Question about HP/COMPAQ - 0950-2060 (09502060) Power Supply

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HP 0950-2060 Power supply turns on for about 1-2 seconds after you push the ON switch then the power dies & there are no DC outputs.

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Go online and do a search for a computer power supplys as I do when I need one and find all I need at a touch of a button for less then 30 bucks most of the time + shipping. Good luck

Posted on Apr 02, 2006

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Ultra 750 watt power supply ,+12 dc volt output showing ac component of 1.5 to 2.7 volts on new unused ps


Is this with or without a load?
There is always some ripple on the DC output of a switching mode power supply, and the less the load, the greater the ripple.
Measure the power supply under full load, that's the real test!

Feb 26, 2011 | Ultra Computers & Internet

1 Answer

My ASUS A3H suddenly just died on me. its plugged in on DC. yellow power light is on, blue light on the power switch is on but it doesnt work. no matter how many time i push the switch nothing happens. ...


1. Take the battery out of the laptop & try to turn on the laptop using power adapter only. If the computer turns on, then the battery is defective & needs to be replaced.
2. Make sure the power adapter is not defective. Test the output voltage of the power adapter using a voltmeter. Compare the voltmeter reading to the nominal value written on the adapter or the laptop.
3. Make sure the DC jack is not loose or broken. A loose DC jack will need to be re-soldered. A broken one will need to be replaced.
4. If you have another processor which is compatible with your laptop's model, try swapping processors & test to see if the laptop will work.
5. The power button could be bad
.
6. The motherboard could be defective & needs to be replaced.

Sep 17, 2010 | ASUS A3H Notebook

1 Answer

MY RCA 27" WILL NOT TURN ON, HAVE POWER TO THE FUSE, THE FUSE IS GOOD ALSO BUT THE DEGAUSS RELAY DOES NOT CLICK AND NO OTHER CLICKS ARE HEARD EITHER, WHAT COULD BE WRONG?


you need to check the voltage output of your power supply section.This power supply supply is a switching type power supply.there is a chopper transformer in there.its supply is a dc voltage unlike any other transformer which is AC supplied on the primary..First step.
1.Using a multitester measure the primary supply it is a DC voltage around 220v - 110 VDC
2.Measure the secondary output.The out put is AC voltage the supply for the B+ going to plyback is 115vdc the second output is 12v run through a regulator and the regulator lower the voltage to 5vdc.this 5vdc supplies the system IC and the jungle IC.this ic process the switching of the plyback transformer and the plyback transformers output supplies the voltage of the whole system including your relay in the degaussing section....once the plyback is activated the tv will now turn on...

good luck!Hope i helped you..

please rate my help..god bless!

Jun 13, 2010 | RCA F27641BC 27" TV

1 Answer

Lambda ews600-18 voltage goes down.


there is a short circuit protection and overoad protection to smps so o/p capacitor may short or secondary diode may short .so check voltage at primary when switched off after 33seconds whether switching process is going or not for that check dc volt at i/p capacitor then check volt at collector of transistor if metr shows 1digit then switching is going if not then meter shows full dc volt check component near about that

Apr 13, 2010 | Lambda 40-Watt Power Supply

1 Answer

Code 803


E803 (The output voltage of the composite power PCB has a fault.) Cause Wiring Composite power supply PCB (J208) Continuity DC controller PCB Composite power supply PCB
• If it does not turn on, see "The scanning lamp fails to turn on." • If it turns on but is dark, replace it (its ends may be blackened). Correct the connection. Connect it securely. Replace the harness. Replace the DC controller PCB. Replace the composite power supply PCB.
Turn off and then on the main power. Is the problem corrected? Does the scanning lamp turn on when the Copy Start key is pressed? Or, is it dark after it has turned on. Is the connection between J111 on the DC controller PCB and J204 on the composite power PCB good? Is the connection of the connector J208 on the composite power supply PCB normal? Check the 24-VDC line between J111 and J204. Is its continuity good? Is there an output of 24 VDC at the J111-1 and J111-3 on the DC controller PCB

Mar 16, 2010 | Canon imageRUNNER 400S Copier

1 Answer

Power to Amp but no lights and does not switch on


(1)When the unit is switched on the relay clicks in,but no sign of life, and then five seconds later the second relay clicks on/off don't know which. This symptom is DC outputted to speaker terminals. Check any DC at power amp stage output.(2)Must have blown up.
Positive. If Caps blew, your amp shutted itself down within 5 seconds due to + & - power supply creating an unbalanced +B & - B voltage not allowing your amp to turn on.

Oct 05, 2017 | Optimus STA-3500 Receiver

2 Answers

Yamaha RX-V995 receiver turns on & then powers off 2 seconds late


I suggest you run self diag.  press [FM/AM] key + [Input mode] key and press the [power/standby] switch.

ps prt = power supply problem
dc prt = shorted output or leakly cap in channel
tmp prt means to hot on heatsink

you'll likely have to measure the resistances of the output FETs to find a short, 

Jan 02, 2009 | Yamaha RX-V995 Receiver

1 Answer

Power supply


if you are in usa, you need 1-468-809-11 POWER UNIT input ac 110 volt and output 8.5volt dc
and if you are in uk, then
1-468-811-11 POWER UNIT input ac 220 volt and output 8.5 volt dc
bye.

Sep 08, 2008 | Sony ICF-CD855VSIL Clock Radio

1 Answer

Flashing yellow


Good Day, davidsonkens;

Try the lamp first; to check try this:

1. (Lamp may light and go out) suspect bad lamp part # 915P020010 2. Check for 12-volts DC at J-9 connector pin 4 on the Engine Driver PCB, if missing check for an open F9A09 on the Power PCB, if it is open replace F9A09 part # 283P127060 and the Light Engine part # 939P977010 3. (Lamp may light and go out) Check for 5-volts DC at J-9 connector pin 1 and 2 on the Engine Driver PCB if low or missing check C9A37 and C9A38 both 3300 UFD 10 V part # 181P732040 on the Power PCB (part # 930B921002) 4. At power on the lamp turns on and off three times and then the unit shuts down with a red lamp LED (lamp error). Replace the Light Engine part # 939P977010 5. Lamp enable line at J14 pin 6 does not switch to 5 volts after turn on, 12 and 5 volt supplies are good. Suspect the Light Engine part # 939P977010 6. Lamp enable line at connector J14 pin 6 on the Engine Driver PCB switches to 5 volts after turn on and does go to 0-volts (low) after 5 seconds, 12 and 5 volt supplies are good. Suspect the Lamp Power PCB (ballast) part # 939P978010 7. Lamp enable line at connector J14 pin 6 on the Engine Driver PCB switches to 5 volts after turn on but does not go back to 0-volts (low) after 5 seconds, 12 and 5 volt supplies are good. Suspect the Light Engine part # 939P977010. Good Luck, big IRISH. back.gif

Jun 21, 2008 | Mitsubishi WD-52525 52" Rear Projection...

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