VXT2000+

[Jan-Benedict Glaw]

On Sun, 2019-01-20 15:20:22 +0000, Bill Gunshannon via cctalk <cctalk at classiccmp.org> wrote:
> Bummer time....  I turned on my VXT2000+ today and after about
> 5 minutes there was a "pop" and a small puff of smoke from
> the power supply.  No smell like you get from a selenium diode
> or other semiconductor.  Now, the fan tries to run but only
> twitches and the led blinks slowly.   No obvious blown part
> visible.  Does anyone have a service manual for the H7109-B
> Power Supply?  I would really like to fix this but I can't
> see paying $150-$250 for a replacement. (Actually, if I had
> that kind of money I would, but I don't!)

I don't have a manual, but PSU problems typically base on broken
electrolytic capacitors. (The larger have venting cuts on their top,
you may be able to see these broken open, or puffed up.) Start there
and replace them, they're cheap!  And if that doesn't help, we'd try a
better approach.

MfG, JBG

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