Question about Sony 40 KDL40EX520 LCD TV

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Factory reset no picture or sound after software update. will factory reset work? if yes, how to go about it?

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Factory reset will reset all the data values to its original factory settings. Software update is different to that. It will update the latest facilities to the TV. Even after software update, you have to do a factory reset. If you wish to get more details, check this site linked below. Pull up older posts there. Check the site with patience, as it has over 2350 posts now. All are related to electronic equipment repair help. If you search the site in Timeslide option, which can be selected from the drop down list at the top left of the display window, it will be easy to locate the related post. You can also do a search by type in the brand name to your device into its search box at the top right of display window. http://electronicshelponline.blogspot.com/

Posted on Apr 27, 2013

Testimonial: "thanks for posting. but since nothing can be seen on the screen how do i get 40EX520 into the service mode? any remote controller steps/codes that i can punch in?"

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Bush lcd40883F1080P turned itself off. turned back on had brief sound, no picture but then sound went off too.since then I have a standby light but no sound or picture.


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Feb 02, 2017 | Bush Televison & Video

1 Answer

There no picture or sound


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory ResetF (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Jul 26, 2016 | Televison & Video

1 Answer

How do i repair my vizio tv has no sound and no picture, the back lights work.


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/

In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

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1 Answer

Sound on certain apps keeps going out


do not disable the av software which comes with devce as default...first check in setting>sound n volume wether it is enble if yes check the basic player software is enabled and updated...it may help you i hope....if not make your backup of contacts and data n file and reset your device to factory setting

Dec 18, 2013 | Samsung Galaxy Cell Phones

2 Answers

Zte warp wont keep pictures


You can try resetting the device and check if that would work.
Power off the phone.
2.Press and hold Vol+ key and Power key simultaneously until several blue sentences appear on the screen which are reboot system now; apply update from sdcard; wipe data/factory reset; wipe cache partition.
3.Use Vol+ key and Vol- key to move the cursor to "wipe data/factory reset" and press camera key to confirm it.
4.There are many words "No" and one sentence "Yes -- delete all user data". Use Vol+ key and Vol- key to move the cursor to "Yes -- delete all user data". Press camera key to confim it.
5.The phone will finish the reseting by itselft after about 10 seconds later and then the cursor will be on "reboot system now" and press camera key to confirm it. The phone will reboot automatically.There is no unlock and password any more after the phone is on.

Jan 17, 2013 | ZTE Warp

1 Answer

All of a sudden the sound isn't working and yes I checked the mute button already and it is just a cable connection....sound was working fine one day and the next day it won't work at all.


Tries cables or satalites boxes and tv unplug,replug it back like about an hour later,for the tv to do resetting itself back to the factory setting and those pay boxes to updated it softwares.Go to tv Menu go to Audio Setting go down for a resetting to go back to factory setting.By doing these steps have a great chances getting ur tv audio back.

Mar 24, 2011 | Protron PLTV-32 Television

1 Answer

We do not receive picture or sound, get "No Signal" message on screen. Receive static sound. Have tried resetting per instructions on Sony assistance


Tries unplug,replug tv and pay boxes back like about an hour later.Now tv and cable or satalite boxes are resetting itself back to the tv factory setting and cable or satalite boxes by rebooting and those pay boxes and updating it softwares.Now the the tv should work right again.If not call ur pay tvs providers get a another pay signals boxs.

Dec 11, 2010 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Westinghouse 32 lcd tv - no picture no sound - set comes on power light stays on logo comes up but then screen goes black and no sound either - would this be a bad power or bad main board?


Reset the tv and the cable or satalite boxes,replug it back an hour later let the tv reset it self back to factory setting and the boxes upgrade it software.The tv should work now.Not,than yes.It the Tuner main board.

Sep 17, 2010 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

3 Answers

How do I reset my tv to factory settings. samsung 32 inch LA32R81WDx/xSA


On a different Samsung TV, there is a Picture Reset in the Picture Menu on the OSD. (It's at the bottom of the list.) Similarly the sound reset is in the Sound menu. There is no global reset. (If your Samsung TV's OSD menus are different try under the Support menu.)

I hope this helps.

Cindy Wells

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1 Answer

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First reset it to factory default: While pressing [VOLUME ( - )] button on the TV, press [MENU] button of the remote control 2 seconds, the self check screen will appear, then Unplug Power to reset.
If doesn’t work, update the software, if still not work, let me know.

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