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Trying to fix two OG Xbox PSUs - but I can´t find info on some components


imito
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I was given Two OG XBOX PSUs but both have 2 missing components

  • One PSU is Delta and belongs to OG Xbox 1.4 revision

  • One PSU is Delta and belongs to OG Xbox 1.6 revision

  • Fuse and varistor are missing in the PSUs, parts are not in the board, someone removed them. i think the owners connected them to 220v (here we have 220v , not 110v in the wall plug) and that caused the fuse to blow up, and varistor to blow up. Just like in the Wii power brick when connected to 220v

So i spent some hours trying to figure out what the original components were for those PSUs, searching on forums and i was not able to find the complete info

 

This is what i found online for each OG xbox model, in terms of original components it came with:

OG Xbox 1.4 Power supply

Varistor= Unknown? I was not able to find information online about this varistor.

Fuse: 250v 3.15A (8.35x7.7mm)

-

OG Xbox 1.6 Power supply

varistor: TVR 20241X

Fuse : 250v 4A 20mm long

-

Maybe someone here on reddit knows more about these missing components so

Here are my questions for OG Xbox 1.6 revision:

  1. The FUSE for OG xbox 1.6 revision, the PCB has printed "250v 4 Amps", and By looking at pictures on ebay i see they originally used a normal Glass Fuse 20mm long, but my question is: DOES IT NEED TO BE A FAST BLOW FUSE? OR SLOW BLOW FUSE?

  2. The VARISTOR for OG xbox 1.6 revision is TVR 20241X, but here that part is hard to find, can i use any of these as replacement? S20K150 or 20N241K or 20D241K ? (datasheets images are below)

Here are my questions for OG Xbox 1.4 revision:

  1. The FUSE for the OG xbox 1.4 revision, the PCB has printed "250v 3.15 Amps", and by looking at pictures on ebay i see they originally used a circle encapsulated in plastic fuse, but again my question is: DOES IT NEED TO BE A FAST BLOW FUSE? OR SLOW BLOW FUSE?

  2. The VARISTOR for OG xbox 1.4 revision is UNKNOWN, I was not able to find online what type of varistor they used in that PSU, can i use the same varistor as in the 1.6 revision?

here are images of the 1.4 fuse, along with what i was able to find available where i live for the 1.6 revision varistor, I hope someone can help me find the correct replacements

 

xvaristor.jpg

Edited by imito
better quality image
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