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Old 09-14-2015, 04:15 AM   #1
NeMesiS34
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Join Date: Sep 2015
City & State: Ballarat, Victoria
My Country: Australia
I'm a: Knowledge Seeker
Posts: 30
Default Original Xbox Replacement Caps

I've been modding Original Xbox consoles for over ten years.
As these things age I find myself becoming more of a refurbisher.

The most common problem is the clock capacitor which tends to leak.
This is illustrated in the first 2 attached pictures below.
The faulty capacitor is a SuperStor 1F 2.5v SuperCap (console v1.0 to 1.5)
It wasnt until the final Original Xbox version 1.6 that the cap was replaced,
with a Nichicon 1F 2.5v Gold SuperCap, as seen in the 3rd picture.

I came across and have been looking for replacement caps at "mouser.com"
I've noticed that smaller caps like 22uf 25v have a life span of around 2000hrs
Medium sized have life span of around 5 to 7k hrs and 10k for the largest (psu) caps.
I'd like these console to last another decade, I'm considering replacing most,
if not all caps on the motherboards and power supply units.

The 4th picture is a Xbox version 1.0 motherboard (with cpu fan)
13x 25v 22uf Nippon SMG
6x 25v 100uf Nichicon VR
3x 16v 1500uf Nichicon PW
2*x 10v 3300uf Nichicon PW
1x 10v 680uf Nichicon PW
5x 6.3v 1500uf Nippon KZE (6th picture)
1x 1F 2.5v SuperStor

The 5th picture is a Xbox version 1.1 motherboard (without cpu fan)
13x 25v 22uf Nippon SMG
6x 25v 100uf Nichicon VR
3x 16v 1500uf Nichicon PW
1*x 10v 3300uf Nichicon PW
1x 10v 680uf Nichicon PW
5x 6.3v 1500uf Unidentified Solid Cap (7th picture)
1x 1F 2.5v SuperStor

My Questions:
I have little experience and limited knowledge in regards to caps.
1) Would i need to replace solid caps with other solid caps or can I use wet caps?
2a) Would it be better to use caps with a higher ripple current and lower leakage current?
2b) Would it be better to use Nichicon HD series over PW series?
3a) Any advantage in using higher voltage caps whilst maintaining capacitance?
3b) For example 22uf 50v over 22uf 25v or 1500uf 10v over 1500uf 6.3v, etc...
4) What would be a better clock cap alternative to the SuperStor 1F 2.5v?

Thanks in advance, Nemo
Attached Images
File Type: jpg DSC04339.JPG (145.5 KB, 377 views)
File Type: jpg DSC04337.JPG (144.9 KB, 314 views)
File Type: jpg DSC04340.JPG (143.4 KB, 261 views)
File Type: jpg DSC04334.JPG (145.4 KB, 272 views)
File Type: jpg DSC04333.JPG (144.4 KB, 249 views)
File Type: jpg DSC04348.JPG (140.1 KB, 210 views)
File Type: jpg DSC04349.JPG (142.0 KB, 235 views)
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