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Replacing ballast board

Hi! My VPL-CS4 powers on intermittently - every 2-3 weeks. In researching the solution I read your answer to the problem "LED won't come on and only faint hum is heard". How does one replace the ballast board? Got any suggestions?

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I want a ballast board part number 913700808905 EUC120P/H11 where can i get one its for a samsung dlp tv

Posted on Jul 28, 2009

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Ballast board is difficult to obtain better ask good service center for help.

Posted on Jul 08, 2008

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1 Answer

My sony VPL-CS7 projector lamp goes of very minutes

1,if the lamp can be lit for 1minute,so the lamp is ok
it seems that the lamp ballast or mother board is defective.pls check them
any questions, feel free to ask me
have a nice day!
Jerry Lampdeng Limited

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1 Answer

No power on light

That's interesting.. After researching that model I can tell you that it has an intergrated internal power supply(transformer) which does contain a fuse. It is located where your power cord plugs into, inside the unit, start with that. Was it plugged into a surge protector? When you had the power failure the second time was there a fluctuation of power, ie your lights in your house flickering on or off or increasing, decreasing in brightness? This will help me determine if it's something else. Also be sure to check your power cord, look for any kinks, breaks, chips in insulation. Anyway Good Luck

Sep 29, 2007 | Sony VPL CS4 Multimedia Projector

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My sony projector vlp-cs4 is no power on... Please how to do?

check the power cable first. also check the power at the wall out let. if all ok, the ur projectors smps power supply have some problem. check the same if found faulty replace it. for any assistance feel free to contact through fixya.

Dec 26, 2010 | Sony VPL CS4 Multimedia Projector

4 Answers


Projector on Standby, press RESET, <<=, ==>, ENTER to reset lamp timer.

May 14, 2009 | Sony VPL CS4 Multimedia Projector

1 Answer

Sony vpl-cx10 ,,powers up but no light

If the new lamp didn't make a difference, it is most likely your lamp ballast that needs to be replaced.

Mar 31, 2009 | Sony VPL CX10 Multimedia Projector

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VPL-HS60 Scene Dimming

Hi 3mad

This is quite a sticky one as this could either be the lamp or the Ballast ( lamp's powersupply )

And the bad thing is that the only way to be certain , would be to first replace the lamp and if this continues the Ballast as well.

I would suggest you to replace the lamp first , as this is never a waste , you could always keep it as a spare and 99% of the time it is the lamp will give this kind of problem.

Good luck and thanks for using Fixya !

May 21, 2008 | Sony VPL-HS51A / VPL-HS60 Multimedia...

1 Answer

Lampcover brightining

Hi there

Your Projector needs a new lamp and do remember to reset the lamp timer after replacing the lamp .

Mar 24, 2008 | Sony VPL CS4 Multimedia Projector

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Sony VPL-CS1 projector

Hi there

You should first check if there is any visible damage on your lamp. If not then it could be a faulty Ballast ( lamp powersupply )

Mar 14, 2008 | Sony VPL CS1 Multimedia Projector

7 Answers

No power to Sony cs4

Ok - So i finally located the problem for the Stby lights not coming on......

Mine had the same procedure as all the other posting this - Could take up to 48 hours for the light to come on but this time only the whistling sound from the fan house on the front was present.

So i dissmounted the power supply located on a standing card at the back of the housing and found the faulty component :)

The solution for this problem is a IC in that board called IC MCZ3001DB changes this and all your problems with the projector not starting will be solved.

Oct 30, 2007 | Sony VPL CS4 Multimedia Projector

1 Answer

Sony VPL-CS4 projector

Denis, by default laptops usually output only to their own lcd panel. There must be a key combination on your laptop wich rotates output in 3 steps: lcd panel only, lcd + TV (projector), TV only. The key combination uses a special Function key (FN) usually blue (found near left Ctrl key)with one of the numeric keys. So, first make sure your laptop output is correct and then try input key on your projector.

Aug 15, 2007 | Sony VPL CS4 Multimedia Projector

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