The UCC analysis chart says that UCC6 schematic is 6353WD
chart - https://www.navy-radio.com/manuals/tty/jh/ttyman4/AnalysisCharts/ucc-ac.pdf
schematic - https://www.navy-radio.com/manuals/tty/jh/ttyman9/drawings/6353wd.pdf
actual wiring diagram - https://www.navy-radio.com/manuals/tty/jh/ttyman9/drawings/6354wd.pdf

Good luck -
Nick England K4NYW
www.navy-radio.com


On Tue, Aug 26, 2025 at 10:58 AM Aidan Riley <w9pog73@gmail.com> wrote:
Good morning all, 

I am looking for a wiring diagram for the UCC-6. I'm seeing some AC voltages on the P2 connector that my intuition says are definitely incorrect, but haven't found resources to move on from there. 

73, 
Aidan W9POG
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