Question about Sparkle Power : 300W FSP300-60PLN PFC Power Supply (PSSP04) Power Supply

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No power up

What pins do I need to jumper on P1 to bench testing out of the computer? Model FSP300-60PLN Sparkle Power INT'L

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You need to locate the PS_ON pin and short to ground (GND). This pin may vary depending on model and I don't know if green is the standard color for this, but it is green on the unit I just looked at for reference and it it aso shown here http://pinouts.ru/Power/atx_v2_pinout.shtml
any black wire should be ground

Posted on Dec 19, 2008

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Connecting two wires with a jumper will turn it on. Google the model to find out which wires.

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What is the value of R61 resistor


It's not worth enough to warrant you risking your life to replace it. Especially on that piece of garbage PSU. You can die if you try fixing a power supply and touch the wrong thing inside. Seriously.

Jun 11, 2012 | SPARKLE Computer Sparkle ATX-300GT 300W P4...

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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...

1 Answer

How can you tell if a Dell power supply for a PowerEdge 2900 is good? Should the lights at least indicate when power is connected even with the PS is removed from the machine? How do you best determine if...


You cannot test the power supply on the bench just by connecting it to the mains power. You need to know which pins on the connector to activate the power supply and you need to connect a load to the power leads.
The best way to test the power supply is to leave the power unit connected to the computer power up the computer and test a spare 4 wire power connector with a multi-meter. Leave the other power leads connected to the various drivers.
If computer's power LED should light up then test the voltages.
The Red and black wire should read 5 volts.
The Yellow and black wire should read 12 volts.
If the power LED does not light up, check the mains lead in another appliance to see if the mains lead is OK.
If the mains lead is OK then most likely the switch mode power supply has died.

Dec 28, 2010 | Dell 930-Watt Power Supply

1 Answer

My dell dccy will not power on. It was working fine and was powered off but will not power back on. I have checked the power cord. I have opened the case and reseated all connectors. Pushing the power on...


Yes, it's called bypassing the Power On switch. Has nothing to do with the switch itself, or it's wires.

You use a jumper wire on the 20 or 24-pin ATX main power cable's connector.
Touch the jumper wire from the Green wire (Soft Power On) to ANY Black wire. (Ground)
(Soft Power On is abbreviated as PS_ON)

If the Power Supply comes on, the problem is the Power On switch.
If the Power Supply does Not come on, the problem is the Power Supply.

1) 20-pin ATX main power cable,

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

2) 24-pin ATX main power cable,

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

Look at the photos of the ATX main power cable plugged into the motherboard.
Where the wires go down into the connector is the Back of the connector.

This is where the jumper wire goes down into.

The jumper wire goes down into the socket hole, in the Back of the connector, RIGHT NEXT to the wire IN the socket hole.
The jumper wire has to go pretty far down in the socket hole.

[ATX power cable plugged into the motherboard, Power Supply plugged into power ]

At the end of every wire in the ATX main power cable's connector, is a metal terminal.

A Female Molex Crimp Terminal connector,

http://www.alibaba.com/product-gs/336134982/molex_female_crimp_terminal_connector/showimage.html

[You can click on the Zoom In icon { + } at the top to enlarge the view]

The jumper wire Must touch that metal terminal.
The jumper wire is made from a straightened out paper clip, bent into a U shape.
The middle of the U is wrapped a few times with Black plastic electrical tape.
This where your fingers hold onto the jumper wire.

(One wrap of Black plastic electrical tape is good for 600 Volts DC)

One 'leg' of the U shaped jumper wire goes down into the socket hole with a Green wire.
The other 'leg' of the U shaped jumper wire goes down into ANY socket hole with a Black wire.
(ALL Black wires are Ground wires)

The contact period made is no longer than 2 seconds.

The Voltage is 5 Volts DC.
Two flashlight batteries produce 3 Volts DC.

This is one generic ATX power on switch that I have found fits many computers,

http://www.directron.com/atxswitch.html

NOTE*

WATCH IT when buying an aftermarket Power Supply for your computer, if it needs one.
For a time period Dell was strictly a Proprietary computer manufacturer.
Dell wanted THEIR parts used in THEIR computers only.

They had the motherboard manufacturer switch the pins around in the ATX main power cable connector, on the motherboard.
They also had the Power Supply manufacturer switch the power cables around in the Power Supply.

This means if you plug an ATX main power cable, from an aftermarket Power Supply, into one of these proprietary Dell motherboards, you WILL fry out the motherboard!

Can also fry out the Processor, Ram Memory, and Harddrive. (Plus a graphics card if you have one installed)

CHECK the color code of the aftermarket Power Supply's ATX main power cable, to the color code of the Dell power supply.

See that the color code of the wires matches the socket holes in the connector.

Have further questions regarding this, post in a Comment.

Regards,
joecoolvette

Nov 29, 2010 | Dell System Power Supplies

1 Answer

I have a desktop. when i turn it on nothing happens.


Test whether the problem is the Power On switch, or the Power Supply.

The Power On switch is located inside the plastic Power On button. It's removable in most cases.
This is a typical ATX power on switch,

http://www.directron.com/atxswitch.html

To test you will bypass the Power On switch.

If 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.

The test doesn't involve the Power On switch, or it's wires.

It involves the 20 or 24-pin ATX main power cable, the Soft Power On wire, (Green), and ANY Ground wire.
(Black)
A jumper wire is used from the Green wire to ANY Black wire.

Computer unplugged from power, observe Anti-Static Precautions, BEFORE you reach inside.

Anti-Static Precautions:
Your body carries Static electricity.
Static will fry out (Short Circuit) the hardware components inside a computer.
Computer unplugged from power, TOUCH the metal frame of the open computer case. Touch an unpainted surface.

This action will relieve your body of Static.
Should you leave your computer in the middle of working on it, be SURE to Touch the metal frame again upon your return.

You may have to ease a few cables over to view the motherboard.
You are looking for the 20, or 24-pin ATX main power cable.
(Don't know if your model uses a 20-pin, or a 24-pin.
This is what you're looking for,

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

Scroll down to see the 24-pin ATX main power cable.
Look at the photo to the far right.
The Green wire is the Soft Power On wire.
ANY Black wire is a Ground wire.

With the ATX power cable plugged into the motherboard, as shown in the photo to the far right, you are going to insert a jumper wire down into the socket holes.

The jumper wire goes down in the socket hole, Right next to the wire that is in the hole.
It goes down in far enough to touch a metal terminal, that is at the end of the wire.
(Approximately 1/2 inch)

The jumper wire of choice is a paper clip straightened out, then bent into a U-shape.
The middle of the U is wrapped a few times with black plastic electrical tape.
(Trivia: One wrap of black plastic electrical tape is enough for 600 Volts DC)

The voltage you will be dealing with is 5 Volts DC.
Two D cell flashlight batteries produce 3 Volts DC.

You may wish to wear a glove on the hand that holds the jumper wire. There may be a small spark.
The Power Supply, (Computer), is plugged into power.

One end of the U-shaped jumper wire, is inserted down into the socket hole with a Green wire. (Right next to the wire)
The other end is inserted down into a socket hole with ANY Black wire.
The contact made is no more than 2 seconds. (1001, 1002)

If the computer comes on, (Power Supply actually), the Power On switch is bad.
If the computer does not come on (Power Supply), the Power Supply is bad.








Oct 20, 2010 | Acer (56.04145.901) (5604145901) Power...

1 Answer

Computer does not turn on


you can try your power supply if it works by jumpering its pin. try to insert copper wire in pin 11 and connect it to pin 12. and turn o your power supply. But if it won't works then used tester and test its circuit boards particularly  is capacitors, resistors and even the transformer inside the power supply. Or if you can't make it then you can call a technician either in computer or electrical to test your power supply if it still working or not. In that wy can be sure in making decision if its really your power supply got problem or not.


Thanks

Jun 26, 2009 | Lite On (PA41519B1) 150-Watt Power Supply

1 Answer

Computer won't powere on, green light flasing on back.


HI...the motherboard of your computer has a BIOS which needs to be reset. By resetting:

1. Turn off the computer and unplug the power cord
2. remove the button battery(CR2032) on the motherboard
3. right next to the battery has a jumper
4. move the jumper over by one pin and wait 10 seconds.
5. move back the jumper and put in the battery
6. finally, power up the computer

Hope this helps

May 18, 2009 | HP System Power Supplies

1 Answer

NO Signal


I suspect that your power supply may have overheated if its fan is not working properly try another power supply

Aug 06, 2008 | Sparkle Power 400-Watt Power Supply

1 Answer

Schematics forpower supply


Go to this site: http://pinouts.ru/pin_Power.shtml.

It should have the pinout info you need. If you're intending to fix the unit, you can get a replacement (with more power) at this site for less than $20, including shipping: http://www.geeks.com/.

Apr 04, 2008 | Sparkle Power (FSP250-60SPV) (FSP25060SPV)...

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