Re: Asteroids no pic

Check for shorted chassis mounted transistors. The bigs ones.

On Thu, Jan 26, 2012 at 3:38 PM, <johnfruge@comcast.net> wrote:

> Guys, my Asteroids has been working great that I have over at a friends
> house (across the street) with 2 of my pins. He had stared to use it quite
> a bit and was leaving it on 8-16 hours a day. (he won't be doing to again)
> ! He had been playing it quite a bit. It quit working one day last week. No
> PIC and no nothing. I found both of the 7amp fuses blown on the power
> brick. I also found both F600 and F700 blown on the deflection board of the
> 19V2000 monitor.
>
>
>
> I replaced all 4 fused and got it back to coining up and playing blind but
> the F600 and f700 both blow the sec I turn the power own. It looks like I
> have neck glow and spot killer lit.
>
>
>
> Any help on what to check next would be great. I do have an O Scope but I
> would need help using it. I a quite good with everythign else. Solder /
> M-Meter and I think I have a good suppy of part and repare kit or 3 for
> these x/y b/w type units. I also have a HV probe but have jet to use it.
>
>
>
> Thanks in advance,
>
>
>
> John Fruge
>
> Madera, CA
>
>
>
>

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Received on Thu Jan 26 17:36:50 2012