Sears Roebuck & Co. 1430 Schematic

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Product Information:
Model:1430
Manufacturer:Sears Roebuck & Co. (Silvertone)

Schematics Content:

Please note: this content is a computer-generated interpretation of the above schematic and is provided only to help assist you in locating this schematic. For the actual text, please consult the schematic above. Thank you.

Page 1:

Page 524-25

SEARS, ROEBUCK and COMPANY

2.0x 25 CYCLE

lutomatlo Volume Control

PEAK FREQUENWiI. 75 K.C.

Unocntrolleble volume can be truce-d to the following :mints-Open volume control;
open choke from negative speaker field to automatic volume control filament; open
resistors or condensers in automatic volume control circuit; open choke, resistor:
or 'shorted condensers in automatic volume control amplifier.

In cases of hum, look for defective output or detector tubes, reversed speaker
field, open screen or cathode resistors, open center tan resistor, shorted con~
denser or open resistors in the hum filter circuits or an open 1.0 Mfd. conden-
ser in the automatic volume control circuit.

Page 2:

Page 524-24

SEARS, ROEBUCK and COWANY

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