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smps not working


http://www.itwinkle.com/hp57posub.html

Nothing special about that Power Supply except for the PRICE!

It's just a regular ATX SMPS with a 575 Watt maximum rate wattage, and an 8-pin EPS +12 Volt power cable.

The HP part number is HP 405349-001
I just THOUGHT the above model was expensive,

http://www.sears.com/hp-405349-001-hp-575watt-power-supply-for-workstation/p-SP101A9790S5492818201P

Uses one 24-pin ATX main power cable,

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

One 8-pin EPS +12 Volt power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#eps8

[NOTE*
NOT to be confused with the 8-pin PCI Express power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#pciexpress8

Yellow wires are 12 Volt wires. Black wires are Ground (Negative) wires.
The 8-pin EPS +12 Volt power cable has FOUR 12 Volt wires.
The 8-pin PCI Express power cable has THREE 12 Volt wires ]

I believe 4 SATA power cables,

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

,and a few 4-pin Peripheral power cables, ('Molex'),

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

Power Supply case dimensions are approximately
6 Inches Wide, 5.5 Inches Long, and 3.5 Inches in Height.
(152.40mm Wide, 139.70 Long, and 88.89mm in Height )

36 Amps combined for the two 12 Volt power rails.
(12V1 = 18 Amps, 12V2 = 18 Amps)

This is an example of a replacement SMPS,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=899124&CatId=1483

I'm running one of these right now in a Dell Optiplex 745
Yes, even though the power cabling noted on the Tigerdirect ad is erroneous, it DOES have an 8-pin EPS +12 Volt power cable.

One 24-pin ATX main power cable
Four 4-pin Peripheral power cables
Six SATA power cables
One Small 4-pin Peripheral power cable. (Used for a Floppy Drive, or a Card Reader)

Two 12 Volt power rails. 12V1 = 23 Amps, 12V2 = 20 Amps
Combined = 43 Amps on the 12 Volt power rail.

Repair?
Due to the possible electrocution hazard, I don't post info on repair.
I will state;
The capacitors need to be PROPERLY discharged, before attempting to work on the unit.
The Radial Aluminum Electrolytic Capacitors are the weakest link.


For additional questions please post in a Comment.

Regards,
joecoolvette

Feb 17, 2013 | HP Computers & Internet

1 Answer

How does P4 Connector connect to the CD Rom Drive


Hmmm, P4 is usually a designation, for a 4-pin ATX +12 Volt power cable,

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

I see though that they have P2 as the 4-pin ATX +12 Volt power cable, and P4 as a SMALL 4-pin Peripheral power cable,

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

This type of power cable is used on a Floppy Drive, or a Card Reader.
Not a Harddrive, or Optical Drive. (CD/DVD drive)

The Standard 4-pin Peripheral power cable, is used on an IDE (PATA) harddrive, or optical drive,

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

Rounder corners on the Top of the plug connector.
Only plugs in, in one direction.

Owner's Manual > Page 109 -
Power Supply DC Connector Pin Assignments

P1 = 24-pin ATX main power cable,

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

P2 shown above - 4-pin ATX +12 Volt power cable

P3, P5, and P6 are SATA power cables,

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

If you have a SATA optical drive (CD/DVD drive), the above is the power cable used.

Uses a SATA data cable,

http://en.wikipedia.org/wiki/File:SATA_ports.jpg

SATA data cable connector on motherboard, is shown below the SATA data cable.

NOTE*
Color does NOT matter

For additional questions please post in a Comment.

Regards,
joecoolvette

Nov 09, 2012 | Dell Inspiron 531s Desktop Computer

1 Answer

Vizio Flatplate units


This is a great place to get free service and training manuals (Sharp has good training manuals for their model). I use this place a lot.
www.elektrotanya.com

http://elektrotanya.com/?q=showresult&megnev=Sharp&megnev2=lc-26&kategoria=tv&kat2=all

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

I hope all these information will help.

Jul 16, 2010 | Televison & Video

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