Re: Star Wars works - or does it?

From: <>
Date: Tue Oct 19 2004 - 08:23:47 EDT

Easy fix - reflow solder on the edge connector pins.
One or more have cold solder joints - a common problem.


             Jonathan Stanley
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                                       VECTOR: Star Wars works - or does
             10/18/2004 11:15 it?
             Please respond to

A while back I posted that my Star Wars blew the deflection fuses at
F3 & F4 while playing a game. After I replaced the fuses some other
parts on the board melted within a couple seconds of turning on the
machine. Note I'm referring to the deflection board, NOT the HV

There really isn't much info out there on the deflection board, so
instead of trying to troubleshoot something I didn't understand, I
let some time go by and got my hands on 2 more deflection boards.

On board number 1, I hooked up only the 15 pin connector that feeds
in from the power supply and game boards. I turned it on and within
a second started seeing smoke so I turned it off. The smoke was in
the general area of F3 & F4.

So I put in board number 2, made the same connections, and got the
same result. So I started thinking how unlikely it would be that I
had 3 deflection boards with the same problem, and since I only had
the power supply and game boards hooked up the problem must be with

So I first took off both edge connectors on the game boards and left
the power supply plugged in. When I powered up the game, NO SMOKE,
so the power supply must be okay. Next I plugged in the lower edge
connector - no smoke. So I plugged in the upper edge connector - no
smoke. Well crap, since it's all fine and dandy I might as well plug
all the monitors and HV connections back up - IT LIVES! Great
picture, played 2 games with no problems.

So the ONLY thing I did to go from smoke to happy was unplug and
replug the game board connectors. It is working - but I wouldn't
call it fixed.

Can a bad game board/connection really fry stuff on the deflection
board? I do recall tweaking some AVG pots a couple days before the
initial blow-out.

Any ideas?

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Received on Tue Oct 19 08:23:55 2004

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