On Thu, 17 Jun 2010 13:18:12 -0700 (PDT), k put
finger to keyboard and composed:

TV is about 6 or 7 years old and had been taking a while to come on
for several days. I'd turn it on, the red led indicator would blink a
few times, then it would take a few minutes for the picture to come
on, sometimes accompanied by a loud noise.

Google searches suggest that your TV has a BA-5D chassis.

If so, then see page 7 of the following service manual for LED blink
codes.

SERVICE MANUAL, Sony BA-5D CHASSIS:
http://www.go-gddq.com/upload/2010-0...2616048696.pdf

Other manuals:
http://www.google.com/search?q=sony+...truct ions%22

- Franc Zabkar
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