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Lou
Under the black cover over the matrix swtich there are 3 black bakelite slabs (3.5" X 4.5" X ~1/4") with 187 holes sandwiching 185 pins. With the black cover removed (2 screws) and the card plunger pushed in and you'll see that the sandwich "floats" on four 8-32 threaded posts. Each of these posts has 2 nuts sandwiching the slab sandwich. The position of the lower 4 nuts (I called these jam nuts) determines how far in the 185 pins go into their female counterpart where there is no hole in the card. If there's a hole in the card the pins must not make contact with their female counterpart, and this clearance is about the thickness of a dime. In addtion all these jam nuts must be on the same plane so that the sandwich is orthagonal and will not bind so it can move smoothly. A pix would have been easier but the batteries are being charged. Let me know if you still need a pix. 73 hank wd5jfr "Lou deGonzague" wrote in message ... This was a very interesting post Henry, I have one of these and it seems to be working OK. I have everything except the cal cell is dead. I would like to see a pic of those jam nuts that you shouldn't touch if possible as I thought about cleaning the card reader. "Henry Kolesnik" wrote in message ... In this case the "assembler" needed flogging! hank wd5jfr "Jeffrey D Angus" wrote in message ... Henry Kolesnik wrote: It's fixed, a new day respite helps. Which just undescores what I've been telling my techs all along. VERIFY everything before you start flogging the assembly. Jeff -- "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." Benjamin Franklin "A life lived in fear is a life half lived." Tara Morice as Fran, from the movie "Strictly Ballroom" |
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