Question about Samsung TX-R2678WH 26" TV
The TV had convergence problem and I have changed the 2 STK I,C,s and checked all fuses. All rails are good. Now no picture. Sound is OK. Please help.
There are only 2 moving parts on a dlp tv the color wheel and the fan. The color wheel needs to be replaced about every 4 to 5 years. Some start to make noise and others like mine blow up with a bang. Go to utube to get instructions on how to replace it only cost me for part $100 good luck
Posted on Apr 05, 2009
Look at the fan and verify its comming from the fan and not the power supply unit, you can clean the fan or replace it, but yes the fan would be likly the problem. Make sure you double check the power supply unit and clean if its needed,
Posted on Apr 29, 2009
There is a part inside the TV that needs to be replaced. If the TV is
under warranty, call the manufacturer and they will arrange to have
your set repaired at little, or no cost to you.
If the TV is out of warranty, and you have the experience and you know what you're doing, you can fix the unit yourself; first, you'll need to purchase the service manual from Samsung. Otherwise, if you've never done anything like this type of repair before and you don't know where to start, I suggest speaking with an experienced TV repair-person.
If you take the TV to a repair shop for out of warranty repair, the cost will likely be a minimum of $200 parts and labor. However, be warned that the cost could be considerably higher.
Since some brands will pay for your repair even if you're out of warranty, you should contact the manufacturer for your full range of options.
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Posted on Sep 06, 2009
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Please save your money and get this unit repaired, just because the set displays a "Convergence"SYMPTOM does NOT mean that changing that board will fix the unit, 9/10 it will NOT. I see this time and time again in the shop whereby people think they can fix their TV whatever, and mistake the SYMPTOM, for the cause and try to fix, usually unsuccessfully at that. The CAUSE must be repaired as well as the symptom, simply replacing a board will seldom "Repair" anything as the original fault that caused the symptom still has NOT been fixed. Please get a "Quote" they are free and at least then you will know what is the problem, even if you decide NOT to repair you have that information.Also one MUST have a Service Manual to be able to order the parts as without this number you simply cannot get parts.. it is that simple.
Posted on Mar 17, 2010
If you get a chance. Please post more details. Specially about the sound you hear in the back of tv is it like a humming or buzzing?
Posted on Mar 29, 2010
SOURCE: spotty tv
DLP/mirror chip is going bad. A common problem on Sammy TVs after 2-3 years. Chip is user replaceable (try samsungparts.com or ebay) for about $150-200. Sammy was (last year) repairing the DLP White Spot problem for free. You MUST talk to ECR (executive customer service) to even think about getting that consideration--forget the standard CS people. Don't know if they are still covering this out of warranty in 2010.
Posted on Aug 21, 2010
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