[GreenKeys] M15 wire harness schematic?

steve bennett raleigh_ranger at yahoo.com
Sun Jan 19 22:17:08 EST 2025


 John,
  Thanks! After I sent my question I took a meter and verified the leaf switch under the printer was in fact what was shorting to wires to the selector magnets so that mystery is solved.Thanks for the schematic!-Steve
    On Sunday, January 19, 2025 at 10:02:56 PM EST, John, W9DDD <w9ddd at tapr.org> wrote:  
 
  
This may be helpful
 
http://www.navy-radio.com/manuals/tty/wd/m15-wiring-anon-2112.pdf
 
Yes the line will be closed by a switch with the typing unit removed.  (probably also with keyboard out too?)
 
There are other WD that may show connections without the line relay modification.  Last 15 I worked on did have it.
 
 
 On 1/19/2025 8:47 PM, steve bennett via GreenKeys wrote:
  
  GKs, 
   Is there a schematic that shows where all these wire terminals go to? There are 3 terminal blocks next to the power switch with about 6 lugs on each block. The lugs I thought go to the selector magnets are shorted together. Maybe a leaf switch is doing that because the typing unit is not on the base and so it is by passed? (just a wild guess) Also wondering if those 3 big wire wound resistors on the line relay box could be used and how they are connected to the terminal blocks. Looks like there is a socket for a line relay but none present. 
  Thanks, -Steve  
  
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The above comments or recommendations are SWAG. Use at your own risk.

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