I have a four-year-old, 36-inch Sony XBR set (KV-36XBR400) that
recently quit powering up. A Sony service tech troubleshot the problem
as the one widely reported around this forum and elsewhe a defective
D-board.

This set, which cost us a salty $2,500, has a stunning picture (when it
works!) and has had no previous problems, but we're concerned that
dropping the $500 for a rebuilt D-board (the only ones available) might
somehow be dollar-wise and pound-foolish, especially if the set is
prone to the problem.

Can you offer an opinion about the "permanency" of such a D-board
repair? Given your knowledge and expertise about Sony, this set and
such high-end sets in general, is it "worth fixing" from a cost-benefit
ratio, as they say.

Thanks, BILL L