The blinking light is typical of a failed lamp and they last commonly between 2-5 years tops in these sets. You should replace the lamp. The link below is to the lamp for your set.
Replacement Lamp: Sony KDF E50A10 KDFE50A10 Lamp with Housing XL2400
If you need further help, I’m available over the phone at https://www.6ya.com/expert/jason_70466cb634a57543
Sony KDF E50A10 KDFE50A10 Lamp with Housing XL2400
Amazon com Sony KDF E50A10 KDFE50A10...
SOURCE: Sony KDF-E50A10 No Picture
4 times blink error shows that any FAN is not running in TV as there are 4 fans in this TV.
Please check fan connectors and make sure all are plugged securely.
SOURCE: Sony KDF-E50A10 stays on for 15-20 minutes then
The reason this happens the most is because of the lamp being weak. I have not seen anything else cause this problem. You can varify this by turning the set off and wait until it shuts down totally.
with the Sony remote, press the display button, the #5 button,
volume down button, then power button. This puts you into the the factory error code mode. If you see the lamp code with multiple errors and no other errors shown, the lamp is the problem.
Most of Sonys lamps have a aprox life of 3000 hrs. Some last longer and some shorter.
I hope this helps,
Skyassoc
SOURCE: Sony KDF E50A10 tv starts up but then shuts down
most likely power supply fault buddy/get part no search google
SOURCE: sony 3 lcd rear projection tv hd w/ wega gate.
Hi, The
Standby/Power light of the TV blinks when there is any internal malfunction in
the TV. The self-diagnostic function of the TV will cause the STANDBY light to
blink or flash when the television detects an issue. The number of times the
STANDBY light flashes corresponds to a specific issue. Few
examples are given below; some of the issues may be resolved without the need
for service. If
the television is plugged into a power strip or surge protector, remove it from
the power strip or surge protector and plug it directly into the wall outlet.
If the issue is resolved, the problem is with the power strip or surge
protector and not the television. If
the issue continues to occur, service may be required. Thanks
for using Fixya.
1 blink / 2 blinks / 5 blinks: - This indicates that there may be a
power-related problem with your set.
3 blinks: - This indicates that there may be a power-related problem with your
set. The set will need to be serviced to allow a technician to determine the
specific issue that needs to be repaired. If the power light flashes three
times in sequence in a Lamp TV, the lamp cover is not securely attached.
Reattach the lamp cover to resolve this issue.
4 blinks: - This indicates that there may be a back light or lamp power
problem.
6 blinks: - This indicates that there is some kind of audio problem with your
set.
7 blinks: - This indicates that there is a temperature problem with your set.
Please check to make sure that the air vents on the sides and back of the set
are not blocked or clogged and there is adequate ventilation around the
television. We recommend that you check and clean the vents periodically to
make sure the set receives adequate air flow. If the problem continues, the set
will need to be serviced.
8 blinks: - This indicates that there may be a video-related problem with your
set. If the flash sequence is not listed above or the light continues to flash,
follow the steps below to perform a power reset:
Try the following steps to check if the issue can be resolved.
Turn off the television.
Unplug the television power cord from the electrical outlet.
Let the television remain without power for 60 seconds.
Plug the power cord back into the electrical outlet.
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