(Topic ID: 171359)

HSII: vertical line in DMD

By dezaanster

7 years ago



Topic Stats

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#1 7 years ago

Hi,

I am looking to buy a Getaway HSII game but when I went over to look at it, the display showed a vertical line. The funny thing is it's always visible except when the display shows the "soundtrack La Grange by ZZ Top" screen. This leads me to believe it's nothing wrong with the display itself but I'm not sure. Since I don't own the machine (yet), I can't test the display in another game. Do any of you know what may be causing this strange issue?

Bart

#2 7 years ago

Well there is the reseat the ribbon cable or a possibly bad ribbon cable.

I agree, doesn't sound like display issue. Good luck

#3 7 years ago

If there is a bad pixel in that column the rest of the line stays on. You can see the bad pixel, it's the one that isn't lit. If you don't see one, it's probably not a bad pixel.

#4 7 years ago

Put the game in test mode and run the display test to see if it's the display or something else.

#6 7 years ago

As Scorpion90 mentioned above, place the game into display test. If at the end the display says "RAM TEST OK", then the display controller is OK and the issue is probably the display. If the diagnostic indicates a RAM error of some sort, which I believe it will, then the RAM on the Dot Controller is likely bad. See:

http://www.pinwiki.com/wiki/index.php?title=Williams_WPC#Failed_RAM

--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info

#7 7 years ago

Hey guys, thanks for all your replies! The display test is a good option, didn't think of that. I'll definitely do that first. Let's hope it's not a bad pixel.

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