I would have to check but that may and is likely the thermal fuse from the lamp to the power supply-----common issue and Sony was replacing them with a different one.
The simple test (for me) is with rear cover off look at the plastic housing for the lamp---the fuse is there but hard to see---two wires wind up and under that and enter the main wire harness going to the left (as seen from rear)--if can follow them about the middle of the set in back they connect to a 2 pin plug----with plug unsnapped read across the two wires going back to lamp housing---no reading across them and the fuse is gone.
The replacement is different looking.
What if I find this I have been known to do is jump the plug on the side going to the power supply(not the lamp side) just to see if set will now work-----not seen one where there was a short but just a poorly designed fuse.
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