Chosen Solution
I bought this TV Samsung LCD TV LN46A500T1F in late 2009 so it has certainly seen its share of use at this point but I’m hoping that someone might be able to shed some idea on whether this is something worth fixing or replacing. A couple weeks ago 1 of my 2 total hdmi ports starting displaying intense white hues as more purple and sometimes teal (not too dissimilar to a negative picture) which would fade out to the more natural and accurate colors. A good example would be the white netflix logo on the PS3, it has a large ring of purple with white corners and the red lettering remains unaffected. I had troubleshooted this to being the HDMI port through testing multiple sources (PS4, cable box and PS3) and 3 different cables all displaying the same effect but working fine on the second HDMI port. Now it seems as though my second port is starting to show the effect and getting worse. Given the age of the TV and the economics can anyone shed some light on the potential of repairing this TV? Couple other details… I hadn’t touched my screen settings at all before the first one showed up, all though I have since played with it to no avail. Also it seems to display quite a few whites just fine but the effect is noticeable in the “source not connected” box that floats around although very slight.
Here are the pics of the Inside
Tv Overview
Board 2 right
Board 1 left
Board 3 Top
jgreen06, if the TV’s MENU on the TV also shows the discoloration, then you either have a T-Con or a Power Supply problem. The first thing I’d do is to check the caps on the power board for any swelling, bulging or leaking fluid. You could measure the output of the power supply to see if they are all within norm. For that we would need the right chassis number. If the voltages all check out, it is most likely your T-Con board. This is not to sday that the panel is not at fault. Samsung uses a medium-low quality AIO panels which could be an issue as well. Start with the least expensive way and see what you get. Hope this helps, good luck.
