Power turns off and color is off when first powered up
I have tried to call a repair person for this fix, but have been told that it was a $99 fee just to diagnose and could be as much as $1000 or more to fix. This tv is not worth that much. I like this tv, but refuse to waste $1000 or more if they try to tell me it was some expensive fix when it really was just a loose connection. It sounds as if the problem i am having is fairly simple to fix. Would you have any suggestions on what I should do? Fix myself, or replace?
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Re: power turns off and color is off when first powered...
If you know how to use a soldering iron or gun, yes you can do it. First thing to do with this set is to do a self test to find out what error code the set is giving off, if it has one. You do this by pressing the menu button with the device/input button on front of set, hold for 5 sec and then you should see the LED blinking a 2 digit sequence. Count the blinks, followed by a short pause then more blinks. this give the error code and you can go directly to that area to work on.
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Rulds2008 is probably right. I had the same problem, but have no TV repair shop near me. So since I have experience fixing computers, I decided to repair the TV myself. I initially repaired the Lamp, but the TV still flashed all three lights. Called Samsung and they told me that I might need to replace the ballast, but it would be best to bring it to a repair shop. The repair shop offered to come out and look at it for $150 or bring it in for $120, even though they were about 30 mins away. Ordered both parts on www.Samsungparts.com and got them in three days. Still had the three flashing lights. Took apart the entire TV (googled it on youtube) and vacuumed and dusted the TV and took apart the color wheel (about 20-30 mins). It was completed busted. Found out that if the color wheel is broken, it will not send a signal to the ballast to tell it to start up and power the lamp. So if you have replaced the lamp and/ or the ballast and it does not light up, it is more than likely that it is your color wheel (buy it on ebay or amazon, got it in three days versus a 3-4 week back order on company sites). Also, make sure the power switch on back is being pushed upwards and not downwards or the TV also will not start. Total parts cost me ($400) versus having someone else fix it and charge me double with labor and parts. TV is better than ever. Hope this helps.
The problem is the Convergence circuit and the reason it does not power up is that one or two of the 5a pico fuses have opened when the Convergence IC failed. It is either going to be a pair of STK392-570's or a single IC STK393-110. That is as long as this set is a Mitsubishi made in the last 7 to 9 years.
I would estimate the cost to repair 280.00 plus service call fee if any, plus tax on parts.
Let the Tech check it out. If if it cost less than 400.00 to repair, it may well be worth taking the chance.
Even if you buy the parts you may get sticker shock!!! Why did it need a power supply and another board. Will your set come on? I may be able to give you part numbers but you need to be specific about which other board you think you need such as X Y signal board or power supply Some single circuit boards for some sets are as high as 600 bucks hope not for you
your tv's hardware might got the problem. this should fix with an expert technician that they have a tools for fixing this problem. if repairing will cost you alot then i suggest that you have to buy a new tv insted of repairing your old tv. hope that helps!
We are having the same problem of the Pioneer Elite Pro-99 turning itself off all of a sudden. The red 'non' power button comes on as if we had turned it off remotely. We would love to resolve this. If you can help let us know.
If the convergence is missing in the menu in screens,you have a bad reg ic on the convergence power supply the part number is 215530,the power supply is located on the black plastic above the right module with all the heat sinks
Your going to need a schematic diagram and some troubleshooting skills here or a quilifyed repair person. This set has several power supply problems as well as sweep dirived power problems. The biggest problem is the STR (I dont remember the other #'s)(ie- STR#####) regulator IC It is alway the first thing that goes bad in these chassis. Now do not get a general replacement as it will blow out as soon as you turn on the set. I've been through this and a half a dozen regulators till I relized that the replacement ics do not have one last digit on the ic that the original did have!! and that one last digit made the ic completely differant. Another common problem here would be The Two filter capacitors off the sweep derived 15 or 18 volt lines Good luck to ya.