Metal Slug X cartridge Boot Screen loop

PCB problems and fixes
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gnomx
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Metal Slug X cartridge Boot Screen loop

Post by gnomx »

Hi there guys.
I have a problem with my Metal slug X mvs game.

Here a video :


Many thanks

Cheers.
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yosai
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Re: Metal Slug X cartridge Boot Screen loop

Post by yosai »

How are the voltages supplying the supergun?
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gnomx
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Re: Metal Slug X cartridge Boot Screen loop

Post by gnomx »

It's good 5V and 12V stable.
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pulstar
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Re: Metal Slug X cartridge Boot Screen loop

Post by pulstar »

Have you cleaned the cart contacts with electrical contact cleaner? If not, could it be that the Altera IC is duff? See here https://wiki.neogeodev.org/index.php?ti ... tal_Slug_X
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Re: Metal Slug X cartridge Boot Screen loop

Post by gnomx »

pulstar wrote: June 10th, 2019, 4:02 pm Have you cleaned the cart contacts with electrical contact cleaner? If not, could it be that the Altera IC is duff? See here https://wiki.neogeodev.org/index.php?ti ... tal_Slug_X
Yes. I've cleaned everything but still not works.
So i don't understand how fix it. The tutorial is not clear enough 4 me. Sorry.
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gnomx
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Re: Metal Slug X cartridge Boot Screen loop

Post by gnomx »

So. Do I have remove Altera chip or simply can I cut off from board without desolder it??
Cheers
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pulstar
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Re: Metal Slug X cartridge Boot Screen loop

Post by pulstar »

Well, according to the post there, you need to program the Altera chip with the correct configuration (not sure if this has been released yet) and desolder the current Altera IC and replace it with a new, programmed one.

The other way of fixing it is transplanting all the chips (except the P1 ROM) from the Prog board to a PROGBK1 PCB and burn the unencrypted P1 ROM on the page there.
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Re: Metal Slug X cartridge Boot Screen loop

Post by gnomx »

Ok thanks. I'll do second way. I have a Donor board here. Super siderkick 2 boards.
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Re: Metal Slug X cartridge Boot Screen loop

Post by gnomx »

I'm wrong. I must use correct board to fix game.I'm using Tecmo world soccer 96 is ok for mslug x.
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Re: Metal Slug X cartridge Boot Screen loop

Post by gnomx »

Hi there.
I have a little doubt :
I have here a donor PCB
Image

So in the Tutorial I can see some components that mine doesn't have :
Image
image upload

Is ok or I must put the other two components LS08 & LS74.

Cheers
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pulstar
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Re: Metal Slug X cartridge Boot Screen loop

Post by pulstar »

I would say you'd need to add the LS08 and LS74. I assume they're needed for games with bigger V & P Roms and the donor that you've found doesn't require them because they have smaller V & P Roms than Metal Slug X.
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Re: Metal Slug X cartridge Boot Screen loop

Post by gnomx »

pulstar wrote: June 18th, 2019, 5:43 pm I would say you'd need to add the LS08 and LS74. I assume they're needed for games with bigger V & P Roms and the donor that you've found doesn't require them because they have smaller V & P Roms than Metal Slug X.
Bad news bro... :( I have to buy them
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