other pc power supply schematic

e_eja · Jan 8, 2004

pc power supply schematic

i have all schematic pc PS but when i trying to service new ATX PS the old schematic didn't match with the new PS
is any one have newes schematic about ATX PS i would be pleasen to have it ?
isi anyone have the buildup PC PS example from compaq and soon please tell me where the link's?

FoxyRick · Jan 10, 2004

pc power supply scheme

Here is a collection of PC power schematics, there is at least one ATX in there. Hope they are of some use.

Cheers,
FoxyRick.

Surej · Apr 17, 2004

ka7500b schematic

Any power supply scheme for Compaq Presario 1200 ..?

WBR

Surej

sawwa7 · Mar 12, 2005

psu schematic

hi all colleagues
if any one has a power supply schematic for a ready made computers like compaq, dell, hp ..... etc
it would be greatly appreciated if u can post any of them here
please if u have any schematics or just url to download any of these mentioned brands post it here
thanks alot in advance
best regards

fsmyth · Mar 22, 2005

atx power supply scheme

There are a few drawings and links at:
**broken link removed**

I will be adding more in the future.

I have an old discussion board at:
**broken link removed**
with some entries on PeeCee supplies.

<als>

sawwa7 · Mar 24, 2005

psu scheme

hi fsmyth
thanks alot for the links , they were of great help and hope that u can post more specially for the dell and compaq power supplies .
well , there were also a simple inductance measuring bridge that's attached here but ther were no info about how it works and components details or any construction tips .
if u can supply any details it would be of great help and thanks in advance
Regards

Johnson · Aug 12, 2005

atx power supply schematic diagram

Which voltage sources on ATX, typically are used in feedback control and output regulation control?

mero_shearar · Jan 29, 2006

psu schematics

Hi All
thies are some schmatics i have downloaded from the internet They maybe old
but thy cover the basic idea of most of PSU
I hope If some one who has some modern PSUs like Enermax,Antek Or other types to tray to make achematic for them & bost Them Here because i cant find any of these on the internet
Goodby

Added after 2 minutes:

Sorry Here Is The File

zsdicky · Apr 6, 2006

atx psu schematic

but are they stable?

lobitoferoz · Sep 23, 2007

pc power supply schematics

thanks for schematic

Added after 6 minutes:

ATX400W FOR PC GOOD¡¡

kenny1234 · Nov 23, 2007

enermax schematic

Hi ,

ATX 200W power supply, for reference

lss_00 · Nov 24, 2007

at psu schematic

Look in this post.

I hope the will help.

Goodby

jrguy8 · Apr 13, 2008

compaq power supply schematic

is there a psu schematic with PFC or active PFC?

mister_rf · Apr 13, 2008

pc psu schematics

see here:
https://www.onsemi.com/pub_link/Collateral/MC34262-D.PDF
https://focus.ti.com/lit/ds/symlink/ucc28510.pdf

jrguy8 · May 7, 2008

psu schematic diagram

does anybody has a atx psu schematic with pfc or know how to add pfc to atx psu?

e_eja · Jun 9, 2008

pc psu schematic

where i can get the explanation about how PSU working??

fsmyth · Jul 17, 2008

atx power supply schemes

fsmyth said:
There are a few drawings and links at:
**broken link removed**

I will be adding more in the future.

I have an old discussion board at:
**broken link removed**
with some entries on PeeCee supplies.

<als>

Pages have been moved. Stuff added. New location:
**broken link removed**

diginode · Aug 16, 2008

power mosfet k3533

can anyone help me for schemetic diagram for atx psu 400w construct by useing tl494 & op-amp 339 (commomly used in frotech, nav-tech,foxin, mercury etc)

sawwa7 · Aug 16, 2008

pc power supply diagram 400 w

diginode said:
can anyone help me for schemetic diagram for atx psu 400w construct by useing tl494 & op-amp 339 (commomly used in frotech, nav-tech,foxin, mercury etc)

Hi
try this one i think it's the same as u asked for and here IC1 = KA7500B is the same equivalent pin to pin for TL494 , hope this will help

have a look here :

it's already posted here and couldn't upload it
Kind Regards

diginode · May 24, 2009

mosfet k3533

sawwa7 said:
diginode said:

can anyone help me for schematic diagram for atx psu 400w construct by using tl494 & op-amp 339 (commonly used in frontech, nav-tech,foxin, mercury etc)

Click to expand...

Hi
try this one i think it's the same as u asked for and here IC1 = KA7500B is the same equivalent pin to pin for TL494 , hope this will help
have a look here :

it's already posted here and couldn't upload it
Kind Regards

Thanx for identifying the circuit, I have some SMPS like that which is made Tl494, LM339, And 2X13007, and three transformer E33, E16 & E19. all has problem is that not load the MB. So, if you or anyone help to trouble shoot the PSU to solve that problem, will be greatness. thanx again.

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