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Sony kv-ha21n70 turn on and off lights blinking four times?

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Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on Dec 06, 2016

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Posted on Jan 02, 2017

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If you wants anymore assistance, feel free to get me by Fixya.
Thanks for using Fixya.

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1 Answer

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Hi,
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1 Answer

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Sony FD Trinitron WEGA KV 32FS120


Hiii...
I'm not certainly sure how many time the led blinking ?

I hope hear from tou soon...

Thank's

[Vrya]
be_cek@yahoo.com

Feb 23, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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