Question about Sony KDF-50E3000 Television

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Lowb error 3 red blinks, lowb error. What part do I need to fix it?

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3 blink is a open door for the lamp , also is for bad s/w one is for the door lamp and the other one is for the lamp it selt , you going to have to take the cover off and look for these little s/w and jump the wire , these should fix you problem

Posted on Feb 12, 2012

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Posted on Jan 02, 2017

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How do I fix my Sony TV?


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A 3 blink error on this model is saying that your lamp cover is not on properly. Check your lamp cover and door. Make sure they are seated sucurly. If this doesn't fix your problem. Then the switch or little board buy the lamp cover is bad and needs replaced. This is called the T board.

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Hi Keith,

6 flashes of the led light is an error code and the unit will not fire-up unless isolated the faulty parts.
To confirm if it is the real fault, unplug the unit from the outlet for 15 minutes and then plug it back in and check if the symptoms still persist.
Your unit has a self diagnostic screen that can be access by pressing in rapid sequence "Display", "Channel 5", "Volume (-)", "Power" on the remote control while the unit is in standby mode or the led light stops from blinking.

Self diagnostic screen will be display. Error code will be display together with numerical "0" means no fault detected and "1" means fault detected.
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After you've confirmed that the the error code is "6 blinks/ LOWB error code", then the G1 board (Power supply board) is faulty. LOWB error code means that there's a malfunction on the 6Volts output of the G1 board.

To isolate the fault on the G1 board, you must have a skills on electronics troubleshooting, soldering and desoldering parts on the board, have necessary tools and test instrument. If you can't troubleshoot the unit yourself, don't worry, there's a DIY solution so that you can save money for the service fee of a TV technician. You may replaced the entire G1 board(part no. A-1087-323-A), this is more convenient if you are going to do-it-yourself because no troubleshooting and soldering required. I would advice you to obtain the board from your nearest Sony service center because this board is currently not available online.

Please let me know if you need further assistance.
Ratings and feedback is highly appreciated.

Hope I helped you.
Have a nice day!
Thanks for using Fixya.

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1 Answer

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Check out this link for a full solution:

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1 Answer

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hi..
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Do a reset and see what happens
While holding down the reset button on the remote
Press the power button on the tv
(The tv will turn itself off the back on)
Now release the reset button
It sounds like the lamp needs replaced....

thank u!!
rate me!!!

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