Question about Nintendo 64 Console

10 Answers

No output from power supply

Power supply wont start up; line input voltage OK and rectified mains appears at filter capacitor in "live" side of supply, but no 12 volt or 3.3 volt output from supply.
can I get a schematic diagram or description of any likely components which will cause this

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  • 3 more comments 
  • squera1 Sep 14, 2008

    I could have decided to replace the whole power supply without the help of an "expert'; I want to try fixing this one!

  • squera1 Sep 15, 2008

    the suggested links deal with adapting n64 to wii, but don't detail power supply, or offer portable battery supply; neither gives any helpful info on N64 power supply

  • squera1 Sep 21, 2008

    AUSTRALIAN POWER SUPPLY ALREADY HAS 47MIC 400V CAP

  • squera1 Sep 22, 2008

    thanks Charcois; my problem is the "brick" isn't giving any output volts, not that I haven't got one; I'm trying to find information to repair it rather than replace it

  • squera1 Sep 29, 2008

    the unit DOES NOT WORK because the POWER SUPPLY DOES NOT GO.

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10 Answers

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  • Master
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Hi,

I am assuming that you are very familiar with electronic circuitry and components, use of a DVM and a soldering iron. In the absence of a schematic diagram, and since you have perform initial voltage checks, perhaps you can wing it. Your "brick" will have to follow the basic design of an SMPS (switch mode power supply). Simply stated,an SMPS is an AC to DC to high freq AC then to lo V DC converter. Per your post, you have checked that there is DC (B+) from the AC mains, then what is needed is to check if there is oscillation to produce the high freq AC. Often design calls for an optical coupler, a small rectangular looking component with four pins, two at each end. This is nothing more than a LED and a Light Dependent transistor. Its function is to switch/trigger on the oscillation (and therefore start the SMPS producing the lo B+s).

Again, since there is no readily available schematic diagram, might I suggest that you post back the part numbers of the ICs and transistors. What we can do is pull out their spec/data sheets and/or application diagrams. Such would give us a general idea of the working voltages at what pins and what each component is supposed to do. Example, let us say your power supply uses a 817A/0635 opti coupler and/or an SG5841DZ controller IC, then we can search for them as initially described.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Sep 30, 2008

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Hi,
buy a new wire would be the best thing to do. Pawn shops or super Nintendo or game cube wires r all the same as n64. You can order it from the company itself.... Have any queries please let me know..
Thank you.......

Posted on Sep 30, 2008

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  • Master
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If memory serves me correctly, I believe that these are standard switch mode power supplies. Look for a cap in the power supply in the 22 ufd range with a voltage range of 200V or so. Try changing that and let me know if there is any change.

Dan

Posted on Sep 24, 2008

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  • 208 Answers

Hi,
From your query above , i came to know that your problem is with the power chord or the adapter.
i want you to refer to the follwing website to troubleshoot your console.

http://www.nintendo.com/consumer/systems/nintendo64/trouble_other.jsp

There are also some safety precautions which can avoid the future failures.

Thanx for using fixya,
Hope my info is helpful,
Bye.

Posted on Sep 22, 2008

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  • Master
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You did check the fuse first right... second.... at what point are you getting voltage.... before or after the step down transformer ?


Robert

Posted on Sep 22, 2008

  • Roberta Smith
    Roberta Smith Sep 22, 2008

    not just visually either with a multimeter to check for continuity



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The Nintendo Wii Power Supply AC 100-240V If you have an imported Wii and want to use it in the UK or simply need a spare or wii replacement power supply, this item is for you.

Product Features:

Input: AC 100-240V
Output: DC 12V 4A
Automatic Burst mode in low loading condition
Overvoltage input protection with auto restart



If you just want to charge your PSP you can probably recharge
your PSP for about two weeks of playing off of one charge of
this battery.

Just be careful that the plus and minus of the input is
connected correctly or you will blow your fuse.

Because the system converts DC voltage to DC voltage you can
touch the converter board without harm. It generates no heat
so you can simply put your converter in a plastic box.

There you have it a low cost high power high efficiency power
system for your portable electronics.







Posted on Sep 15, 2008

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Heres the info about this link

Nintendo 64 -- 3.3V DC 2.7A, 12V DC 0.8A Nonstandard Plug

The N64 power supply is contained in this specially
designed brick that slides into the back of the unit.
If you don't have one, buy one from Nintendo. Unlike
other companies, they support their products long after
they're considered dead. You can still buy NES adaptors
and stuff from them so the N64 adaptor should be available
for a long time. If for some reason that's not
an option and you need to know the pinouts, here they are.

MALE pinout on power plug itself
_____
|123|
|456|
-----

1,4,5 = -
6 = 12V DC 0.8A
2,3 = 3.3V DC 2.7A

FEMALE pinout on console
_____
|123|
|456|
-----

1,2 = 3.3V DC 2.7 A
3,5,6 = -
4 = 12V DC 0.8A
the adaptor and the power supply is available also on the ebay. you can check it on yourself. hope that helps!


CHARCOIS

Posted on Sep 15, 2008

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Replaced that electrolytic capacitor by 400volts / 47uf microfarad so it works an auto volts,this is good to your unit.

Hope this may help you;

Regards,
VOTIT

Posted on Sep 14, 2008

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  • Nintendo Master
  • 6,487 Answers

You can try checking this links for the schematic for this unit http://www.raphnet.net/electronique/x2wii/index_en.php
http://www.webspawner.com/users/n64wire/n64%20wiring%20diagram.jpg

Hope that helps...........

Posted on Sep 14, 2008

  • Mark Gil
    Mark Gil Sep 15, 2008

    I think it will be better for you now to call Nintendo and ask for that schematic that you're looking or take this unit to a servcie center near you and let them replace it for you...

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  • Master
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You need to replace the whole power adapter, there is no free diagramas for it, order spare from Nintendo.

Posted on Sep 14, 2008

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