MV-4F crosshatch

bartre

bartre

Haomaru's Blade Shiner
10 Year Member
Joined
Oct 27, 2009
Posts
681
I recently got a hold of a 4 slot neo cab.
The machine is fine, but the games boot to a crosshatch pattern.
I've disassembled the board, and see no bad traces.
Additionally, the system had apparently had a battery mod done to it for some time, albeit poorly.
 
SpamYouToDeath

SpamYouToDeath

I asked for a, Custom Rank and, Learned My Lesson.
15 Year Member
Joined
Oct 3, 2005
Posts
6,059
When I had this problem, it helped to install a UniBIOS and check out the cart in its memory viewer.
 
aha2940

aha2940

AH, A, COLUMBIAN!,
Joined
Dec 15, 2013
Posts
2,528
Silly question, but have you tried cleaning the slots of the MVS as well as the carts?

Regards.
 
J

Jesse James

n00b
Joined
Jul 11, 2014
Posts
26
Exact same problem here. Although, I'm not sure if the traces are bad. My 2 slot doesn't look as rough as this crosshatched 4 slot as far as the traces go:
photo(1).JPG
I assume these are visually bad traces? Need a multi-meter and Uni-Bios. This hobby is getting expensive. HA!
 
bartre

bartre

Haomaru's Blade Shiner
10 Year Member
Joined
Oct 27, 2009
Posts
681
Okay, I've really thoroughly cleaned this thing now.
Now I can get games to boot, but slots 1 and 2 have no audio.
I'm also noticing some color bleed on the red video
 
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