Sony KDL52S4100 Support Question
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Question posted by cdow on May 25th, 2011
Black Screen
Current Answers
Answer #1: Posted by divesrq on June 3rd, 2011 8:19 AM
If there is no picture it may be due to a problem with
either the A-Board, G-Board, or LCD Panel Assembly. It is highly unlikely that both boards will need to be replaced to solve the issue.
Replace 1 board at a time to verify which board needs to be replaced.
1. Replace the original A-Board with the new replacement A-Board.
2. Turn on the TV to determine if the issue is resolved.
3. If not, reinstall original A-Board back into the TV.
4. Replace the original G-Board with the new replacement G-Board.
5. Turn on the TV to determine if the issue is resolved.
6. If not, reinstall original G-Board back into TV.
7. If neither the A-Board or the G-Board resolve the problem the complete LCD Panel Assembly must be replaced
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