An expert who has achieved level 3 by getting 1000 points
An expert that got 20 achievements.
An expert that got 10 achievements.
An expert that got 5 achievements.
Re: TV wont turn on with remote or the power button
ONE: The protection circuit has taken over the power managment of the
set. When you unplug it for a couple of hours or so and plug it back
in it will start up because the circuits have all been reset
(unplugging the power cord is a reset operation.)
TWO: The protection circuit goes into action whenever it detects an
excessive amount of current being drawn from one of the 10 sections of
the tv circuitry.
THREE: When it won't turn on it is because the protection circuit has
captured the ON function and holds the power relay OFF until it is
FOUR: So, the problem area could be any one of the 10 or so sections
of the tv. The most common of which is the high voltage section
because it uses the greatest amount of power. If so, this could be
FIVE: On the other hand, it could be one of the other sections and a
small part such as a resistor or capacitor shorting down. In which
case the cost of repair may be only a few dollars.
SIX: However, you will need a tv tech to come to the home and diagnose
the set because we cannot tell where the failure is without a hands-on
diagnosis by one who knows how to test the circuit sections.
SEVEN: Usually a shop will send out a tech who will do a quick check
and tell you what is wrong with the set and how much the repair cost is
going to be. A house call such as this will cost from $40 to $80
depending on the distance and the price they set. I suggest you call a
few shops and get their best response before deciding which one to
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
Ur tv the LCD inverter board is dead.Replaced the LCD inverter board u will get ur picture back.Tries websites like Shopjimmy.com,Ebay.com to buy an refurbish LCD inverter board for the replacement.It a long board in shape.
I had the exact same problem with my set 6 months ago. Had the repairman look at it and it ended up being a faulty/weak power source. He told me that he could either work on the power source himself or just buy a new one. New ones are very expensive and hard to come by, but he was able to fix the existing one. Got the whole thing fixed for something around $350 to $400. Pretty steep and made me consider buying a new one, but I didn't. And now its on the blink again, so you might consider that.
The power supply board is dead.That the board where the power a/c cord go into it.Replaced the
power supply board ur tv will work again.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc. http://en.wikipedia.org/wiki/Capacitor_plague Please post back what you find. If the tech installed a used power supply, it may be bad also. 3 years are typical for capacitors to go bad.
replace the c21 and c22 capacitors on the power supply. they are both 1500uf, 16 v. When you pull the back of the set, youll notice that they will be slightly bulging. be sure to order quality ones (105 degree, and reputable brand). Radio shack won't have them, so you'll need to probably go online. The caps are around $1 each. order a couple extra just in case. Digikey.com sells them. I recommend you use a low watt soldering iron (15 watt), desoldering braid and take your time.
While this isnt an exact fix at work, you will at least be able to view your tv. We have one at work that would do nothing when you hit the power on button, just the usual geen led flashing. We pulled the cover off and found the bulging caps, more than likely from brown outs. But we also found that none were holding a charge. So we held the power button on for at least five min, after the led would stay on for about 30 sec and then turn off. We kept hitting the power button and the screen would try to come on. It finally did. After it did come one we can power on and power off aslong as we dont turn it off for more than 10 min. After 10 min of it being off we have hold down power button again and start the whole process again. So the main problem i believe is the caps arent holding a charge, to be able to kick the high voltage circuit on. We did not replace any caps but if we do end up changing parts will post what was changed and cost. Hope this helps