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Re: protron 42" tv
I would suggest to search for customers reviews of this product if you can google it. Personally I have not own one of this TV, I only service them.
I think LCD's and Plasmas are newer technology and the designers and manufacturers still trying to make them better. If you buy one of this TV, try buying the extended warranty if possible.
In regards to the power supply repairs, It could go from about $85.00 to $125.00 or it could be more expensive if you're buying a new board.
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No repair can be done for a broken screen. Replacement only can be done. But it will cost 2/3rd of the total cost of the TV. If you think it is OK, replace it. Otherwise buy a new TV. It will be the best.
Are all of the functions still working on the TV? If so, then the good
news is that it's simply a bad screen, but the bad news is that
replacement screens are impossible to come by unless you are an
Authorized repair center for Proton. The only option you have is to
replace the TV, or contact a shop.
From what I've found out, Protron and Spectroniq are the same company. I
just visited the Protron web site and it has not been updated since
2007. I believe the company is no longer in business and will doubt if
you will find a Protron Service Center. You are very lucky to find a
repair shop that will attempt to work on the TV, most will not. The
internet is plagued with issues with this TV. Even the cost of the screen would not be worth repair.
The control chip is dead. Since the chip is on the mainboard it also must be completely replaced.
The problem is not in the price - the board and the replacement labor by a repairman will cost you less than $300 - it will be in finding the board in the first place: Protron is a no-name manufacturer that makes its tv's from separate parts that it buys from other manufacturers at the cheapest price possible, they only assemble them also the cheapest way possible; as such you can't get parts from them , they don't have any - especially if the tv is out of production for more than a year(all the warranties have expired and they no longer have to fix them). Because of that all you can do is to try to find a second hand board online or at a repair shop. Before calling a repairman make sure it can get the board at a reasonable price.
Hello, Open the back cover of the television to check for dry soldering , if found resolder and power it on , if otherwise, Your power supply board is not yet dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. The most common problem are the power supply for the screen itself. Most manufactures call it a Blacklight Inverter Board.But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptom. You have a few choices: 1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself. 2. If by chance the TV is still under warranty, go that route. 3. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15. 4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV. I hope I shed some light on the subject for you.
Unfortunately, Protron LCD's are very low quality, mine went out in 15months. Your problem may be similar to one I had & I fixed it by cycling the on/off switch next to where the power cord goes in the back of the TV. Also make sure the power cord is inserted right since the "yellow" light indicate powering up but not full power. Hope this fixes it since I couldn't find ANYONE that services/repairs PROTRON brand.