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Xbox 1.6 with Low Voltage at PSU


paaraujo94
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Dears

My xbox 1.6 is working intermittently.
Checking the PSU, it was identified that where it should present 5v, I find approximately 1v.
In addition, there is noise in the low voltage sector.

In visual analysis, there are no components with deformations.

However, this behavior is intermittent and, at the moment I write to you, it is working normally.

Any tips on how to fix?

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9 hours ago, paaraujo94 said:

Dears

My xbox 1.6 is working intermittently.
Checking the PSU, it was identified that where it should present 5v, I find approximately 1v.
In addition, there is noise in the low voltage sector.

In visual analysis, there are no components with deformations.

However, this behavior is intermittent and, at the moment I write to you, it is working normally.

Any tips on how to fix?

Could be bad swtiching mosfet, or output capacitors. But you need oscilloscope to check :\.

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19 minutes ago, paaraujo94 said:

I'll replace the output capacitors. I found a kit with all capacitors for PSU.

 

buy one of these badboys: https://www.ebay.com/itm/153922461374?epid=1643234426&hash=item23d67e5ebe:g:7GMAAOSwWP1etCmN&amdata=enc%3AAQAHAAAA8Fd9WVuhSMJAwLO55i1685biGDLicS02%2FYZdsWd6gkGWvT68TPXl%2B%2FBdgIaLnP%2FhxONYlnDYAe9ti2WLyqPclbanIxTSQvRt3aIvItpQBKnc0xuJFwPIr0ldGnvBXcnNqBS1PLV67rsArrH4MorjQWQuH1Y4Lgiv6MYTggKiG4thtkgv0G%2FI3kaKVzXMBDjtjvSN748MSLaCwOO9zJ6igTReroFXj8h8wTEk%2BhTj99ySpQPCS6VbAuJfyos9dos1VdSw8IBhy8it1bkJH6zq2%2BORm%2BKlPBv2dsLG5mGJ4VALWUKNzEda%2BY%2F9jNLpuZ%2Fk9A%3D%3D|tkp%3ABk9SR4Cr7IeiYQ

cheap, but effective. Will make replacing capacitors a breeze. I had no problems desoldering ps4 analog stick, and they are through hole connected, people use hot air station to remove them, and i used cheapy electric desoldering gun. :D

 

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