Re: Asteroids no pic

You can do a quick check with a meter between pins. Once you replace them,
use some goof off etc. to clean the old heat sink compound. I can't recall
if BR sends new micas or not. Then use a good white heat sink compound. You
don't need much.

Kevin

On Thu, Jan 26, 2012 at 6:34 PM, Chuck <chuck@localsurfer.com> wrote:

> John,
> Kevin is right on with the transistors on the chassis, Mine was blowing
> the fuses and it was a shorted out transistor, I can't remember which one,
> but there are four of them on the side of the chassis, two are for X and
> two are for Y. Each circuit is the same so it is two of one type transistor
> and two of the other. Bob Roberts carries them.
>
>
> On Jan 26, 2012, at 4:38 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 20:00:38 2012