Question about Dell W3707C 37 in. LCD Television

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My Dell W3707C LCD TV won't quit flipping. The only button that works is the power button. I can hold the channel button down and flipping stops for about 2 minutes and then it starts flipping a

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  • Lizzy70068 Nov 02, 2012

    Brought this TV in and found out it was the key control board that was out. Part 454aci31L01 and have not yet to find one. It is listed at several sites as available, but they say they can't get it. If anybody has one let me know. Thanks

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  • Dell Master
  • 14,553 Answers

One of two basic things here, unplug set to see if after a while it helps, and if channel scanning up or down on its own suspect the button associated with the direction it changes is a bad one.

Posted on Oct 30, 2012

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Posted on Jan 02, 2017

SOURCE: lcd power off issue

ummm there isnt a fan in these units.....

Posted on Dec 12, 2007

headstrong
  • 233 Answers

SOURCE: 23 inch lcd tv by dell wont turn on as if no power

if this is a DELL W3201C read this.

Have the same model and same problem
probably It is a bad inverter board, in my case one of the 16 transformers is burnt out on the inverter board. still trying to find a replacement component. if not replacing the board is the only option or getting the inverter board repaired.

by the way, this TV has a Samsung panel: model LTA320W2-L03. so it needs parts for a Samsong not a DELL.
DELL does not manufacture or fix them becuase they don't make them

Posted on Dec 28, 2007

  • 90 Answers

SOURCE: DELL LCD TV locked up w/screen message "main menu locked"

without a remote and disabled keypad keys, the only other option, is to open the unit up a physically RESET the TV. remove the cables from the power board. i believe it has a phillips head screw. careful when you separate the rear cover from the front cover. there is a board screwed in the lower right corner, there is a connecter and a ground cable screwed to the rear cover. take your time prying on the rear cover. once you separated the two pieces, look for the light yellow board with your AC power source. Unplug it for 30 minutes and repeat the process. while your at it, also look down to the lower left side of the monitor. u should be able to see the keypad. press each button, while pressing, look to see if the button is pressing against the circuit board. it may be loose, try this test, u just may be able to fix your keyboard as well. hope this works out.

Posted on Jan 30, 2009

  • 2 Answers

SOURCE: Dell w2600 wont turn

Same problem, this is my solution. The system will start everytime if starting from power off one starts from sleep. Thus the trick is to use sleep mode to shut it down. I do not use the sleep function on the remote (it would be worth a try, let me know if you do that), but rather I have chose VGA as the entry signal ad have hooked the TV to my PC, and then I put the PC in sleep mode. The TV will do the same. When it is in sleep mode through the PC, the system cvomes back to life if the remote from the cable is used to change channels.

Posted on Mar 22, 2009

budmrtn
  • 11361 Answers

SOURCE: i have a dell lcd tv/monitor that just stopped

Power supply module will be the first place to look at, from what you describe, at least the 5v standby power supply is still working, It can be the power supply module is bad or it is not getting the control signal from the main board to turn on the main power supply on.

Posted on Oct 31, 2009

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This sounds like a common problem on these TVs. Try a factory reset:

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Where is the t-con board on the w3707c from dell


Boards: http://www.shopjimmy.com/catalogsearch/result/?q=Dell+W3707C

It can be on the center top of the LCD panel or center bottom depends on the version you have.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: www.interliquidparts.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

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My dell vostro 2510 won't power on, when i press power button to turn on the pc , the power light turn on for about 5 sec then it turn off itself,


Try this to see if can give us some codes with it's on board diagnostics. Hold down the function button of your laptop and then the power button while still holding down the Fn/Function button on the left side of the keyboard. See if this gives you either an error message on your screen or, flashing lights above your keyboard. Pay attention, write down what lights where lit up what ones flashed, etc. This is to diagnose if the LCD isn't working. Comment back if you get either the light code or the error code on the screen. IF nothing happens try holding the Fn/Function button on the left side of keyboard and holding the F4 button, see if that makes any lights flash above your keyboard.

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My Dish 5.0 IR remote won't program to my new TV, it's an Emerson, the model number on the back is- LC320EMXF. I've tried holding the TV button until all the top lights flashed and then...


lrsnihe

You were attempting to perform a power scan initially. The second procedure is manually attempting to address the remote to your TV. I will give you the procedures again so you can try one more time. Emerson TV is one brand we have a low percentage of success getting our remotes to work. If it still doesn't work, we could try replacing the remote.

TV code: 623, 667, 666, 233, 516, 537, 544, 642, 655, 699, 000, 999, 888, and 720.

Remotes: Basic (Television Only)
  1. Turn the Television On.
  2. Press and hold the clear TV button for six seconds until the LED flashes.
  3. Enter the three-digit code using the buttons on the number pad.
  4. Press #. Note: The LED will flash three times.
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Remote Power Scan: Basic Remote (Television Only)
  1. Turn the Television On.
  2. Press and hold the clear TV button for six seconds until the LED flashes.
  3. Press and release the red TV Power button.
  4. Press and release the Up or Down Arrow on the remote until the television turns off once every second.
  5. After the television turns off, press and release the # button.
  6. Test functionality with the TV.
  7. Return to Step 2 if the remote is not able to turn the TV On/Off, change the volume and mute the television.

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Had electrical storm last night. Tv shows the Westinghouse symbol, nothing else. This is when it is turned off. When you turn it on (from the tv, remote won't work at all), symbol disappears for 30...


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Plug it back in, and see what happens. Try changing the inputs/channels/etc to see what happens. If you're still having this issue, Take your TV in for repair.

- Sidenote, a $25 power bar with built in protection curcuits are the easiest way to protect your equipment from this kind of thing, and quite a bit cheaper than forking over $300 for a new TV everytime there's thinder and lighting.

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My tv cannot turn on. Even with the remote controller. What could be the problem?


Just make sure that the wall outlet you are using is actually live. Try plugging in a reading lamp to that socket to make sure it has power.

If power is good, then check where the power cord enters the back of the tv for a fuse holder.

If there is one there, then unplug the tv and replace the fuse with a new one.

Otherwise you might be looking at getting out your screwdriver and disassembling the tv to have a look at the main power supply circuit board.

I looked at the owner's manual located at the following link but they did not mention if the set had an easily accessible fuse there or not.

http://support.dell.com/support/edocs/systems/W3707C/en/index.htm

Good luck and keep us posted on how you are making out.

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