Re: B/W Atai Vector transformer stuff...

When I was working fixing games years ago (with lockouts) it was considered
common practice to disconnect the lockout coils.

Seems like even StarTech would comment on it every now and then.

Kurt

On Wed, Oct 05, 2005 at 02:42:32PM -0400, MKDUD@aol.com wrote:
> Hello,
>
> I was running into a rather unusual problem and thought I'd put it here
> to see if anyone saw this before. I have an Asteroids Deluxe CT that was
> blowing F2. First time it happened, (about a year ago) I rebuilt the audio reg,
> and replaced my big blue cap on the transformer assembly. Machine was fine
> for about 5 months, under average use of about 2 hrs per week.
> 5 months ago, F2 blows again. I start checking everything from the audio
> reg again, and check all voltage regulators on the mian board. I can't find
> anything, but still replace the 5v components of the AR, replace F2. Machine
> runs again until last night.
> F2 blown, no +5 again. Transformer is very warm. I remove transformer
> assembly. All connectors to big blue are nice, big blue still tests fine with
> ESR. I'm thinking the CR1 and CR2 might be bad on the rectifier board. Sure
> enough CR1 is testing poor, CR2 is pretty crappy as well. I also decide to
> see where all this voltage (10.3vdc) goes besides where I was already servicing
> things after I replace the rectifier diodes.
> Coin Lockout Coils??!!!! Never thought of this, though I do remember a
> friend saying the panel of the coin door felt very warm when he was putting
> coins in a long while ago. I check the coils, they are crispy, and loook like
> doo doo. I'd have never thought of even looking there, but I'm guessing that
> the cooking coils may have been a real problem. I think I'm going to leave
> them disconnected on my machines from now on, no need for them anyway, and they
> damn near cost me a transformer assembly (I'd have had a real fun time
> getting one to replace it!)
> Anyone ever seen this before?
>
> Thanks,
> Michael Kelley

-- 
/**
 * Kurt Mahan   kmahan@xmission.com
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 * "Did I say that out loud?"
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