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Westinghouse ld-5580z: the TV screen has started going black, with no sound, but the LED light stays blue, indicating the TV is still on...I have read numerous reviews this is a known issue with this

5580z

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Posted on Jan 02, 2017

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SOURCE: TRUTECH PLV16190 wont stay on keeps turning off.

Open the back of the TV,and look at the can shaped items called capacitors on the circuit boards.If any of them have the tops,or bottoms bulged out,they need to be replaced.This should get it working again.I hope this helps.If you have any questions,please let me know.Thank You very much!
Tyler

Posted on Jun 28, 2009

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SOURCE: I have a Westinghouse TV , when turned on the

I just fixed the same model and with your symptom. What it appears to be is the main module is locking up just after the Logo goes away. All you can do is unplug and try again and all you will get is the logo for 5 seconds and then black screen, no sound and led stays lit. Cannot turn off or on. The power supply is actually working fine, it's the main module that has died. This module is no longer available, the part number was W470PROLX68. What i did to restore operation on this unit was to insert 3 volts into the plug going to the master inverter board and then plugged the tv AC cord in. The set showed the logo and then it started working. I removed the 3 volts and it has worked every time since then.
Here is what you should try to do: First take two AA batteries and solder them in series and attach two short wires so you can use it as a power source. Now you have a 3 volts power supply. Next Remove the stand first before removing the back cover. Looking at the back of the unit you will see the power supply and the main circuit boards in the middle (under metal shields) and two boards on each side. These are partially covered with a metal shield, the one on the left side is the master inverter, the one on the right is the slave inv. They both have a plug and wires going to them from the power supply, but the one to the master will have two extra wires. I believe the colors are purple and blue, and they are separated with an empty hole (unused part of the plug). The wire on the end is where you will hook up the positive lead of your battery pack. The negative lead simply goes to the metal shield. With these hooked up plug the tv into the ac and give it a couple seconds and hopfully you will see the tv come on. If it does then disconnect the battery pack and try it without it. good luck.

Posted on Nov 17, 2009

  • 8457 Answers

SOURCE: Westinghouse 32 lcd tv - no picture no sound - set

Reset the tv and the cable or satalite boxes,replug it back an hour later let the tv reset it self back to factory setting and the boxes upgrade it software.The tv should work now.Not,than yes.It the Tuner main board.

Posted on Sep 17, 2010

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My Westinghouse LD 4055 tv screen go black. The sound is good but no PICTURE. If I turn it off for 2 min it starts working again. This goes on 4 or 5 times then it stays on.


back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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    Amazon.com: Westinghouse 22" LED 1080p 60Hz HDTV ' LD2240: Electronics. ...When I set it up I was disappointed with the sound but not surprised, it is a cheap TV... Apparently this is not an unusual problem for Westinghouse. ... Oh well, I tried. ...VideoSecu Articulating Arm TV LCD Monitor Wall Mount, Full Motion Tilt ...

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The steady blue LED merely indicates that power is getting to your TV. The internal power supply may have failed

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1 Answer

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