#87917 - shaz - Fri Jun 16, 2006 2:57 pm
I have been building Nintendo DS's and I have badly screwed up this time.
3 of my DS mainboards are dead!
I put the battery the wrong way round on all 3 and now they wont even boot or even the led won't come on.
Is there anyway reviving these boards?
There has to be a solution...
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#87919 - Critical_Impact - Fri Jun 16, 2006 3:07 pm
Perhaps you blew a fuse that you could simply bridge on the ds's board? I remeber they were labelled F1 and F2 or something. Though it could have fried the whole board and you cant do anything about it.
You could try bridging the blown fuse with solder or something like that
#87924 - shaz - Fri Jun 16, 2006 3:31 pm
so F1 and F2 are the fuses...
How shall I bridge them?
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#87925 - Critical_Impact - Fri Jun 16, 2006 3:37 pm
Solder, wire, metal, something like that. Physically look for the fuses on the boards and see if there is a blow fuse
#87926 - shaz - Fri Jun 16, 2006 3:50 pm
| Critical_Impact wrote: |
| Solder, wire, metal, something like that. Physically look for the fuses on the boards and see if there is a blow fuse |
F1 and F2 are there and look ok.
I still don't understand how to bridge them. Could you give instructions...
Btw thanks for the replys
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#87928 - parrot_ - Fri Jun 16, 2006 3:56 pm
AFAIK Wire connecting one end of the fuse to the other. I'd check though, I might not be right.
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#87936 - shaz - Fri Jun 16, 2006 4:33 pm
| parrot_ wrote: |
| AFAIK Wire connecting one end of the fuse to the other. I'd check though, I might not be right. |
So all I do is put the wire on one end of F1 and F2. Then put it on and it should work?
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#87940 - parrot_ - Fri Jun 16, 2006 5:00 pm
No, one side of F1 to the other side and the same should apply for F2, but I amn't sure.
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#87950 - JaJa - Fri Jun 16, 2006 5:58 pm
Test them with a multimeter first.
When a fuse 'blows' it doesn't explode or anything, they can often look fine from the outside.
Edit: They CAN explode but you have to dump so series current through them.
Wouldn't the DS have a diode on it to protect against inverse polarity from the battery?
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#87957 - ghazi - Fri Jun 16, 2006 6:34 pm
Not necessarily. It's probably an issue they didn't consider since they were using a proprietary battery that's specially made to only fit in one direction.
#88081 - shaz - Sat Jun 17, 2006 1:36 pm
Is this what I should do then...
[Images not permitted - Click here to view it]
When i've put the wires there, i'll insert the battery and put it on and it should work...
Is that correct?
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#88121 - JaJa - Sat Jun 17, 2006 5:39 pm
Yes.
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#88353 - josath - Sun Jun 18, 2006 11:50 pm
Ideally, you should replace the fuses. A fuse protects your hardware when something bad happens...without the fuse, next time you do something wrong, it might fry the chips.
#88362 - TheRain - Mon Jun 19, 2006 1:43 am
Picture of the two fuses in the DS Lite.. I haven't found another picture like this on these forums so I figured it might be helpful.
http://www.collinmeyermusic.com/DSLITEFUSE.jpg
Does anyone know what the "32" on these means? I'm looking to replace mine.
p.s. .... what the heck does this guy mean by building DS's??
#88377 - tepples - Mon Jun 19, 2006 3:47 am
"Building DS": Take a DS with a dead screen, a DS with a severely dinged-up case, and a DS with a fried motherboard, and you can get two working DS units out of the deal.
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#88430 - shaz - Mon Jun 19, 2006 1:59 pm
| tepples wrote: |
| "Building DS": Take a DS with a dead screen, a DS with a severely dinged-up case, and a DS with a fried motherboard, and you can get two working DS units out of the deal. |
Yeah kinda...
I can get a broken DS for around $33 with only one screen broken and a hinge broken. Everything else works, just buy another one of these and you got your self a new ds with parts to spare... I would only need 1 more broken ds as I need one more screen. Kinda cleaver eh. So im getting these ds's at a steal. Oh and I buy them cases from china "Ninetedo DS" :P
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#88431 - shaz - Mon Jun 19, 2006 2:00 pm
| josath wrote: |
| Ideally, you should replace the fuses. A fuse protects your hardware when something bad happens...without the fuse, next time you do something wrong, it might fry the chips. |
Where can I get these fuses...
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#88457 - shaz - Mon Jun 19, 2006 5:34 pm
I feel really dumb. I still don't know how to bridge the fuses. Is there a video or a step by step tut?
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#88500 - TheRain - Mon Jun 19, 2006 8:27 pm
Maybe it would help you to understand what a fuse is.
A fuse is just a piece of wire that breaks when too much electricity is run through it. The idea is that the fuse should break before too much electricity gets to some other components in the DS, thus protecting it.
You can bridge the fuse any way you like... all that you are actually doing is replacing the fuse with another wire. So what you do is unsolder the fuse from the board... this will leave two contacts on the board that probably have a bit of solder on them still. Cut a very short piece of wire just long enough to stretch from one contact to the other and solder it in place. If there was solder left over on the contacts from when you removed the fuse, you should probably try to solder the wire on there using only the solder that's on there already... this way you don't over solder and cause a mess. If you do need some more solder on there, use a very small amount... if you need more you can add another very small amount. The components are close together so it's a good idea to be careful.
P.S. if you're still not sure after reading this, I will be performing this operation sometime this week and I can try to snap a picture of it for you.
#88503 - shaz - Mon Jun 19, 2006 8:42 pm
| TheRain wrote: |
Maybe it would help you to understand what a fuse is.
A fuse is just a piece of wire that breaks when too much electricity is run through it. The idea is that the fuse should break before too much electricity gets to some other components in the DS, thus protecting it.
You can bridge the fuse any way you like... all that you are actually doing is replacing the fuse with another wire. So what you do is unsolder the fuse from the board... this will leave two contacts on the board that probably have a bit of solder on them still. Cut a very short piece of wire just long enough to stretch from one contact to the other and solder it in place. If there was solder left over on the contacts from when you removed the fuse, you should probably try to solder the wire on there using only the solder that's on there already... this way you don't over solder and cause a mess. If you do need some more solder on there, use a very small amount... if you need more you can add another very small amount. The components are close together so it's a good idea to be careful.
P.S. if you're still not sure after reading this, I will be performing this operation sometime this week and I can try to snap a picture of it for you. |
Thanks for the reply, I know what a fuse is btw...
I've just started soldering things and this fuse is just F**king tiny and I wasn't sure how i was going to do it without burning my hards off!
BUT!!!.... I have done it and it is working!!!
Although im such an ediot, I took the fuse off one of the boards so one is dead (unless i get a new fuse).
Thanks to everyone here, I have managed to revive my ds boards. Thank you all!
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#88510 - JaJa - Mon Jun 19, 2006 9:55 pm
Welcome to the world of surface mount device electronics.
I hate them. They stick to everything EXCEPT the board.
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