General-Electric-Co-911H 电路原理图.pdf

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1、CLOCK-RADIO MODELS 911 & 911H 912 913 VOLUME R-16, MOST-OFTEN-NEEDED 1956 RADIO SERVICING INFORMATION ELECTRIC The Models 911 912 and 913 radios all utilize the same chassis, their differences being only in the cabinet and appearance item colors. The chassis incorporates four tubes plus one rectifie

2、r in a superheterodyne circuit. An electric alarm clock provides automatic on-off control of this receiver as well as the 1100-watt appliance receptacle located on the rear of the radio. Always use an isolation transformer when servicing or aligning this re ceiver to protect the test equipment being

3、 used. When aligning keep the signal input low so the AVC will not affect the output. Alignment information is included with the schematic diagram, SENSITIVITY ANO STAGE GAINS AT 100 microvolts (SI000KC S5KC T 3 POWER OUTPUT grounded! TO CHASSIS UNLESS OTHERWISE NOTED CAPACITORS MORE THAN l-MMF CAPACITORS LESS THAN l-MF RES STORS ARE 1/2 WATT CARBON * 1000 M-LOOO.OOO 35WA 12 AV6 :cock 10CKE T Output TRANSFORMER |VOLUME CONTROL TUNING CONTROL R9 RJS-l8i isoon ,C RTL-163 RTLI63 22K RLC-122 49 收音机爱 好者资料库 RadioFans.CN