jaxspencer
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Apr 30, 2016, 5:58 AM
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Samsung DLP HLS-6188WX/XAA Problems
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Anyone know what causes my near 10 year old TV to shut down initially after about 20-25 minutes of use accompanied by 3 blinking LED lights (constant). If I hit the power button shortly after the 3 lights start blinking they turn off, and after about 10-30 seconds the set turns on again, but will only remain on for less than a minute or two before turning off again with the 3 blinking lights that follow. I have had a few instances where I have hit the power button either too soon after shutdown, or in a different timing than usual that it makes a buzzing/high pitched squealing sound attempting to come on (color wheel or Fan?)but instead powering off and re-powering on in a sort of loop without successfully coming on, only to unplug the set to stop the loop.
I have pulled off the back panel twice and vacuumed out any visible dust (1st time) and used compressed air to blow it out (second time). Still same result. I pulled out the lamp and the ballast (I think it was the ballast) to gain access to the cooling fan for cleaning and inspected it for problems, but it seems to be working fine(spinning freely), yet the problem still exists.
I have yet to see any forum conversations regarding this exact problem as it seems to me to be a thermal problem because initially it will stay on for longer, but as it is used the duration between shutdowns gets shorter as residual heat remains in the set. Again, if I turn it back off after a restart and let it sit until I hear the cooling fan turn off, I can turn it back on and get another 10-20 minutes out of it before it turns off again accompanied by the same 3 blinking lights, which again suggests thermal issues. However, there is no odor of any overheating, only a slight sweet smell when blowing dust out of it(not sure what does that). Any help is appreciated.
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