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VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION SYLVANIA ELECTRIC PRODUCTS 1. VOLTAGES SHOWN ARE AVERAGE READINGS MEASURED TO NEGATIVE nBn WITH NO SIGNAL INPUT. VARIATIONS MAY BE NOTED DUE TO NORMAL PRODUCTION TOLERANCES. 2. AC POWER SOURCE - I 17V 60*VARIAC REGULATED*. 3. VOLTAGE SOURCE IS INDICATED BY ENCIRCLED SYMBOL: CORRESPONDING SYMBOL WITHOUT CIRCLEO INDICATES VOLTAGE TIE POINTS. 4 .DESIGNATES CHASSIS GROUND. 5. DESIGNATES NEGATIVE nB*. 136 收音机爱 好者资料库 RadioFans.CN
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