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Fada 103 Fadalette, Stewart-Warner Series 108, DeWald 54 Dynette Sets
Radio Service Data Sheets
May 1933 Radio-Craft

May 1933 Radio-Craft

May 1933 Radio Craft Cover - RF Cafe[Table of Contents]

People old and young enjoy waxing nostalgic about and learning some of the history of early electronics. Radio-Craft was published from 1929 through 1953. All copyrights are hereby acknowledged. See all articles from Radio-Craft.

Fada 103 Fadalette: A tabulation of voltages in this set on D.C. The D.C. and A.C. readings are for a 110 V. line. Bias readings are taken across re­spective bias resistors. The D.C. input is 34 W., and the A.C., S6 W.

Stewart-Warner Companion Chassis Series 108 and 108-X, Models 10 to 20. With the volume control tuned full on, the following approximate voltages should be read to the frame of unit C (using a high resistance voltmeter).

All sets of the "universal current" type now on the market require that the Service Man check the position of the power plug in its socket to determine whether it is correctly poled. It is seldom that the chassis frame connects directly to the power line. Circuit oscillation at the high-sensitivity setting of the volume control is normal in many models. The results obtained with ultra-midget sets will greatly depend upon local reception conditions.

Fada 103 Fadalette, Stewart-Warner Series 108, DeWald 54 Dynette Sets Radio Service Data Sheets

Fada 103 Fadalette, Stewart-Warner Series 108, DeWald 54 Dynette Sets Radio Service Data Sheet, May 1933 Radio-Craft - RF Cafe

 

 

Posted May 25, 2016

Radio Service Data Sheets

These schematics, tuning instructions, and other data are reproduced from my collection of vintage radio and electronics magazines. As back in the era, similar schematic and service info was available for purchase from sources such as SAMS Photofacts, but these printings were a no-cost bonus for readers.

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