[GreenKeys] ASR-33 question

[Nick England]

This package has model 33 wiring diagrams from 1978.
https://www.navy-radio.com/manuals/tty/wd/0316WDP-m33-Iss23.pdf

More wiring diagrams are located here
https://www.navy-radio.com/tty/tty-wd-list.htm


Nick England K4NYW
www.navy-radio.com


On Tue, Jun 10, 2025 at 4:18 PM Mike Katz <bitwiz at 12bitsbest.com> wrote:

> I have an ASR-33 and I have a manual reader power pack question (183087).
>
> There were two version of this board.  The original version was designed
> to mount in the pedestal and had the 120VAC power going to Spade Lug
> connectors on the power back power (T1 & T2).  This board had only 6
> contact in the J1 connector.  This could be mounted in the pedestal or
> the UCC-6.
>
> The newer power pack board removed the spade lug wires and added 2 more
> connections to the J1 molex connector on the power pack board. These two
> new connections provide the 120 VAC on pins 1 and 13.
>
> The schematics that I have 1965 so not show these extra two connections.
>
> Does anyone know where I can find a new schematic so I can see which pic
> is hot and which pin is neutral.
>
> Also, where is the best place on the CCU-6 to get 120VAC to route to the
> reader power pack?
>
> Thank you,
>
>              Mike
>
>
>
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