Search found 6 matches

by binaryprose
Fri Oct 23, 2015 8:01 pm
Forum: Dragon General
Topic: Dragon Power
Replies: 9
Views: 4948

Dragon Power

Can anyone recommend a good replacement psu for the Dragon32? or failing that a toroidal transformer of the correct rating that will fit into the psu case?

Cheers
Steven

p.s.
has anyone cracked one open? whats inside?
by binaryprose
Mon Oct 19, 2015 6:53 pm
Forum: Dragon General
Topic: Dragons Awake
Replies: 11
Views: 6127

Re: Dragons Awake

I spoke to steve from DataServe (he fixes 8bit machine for a living) he said he had two dragon 32's with the exact same problem..
by binaryprose
Mon Oct 19, 2015 6:49 pm
Forum: Dragon General
Topic: Dragons Awake
Replies: 11
Views: 6127

Re: Dragons Awake

I spent the whole weekend checking the keyboard based on the circuit diagram. all the keys work as they should. the wrong key being displayed sounds to me like a multiplexer issue....i.e. the hardware of the key scanning circuit.
by binaryprose
Mon Oct 19, 2015 6:47 pm
Forum: Dragon General
Topic: Dragons Awake
Replies: 11
Views: 6127

Re: Dragons Awake

Its not the connector, I have checked that with a multi meter and they are both running stock roms. These machines worked last time I used them (1987). I was hoping this is a known issues...
by binaryprose
Sun Oct 18, 2015 11:25 pm
Forum: Dragon General
Topic: Dragons Awake
Replies: 11
Views: 6127

Re: Dragons Awake

Thanks for the reply, glad to see the Dragons getting out at last.
by binaryprose
Sun Oct 18, 2015 2:28 pm
Forum: Dragon General
Topic: Dragons Awake
Replies: 11
Views: 6127

Dragons Awake

Last week i retrieved my old Dragon 32 from my parents house. My sister also had a Dragon, so i bought them both back to see if i could get them running.. They both fire up ok and display the Dragon Basic Message, but the keyboards on both seem to have problems. They either do not work at all, or if...