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I need a schematic diagraqm for a Pacific Power Supply ATX 1U

A computer switching supply

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  • Contributor
  • 35 Answers

Do you have the exact model of the power supply? There are a lot of these running around but without the model it's hard to say which one.

Posted on Dec 01, 2014

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

DickCanFixIt
  • 948 Answers

SOURCE: I just need a schematic for the ATXpower250 power supply.

http://www.helpwithpcs.com/courses/power-supply-basics-inc-pinouts.htm#atx-psu-pinouts

Posted on Jan 20, 2009

byteguy
  • 2229 Answers

SOURCE: ATX 350W Switching power supply doesn't power-up

Replace it.

Posted on Jul 23, 2009

Dreamornaut
  • 55 Answers

SOURCE: I need a power supply compatible with Cooler

The Cooler Master RS-600-AMBA-D3 600W ATX12V V2.3 SLI Certified Crossfire ready 80 PLUS certified modular active PFC.

Cooler Master eXtreme power RS550-PCARE3-US 550W ATX12V V2.3 SLI ready CrossFire ready power supply.

Two models that should fit with that tower. Cheers!

Posted on Aug 20, 2009

lqv77
  • 6 Answers

SOURCE: i need datasheet for AT2005 IC

Datasheet here:

http://www.china-ate.com/PDF/IC/AT2005B.pdf

Posted on Sep 07, 2009

  • 691 Answers

SOURCE: I have a burned out Bestec ATX-250-12z power supply

yes it should do provided your current psu is not a small mATX one. ATX power supplies are pretty generic. Make sure you get one that has enough connectors to suit your system, having said that, Considering it's an off the shelf PC I would guess most PSU's would have the right number and type of connections.

Posted on Jan 10, 2010

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3 Answers

Schematic atx diagram


I give up! Why would you need a schematic for a computer power supply? I've been in the computer business for over 30 years and have never needed a power supply schematic. Just curious!

Sep 18, 2013 | Antec BP350 350-Watt Power Supply

1 Answer

My power went out and when it came back on the computer would not come on


eMachines uses low quality hardware components inside their computers. This is the way they can sell them at budget prices.

One main hardware component is the low quality power supply they use.
A generic power supply made by Bestec. (A generic power supply manufacturer)

(PSU. Power Supply Unit. The type of PSU used is a SMPS.
Switched-Mode Power Supply,

http://en.wikipedia.org/wiki/Switched-mode_power_supply )

Low quality;
A) Electrolytic Capacitors (Radial Aluminum Electrolytic Capacitor)
B) Rectifier Bridge
C) MOSFET/s
D) Wiring is too small in gauge
to name a few of the components.

However IMHO it is also best to check out the Power On switch.
There is a simple test to see whether the problem is a faulty Power On switch, or a faulty Power Supply.

The test involves bypassing the Power On switch. The Power On switch is not involved in this test.
A jumper wire is used on the Soft Power On wire, [ PS-ON ], and a Ground wire in the ATX main power cable connector.

If you bypass, and the Power Supply comes on you have a bad Power On switch.
If the Power Supply does Not come on you have a bad Power Supply.
If you would like to know more in detail on how to perform this simple test, simply post so in a Comment.

The Power Supply used is just a common ATX version.
ATX refers to the Form Factor of the power supply.
Regular size ATX form factor is approximately 6 inches Wide, 5-1/2 inches Long, and 3-1/2 inches Tall. (Height)

There are also differences in the pinout of the ATX main power cable.
Yours may have 20-pins, or 24-pins.
Power Supply's sold now take this into consideration.
Their ATX main power cable can be used as a 20-pin, or a 24-pin version.

[ General example of a 20-pin ATX main power cable, and it's connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

Example of a 24-pin ATX main power cable, and it's connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

Your motherboard may also require an additional power cable, commonly referred to as a P4 power cable, or P4 ATX 12V power cable, or just ATX 12V.
The actual name is 4-pin ATX +12 Volt power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

If you would like help in finding an inexpensive reliable Power Supply, please post in a Comment.
I will need to know what Model Number of eMachine you have. It's on the back next to the Windows product key, or up on the side of the computer tower.

If you need anything explained that I have stated here, please let me know in a Comment.
Regards,
joecoolvette

Apr 21, 2011 | E-Machines Bestec ATX-300-12E Rev. D 300w...

5 Answers

There is no power switch on the enhance atx 1123b that I have . What actually powers it up?


Just about every power supply I've owned doesn't have a power switch. The power supply is turned on by one of the wires in the 24 pin connector. According to this it looks to be pin 16 and how to turn it on:

"Short this pin to GND to switch power supply ON, disconnect from GND to switch OFF."

Hope this helps

Ray

Mar 01, 2011 | Enhance Technology ATX-1123B, Enhance...

1 Answer

Dell ATX(12v) power supply


The fact that it is made by Dell is irrelivent.

ATX is a standard and so are 20 and 24 pin motheroboard connectors.

You should find what you need by searching for: power supply unit on Wikipedia and Google.

Good luck!

Apr 08, 2010 | Dell 200W ATX Power Supply GX1 - GX110...

3 Answers

I need datasheet for AT2005 IC


Datasheet here:

http://www.china-ate.com/PDF/IC/AT2005B.pdf

Jan 30, 2009 | OEM Systems ATX P4 350 Watts Power Supply...

1 Answer

I just need a schematic for the ATXpower250 power supply.


http://www.helpwithpcs.com/courses/power-supply-basics-inc-pinouts.htm#atx-psu-pinouts

Jan 20, 2009 | StarTech.com (ATXPOWER250) 250-Watt Power...

1 Answer

I have an old e machine 500 (origional operating system was windows 98). I am replacing the ATX switching power supply , 230 wat, model lp6100a. My problem is connecting it. I know all the connectors...


The old AT power supply that these old computers uses has two six pin socket connectors and these are different to the ATX connector.
You cannot buy these power supply now, most likely you might find one/computer in a junk shop.
If you have electronic knowledge you might be able to cut off the connectors from the old power supply and connect it to the ATX power supply and modify the ATX power supply so you can switch on the power to the old computer. The old AT power supply uses a mains power switch whereas the ATX uses low voltage to turn on the power supply.
Good luck & have fun.

Nov 29, 2008 | Powmax 400 Watt ATX Switching Power Supply...

1 Answer

HEC-250BR SCHEMATIC


This page seems to contain all the info you need but it is unusual that the supply does not have a chart defining lead colors and output capabilities.
http://www.wikihow.com/Convert-a-Computer-ATX-Power-Supply-to-a-Lab-Power-Supply  

Sep 07, 2008 | Computers & Internet

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