Re: LV2000 demands

What about the idea of simply hooking up a cooling fan, pointed at the monitor
PCB's? I currently have a Tempest in which someone cut the wires to the
fluorescent tube behind the marquee and used them to hook up a permanently
mounted monitor cooling fan. Personally, I think this is a BAD idea, and I
will be re-wiring the game back to its original state, but I envision adding a
cooling fan _with its own, sepearate power cord_, and snaking the power
cord out the back along with the regular one.

-rmp

Gregg Woodcock wrote:

> >That is an excellent improvement, unfortunately the LV2000 does not take
> >the transistors out of the loop, that IS the main weakness. The only
> >reason the parts on the board burn up is because of failures of the
> >transistors, so in actuality all the LV2000 does is provide a means of
> >shutdown when the transistor fails to protect itself. It does not solve
> >the weak link, it just covers for it..
>
> These transistors can be made pretty well invincible by simply adding large
> TO-3 heat sinks on them. I have been running a Tempest with this and the
> LV2000 on it for almost 4 years 24/7 and I am running it FULL SCREEN (no
> reduced height/width). BGMicro sells them for a few cents each. 3 of them
> need to be "clipped" because 1 is entirely under the deflection board and 2
> others are partially under it. The alternative to clipping is putting the
> transistors on the OTHER side of the chassis so that the heat sinks are away
> from the PCBs (which is an OK idea since they get better air flow and are
> greatly insulated from the heat-generating boards).
Received on Fri Nov 20 07:01:24 1998