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I have a westinghouse lcd tv sk-32h57od the power board has burned converter transformer would this cause tv to cut off after a few seconds

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  • 183 Answers

Yes

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

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SOURCE: Westinghouse SK-32H540S LCD TV Turns Itself On - Appears Random

turn the timer off.

Posted on Jan 27, 2009

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SOURCE: can't progam my direct tv remote to operate my westinghouse 32''tv

I don't have DTV anymore, so I don't remember the exact code I used for my SK-32H240S, However, I do remember that I found one that worked at this site. Scroll down to locate your remote series # - it most likely will be printed on the upper left corner of the front of the remote - as an example, mine says RC64. Click on the corresponding listing, then follow the directions on the site. I tried only a few codes before finding one that worked correctly. Good luck.

Posted on May 08, 2009

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SOURCE: Westinghouse SK32H240S 32'' LCDHDTV Picture appears and Disappears

This problem is caused from a problem with the main board. The main board will need to be replaced. It runs from $100.00 to $150.00.

Posted on Jun 10, 2009

  • 29 Answers

SOURCE: Westinghouse Digital Electronics LCD TV Model w32701

I had the same problem..."No video but the Sound/audio was working fine." This is my solution.

Dissamble Procedures:
1. There are 4 different types of screws used. So, you can copy my technique. I used masking tape. Everytime I took out screw I taped it beside the hole.
2. You can pull the Video/Audio RCA box by plier, it is detachable.
3. You can pull also the antenna input box by plier.
4. When taking out the Inverter board, you have to flip the lcd upside-down. There are 4 screws at the four corners.

Soldering Solutions.
I soldered all 7 transformer's legs. 8 legs each transformer. I soldered also the 8 capacitors. Checked the 4 fuses.

Main Part of Solutions.
The problem was coming from the 2 surfaced mount inductors. That's why there was no supplied power (voltages) going to the inverter.

These 2 tiny inductors are labeled as L21 and L168 connecting the 12v supply and transfering the power to the inverter. IMAGINE THESE 2 TINY PIECES CAN DISABLE YOU VIDEO? That's why even if you are going to buy a new Inverter board it will not solve the problem. Because the 2 inductors are not connected fully (cold solder) although by naked eye they seems fine. Solution resolder them both.

I used 30w Radioshack soldering Iron. Don't use the 40w because the tip is thick and can damage the neighboring electronic parts. Use a tooth-pick for pressing the inductor while resoldering both ends. I used an over-head magnifying glass while soldering these 2 inductors because the size is HALF GRAIN OF RICE, I am talking a very very tiny piece.

Warning: Over heating can damage these inductors. Just in case you damage one of them. You can find a replacemen on a Dell desktop P4 motherboard. Can be found near the 4 pins cpu power (2 black and 2 yellow) for 12v.

It's been almost 3 days now my Westinghouse LCD TV still working fine.

Roan
Triangle Tech Whiz

Posted on Jul 07, 2009

SOURCE: I have a westinghouse tv model number SK-32H240S no picture

It seems that your unit has some sort of Video side, PSU fault, or a problem to the Video section that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur.
You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done.

Posted on Jan 21, 2010

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When I turn it on, the westinghouse logo appears, then the signal appear for one or two seconds and the screen goes black. I openned it and i do no see anything wrong (visual examination) with the...


Ur tv still have audio sound after the tv LCD screen panel gose blank?Yes,than the tv long LCD inverter board it is shorted and dead,must be replaced,mean not thing visually examination is good or no burn mark on the board,because this it not a power supply board sections dosen't draw much heat to causes any visual damages.

Aug 11, 2011 | Westinghouse SK-32H540S 32 in. LCD TV

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My Westinghouse SK-32H540S pictures shuts off after 10 seconds. the sound stays on but no picture. is it the troubleshoot? i tried unpluging everything and repluging it and still the same thing happens...


This problems are the tv 1 or 2 long LCD inverter boards are dead.These 1 or 2 long LCD inverter boards provide the tv LCD screen pannel a backlight to produce a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those refurbishes 1 or 2 long LCD inverter boards for the replacement.

Mar 24, 2011 | Westinghouse SK-32H540S 32 in. LCD TV

1 Answer

My tv smelled like plastic was burning and then the screen all of a sudden went black but i could still hear the audio.


Your backlight inverter board has failed. This may be due to a bad capacitor which is easy to repair, or the inverter transformer may have burned out, in which case it may be replaceable or the complete inverter board will need to be replaced.

Feb 14, 2011 | Westinghouse SK-32H540S 32 in. LCD TV

1 Answer

Westinghouse LCD TV SK-32H540S, 1 year old. When I turn it on, the screen works for about 5 seconds, then goes dark; power is on - sound still works but no picture


1 swollen Capacitors / Replace
2 blown Diodes on inverter board / on some # 508 or 908
3 bad transistors in inverter bad will appear overheated powdery coat
4 replace inverter if you cannot locate problem on it
there is a safety built into the high power back light supply and that is if too much current is drawn or light is shorted it will not burn up
or hazard high volt shock to user.
capacitors and diodes driven with power transistors
look for darkened spots on the board to identify hot transistors
puffy tops and leaky bottoms of capacitors

when you turn it on does the bottom or top of the screen show image a Milli second before the other it should be evenly the lag
is the one requiring more amperage




Aug 07, 2010 | Westinghouse SK-32H540S 32 in. LCD TV

2 Answers

Westinghouse SK 32H540S when i Turn on TV, get Westinghouse logo, picuture turn on for 2 sec then black screen.


The problem is cause by the transformer on LIPS inverter (Power supply + Inverter board). You could see an obvious burn on the 1 of these transformers ( There are total 3 black transformer on this board). The part number is 4302H. It is available online at http://www.lcdparts.net/TransformerDetail3D.aspx?ProductID=2775

May 27, 2010 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

1 Answer

Picture comes on for 15 seconds then turns off, sound still works


One of the transformers on the inverter section of the power supply board has failed. Part can be found on line ($29.99). Also check for faulty and poor solder connections.

Jan 24, 2010 | Westinghouse SK-32H540S 32 in. LCD TV

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Hello, there can be a few things wrong, it sounds like you might have a defective set as the inverter that powers up the backlight on this unit is on the same board as the power board, this normally will cause symptoms of powering up but not displaying a picture. If you are looking for parts you can find them at parts@wde.com but it sounds like you just purchased the unit so I would call their customer service line at 1800-701-0680.

Dec 25, 2009 | Westinghouse Electric SK-32H570D 32 in....

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SK-32H240S Gets past the "W" then goes black, with sound.


one of your transformers probably blew. had same problem with mine so took it apart and saw the problem. did some research. Darfon makes the power board and you have to buy the whole board not just the transformer. could cost you around 200 dollars. best bet is to call a local tv repair company and see if the have spare transformers for that lcd.

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