Question about Dell W2600 26 in. LCD Television

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Dell 2600 TV No Power

I also have a Dell 2606C (2 years old)TV with the no power problem. I checked the power board and verified it to be OK. 5VDC is supplied to the control board I suspect to keep the remote power on circuit active. I have contacted Dell and as instructed and have recieved the .....its out of warentee so now its your problem response. Is there a specific person or dept. to talk to about getting a referbished set or a replacement control circuit board?
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Http://www.dellcommunity.com/supportforums/board/message?board.id=si_hmtheatre&thread.id=2509

Posted on Jul 02, 2008

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Solution #4 posted on Sep 04, 2008 Dell 2600 TV No Power - 0%20stars_w.png
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Blonde7000
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I have written to dell about this faulty TV not powering up and find it unbeleivable that they cannot tell you what component has failed on the Power Supply.
It's all very well replacing them with new ones.

This means that Dell are responsible for allowing faulty TV Sets to be dumped into the Environment.

It also means that Dell are responsible for allowing people to remove the backs from these TV Sets and exposing themselves to dangerous voltages.

Why should their customers have to pay for phone calls.

I put in a complaint on their web site and got asked rediculous questions about Customer Numbers and Tag Numbers etc.

It took me nearly 2 months of writing and asking what was the problem with these TV Sets.

Here you have a lot of people with the same fault which proves conclusively that their is a common component failure and there are web sites like this where everyone is complaining about Dell.

That announcement by Dell (Above) is total rubbish.

Why doesn't Dell announce what is wrong with these TV Sets so that people like myself can repair the set.

If it is a Capacitor or a resistor, why doesn't Dell say "What Value it is and what it's circuit reference number is?

If it is an IC Why doesn't Dell say What IC has failed and where one can be obtained, instead of this Dump the TV Set into the Environment attitude.

If Dell doesn't know what's wrong with this TV Set by now, then they seriously want to stop dealing with the public and the Public want to refuse to have anything to do with them,

I have had this Power Supply Board out of this TV set for more than a year wanting to know what component has failed so i can replace it and get this TV Set working?

It is a very simple question?

After all this time of writing they admitted that the Dell TV26 is manufacrtured by Samsung.

I wrote to Samsung and they deny the TV Set is manufactured by them.

Either Samsung or Dell is lying to the Public and i want to know the Truth.
What exactly is wrong with this TV Set with regard to it's Power Supply so i can fix it myself?

I can confirm that Dell is the worst Company that i have ever come across in my life and have caused me nothing but grief and i have had enough of them.

I would be happy if they went into liquidation after the way they have treated me.

The Idiot that wrote that above failed to announce what it is that is wrong with this set and as a result in summary:

Dell doesn't care about creating waste into our Environment.

Dell doesn't care about putting it's customers through a communications nightmare and even making them pay for phone calls.

Dell blames another Company (Samsung)

Dell fails to announce to the Public what components have failed within the DELL TV 26 Power Supply.

Dell has the worst user friendly web site i have ever seen in my life.

Dell has no Email contacts to put questions to it's company about faulty Products such as this.

Dell doesn't care less if one or more of it's customers gets electrocuted by messing around with these TV Sets.

I pray that no one ever deals with this Company again because all this was pointed out to them in all my emails and i could not get a straight answer from them.

This TV Set belonged to my Father who passed away recently and Dell couldn't careless about that either.

Posted on Sep 04, 2008

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Your problem either lies with the power supply or main board. I suggest you start with the power supply. Make sure you have standby (5vdc) power with the set plugged in. I would also check for any bulged power supply caps. I would also suggest you verify that you have a 110vac outlet in good working order!

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Good day!

Please follow this procedure to fix your problem:
  1. Open the cover of your TV.Remove all screws at the back.
  2. Next,power ON the TV and check the output voltage of power supply using voltmeter.
  3. It should have not less than 5vdc for system board,12vdc for sounds and 24vdc for inverter board.If the 3 supplies are got a voltage drop your power supply had problem.For example if you check the 5vdc then the reading is 4.50vdc only.
  4. If you have voltage drop,check some leak/bulge on top capacitor on power supply.replace it by using soldering iron and soldering pump.
  5. When the power supply looks like OK,no voltage drop and no leak/bulge on top capacitor.The problem is your system board or main board.There's no easy remedy for that.You have to replace the whole system board.
I hope this solution helps you to fix your problem.Thank you and good luck.

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Good day.

Please check the power supply.
This the procedure:

  1. Open the cover,remove all screws at the back.
  2. Plug in the cord then power on the TV to perform voltage data/voltage check.
  3. Check the output voltage of power supply by using a voltmeter.5vdc,for system board 12vdc for sounds and 24vdc for inverter board/back-light.
  4. If the supply got voltage drop specially on 5vdc.Unplug your TV then check some leak/bulge on top capacitor and replace it.
  5. After you replace the capacitor.Plug-in the cord and power it ON again to test if it is OK.
I hope that procedure will fix your problem.Thank you and good luck.

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Good day!

This are the steps to find and fix that problem.


  1. Open the cover of your TV.
  2. Disconnect the input supply of system board or main board that comes from the power supply unit.
  3. Power ON the TV to check the voltage reading of disconnected connector to the input of system board by using voltmeter.
  4. Check the 5vdc and 12vdc by using voltmeter.If you got voltage reading of 5vdc and 12vdc,try to connect the input connector of the system board and check the voltage again.If no voltage when you connect it.There's a shorted parts on your system board.Replace the whole system board because its very difficult and expensive to repair it.
  5. When the input voltage of system board doesn't have 5vdc and 12vdc even disconnected on the board.The problem is on power supply.
Check the following:
  • Fuse-Check the fuse if busted.
  • Transistor and diode-Check the transistor and diode if shorted.
  • Resistor-Check the resistor if open/change value.
  • Capacitor-Check the capacitor if leak/bulge on top.
If you found the defective parts that mention above.Replace it with the same type and ratings.
NOTE:If the following parts are OK and the problem is still there.The power supply have major problem and its not for D.I.Y..

Thank you and good luck

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Good day.

Please check the power supply.
This the procedure:

  1. Open the cover,remove all screws at the back.
  2. Plug in the cord then power on the TV to perform voltage data/voltage check.
  3. Check the output voltage of power supply by using a voltmeter.5vdc,for system board 12vdc for sounds and 24vdc for inverter board/back-light.
  4. If the supply got voltage drop specially on 5vdc.Unplug your TV then check some leak/bulge on top capacitor and replace it.
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First, try unplugging it from the outlet for about an hour to see if the TV will reset itself since the minute the TV is plugged into the wall, the power supply and processor will be running 24/7 and the EPROM can get corrupted by spikes and surges. Try using good quality surge suppressor to see if it will help if it happen often.
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1)The power supply module (There are 4 regulated output voltages:- Standby 5vdc, switched 5vdc, 12~16vdc, and 24vdc).

The power supply converts the 120/230vac 50/60Hz into DC, then the high frequency (50~100kHz) switching circuits convert it back to AC but at high frequency which allows the power supply to use smaller and much lighter weight transformers (Ferrite core instead of heavy iron core), then this high frequency AC voltage is fed to the rectifier Diodes to get the DC output and filtered by DC filter capacitors that must have low ESR (Equivalent Series Resistance), if general purpose electrolytic caps are use, they will fail within a year or less due to high ESR.

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Bad capacitors leaking or bulging tops:
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