Hi,
I have an NEC PC-8201A which was working perfectly, up to the point of
swapping the 4 AA batteries. Popped the new batteries in and the screen
contrast is very low, making it difficult to read unless the screen is
viewed at a specific angle. The screen contrast control appears to have
stopped
nd it worked and still wasn't enough :/
The super-glue seems to be holding ok. I didn't test it with much force
obviously but enough to feel like it was at least stronger than what it
should take to spin the disk.
And the disk does spin. You can hear the hub slide and snick into place
Well, I do want to fix my keyboard so that it works 100 per cent. I will
probably take you up on your very generous offer.
On Thu, 21 Mar 2024 at 03:58, Brian K. White wrote:
> If you can't tease the switch apart to clean up the inside, I can send
> you one.
> I got a set of 5 from ebay a couple
That is an uncommon failure for a TPDD. I have seen that same type of failure
on scads of other plastic parts pressed onto metal shafts. The plastic shrinks
as it ages, the metal does not and eventually the plastic hub cracks.
It is hard to tell, but it looks like the hub is a separate piece fr
If you can't tease the switch apart to clean up the inside, I can send
you one.
I got a set of 5 from ebay a couple years ago but only used one.
There is a guy selling them right now too, but only in sets of 20 for $40
https://ebay.com/itm/196074860932
Actually, if you send me your bad switch I
Encountered an unexpected way for a tpdd to fail.
I have a Purple Computing drive I got a couple years ago that never
worked. But it almost worked. The cpu and sensors and motor control
actually all worked fine. You can send it commands and it responds
correctly, you can read the state of the
