Got the TV used for a decent price and it's been a good TV over the last year or so. Lately, (on and off, but more on than off) there is a line going across the top of the screen about 3-4 inches thick and the entire length of the screen that distorts the picture.
It happened before when I first got the TV, went away - but now it's back. I plan on getting it fixed by a professional, but would like to know if the possible solution would be worth it or should I just buy another TV. A couple hundred bucks would be OK.
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No easy way short of monitoring with a scope and or voltmeter, based on age of set I would first "look" at all the filter caps in the main power supply--bad ones when they get hot can regain some function:
Recheck the tv projection lamp installation?Recheck the lamp door latch,see if it is proper closed and tightly closed of the lamp door?Hear any clicking noises,when the tv projection lamp tries to ignite up.If hearing constance clicking?Mean the tv board that call the Ballast board it is also dead,this Ballast board only job are to ignite the tv projection lamp only.Ballast board must have be replaced.If the tv have a colors wheel is it dead or damage and broken require changing,u will hear major humming,motor or grinding sound noises and alot of times the tv pictures flashes multiples colors on the tv screen or the tv pictures will have a black&white flashes of a background of white light within the tv pictures background.Selling defective tvs almost impossible to sell it for a decent or a good priced or it at all.If this tv u have less than 5 years old,tv it is still have alot of it life ahead of it,tv tube picture screen panel,will last u atleast another 10 years and have to be 8 hours tv whatching every day to dies this faster or could be last to 15 years,if tv less hours of watching every day.Should get priced quotes from many tvs repair shops and get it fixed max prices about $400-$500 dollars.New tv same model and sized or difference models too will cost u like $1,200-$1,500 dollars.
A new one runs around $225 - $250usd. A used one should be roughly half of that for this year,make and model of TV. $100 would be a real decent price for this TV used. This TV has a real good picture quality to it and are fairly easy to use. This TV is a really good TV for the quality vrs. price.
Your convergence board is in need of reworking on a component level or replacing the board! And you will most undoubtedly need to resolder the vertical IC and all ICs mounted on heatsinks on the power supply board. This TV is showing its age. You may choose to repair and that may last a year more or so! Good Luck and thank you for asking!
Very common in DLP tv u lucky is last it this long.Usally 2-3 years the Convergence ICS are dying will be dead and all it supporting resistors is dead .The convergence is dead,must know how to solders,repalaced Convergence ICs all it resistors.Tries Tv Repair World.com,Tvrepairkits.com for the convergence kit.The shop will cost u 300 for parts and labors.
The original white line problem was caused by improper adjustment of the vertical size for which there is an internal adjustment.
The current problem could come from two different sources, one an adjustment again, the other from a capacitor that is losing capacitance and gaining losses; = sick.
If you are fortunate enough to have a surviving TV repair in your area, none of these problems is expensive to find or correct.
Don't be surprised to find the only TV shop operating out of a messy garage since those of us doing this kind of service are dying off and the price one can charge for labor has shrunken to the point that a real business address is too expensive to have.
IF YOU HAVE DOUBLE IMAGES YOU CAN GO IN THE MENU AND TRY TO ADJUST THE CONVERGENCE, OR US THE AUTO JUST. ON SOME SETS IT IS ON THE FRONT. IF IT DOESN'T CORRECT THE PROBLEM THEN IT IS CONVERGENCE. I REPAIR 2-3 A WEEK. WE DO IT IN THE HOUSE, NO NEED TO TAKE THE SET OUT. MAKE SURE THEY REPLACE BOTH CHIP'S AND THAT THEY USE ORIGINAL PARTS, THE GENERICS DON'T HOLD UP. THEY USUALLY LAST 3-5 YEARS DEPENDING ON THE USAGE OF THE SET. DON..