1. Dramacydril

    OP Dramacydril Member
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    Hi to all,

    I have hardmodded (micro usb port) my N3DS XL but afterwards made a big mistake. I reversed the battery and powered it on and now my 3ds wont power on (no blue light). When i connect the charger i can see the orange charging light and it stays on like normal. When i remove the battery and connect the charger i get a 5 second orange light thats it. Never a blue light. I checked the fuse on the daughterboard and next to the power port. Those are ok.

    According to a topic in these forums (https://gbatemp.net/threads/new-3ds-xl-fuse.416208/) i need to buy a new daughterboard for it to power on. The second thing i need to buy is a charging chip (located near the power port) or it will not charge.

    The description on my chip says:
    CKP TI (Texas Instruments?) 48W Z54P
    (see the image for the location of the chip)

    I want to order the right chip from china (alixpr...) and get it fixed by a pro. Are there any hardware pro's here who can tell me if the chip image i attached will work or else tell me what the correct one is named?

    Thank you very much.
     

    Attached Files:

    Last edited by Dramacydril, Dec 28, 2016
  2. Jayro

    Jayro MediCat USB and Malwarebytes Bootable Developer
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    How does one even reverse the battery "by accident"? Were you drinking by chance?
     
  3. Dramacydril

    OP Dramacydril Member
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    No lol, i tested the battery without the case. I just finished soldering and didnt want to screw on the case. Normally with the case you cant reverse the battery in the wrong way. Stupid mistake by me.
     
  4. rip-it-up

    rip-it-up GBAtemp Regular
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    is the charging industor working fine above that chip in photo? I dont have any new 3ds but may be able to pull one from a old 3ds if you are struggling but shipping cost are probably gonna be more expensive from me

    ps im not upto date on new 3ds so im not 100% sure of the problem
     
    Last edited by rip-it-up, Dec 28, 2016
  5. Jayro

    Jayro MediCat USB and Malwarebytes Bootable Developer
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    I'm kind of disappointed that Nintendo wouldn't have some kind of protection circuitry in place. Just a couple of diodes would have done it.
     
  6. proflayton123

    proflayton123 Sakura思い
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  7. Dramacydril

    OP Dramacydril Member
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    Thanks for your reply. How do i test this with a multimeter. Im no pro.

    More people have the same problem as you can see in the above topic i linked. I think they are right. The daughterboard is the problem and if im not lucky also the charging chip. Thats why i want to know if the chinese chip from aliexpr... will work.
     
    Last edited by Dramacydril, Dec 28, 2016
  8. mvmiranda

    mvmiranda GBAtemp Maniac
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    @Dramacydril, did you fix your issue?

    A customer used a counterfeit charger and now the New 3DS XL isn't charging at all. If I put a charged battery the console turns on though!

    I wonder if that chip is causing the issue...
     
  9. Dramacydril

    OP Dramacydril Member
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    I already fixed it without replacing the charge chip. I replaced the daughterboard with a cheap one from aliexpress and it is working fine.

    So i doesnt always mean that your charge chip is defect. Try the daughterboard first.
     
    mvmiranda likes this.
  10. PunisherRepair

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    For any of you that were looking for that part number for the charge controller IC...
    q2407x 1.5-A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC, is in the BQ24072 family made by Texas Instruments. http://www.ti.com/lit/ds/slus810k/slus810k.pdf
     
    TurdPooCharger and MDR like this.
  11. OrGoN3

    OrGoN3 GBAtemp Psycho!
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    Did you find official/used daughterboards or did you get generics? Did you change both or just one? If one, which one?
     
  12. DEEP_STEEL

    DEEP_STEEL GBAtemp Regular
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    Hey does your charging light turns off when fully charged????
     
  13. cosay

    cosay Newbie
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    my n3DS xL wont charge maybe because i used a busted charger, and my technician replace my charge Ic ( 48w z85k ) and he replaced it with an (48w z85f) chip then after that it charged the battery BUT it charge too slow like 6-7hr for 3Bars only. But he didnt do anything about the DaughterBoard (I believe the daughter board is the location of the battery?)

    Question:
    1. do you think if i replace my Ic with different Code or number of the Chip? and it still works?

    2. do I need to replace my Daughter Board to fix this problem?

    3. where can i get a daughter board?

    thanks in advance! :)
     
    Last edited by cosay, Sep 2, 2017
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