Question about Dell W1700 17 in. HD-Ready LCD Television

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Dell w1700 As with most Dell w1700's no picture only audio. I replaced the backlight inverter board and fired it up and the tv worked perfectly. Only problem is no picture on the pc monitor side only a test pattern. Obviously I have done something while it was apart. Cable and hook-ups all fine. Any ideas?

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  • sukhenkoi Mar 21, 2008

    My Dell W1700 worked fine for 3.5 years. But one day I turned it on and got black screen with only sound.

    I took everything apart. I don't know which board to replace and where to get it.

    Any suggestions?

    Igor

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Make sure your in the right PC input. There is Analog PC for VGA and then Digital PC for DVI

Posted on Mar 04, 2008

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1 Answer

Dell w1700 audio and video but no backlight is this a cheap and easy fix?


It more likely to either be the 24vdc power supply is not wrking or failed backlight inverter board, need to find out if it has 24vdc feeding the inverter board first.
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:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

Jul 29, 2010 | Dell W1700 17 in. HD-Ready LCD Television

1 Answer

Dell W1700 LCD TV static audio and b/w picture


Hi bsut96,
Check the cable between the monitor and the box for damage. Try a new cable. It may be a problem with the input board but it sounds like a cable problem. Let me know what you find and please rate this solution. Lone99star

Jan 20, 2009 | Dell W1700 17 in. HD-Ready LCD Television

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Dell W1700 When I turn it on, the picture comes on for a moment


replace the capacitors, the surface mount fuses and the

surface mount FET's ( SO-8 package.. there are 4 of them )

the original part is obsolete..
replace with Alpha & Omega Semiconductor part #: AO4622
which is digikey: 785-1046-1-ND

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Jan 07, 2009 | Dell W1700 17 in. HD-Ready LCD Television

1 Answer

Dell W1700 picture went out. Still have audio.


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

MoniServ, Inc.
http://www.moniserv.com
Tools:
Philips screw driver
Small Flat screwdriver
that’s all!
Preparation:
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
screws
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
Disconnect
Backlight cables.
Remove these screws
on the both side of
Panel
Caution!!!
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
http://www.lcdpart.com/Products/t50104500mss.html
Backlight Inverter board.
Photo Shown with our Substitute Board
Remove 4
screws and
disconnect
this cable

Nov 29, 2008 | Dell W1700 17 in. HD-Ready LCD Television

1 Answer

Screen blackout


I had the same problem and fixed it with a new backlight inverter board. It was a pretty easy install. The part is available on eBay. http://cgi.ebay.com/New-Inverter-for-Dell-W1700-17-inch-LCD-TV_W0QQitemZ400017456720QQcmdZViewItemQQptZLH_DefaultDomain_0?_trksid=p3286.m20.l1116

Nov 07, 2008 | Dell W1700 17 in. HD-Ready LCD Television

1 Answer

Dell W1700 17" HD LCD


analyse your picture quality futher

Oct 03, 2008 | Dell W1700 17 in. HD-Ready LCD Television

2 Answers

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The inverter is out a very common problem on that unit. www.lcdrepair will fix the unit for $59

May 25, 2008 | Dell W1700 17 in. HD-Ready LCD Television

3 Answers

Dell W1700 new inverter board, same problem!


you may have gotten a bad board. this board is the most common failure to the back lights lighting. the cffl's can not be replaced they are a part of the panel, you would have to completely dismantal the panel to get to them. if you feel that the board is good the next step is the main board. the feed back to the main board is not being excepted the processor, replace the main board.

Feb 03, 2008 | Dell W1700 17 in. HD-Ready LCD Television

3 Answers

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www.lcdrepair.us will repair that invertr for $49 or the whole monitor for $59 and has a large selection of DELL parts

Oct 25, 2007 | Dell W1700 17 in. HD-Ready LCD Television

1 Answer

Dell 17" lcd tv monitor


Backlight Inverter for Dell W1700 LCD TV Item number: 160091846270 Ebay

Dec 22, 2006 | Dell W1700 17 in. HD-Ready LCD Television

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