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  • PG31's Avatar
    May 23rd, 2020, 01:48 AM
    PG31 replied to a thread VT420 troubleshooting in DEC
    @DAve G4UGM, I checked out groups.IO and found that I was already a member..doh!!. I've just replied to a post from earlier this year about a PDP-11...
    19 replies | 842 view(s)
  • PG31's Avatar
    May 23rd, 2020, 01:44 AM
    PG31 replied to a thread VT420 troubleshooting in DEC
    Thanks for the info, I doubt I'll get time to work on this over the weekend now. My real job has taken over :( @Gary C, Glad you have made...
    19 replies | 842 view(s)
  • PG31's Avatar
    May 21st, 2020, 10:34 AM
    PG31 replied to a thread VT420 troubleshooting in DEC
    pics of transformer
    19 replies | 842 view(s)
  • PG31's Avatar
    May 20th, 2020, 10:52 AM
    PG31 replied to a thread VT420 troubleshooting in DEC
    Hi Dave, I'm Paul.:) I've removed and cleaned the circuit board. I found the top of transformer T802 inside the terminal. Not 100% sure if this...
    19 replies | 842 view(s)
  • PG31's Avatar
    May 19th, 2020, 09:31 PM
    PG31 replied to a thread VT420 troubleshooting in DEC
    Thanks wupf and Qbus, great we now have a diagram:D. I have some experience fixing monitors (Zentec, Redifon, Newbury Data and Wyse mainly), albeit...
    19 replies | 842 view(s)
  • PG31's Avatar
    May 19th, 2020, 11:44 AM
    PG31 replied to a thread VT420 troubleshooting in DEC
    Thanks both, I have also asked on a couple of DEC Facebook groups. No joy yet. @Gary, you will find in the service guide a description of each...
    19 replies | 842 view(s)
  • PG31's Avatar
    May 18th, 2020, 05:15 AM
    PG31 started a thread VT420 troubleshooting in DEC
    Does anybody have experience troubleshooting a VT420? I have one that does not display on screen when powered up but makes a continuous clicking...
    19 replies | 842 view(s)
  • PG31's Avatar
    May 14th, 2020, 12:21 AM
    PG31 replied to a thread A Homebrew MicroVAX II in DEC
    Very Cool:)
    16 replies | 724 view(s)
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About PG31

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About PG31
Location:
Liverpool, England
Interests:
Old DEC computers
Occupation:
Computer Engineer

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