16 Jun
2009
16 Jun
'09
9:13 p.m.
On Tue, Jun 16, 2009 at 4:14 PM, Pontus<pontus at
update.uu.se> wrote:
> This vt220 in front of me has no picture at all. I was using it and
> between the blink of my eyes the picture disappeared, no bang, no
> smoke, just gone. I think the logic still works, judging by the led
> indicators on the keyboard and the satisfying beep it "boots" just
> fine.
>
> Any ideas where I should start looking?
Yeah, probably start with the horizontal output transistor (HOT), and
flyback. I'm sure Tony will be helpful in pointing you in the right
direction. I haven't run across a broken VT220 (nor needed one badly
enough to consider fixing it).
Pat
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