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I have a digital lifestyle 42 inch lcd tv. Model # LT42322.. When I turn on the tv. I get no picture or sound. yet the light in front panel goes from red to green. Can you give me help.

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Any luck getting this fixed?Please let me know.Thank You very much!

Posted on Nov 30, 2010

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This is a common problem with the LT42322 model. This TV uses the TOM277CABB power supply board that used very poor quality capacitors for power filtering. When they fail the TV will not power up just like you are experiencing. Here is a link to a repair page that shows where the bad capacitors are located and how to replace them. The repair parts run less than $20.

I hope this helps, if so please rate my solution.


Posted on Mar 02, 2012

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The Digital Lifestyles LT42322 has several independant well known issues: inverters, power board and , least common, main board.

What you describe can unfortunately be caused by any of the three.

If you can turn off the TV after you turn it on (green LED going back off at your command) then I would rule out the main board as a suspect. It is the least likely anyway, but if it responds to turn off command then it is most likely OK.

That leaves you with power and inverters.

Power is somewhat easier to test if you have a minute and a multimeter.

Here's what you need to do it:

Inverters aren't that hard to test either...if you have a working power board.
Alas, no article on them just yet, but we'll post one soon, I promise.
It is worth saying that original inverters in the DL LT42322 are *definitely* going to fail over time - it is not a question of whether, but when.

Which is why they are the most common failure too.

Use the below link to find what kits, modules and repair services we have to offer for LT42322 or just contact us with particular query:

Posted on Feb 26, 2013

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Posted on Jan 02, 2017

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I have a Digital Lifestyles LT42322, the picture does not come on. Sound is o.k.

There aer two possibilities with this TV - the power board or the backlight inverters.

Both are known to fail over time and it's only a Fate's choice which one will go bad first.

Luckily neither failure is drastic or expensive to fix, at least as of the time of this posting.

The power board is already reviewed in another solution, so I'll only say that you should check visually for bulged caps and if you see some then you should replace them, but you should not automatically assume that this is what causes the problem; bulging caps are indicative, but not definitive for a problem.

Instead, what I wouuld recommend you do is measure the output 24V on the power board which goes to the inverters - be it the master or the slave inverter.

It's fairly easy if you go a voltmeter as several wires are ground and those are easy to tell as they are the same electrical potential as the metal chasis of the TV, i.e. the backlight panel and all the metal bolts that screw bolts to it.

Another few cables are the +24V.

if you have those when the TV is on as you have sound then it's most likely NOT the power board that's giving you troubles.

I can write a lot about the inverters, but instead I'll just point you to a fairly affordable and long-term solution to the problem:

For more details you may want to contact us directly or check our blog at .

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It can be the backlight inverter board is bad or the power supply is not supplying power to the inverter board.

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1. check power supply
2. fuses
3. inverter.

Make sure you have no bad capcitors a bad capcitor is a leaking one or bulging at the top or sides if that is the case please replace them.


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