Make Trax garbled screen

shardian

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Video loading to youtube now. Will post it in a bit. In meantime, here are pictures.

Anyways, the seller told me the game worked. Get there and I am greeted with this garbled screen. I reseated the aux cards on the monitor chassis, all monitor connectors, and the board harness. No change. Once I got home, me and Wade adjusted out everything including the holds. We were able to stop the rolling and freeze the screen - but still junk. The hold - for lack of better term- will not hold though. It is back to rolling again.

We think it appears to be a chassis issue. Any opinions?

I forgot to grab the chassis model, but the monitor is 100% original. It has two aux. cards on the chassis - one has 2 pots (horiz size, vhold, hhold). The other has the main monitor connector. The flyback is bolted off to the side separate from the actual chassis board. I'll go track down the actual model in a bit.
 

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Thanks Mod! I didn't know about that red one yet, but I do remember seeing the metal box. I'll mess with that one tonight. Set HHOLD to mechanical center, then adjust the red.
 
Honestly that screen looks like what i get when i try to load up a williams game in mame. Some of the roms i have DL'd williams have actually locked up with that screen.
 
Mame has nothing to do with this problem at all. The OP has a 4600 that is not in sync. He will need to at a minimum adjust L351, and could probably use a cap kit as well.
 
Honestly that screen looks like what i get when i try to load up a williams game in mame. Some of the roms i have DL'd williams have actually locked up with that screen.

The rom load screens will always looks kind of like that. If your MAME locks up, then your romset and MAME version is not matched.
 
Thanks guys, that guide fixed her right up. About the time I was thinking it wasn't going to get any better, it just magically went from crap to solid attract screen. Pretty cool!

Now to figure out the messed up sound.
 
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