The Atlas 180 and 21x series
Here are Diagrams PC500-PC1000. See also the main chassis diagram here. To save any of these diagrams, right -mouse-click on it and choose "save picture as..". PC500. The infamous PA!
PC600. Carrier oscillator. PC800. Rx front-end filters (180). PC900. Tx bandpass filters (180). PC1000/1020. Tx output filters (180).
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