Question about LG 32LG30 32 in. LCD HDTV

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Need a new power supply. Where?

I have a 32" lcd tv. For the second time my power supply has gone out and I have lost picture. I dont think the place i had fix it the first time put a new power supply in the tv. Where can I get a new power supply with part #lg pcb 68709d0006b?

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Try E-bay

Posted on Jun 06, 2010

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The pcb number is not the part number you are looking for your power supply p/n should look simular to this EAX55357701

Posted on Jun 10, 2010

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I have sound but no picture what you think is the problem please


Hi,

LCD TV Repair No Power Power Supply Common Symptoms Solutions How to...


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
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- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
https://www.youtube.com/watch?v=TR2iWN6b-LY

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Sounds like the power supply board has gone out. It can probably be replaced, but only by someone qualified to do so.

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1 Answer

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The 24vdc power supply section may have gone out or the back light inverter board has gone out.
If you are going to DIY and have proper tools 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

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1 Answer

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The back light inverter board may have gone out, or ir is not getting 24vdc from the power supply module, check those two places.
Parts: http://www.shopjimmy.com/catalogsearch/result/?q=Westinghouse+LTV-32w1+

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The backlight inverter board may have gone out, or it is not getting the power from the main power supply section that supplys the power to the inverter board. Those are the two places to check.

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Does it have a lot of bad capacitors (bulging top)? Do you have the picture of the power supply? Two most common parts that go bad in the LCD TV are the power supply and the Backlight Inverter board.

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