Re: Re: Tron troubleshooting/repair

From: Jess Askey <jess_at_askey.org>
Date: Fri Jun 08 2007 - 11:19:53 EDT

Unless the harness molex connectors have heat damage, they are pretty
good forever and as far as I can remember, Midway used pretty heavy
gauge wire on the power supply connector wiring.

The molex connectors have a black cap over the pressed in wire
connections and as long as that is still on, then the wires stay in
pretty well too. If the black caps are missing, you can eventually get
bad connections with the 'press-in' connections if the connectors are
yanked by the wires.

EvilJim wrote:
> Thanks for all the input so far everyone. As I recall, I did pick up
> the new (SCSI) connectors for inter-board replacement already. And it
> sounds like Peter really thinks I ought to replace all of the sockets.
> LOL
> When you say the big blue caps, Mark, you are referring to the ones on
> the PS, I take it? From your mention of ripple, it sounds like these
> are filter caps for the line-in and may have lost their capacitance.
> Are their other electrolytics that are common culprits I should be
> expecting to replace? Aside from the monitor I mean. When it comes
> up, we'll see if it needs a rejuv, though I expect so.
>
> One question I did have: I have read several times about re-flowing
> headers and so on and can easily understand why this is done. But as
> to the harness itself, the actual cabinet harness, is there a tendency
> for these to have issues? I don't relish the idea of re-creating the
> entire loom and I have trouble seeing how the wires themselves could
> have any issues. Then again, these games are "really old", as my
> friend's son likes to point out. Just curious.
>
> Again thanks to all. Once I can get the box out of its corner I'll
> start poking around in there and address these issues.
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Received on Fri Jun 8 11:21:02 2007

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