DEC: securing 15V pwr monitor board in H765 supply

Bill Degnan billdegnan at gmail.com
Mon Jan 18 16:18:21 CST 2021


If no one else knows off hand I can check later today, let me know.

On Mon, Jan 18, 2021, 4:37 PM Fritz Mueller via cctalk <
cctalk at classiccmp.org> wrote:

> Hi all,
>
> I’m reassembling an H765 supply after cleaning and repairs.  It has the
> "newer" style 15V and power monitoring board (the one with the edge finger
> connector, same as used in H7420 supplies.)
>
> The board slides into a slot in a sub-chassis that also houses the power
> control circuitry, which small chassis later slides into, and is secured
> to, the larger H7420 chassis.
>
> I cannot for the life of me figure out what, if anything, secures the
> power monitor board to the small chassis! There don’t appear to be any
> conveniently placed fixtures to which to screw down the board, and I
> haven’t been able to inform myself by pondering the various engineering
> diagrams, IPB’s, nor the pile of remaining fastening hardware...
>
> When I test-fit everything in the larger chassis, the unsecured board is
> held captive only by the grace of the surrounding wiring harness and by
> some small clearance issues with the large cap on the board.  This doesn't
> seem satisfactory; as part of something like an 11/34 on tilt slides, it
> would seem to bang around a bit in there if left loose like that.
>
> Am I missing something?  Puzzled...
>
>      --FritzM.
>
>
>


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