Corsair CX500: Difference between revisions

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|Destructive Entry = No
|Destructive Entry = No
}}
}}
 
The Corsair CX500 is one of the budget model PSU's. It's very similar to the CX450 and CX600 and its modular counterpart CX500M.
The Corsair CX500 is one of the budget model PSU's. It's very similar to the CX450 and CX600 and its modular counterpart CX500M.




This PSU used CapXon brand capacitors, so they might fail quicker than usual.
This PSU used CapXon brand capacitors, so they might fail quicker than usual.
==Known Issues==
==Known Issues==
====Cause====
====Cause====
After several years of use, the computer will sometimes not turn on. In-particular the the 'Power Good' signal will not work even though it's outputting all the voltage rails correctly.
After several years of use, the computer will sometimes not turn on. In-particular the the 'Power Good' signal will not work even though it's outputting all the voltage rails correctly.
 
====Solution====
====Solution====
 
*Change/Modify a single resistor. This is <u>not</u> a capacitor issue
*Change/Modify a single resistor. This is <u>not</u> a capacitor issue




==Original Parts==
==Original Parts==
Located on the back of the PCB, near the middle.
Located on the back of the PCB, near the middle.
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Resistors
!RefDes
!RefDes
!Qty
!Qty
!Capacitance
!Resistance
!Mount
!Mount
!Size
!Size
Line 43: Line 38:
|Unknown
|Unknown
|}
|}
==Replacement Parts==
==Replacement Parts==
{| class="wikitable"
{| class="wikitable"
|+Resistor
|+Resistor
! rowspan="2" |RefDes
! rowspan="2" |RefDes
! rowspan="2" |Qty
! rowspan="2" |Qty
! rowspan="2" |Replacement Part Type
! rowspan="2" |Compatible Part Number
! rowspan="2" |Compatible Part Number
! colspan="6" |Distributor Links
! colspan="8" |Distributor Links
[ Preferred / Search ]
[ Preferred / Search ]
|-
|-
Line 57: Line 51:
! colspan="2" |Mouser
! colspan="2" |Mouser
! colspan="2" |Farnell
! colspan="2" |Farnell
!RS Components
!LCSC
|-
|-
|R45
|R45
|1
|1
|15K
|15kΩ 0805 (2012 Metric) SMD Resistor
|RE0805FRE0715KL / RC0805FR-1315KL / RL0805FR-7W0R33L / RC0805FR-0715KL / FRC0805J153 TS
|[https://www.digikey.co.uk/en/products/detail/yageo/RE0805FRE0715KL/5923506 Part]
|[https://www.digikey.co.uk/en/products/detail/yageo/RE0805FRE0715KL/5923506 Part]
|[https://www.digikey.com/ 🔎]
|[https://www.digikey.com/ 🔎]
Line 67: Line 64:
|[https://cpc.farnell.com/yageo-phycomp/rl0805fr-7w0r33l/resistor-0805-1-0-33r/dp/RE05964?st=resistor Part]
|[https://cpc.farnell.com/yageo-phycomp/rl0805fr-7w0r33l/resistor-0805-1-0-33r/dp/RE05964?st=resistor Part]
|[https://uk.farnell.com 🔎]
|[https://uk.farnell.com 🔎]
|[https://uk.rs-online.com/web/p/surface-mount-resistors/1995658?gb=b Part]
|[https://www.lcsc.com/product-detail/Chip-Resistor-Surface-Mount_FOJAN-FRC0805J153-TS_C2933528.html Part]
|}
|}
Generally speaking you do not need to buy a resistor. Most SMD's can be obtained from an old circuit board. If you can not find a 15K you can use a slightly higher value.
Generally speaking you do not need to buy a resistor. Most SMD's can be obtained from an old circuit board. If you can not find a 15K you can use a slightly higher value.
 
Alternatively you can parallel up a resistor on top of the existing resistor.  E.G use a value from 47K to 100K and solder it directly on top.  Providing Pin 1 of the power monitoring IC is about 2.5v.  (as long as it is above the 1.3v it currently is)


Alternatively you can parallel up a resistor on top of the existing resistor. E.G use a value from 47K to 100K and solder it directly on top. Providing Pin 1 of the power monitoring IC is about 2.5v. (as long as it is above the 1.3v it currently is)
==Related Media==
==Related Media==
*[https://www.youtube.com/watch?v=4X3nBE0Ys8E Video Repairing the PSU]
*[https://www.youtube.com/watch?v=4X3nBE0Ys8E Video Repairing the PSU]
==Additional Images==
==Additional Images==
Line 81: Line 78:
File:IC-PS229.png|Partial schematic around the Monitor Chip
File:IC-PS229.png|Partial schematic around the Monitor Chip
</gallery>
</gallery>
==References==
==References==
[https://pdf1.alldatasheet.com/datasheet-pdf/view/825483/SITI/PS229.html PS229 Power Monitor IC]
[https://pdf1.alldatasheet.com/datasheet-pdf/view/825483/SITI/PS229.html PS229 Power Monitor IC]

Latest revision as of 20:28, 1 July 2023

This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:ReplacementParts category because it was flagged as missing information on replacement parts. If it has the original parts listed you may be able to search for replacements using the parametric searches available from parts distributors. If you have or make a list of replacement parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
Corsair CX500
Preliminary Information
Release Year ~2013
Leak Risk Low
Mounting Technology Through Hole, SMD
Capacitor Types Aluminum Electrolytic, Ceramic
Destructive Entry No

The Corsair CX500 is one of the budget model PSU's. It's very similar to the CX450 and CX600 and its modular counterpart CX500M.


This PSU used CapXon brand capacitors, so they might fail quicker than usual.

Known Issues

Cause

After several years of use, the computer will sometimes not turn on. In-particular the the 'Power Good' signal will not work even though it's outputting all the voltage rails correctly.

Solution

  • Change/Modify a single resistor. This is not a capacitor issue


Original Parts

Located on the back of the PCB, near the middle.

Resistors
RefDes Qty Resistance Mount Size Brand
R45 1 22K SMD 0805 Unknown

Replacement Parts

Resistor
RefDes Qty Replacement Part Type Compatible Part Number Distributor Links

[ Preferred / Search ]

Digikey Mouser Farnell RS Components LCSC
R45 1 15kΩ 0805 (2012 Metric) SMD Resistor RE0805FRE0715KL / RC0805FR-1315KL / RL0805FR-7W0R33L / RC0805FR-0715KL / FRC0805J153 TS Part 🔎 Part 🔎 Part 🔎 Part Part

Generally speaking you do not need to buy a resistor. Most SMD's can be obtained from an old circuit board. If you can not find a 15K you can use a slightly higher value.

Alternatively you can parallel up a resistor on top of the existing resistor. E.G use a value from 47K to 100K and solder it directly on top. Providing Pin 1 of the power monitoring IC is about 2.5v. (as long as it is above the 1.3v it currently is)

Related Media

Additional Images

References

PS229 Power Monitor IC