:Hi,
:GE used RCA chassis in some radios back then. Found model K82 by RCA. The Rider schematic is confusing about model K82. Schematic is for K80 and K81 except chassis RC-815D which must have been used in model K82. Would not expect a tuning eye on any grandfather clock. See if the schematic is usable w/o the tuning eye. Richard
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:http://www.nostalgiaair.org/Resources/515/M0015515.htm
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If Richard's schematic doesn't match, try RCA R-11:
http://www.nostalgiaair.org/PagesByModel/628/M0043628.pdf
Carl T