[Milsurplus] PRC-74 Question

[W2AGN]

Does anyone have either a schematic for the PRC-74 (plain 74, not A-C), OR, 
the connections to the audio connector. I have TM-11-5820-590-12-1, but not 
schematic. Have a spare connector, and wanted to see the hookup for the 
telegraph (CW) key. Thanks,

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 / \  / \  / \  / \  / \ John L. Sielke
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