Just changed one in a big screen tv not even 10 hours ago and it took a whole hour at the most. TV model number TP55G90 had a power problem that caused the power LED to to blink slowly with no picture. I purchased the part for $25.69 and with shipping, the total was $33.64 from Vance Baldwin Electronics. Very fast delivery, I will say. NOW, the kicker was that when I pulled the board (smaller power supply PCB on the left), I found that there was 2 identical parts on the board. 1 labeled Horizontal, and 1 labeled Vertical. 50/50 chance of replacing it in one shot.....:-) I replaced the H side (left side if the board is still in place and heatsink towards you) and works like a charm. The owner was very happy and in under an hour.
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