Arcade Collecting > Restorations & repair

Centipede Mini Restoration

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SirPeale:
Still having graphic issues.  The game plays fine, but text gets scrambly.

When you first power up everything looks pretty good, but gets worse the longer it's on.  Slapping the side of the cab can actually change things on screen.  That means a loose connection (cold solder joint, whatnot) but I've not been able to find one.

SirPeale:
Just ordered a bunch of caps and some misc parts for the boards.

SirPeale:
I went to town with it today, touched up every solder joint on the A/R II and a bunch on the main board.

Surprise!  No more graphics glitches.  I figured it had to be something like this because you could slap the side and the screen would change.  Not anymore.

New issue: the archer now moves on his own.  I remember seeing something like this on a repair log.  I'll have to dig it up.

Level42:
Too many "electronic" problems are actually mechanic problems like these. Glad you found it.

The archer on my Centi didn't go in one certain direction IIRC. Had to replace the buffer IC that's between the IR boards and the rest of the PCB.

SirPeale:
Mine goes in all directions, but tends to drift if you leave it alone.  I'm not worried about it during game play (how often do you stay in one place?) at least for the time being, but I do need a trackball rebuild kit.  It spins like crap, and the trackball is 1/4" below where it should be.  I keep pinching my fingers.

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