Re: Asteroids no pic

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 19:34:26 2012