Dreamcast Weird Video Issue

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demianariel
noob
Posts: 1

Dreamcast Weird Video Issue

Post#1 » Thu Apr 18, 2013 1:27 am

Can anyone help me figure out what the hell is wrong with this thing?

http://www.youtube.com/watch?v=XJoKsyZrikw

-Bad GPU?
-Bad Capacitors?
-Bad PSU?
-Bad Video Memory modules?
-All of the above
-I don´t care! :wink:

User avatar
Jenkins
Cracked LCD
Posts: 407
Contact:

Re: Dreamcast Weird Video Issue

Post#2 » Sat Apr 20, 2013 6:58 am

Do you use a VGA box / cable?

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Raen
Crazy Taxi!
Posts: 541

Re: Dreamcast Weird Video Issue

Post#3 » Wed Apr 24, 2013 8:10 am

Most probably, the GPU section of the motherboard went kaput.

If you have a 2nd working DC, swap their boards and try to isolate the problem to a specific piece.

I did this on a non-working DC and found out that its PSU was dead (both the fuse and some capacitor), the controller board was dead and the MB had a similar graphical issue similar to yours.
While the PSU fuse and any capacitor can be easily replaced, you most probably can say good-bye to a damaged motherboard.

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