Question about Televison & Video
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Posted on Jan 02, 2017
You most likely shorted one if not both new IC's and that will cause the set not to start. I would say that replacing the board is probably the best bet but, be careful of plug placement.
Posted on Dec 01, 2007
good this tells you that the convergence IC's need to be replaced
if the IC's wer good it would tryto come on this is a youke isolation test.
also check r417 if bad replace.
replace 2 ea sth 392 110
Posted on Jan 13, 2009
you didn't mention what software version your ps3 is. in this digital age it's important to keep software levels up to date, with some exceptions. i'm including the web address for sony so you can update the ps3, but i don't think it's the problem. once you're are on their site you click on the ps3 picture & that link will take you to the software update pg. there you can review previous software updates. i quickly reviewed 1 of those & didn't see anything that addresses your problem.
have you verified that the HDMI inputs are are enabled correctly? thereare 4 inputs. refer to pgs 25 & 26 of the owner's manual.
I would put the heat on your LG retailer. clearly the new main board is suspect. you had the functions prior to the swap. the board is probably defective, but with a different problem than what you had previously. i visited LG's site. they currently have nothing in their knowledge base that mentions the your problem, nor is there a software update.
if you need additional help. write back. good luck.
Posted on Feb 11, 2009
not sure what you're referring to as a "main board", but heres the LCD Control Board for the TV
Posted on Mar 13, 2009
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