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  • Witchy's Avatar
    November 30th, 2017, 10:35 AM
    I spent quite a while trying to film an actual blip but failed miserably. I'm going to be going through some disks tonight if I can find them, see...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 29th, 2017, 03:04 PM
    It's a bit like a brief vertical hold type wobble but after a few minutes it settles down. I need to dig around my floppies and find some more...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 28th, 2017, 03:07 PM
    wow, unexpectedly quickly my replacement 2CS2228 arrived today so while the cat was distracted I fitted it and the screen burst into life after...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 27th, 2017, 05:12 AM
    I was reading about the NTE399 last night but then remembered Cricklewood Electronics in London who stock them at over half the price Littlediode do,...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 26th, 2017, 01:19 PM
    I thought I'd test TR103 again but this time with a DMM instead of my multi-transistor tester and lo and behold it's *almost* a dead short B-E in...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 26th, 2017, 09:39 AM
    Hi Larry, It's this one - http://www.binarydinosaurs.co.uk/trs80Model4PVideoBoardSchematic.png I can barely see the characters with the...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 26th, 2017, 07:09 AM
    Testing so far: C101, TR101, TR102, TR103 (on the yoke) all test OK. I've just tried running it with C101 and TR101 removed and the picture is the...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 23rd, 2017, 10:34 AM
    True, I can see that and have the right size stubby, but I'd need to get the board to my desoldering bench :) I'll make another discharge tool and...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 22nd, 2017, 03:27 PM
    Hi Tibs, Wow, that was quick! I was just about to pull the contrast pot and give it a squirt of contact cleaner. I've been searching through boxes...
    22 replies | 975 view(s)
  • Witchy's Avatar
    November 22nd, 2017, 02:23 PM
    Hi folks, Apropos of a conversation I was having with a friend after seeing someone post pics of their 'new' 4P on FBook I got my own 4P on the...
    22 replies | 975 view(s)
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About Witchy

Basic Information

About Witchy
Biography:
Exiled northerner, owner of the Binary Dinosaurs Computer Museum
Location:
Flatlands, UK

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www.binarydinosaurs.co.uk - UK home computer history
Where RIFA capacitors come to die
facebook.com/binarydinosaurs

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Total Posts
Total Posts
142
Posts Per Day
0.18
General Information
Last Activity
December 16th, 2017 03:25 PM
Join Date
October 10th, 2015
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Home Page
http://www.binarydinosaurs.co.uk