On Fri, May 31, 2019 at 11:17 PM Jon Elson via cctalk
wrote:
> As far as I remember, there IS no removable
> cover on those HDAs, they were hermetically sealed except
> for a tiny, filtered, pressure relief vent.
Well, the HDA was assembled, so it can come apart again. The
RA82 printset gives
On Fri, May 31, 2019 at 4:12 PM Jon Elson wrote:
>
> On 05/30/2019 10:56 PM, Tony Duell via cctalk wrote:
> > [1] I feel DEC got one thing wrong here. The preamplifier
> > ICs are inside the HDA and thus can't be replaced.
> This was pretty common practice in a number of drives from
> that
On 05/30/2019 10:56 PM, Tony Duell via cctalk wrote:
[1] I feel DEC got one thing wrong here. The preamplifier
ICs are inside the HDA and thus can't be replaced.
This was pretty common practice in a number of drives from
that period. Now, it is common for the read amps to be on
the individual
On 05/30/2019 02:20 PM, shad via cctalk wrote:
Hello,
I'm in the process of cleaning and hopefully restore to operation of a DEC
R80.
The unit has some minor sign of corrosion, however it's VERY dirty, even
inside the hood.
The filters are obviously to be removed and replaced, as they are
On Thu, May 30, 2019 at 8:20 PM shad via cctech
wrote:
>
> Hello,
> I'm in the process of cleaning and hopefully restore to operation of a DEC
> R80.
> The unit has some minor sign of corrosion, however it's VERY dirty, even
> inside the hood.
> The filters are obviously to be removed and
Hello,
I'm in the process of cleaning and hopefully restore to operation of a DEC
R80.
The unit has some minor sign of corrosion, however it's VERY dirty, even
inside the hood.
The filters are obviously to be removed and replaced, as they are
disintegrating.
Also foam parts between the boards must
