VIA EPIA CN Mini ITX PC: Difference between revisions

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TV Out: VIA VT1625 HDTV Encoder
TV Out: VIA VT1625 HDTV Encoder
==Known Issues==
==Known Issues==
===Symptom or Problem Encountered===
===Symptom or Problem Encountered===
Machine powers down unexpectedly and/or is generally unstable. Out of spec values for voltage rails are shown In the PC Health Status screen of the BIOS.
Machine powers down unexpectedly and/or is generally unstable. Out of spec values for voltage rails are shown In the PC Health Status screen of the BIOS.
====Causes====
====Causes====
*Failing capacitors on the power supply board and/or a failing power brick
*Failing capacitors on the power supply board and/or a failing power brick
====Solutions====
====Solutions====
*Replace capacitors on the power supply board. May also need to replace the power brick.
*Replace capacitors on the power supply board. May also need to replace the power brick.
==Original Parts==
==Original Parts==
=== Power Brick ===
=== Power Brick ===
This device came with a 19 V 4.74 A power brick. Barrel plug is 5.5 mm OD x 2.1 mm ID, and is center (tip) positive.
This device came with a 19 V 4.74 A power brick. Barrel plug is 5.5 mm OD x 2.1 mm ID, and is center (tip) positive.
===Power Supply Board===
===Power Supply Board===
[[File:VIA_EPIA_CN_-_Power_Supply_Board.jpg|200px|thumb|left|Closeup view of the PSU board]]
[[File:VIA_EPIA_CN_-_Power_Supply_Board.jpg|200px|thumb|left|Closeup view of the PSU board]]
''Power supply board is labeled "Migrus C5" and is located in the front left corner of the case.''
''Power supply board is labeled "Migrus C5" and is located in the front left corner of the case.''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
Line 61: Line 55:
!Temp
!Temp
![https://caps.wiki/wiki/Capacitor_Types Type]
![https://caps.wiki/wiki/Capacitor_Types Type]
!Brand
!Series
|-
|-
|EC1, EC3, EC7, EC11
|EC1, EC3, EC7, EC11
Line 72: Line 68:
|105 °C
|105 °C
|Electrolytic
|Electrolytic
|Chengx
|KM
|-
|-
|EC12
|EC12
Line 83: Line 81:
|105 °C
|105 °C
|Electrolytic
|Electrolytic
|
|
|-
|-
|EC13
|EC13
Line 94: Line 94:
|105 °C
|105 °C
|Electrolytic
|Electrolytic
|
|
|-
|-
|EC2, EC6, EC8, EC9, EC10
|EC2, EC6, EC8, EC9, EC10
Line 105: Line 107:
|105 °C
|105 °C
|Electrolytic
|Electrolytic
|Chengx
|
|-
|-
|EC4, EC5
|EC4, EC5
Line 116: Line 120:
|105 °C
|105 °C
|Electrolytic
|Electrolytic
|JWCO
|
|}
|}
== Replacement Parts ==
== Replacement Parts ==
=== Power brick ===
=== Power brick ===
Any 5.5/2.1mm center (tip) positive power brick rated at 19 V and at least 4.74 A should work. The author of this page is using this [https://www.amazon.com/gp/product/B074J81XRB/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1 Nobsound power adapter] and it is working well.
Any 5.5/2.1mm center (tip) positive power brick rated at 19 V and at least 4.74 A should work. The author of this page is using this [https://www.amazon.com/gp/product/B074J81XRB/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1 Nobsound power adapter] and it is working well.
Examples:
* Power Supply:
** Meanwell GST90A19-P1M ([https://www.digikey.com/en/products/detail/mean-well-usa-inc/GST90A19-P1M/7703719 DigiKey], [https://www.mouser.com/ProductDetail/MEAN-WELL/GST90A19-P1M?qs=V113mesSgriT46t%252BtP2GqA%3D%3D Mouser]) + DC PLUG-P1J-P1M ([https://www.digikey.com/en/products/detail/mean-well-usa-inc/DC-PLUG-P1J-P1M/12142221 DigiKey], [https://www.mouser.com/ProductDetail/MEAN-WELL/DC-PLUG-P1J-P1M?qs=rI7uf1IzohS8MPwUZbHFhw%3D%3D Mouser]) or DC PLUG-P1J-P1MR [Right Angle] ([https://www.digikey.com/en/products/detail/mean-well-usa-inc/dc-plug-p1j-p1mr/12142227 DigiKey], [https://www.mouser.com/ProductDetail/MEAN-WELL/DC-PLUG-P1J-P1MR?qs=rI7uf1IzohSQnX3oNDBD7w%3D%3D Mouser])
* Cable:
** DigiKey
*** 1Ft: [https://www.digikey.com/en/products/detail/bel-inc/PC-ABK001F/15777841 PC-ABK001F]
*** 3Ft: [https://www.digikey.com/en/products/detail/bel-inc/PC-ABK003F/15777844 PC-ABK003F]
*** 10Ft: [https://www.digikey.com/en/products/detail/bel-inc/PC-ABK030M/15777851 PC-ABK030M]
** Mouser:
*** 1Ft: [https://www.mouser.com/ProductDetail/Volex/17002A-10-B1?qs=sGAEpiMZZMvXcJVS4l7FP47WUFSNTlbSI%252BgAL0mgzVU%3D 17002A 10 B1]
*** 3Ft: [https://www.mouser.com/ProductDetail/Volex/17000A-10-B1?qs=sGAEpiMZZMvXcJVS4l7FP47WUFSNTlbSP6zUt0yxYGg%3D 17000A 10 B1]
*** 6Ft: [https://www.mouser.com/ProductDetail/Qualtek/312007-01?qs=sGAEpiMZZMvXcJVS4l7FP2sIAhhtkKRCGROoupOJyRY%3D 312007-01]
*** 9Ft: [https://www.mouser.com/ProductDetail/Volex/17501-10-B1?qs=sGAEpiMZZMvXcJVS4l7FP47WUFSNTlbSD4pW1SyhIjI%3D 17501 10 B1]


=== Power Supply Board ===
=== Power Supply Board ===
There is a fair bit of wiggle room on and above the board, so you can fudge a little on the cap dimensions. In particular, the cap they used for EC12 was a very short "low profile" one which is hard to find, and was easily replaced with another (more "normal" sized) capacitor of the same values.
There is a fair bit of wiggle room on and above the board, so you can fudge a little on the cap dimensions. In particular, the cap they used for EC12 was a very short "low profile" one which is hard to find, and was easily replaced with another (more "normal" sized) capacitor of the same values.
=== Basic PCB Name ===
{| class="wikitable sortable"
|+Capacitors
!RefDes
!Qty
!Compatible Part Number
!Order Links
|-
|EC1, EC3, EC7, EC11
|4
|REF1225222M025K / UHW1E222MHD / 25YXJ2200M12.5X25
|[https://www.digikey.com/en/products/detail/kyocera-avx/REF1225222M025K/20096484 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/UHW1E222MHD?qs=Ajmft%252BTTukEKrhwdh6VoqA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-25YXJ2200M12-5X25_C111500.html LCSC]
|}


== Related Links ==
== Related Links ==
*[https://cdn.viaembedded.com/eol_products/docs/epia-cn/user_manual/UM_EPIA-CN_114.pdf User's Manual]
*[https://cdn.viaembedded.com/eol_products/docs/epia-cn/user_manual/UM_EPIA-CN_114.pdf User's Manual]
 
*[https://www.minipc.de/en/catalog/il/62 minipc.de page]
*[http://www.teket.cn/en/motherboard/via/epia-cn.htm teket.cn page]
*[https://pcper.com/2006/06/via-launches-ultra-low-power-via-epia-cn-mini-itx-mainboard/ Article from launch]
==References==
==References==
<references />
<references />

Latest revision as of 22:04, 10 March 2024

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
This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so.
VIA EPIA CN Mini ITX PC
Preliminary Information
Release Year 2012
Leak Risk Medium
Batteries CR2032
Mounting Technology Through Hole, SMD
Capacitor Types Aluminum Electrolytic
Destructive Entry No

The VIA EPIA CN is a Mini ITX mini PC based on the VIA C7 processor.


Processor: VIA C7 @ 1 GHz (x86 w/PAE)

Chipset: VIA CN700 North Bridge, VIA VT8237R-series South Bridge

Graphics: Integrated C-Pro AGP with MPEG-2 Acceleration

Audio: VIA VT1618 8-channel AC'97 codec

Memory: 1 x 240-pin DDR2-533 (PC2-4200U DIMM (maximum of 1 GB)

Slots: 1 x PCI (broken out to 2 x PCI using riser card)

IDE: 2 x UltraDMA 133/100 controllers

LAN: VIA VT6103 10/100 Ethernet

TV Out: VIA VT1625 HDTV Encoder

Known Issues

Symptom or Problem Encountered

Machine powers down unexpectedly and/or is generally unstable. Out of spec values for voltage rails are shown In the PC Health Status screen of the BIOS.

Causes

  • Failing capacitors on the power supply board and/or a failing power brick

Solutions

  • Replace capacitors on the power supply board. May also need to replace the power brick.

Original Parts

Power Brick

This device came with a 19 V 4.74 A power brick. Barrel plug is 5.5 mm OD x 2.1 mm ID, and is center (tip) positive.

Power Supply Board

Closeup view of the PSU board

Power supply board is labeled "Migrus C5" and is located in the front left corner of the case.

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
EC1, EC3, EC7, EC11 4 2200 µF 25 V Through Hole 13 mm 22 mm 6 mm 105 °C Electrolytic Chengx KM
EC12 1 100 µF 25 V Through Hole 6.5 mm 7.5 mm 2.5 mm 105 °C Electrolytic
EC13 1 680 µF 10 V Through Hole 8.2 mm 12.7 mm 4 mm 105 °C Electrolytic
EC2, EC6, EC8, EC9, EC10 5 1500 µF 16 V Through Hole 10.3 mm 21 mm 5.5 mm 105 °C Electrolytic Chengx
EC4, EC5 2 470 µF 16 V Through Hole 8.25 mm 12.5 mm 4 mm 105 °C Electrolytic JWCO

Replacement Parts

Power brick

Any 5.5/2.1mm center (tip) positive power brick rated at 19 V and at least 4.74 A should work. The author of this page is using this Nobsound power adapter and it is working well.


Examples:

Power Supply Board

There is a fair bit of wiggle room on and above the board, so you can fudge a little on the cap dimensions. In particular, the cap they used for EC12 was a very short "low profile" one which is hard to find, and was easily replaced with another (more "normal" sized) capacitor of the same values.

Basic PCB Name

Capacitors
RefDes Qty Compatible Part Number Order Links
EC1, EC3, EC7, EC11 4 REF1225222M025K / UHW1E222MHD / 25YXJ2200M12.5X25 DigiKey Mouser LCSC

Related Links

References

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