From: Pete Turnbull <pete_at_dunnington.u-net.com>
>The front bezel (frame round the panel) has been repainted white, and
the
>paint has flaked or chipped off in places, to reveal a chipped coat of
>beige paint. I'd like to refinish and respray it. What's the correct
>colour?
DEC gray #68 A color close to eggshell toward very light gray.
>I'm toying with the idea of replacing the LEDs with bi-pin bulbs, as the
>panel was originally a bulb panel. The resistors for the warm-up
current
>have been clipped out. What value should they be?
leave the leds, likely that mod was done very long ago. The lamps
tended to die too often.
>What's J5 (3-pin Mate-N-Lok) on the PSU for?
Power controller.
astly (for now :-)), which direction should the fans blow? The fans
>in this machine are not original, and I suspect they were put in
>back-to-front. They were drawing air in from the right (as you look
from
>the front) of the machine, through the cards, into the PSU, and blowing
it
>out through the six large heatsinks and out of the left side of the
>machine. I think this is the wrong way round, as the laminar flow over
the
>cards won't be as effective as the turbulent flow in the other
direction.
> But what's the normal way in an 8/E? And was there supposed to be a
>filter anywhere?
Unknown on direction, I think "out". Filter was a layer of foam where
there
was one. I have a an 8f so they are somewhat different but the fans blow
in
across the cards. The PS in the reaw with its own fan. The 8e has the
power supply down the left side(facing the front from front) and thefrom
right
(input) to left (out through the PS). The power supply will tolerate
higher temps
if memory serves than core. Keeping the core cool and at a relatively
constant temp was the key to stable ops.
Allison
Received on Sat Nov 24 2001 - 20:03:34 GMT
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: Fri Oct 10 2014 - 23:34:12 BST