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Thread: The bad battery thread

  1. #126
    drunk downunder!
    aka. Muff Diver.
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    Bought a faulty MV-1F of off eBay and the battery was leaking big time, neutralized the area with baking soda and water and let that sit for 30mins. Washed the board thoroughly with distilled water and toothbrush. Cleaned the cart slot with isopropyl and it's a working board! When I saw corrosion on a couple chips I thought it was gone, not so! If I didn't have this thread to use as reference I'd have a board in far worse condition.


    !!

  2. #127
    Fio's Quartermaster
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    Got an mv1fz an it's got a lithium 3v battery in it. Am I correct in thinking that I don't need to worry about possible leakage? Read somewhere that they don't leak.

  3. #128
    Mr Big's Escort
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    Just got out my MV1 to test a few things (I usually use my MV1-C).

    Now I see this happening:



    should I take off the battery and try to fix it?
    EDIT - I should probably mention a few things:

    * this was originally repaired and purchased from channelmaniac - I don't know if this was an area he worked on but it doesn't look like the corrosain I see on the other pictures.

    * Also, it works just fine.. no problems with the board right now.
    Last edited by Adderall; 03-21-2011 at 04:47 PM.

  4. #129

  5. #130
    Mr Big's Escort
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    cool.. looks like i can sell it then.. my 1C is a champ and I obviously don't use this much. THANKS XX

  6. #131
    Why So Many X's?
    XxHennersXx's Avatar
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    I don't see any fuzzy shit...before my power supply went out it saved stuff still.

    but i'm no expert, how's it look to you guys?
    Rebuilding MVS collection. PM for my looking list

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  7. #132

  8. #133
    Why So Many X's?
    XxHennersXx's Avatar
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    do you just pop it out?

    the chips and everything look ok though right? Nothing permanent?

  9. #134
    Ghost Of Captain Kidd
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    Desolder or cut the leads.
    It doesnt look like it has leaked onto the board yet.

  10. #135
    Fio's Quartermaster
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    Just changed my battery in the nick of time. It had leaked a bit but luckily it hadn't spread to any of the components an i've cleaned it up now. Phew! Just for the record, lithiums do leak!

  11. #136
    Bashful Neophyte
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    my battery begin to leak to i chnage the battery. i stay with a rechargable one. i follow the tutorial on http://pineconeattack.com.

    the article was made by Jangofatt.

    i follow all the instruction. i test and it works. i put the battery outside like that, if he begin to have problem it will not damage the board.


  12. #137
    Member owen's Avatar
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    just finished checking my battery on my 4 slot and it looks perfect , like new . should i leave it in and just check it at a certain interval?

  13. #138
    JammaNationX
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    Quote Originally Posted by owen View Post
    just finished checking my battery on my 4 slot and it looks perfect , like new . should i leave it in and just check it at a certain interval?
    The pancake batteries leak from the side you can't see.

  14. #139
    Member owen's Avatar
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    ok , its coming out , in an earlier post i read something about grounding or shorting when trying to remove the battery, is there anything i should know ? i have no electrical knowledge and would hate to ruin a perfect board, from what i gather from this thread, is to just remove it.. but i gotta be sure.

  15. #140
    SHOCKbox Developer
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    EVERY OEM battery should be removed upon receipt of your MVS board. I usually don't bother replacing it but if you mustI like that isolation from the main board concept. Why not place it on a daughter board with a protective base on the solder side and glue down maybe?
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  16. #141
    Timid Neo Newbie

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    My Neo Geo AES doesn't power on could this be the problem- the battery? Thanks!

  17. #142
    JammaNationX
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    Quote Originally Posted by Racsomew View Post
    My Neo Geo AES doesn't power on could this be the problem- the battery? Thanks!
    There's no internal battery on the AES.

  18. #143
    Why So Many X's?
    XxHennersXx's Avatar
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    can i just cut the wires with a wire cutter?

  19. #144

  20. #145
    Armored Scrum Object
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    Whats up guys. i recently baught a huge lot of cps2 and mvs carts from a local arcade operator... all was untested. I opened up the marvel vs capcom board and this is what i discovered. Perhaps the most damage ever caused from a cps2 battery not being changed..... hope this convinces you to change your batteries before it becomes unfixbale like this one. the damage was irreversable due to numerous spots of corrosion to the pcb. CHANGE YOUR BATTERIES!!!!!!!!



  21. #146
    JammaNationX
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    I think the worst one is still mainman's CPS2 where the battery exploded and coated almost everything inside. Your pic is the reason why I don't buy untested boards from arcade ops. They won't let me open them to check so I passed no matter how good the deal.

    At one point they even offered to sell them to me for $20 a piece and I still passed and they still couldn't understand how important it is for them to open and check. Plus those boards are sitting in a hot warehouse that has a skylight. When will they learn?

  22. #147
    Why So Many X's?
    XxHennersXx's Avatar
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    dude. it looks like someone used your board to freebase meth and then shit all over it wtf...god makes me glad i got to mine before anything! It's sat here for 3 years without me knowing it was bad.

  23. #148
    Big Bang Pro Wrestler
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    That is repairable... with a lot of patience, another board to compare, and kilometers of kynar wire... the worst thing is the corrosion on the Capcom DL-1927 chip legs.
    I've done things worst than that. Optimist, right?

    By the way, why don't you put that photo on the "disaster thread" I opened?
    "appleTV-like" Consolized NeoGeo MVS builder (take a look here)

  24. #149
    Timid Neo Newbie
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    Speaking of powersupplies does anyone know if a Japanese Neo Geo will work with an Australian powersource

  25. #150
    H = Heinously
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    My MV-1AX has a spot welded coin cell battery, mounted horizontally. What are the chances of it leaking? Thing is it is working perfectly right now and I fear this factory-looking battery will leak even if it's lithium-based. Should I buy a battery replacement mod from JNX and replace it anyway?

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