.0OO * STOP AT 47.000 07 RCA flodel 55 X COMPILED BY M. N. BEITMAN. SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN Two -Tube, A -C, Electric Phonograph Specifications Pow ER 1PPLV 105.125 volts, 60 cy

3、cles 50 watts LOUDSPEAKER RL86CI 5inch Electrodynamic V. C. Impedance at 400 cycles 4 ohms POWER OUTPUT RATING Undistorted 2.-5 watt, Maximum 4.50 warts CI BOTTOM VIEW R1 CF TUBE VOL. CONTROL 0,1 SOCKETS 1 MEG.s. PHONO JACK PICKUD, . _ 0OJb-r MC TOR 40 4RZ 50L6GT A.F PAGE 530-C MODEL R-56 TUBE COt P

4、LENt ENT (1) RCA 5OL6GT Power Amplifier Motor Self-starting Induction (2) RCA 50Y6GT Rectifier Drive Rim Drive, 78.25 R.P.M. Pickup Crystal R1 1 51 PIOlrtwRAPH 150 9v Callo O 0 Co R3 820 M R4 G8 M 2.20 v. 68 MA C3 - .02. Top VIE W 135v. G2 MA. 145 V. 5 MA. 5OY6GT REC T 5OL6GT 50Y6GT R5 120 / S1 d ON

5、 VOL. CONTR (=1 POWER U U SUPPLY TI H.G 1 i l 170.11. a I L FIELD RED I 1o60SL 6 MFD, w JRN 1 R5 ,z._-_I CG _ C2 I 10 MFD. MFD. -J 9 C4 .o5 CCMMON WIRIN: INSULATED FROM CHASSIS M-95218-1 R56(1;5119) Replacement Parts Insist on genuine factory -tested parb, which art readily Identified and may be pur

6、chased horn authorized dealers. 3.6 E.M. 5PcR III CHASSIS GROIND STOCK No. DESCRIPTION STOCK DESCRIPTION AMPLIFIER ASSEMBLY 39688 Coil-Field coil 39684 Capacitor-Electrolytic, one. section of 10 mfd., 39689 Coil-Neutralizing coil 250 volts, and one section of 16 mfd., 150 volts 39539 Cone-Cone, voic

7、e coil, center suspension, and 36248 Capacitor-.02 mid., 700 volts dust cap 32787 Capacitor-.05 mid., 400 volts 43763 Capacitor -0.1 mid., 400 volts MOTDR ASSEMBLY 39500 Capacitor -16 mid., 150 volts 38410 Control-Volume control and power switch 36402 Arm-Idler arm and stud for motor 11585 Resistor

8、-15 ohms, 4 watt 20139 Ball-Steel ball for turntable bearing 39685 Resistor -120 ohms, 3.1 watt 36404 Motor -105-125 volts, 60 cycle motor 30785 Resistor -150 ohms, 1 watt 38403 Mounting-One set of mctor mounting grommets, 14138 Resistor -68,000 ohms, 4 watt spacers, and washers 30161 Resistor -820,

9、000 ohms, 4 watt 36406 Plate-Idler arm guide plate for motor 33742 Socket-Phono input socket 36401 Plate-Motor plate complete with bearing and 31251 Socket-Tube socket ball 39883 Transformer-Output transformer 30340 Retainer-Motor fan retainer 30585 Spring-Motor idler arm tension spring bushing with

10、 PICKUP AND ARM ASSEMBLY 36399 Turntable-Turntable and complete 33591 Arm-Pickup arm only-less cartridge, and pivot spindle shaft and base assembly 33728 Washer-C washer for motor idler wheel 34482 Base-Pickup arm bane-less pivot shaft 36405 Washer-Flat washer for motor idler wheel. 34758 Bushing-On

11、e rubber and one metal bushing for pickup arm 36274 Wheel-Motor idler wheel and bearing 39686 Crystal-Pickup crystal cartridge MISCELLANEOUS ASSEMBLIES 34311 Ring-Retaining ring for pivot shaft 33974 Screw-Needle screw 38990 Foot-Cabinet foot 34481 Shaft-Pickup arm pivot shaft 38710 Knob-Volume cont

12、rol knob SPEAKER ASSEMBLY 33530 Mounting-Rubber grommet, washers, and -tut for mounting pickup arm Screw-Finish washer for mounting (RL -88C-1) 39690 screw and amplifier (1 set) 32907 Cap-Cone center duet cap 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