Lost sound after electrical storm still has good picture
Check audio output section, It sounds that the audio output IC has damaged.
SOURCE: Sony KDF-E55A20 55 in. LCD... Problem red light flashes 5 times
A 5 blink error indicates a bad lamp driver. However a lamp may possibly cause this too. I suggest putting a new lamp in if you have one just to verify the lamp is not the problem. If it still fails with a new lamp then the lamp driver is the problem. This part should be replaced by a Sony authorized servicer. The lamp can be replaced easily by you. The lamp replacement instructions are in the TV's owners manual. Good Luck
SOURCE: Sony KDF-E55A20 55 in. LCD
I had the same problem with mine. I took the lamp out, comes out from the front, and cleaned the screens on the top and bottom of the lamp. If these are dirty, mine were, they are preventing the bulb from dissipating heat. This causes the tv to shut off the lamp to cool it down. Mine works like a champ now.
SOURCE: sony kdf e55a20 picture goes black sound stays on
Thanks for updates.
Its time to replace Lamp. Please buy original Sony Lamp for Sony TV and avoid aftermarket or compatible parts for good performance of TV.
You can purchase original Lamp form Sony Accessories Store. Just type TV model in search box and see details by click search.
Good Luck
SOURCE: Need to reset lamp hours for KDF-E55A20
This model does not require lamp timer reset, put new lamp securely and power up TV for picture.
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