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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Posted on Jan 02, 2017

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I ned to unlock the bios psword for dell latitude e6420


The solution depends on whether your laptop was made before or after 2004. If it is a post-2004 model, you must call Dell Support to reset the password for you.

If it is a pre-2004 model, you can follow these steps:

Perform the safety steps in the order below.
Warning: these steps are for your personal safety and the protection of the equipment.
    Turn off your computer, and then unplug the power cable.
  1. Wait 5 seconds.
  2. Disconnect all external devices.
  3. Disconnect any telephone or network cables from your computer.
  4. Press and hold the Power button while your computer is unplugged to dissipate static electricity from the motherboard.
  5. Before touching anything inside your computer, ground yourself with a wrist-grounding strap or by touching an unpainted metal surface, such as the metal at the back of your computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity.

To use the jumper to reset the BIOS password

Note: On the Dell Manuals page, download the Setup Guide or Service Manual for your laptop. Then refer to the System Board Components section for a labeled illustration of the jumpers on the motherboard.
  1. Ensure that your work surface is flat and clean to prevent scratching your laptop's cover.
  2. Remove the battery from your laptop.
  3. With your laptop still turned off and unplugged, remove the cover.
  4. To locate the password jumper on the motherboard, look for the letters PWD, PSWD or PSWDCLR.
  5. Choose an option:
    If there are 2 metals pins under the jumper
    1. Remove the jumper from the pins, replace the cover, reconnect the power cable and turn on your laptop.
    2. After the Windows logon screen appears, turn off your laptop.
    3. Again, disconnect the power cable. Press and hold the power button for 10 seconds to release static electricity from the system.
    4. Remove the cover.
    5. Replace the jumper in its original position covering the 2 pins. This will re-enable password feature.
    6. Replace the cover.
    7. Reconnect the power cable and other connections, replace the battery and turn on your laptop.

    If there are 3 pins under the jumper
    1. Remembering which two pins are covered, remove the jumper from those pins.
    2. Reinstall the jumper in a different position. For example, if you removed the jumper from pins 2 and 3, reinstall the jumper over pins 1 and 2.
    3. Replace the cover and reconnect the power cable.
    4. Turn on your laptop and wait 5 seconds. Then press and hold the Power button until it turns off again.
    5. Disconnect the power cable again. Press and hold the power button for 10 seconds to release static electricity from the system.
    6. Replace the jumper over the original 2 pins.
    7. Replace the cover.
    8. Reconnect the power cable and other connections, replace the battery and turn on your laptop.

    You can now assign a new system and/or setup password. For more password information, refer to the Passwords section of your laptop's service manual.

Nov 23, 2013 | Dell Latitude E6420 PC Notebook

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Cant get the timer to power up, I know incoming power is on 2 and 7 .do i need to jump to other terminals?


RTE-p1ad is 24-volt AC 8-pin on-delay timer.

Manual for RTE-P1 & RTE-P2
http://www.idec.com/language/english/catalog/U908/G_Timers_RTE.pdf

geno_3245_267.jpg
I have not wired the P1 timer.
Manual shows for ON-delay, 24VAC input power goes to terminals 2 and 7
Using multimeter set to read ohms, check continuity between pins 7 and 8 to see if these pins are connected internally, or if you need jumper.
Also check continuity between pins 1 and 2 for same.

When power is applied to 2 and 7, the ON delay countdown begins.
When countdown ends, the switches are activated.
geno_3245_268.jpgSwitches are represented by angled line that connects to terminals 1 and 8. When countdown ends, the switch moves left and and completes circuit to other wire.

Using multimeter set to 24VAC, you can check each of the pins by putting power to 2 and 7 and checking which pins have power after countdown ends.
The NC normally closed terminals are 1 and 4, and 5 and 8, so it appears that these terminals are ON all the time until countdown ends and 'contacts transfer power.' Test the pins to be certain.

There are contact numbers for product:
USA: (800) 262-IDEC or (408) 747-0550, Canada: (888) 317-IDEC

Feb 02, 2011 | RTO Idec Rte-p1ad24 24vac/dv Electronic...

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

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

My computer won't turn on. Everything's dead.


1) Check to make sure your surge protector has power. Power On LED light is lit.

2) Check THE receptacle, in the surge protector that the computer is plugged into.
I have had a few bad surge protectors where just THAT receptacle was bad.
"Hmmm, surge protector Power On LED light is lit.
Monitor, printer, and router plugged into the surge protector have power."

Plugged a table lamp into THAT receptacle in the surge protector, that the computer was plugged into, found it to be bad.

3) Perform the test to check whether it is a bad Power On switch, or a bad Power Supply.

The Power On switch is located inside the plastic Power On button.
This is a generic Power On switch (ATX), that I have found fits many computers,

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

The test involves bypassing the Power On switch. Has nothing to do with the Power On switch wires.
A jumper wire is used on your 20, or 24-pin ATX main power cable's connector.

The jumper wire goes from the Soft Power On wire, (Also referred to as PS_ON. It is a Green wire), to ANY Black wire in the main power cable's connector.

Since you didn't post what computer you have, (Computer manufacturer, and Model Number), I have to give you generic information.
It may also be, that there is no direct information available for the computer you have.

1) This is a 20-pin ATX main power cable, and it's connector,

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

2 This is a 24-pin ATX main power cable, and it's connector,

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

[Older computers use the 20-pin ATX main power cable. Later computers needed more power to the motherboard, hence 4 more power wires were added. 24-pin ATX main power cable ]

Computer unplugged from power, observe Anti-Static Precautions.

[ Anti-Static Precautions:
Your body carries Static electricity.
Static will fry out (Short Circuit) the hardware components inside a computer.

Computer on a table, computer unplugged from power, computer case open; TOUCH the metal frame of the open computer case.
This will relieve your body of Static.

While working on your computer your hands, and forearms should occasionally touch the metal frame.
But if you leave your computer in the middle of working on it, be SURE to Touch the metal frame again upon your return ]

If you bypass the Power On switch, and the computer comes on, (Power Supply comes on), you have a bad Power On switch.

If you bypass the Power On switch, and the computer Does Not come on, (Power Supply), you have a bad Power Supply.

The test is to use a jumper wire on the 20, or 24-pin ATX main power cable's connector.
The jumper wire connects from the Soft Power On wire, (Green), to ANY Ground wire. (ALL Black wires are Ground wires)

The 20, or 24-pin ATX main power cable is plugged into the motherboard.
The Power Supply, (Computer), is plugged into power.

Use one end of a jumper wire, to go down into the socket hole with a Green wire, and the other end of the jumper wire to go down into a socket hole, with ANY Black wire.

The jumper wire must go down into the socket hole pretty far.
The jumper wire goes down into the socket hole, right next to the wire that is already in the socket hole.

The jumper wire has to go down in the socket hole far enough, to touch a metal terminal that is on the end of the wire.
I realize that this may look complicated on 'paper', but I'm just being very detailed.

Most use a jumper wire made from a paper clip. The paper clip's diameter is thin enough to slide down into the socket hole, right next to the wire that is already in the socket hole. (And touch the metal terminal at the bottom of the wire)

The paper clip is straightened out, then bent into a U-shape.
Black plastic electrical tape is wound around the middle of the U-shape.
The taped part is what you hold onto.

The voltage for the Soft Power On wire, (Green) is 5 Volts DC.
Two D cell flashlight batteries produce 3 Volts DC.
Just in case you have reservations.

There may be a spark. Warning you in advance.
You may wish to use a glove, on the hand that holds the jumper wire.
Just make a brief contact with the jumper wire. No more than 2 seconds should suffice.

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.
No if's, and's, or but's about it.


Tell me the computer manufacturer name, and model number, and we'll see if a compatible Power Supply can be found.
Post in a Comment.

Oct 06, 2010 | Computers & Internet

1 Answer

My desktop computer wont power on


Suggest you see if the problem is the Power On switch, or the Power Supply.

(First check to see if the receptacle in the surge protector, that the computer is plugged into, has power.
Have had a few bad surge protectors, where just THAT receptacle was bad.

"Hmmm, surge protector power on LED light is lit. Monitor, printer, and router have power, that are plugged into the surge protector.

Plugged a lamp into THAT receptacle, and found it to be bad)

To test whether the Power On switch, or the Power Supply is bad, a jumper wire is used to bypass the Power On switch.

[ The Power On switch is located inside the plastic Power On button.
This is an example of a generic ATX Power On switch, that I have found fits many computers,

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

The jumper wire is used on the 20, or 24-pin ATX main power cable's connector.
While still plugged into the motherboard.

The jumper wire connects to the Soft Power On wire, (Green), and to any Ground wire. (Black)

Example of a 20-pin ATX main power cable, and it's respective connector,

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

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

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

Using the jumper (Wire) to bypass the Power On switch, turns the Power Supply on?
The problem is a bad Power On switch.

Using the jumper to bypass the Power On switch, does Not turn the Power Supply on?
The problem is a bad Power Supply.

There is a correct procedure for performing this test.
Post back in a Comment if you wish to know.

Regards,
joecoolvette

Sep 20, 2010 | Computers & Internet

2 Answers

The horn is not working on my 2003 F150. Where is the fuse for this model. Could ther be any other issues.


Could be the clock spring, the relay or the horns themselves.

Pull the horn relay, and jumper the normally open contacts. The horn relay is in the BJB ( aka Battery Junction Box / Engine compartment fuse panel ). It is BJB half size relay 205.

Pull the relay, and using the diagram below to jumper the normally open contacts.

9824084.jpg

If this works, next is to test the coil operation, which are pins #1 & #2. Pin #1 should be the power from BJB Fuse #7, pin #2 is ground from the horn switch via the clock spring on the steering wheel.
Use a meter to test from pin #1 to a known good ground ( i.e. neg side of the battery or a factory ground lug on the fender ).
If you have + DC on that pin, next is to test the ground pin in the relay socket. Using a meter with DC-V from pin #2 to the + side of the battery, have someone press the horn switch on the steering wheel. If this tests OK, could be a problem with the relay. You can swap the fog lamp relay ( 206 ) or the trailer tow backup lamp relay ( 203 ) into this position to test with.
You can also bench test the relay by applying power and ground to pins #1 & #2 and a meter set to resistance on pins #3 & #5. The resistance should be less than 100 ohms with power applied to pins #1 & #2.

Apr 22, 2010 | 2003 Ford F150 Regular Cab

1 Answer

I'm trying to trouble shoot a PC power supply. I want to know which pins to jumper (short) on the EPS12V cable connector (4 pin, 2 yellow, 2 black) to turn the power supply on (on the bench).


hello sir, hi, ITS NOT THE 4PIN You will jumper short to test the power supply, bu the green one to be shorted to the black one. They are located on the 20/24pin power connector.

Nov 19, 2009 | Computers & Internet

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

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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