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Sont kdl 55ex720

Network error

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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gopakumarg43
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SOURCE: sont kdl-55ex720 5red blink

IKR Error at power on 05

Posted on Oct 06, 2012

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Sony KDL-55EX720. The standby light blinks 3 times. I've found that its either my Main or Power board. How do I determine which board to replace? thanks


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://electro-medical.blogspot.com/
http://homenol.blogspot.com/
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.

Apr 19, 2017 | Sony Televison & Video

1 Answer

Horizontal stripes


Proabable reasons are two.
1. Main power supply [SMPS] board.
2. Back-light.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Sep 03, 2016 | Sony Bravia Kdl-55ex720 55" 3d 1080p Led...

1 Answer

Won't turn on


Check up your plug point,whether power is available at this point .Or try the TV with someother plug point .Get authorized Sony service center's help.

Apr 13, 2014 | Sony Bravia Kdl-55ex720 55" 3d 1080p Led...

1 Answer

Help to register netflex


Problem with vizio " hd-55 - "
Help to register netflex

Feb 13, 2014 | Sony " KDL-55EX720 - 55"" Class...

1 Answer

Sony Bravia KDl-55EX720 Struck by lightning.Red light shines.Nothing else works.


Claim on your insurance. lightning strikes reach voltages higher than a PCB (printed Circuit Board ) can handle. most of the chips inside will probably be bits of burnt glass now.

Apr 04, 2013 | Sony Computers & Internet

1 Answer

New panel of sony tv kdl-55ex720 required


You have to contact the authorized service center for Sony to get a new panel.

Nov 20, 2012 | Sony 55 KDL55EX720 3D LCD TV

1 Answer

Sony kdl-55ex720 5red blink


IKR Error at power on 05

Visit the site named 'Electro-help' for more details. Click this link. View it in 'Flip card' option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. There are more than 900 posts to different brand TVs now.

Oct 05, 2012 | Sony BRAVIA KDL-52W3000 52 in. LCD...

1 Answer

My sony LEd Tv kdl-55ex720 has the vertical grey band stay in the middle of the screen


try to play a DVD to test if the problem is on TV or the digital or analog reception..

Jun 18, 2012 | Sony Televison & Video

1 Answer

There is no red in the picture.


yes,, call the company vendor,, they'll assist you,, sont let any local vendor operate your t.v,, trust only qualified personnal only

May 15, 2010 | Sony KDL-40XBR4 40 in. LCD HDTV

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