Question about TruTech PVS31170S1W 17 in. LCD Television

1 Answer

I believe the backlight is out, can it be replaced? if so, cost?

Ive had this problem with dell monitors. i think this set has been knocked over a couple of times, but today there was a power surge/flicker.

Posted by on

  • tullurean Feb 07, 2009

    Thanks Stevo,

    it's my aunt's tele, so now i know. would you happen to have any idea about the cost of a replacement backlight?


  • tullurean Feb 07, 2009

    Right on,

    Thanks Again for the speedy reply, the tele is about 2 years old... so it looks like a lil bit green(back) for the light.

    the tullurean


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Yes, just take your monitor to the repair shop & tell them what is the problem.

Posted on Feb 07, 2009

  • StevoT1 Feb 07, 2009

    If it's brand new & the Warrenty is still good it will cost you nothing

    but if not then your talking about $ 50.00 - $100


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I was watching tv like always then the screen just went black i can still hear what the show is saying but cant see nothing. ..ive tried to unplug it and restart the whole thing but no luck

Chances are the backlight for the screen has failed. With the set on, take a flashlight and shine it at an angle onto the screen. If, when looking closely at it, you can see a faint picture, then the backlight circuit has failed. This can be either die to the inverter or the lamp it self. Depending on the age of the set, repair can be more costly than replacement.

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It has a picture but it is jumping what do you think could be wrong with it?

There can be many things that can cause a jumping or unstable picture. The power supply is the starting point. You would have to be able to monitor the voltage outputs to determine if there is instability.

Then there is the testing of the circuit boards by monitoring the proper waveforms, as per indicated in the service manual. You will require the proper test instruments for this. Once the defective board is found it will have to be replaced.

If the set is out of warranty, it may be more worth while to replace it. Servicing out of warranty can be too expensive to be cost effective.

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Aging message appear on samsung syncmaster 910mp

This message is generated when the backlighting tubes have aged so much they no longer are capable of operating normally - it's not a defect, your monitor has just worked too much.
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May 04, 2011 | Televison & Video

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I have a w2607c that doesn't display when I turn it on. I got the Dell screen to appear once. but after that there will be nothing, the power light will just blink Blue. It doesn't turn amber at all. ...

You need to troubleshooting it to narrow down to which board is bad, it can be the power supply board or the backlight inverter baords.

You need to do the voltage checking and visual inspection.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:

Failed TV and Monitors:

Capacitors kit: he can make you a set of caps.

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I'm assuming that on normal tv/cable stuff it does this as well.

This could be a backlight problem or a mainboard problem. When the tv blacks out you need to look at it (maybe use a flashlight) very close and at a slight angle at the side. If you see an image that looks normal but very faint then the backlight or its power supply is the problem. You may see the menus when you look this close but when you back up to a normal viewing distance everything fades out.

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Check out the screen and then contact Dell and any local tv shops. Get estimatesfor the repair cost. And keep an eye out for what a replacement tv is worth. Backlights go out on any lcd device such as tvs or laptops. The repair cost for those using sub-board is now reasonable, unfortunetly those models with evreything on one big board are not cheap.

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The mainboard is damaged, Not really sure about the cost but Samsung parts are not really expensive, I believe it should be between $50 - $100 just the board, and you will need to pay for someone to install it.

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1 Answer

Dell W1700 picture went out. Still have audio.

I have just did this here is the solution for you:

MoniServ, Inc.
Philips screw driver
Small Flat screwdriver
that’s all!
Make sure your desk is clean and you also need a piece of soft clothes because you need
to place your LCD Monitor face down.
How to open the back cover:
First, remove all screws on the back cover, then, use a small flat head screw driver to
push down
the plastic Clip inside the LCD Monitor star at the bottom of monitor. Then you can easily
separate the front bezel and back cover like the photos shown below.
Backlight Inverter Installation Procedures for Dell W1700
Place the Monitor
Face Down
Push This Plastic Button
Down and Remove
Swivel Base as shown
on Next Photo
Remove these
Star at the bottom of monitor as
shown on photo.
Use a small flat head screw drive
to push down the plastic clip.
Do it one side at the time as
shown on next 2 photos

When you have unlocked all 4 sides of plastic clips, Place the monitor face down again
as shown on photo
Slowly tilt
upward from
left side of
back cover
Disconnect this cable and
remove back cover
Remove two
screws and Pull
out this small
circuit board
Disconnect Speaker
cable and remove
the tapes
Backlight cables.
Remove these screws
on the both side of
Slowly tilt upward the chassis and disconnect the flat cable
between Chassis and Panel As shown on next 2 photos.
Holding the chassis upward and
Use small flat head screw drive
to unlock this plastic clip
Slowly pull it out
Remove defective inverter board and replace with our New Substitute Board
(T501045.00MSS) and re-install all disassembly components back. Now your LCD
Monitor working again.
MoniServ Substitute Board is available at
Backlight Inverter board.
Photo Shown with our Substitute Board
Remove 4
screws and
this cable

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1 Answer

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3 Answers

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