General-Electric-Co-RP1110A 电路原理图.pdf

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1、VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION GENERAL ELECTRIC COMPANY Model RP1110A SPECIFICATIONS ELECTRICAL RATING: 105-120 Volts 60 Cycle AC 45 Watts POWER OUTPUT: Undistorted: 1.5 Watts Maximum: 2 Watts RECORD CHANGER: Model CH10 four speed automatic with 90 Volt AC motor PHON

2、OGRAPH PICK-UP: Dual Sapphire Stylus Astatic 81T or equivalent TROUBLESHOOTING The tube filaments and changer motor are con nected in series. An open filament in an amplifier tube will prevent the operation of the changer motor. Be sure the tubes are operating properly before troubleshooting changer

3、. The input AC voltage rating of the changer is 90 velts. When testing a changer disconnected from ampli fier, a 100 ohm 10 watt resistor may be used as a sub stitute In place of tube filaments, or a variac set at 90 volts must be inserted between changer and power line. Do not plug changer into a 105-120 volt outlet. V 2 55 收音机爱 好者资料库 RadioFans.CN