Question about Samsung Refrigerators

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Have a samsung tv UN40H6203. sound no picture. after a reboot now no picture and no sound. red light on front works.

After taking back cover off and pluged in when turned on I see 3 blue lights on bottom center circuit card and a red glow light on left side circuit card below the 2 usb inputs. looked for damaged round top capacitors didn't see any.

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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://electronicshelponline.blogspot.com/
http://homenol.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Posted on Jan 06, 2017

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Posted on Jan 02, 2017

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I have the Samsung model: LN46E550F6FXZA, I can hear it power on, the red light on the front blinks 5 times then goes off. There is no sound or picture.


You will need to have it repaired, looks like the inverter board is broken. Google Samsung tv blinks 5 times, there's tons of threads.

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The light is on in front of the tv but not picture or sound


THE PROJECTION FUSES R BLOWN,U NEED TO VERY CAREFULLY TAKE BACK OFF /UNPLUG TV FIRST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!/THEN RUN FINGERS DOWN WIRES COMIN FROM PROJECTION THAT LEADS TO FUSES,REMOVE THEM,TAKE TO RADIO SHACK AND GET MORE THAN REPLACE THEM

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1 Answer

No picture or sound/wont power up


Your mainboard is damaged, the mainboard is the one where you plug all the cables (component HDMI), it is really easy to replace, you only need to take special care with the screws.
1. remove all screws in the back.
2. unplugg all cables from mainboard.
3. remove all srews from mainboard and replace it.
4. put all screws back and then plug all cables again.
5. double check all mainboard cables are properly secured.
6. Test TV.
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8. Enjoy your TV again.

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1 Answer

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is the picture clear when on? if yes, does the screen go black after a few seconds. if yes, sounds like you need a back light inverter!

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No picture or sound


When the red light is on, can't you turn it on by pressing channel up on the set, or power on the remote? If still under warranty or if you have no electronic repair experience you should take the set back to the shop or to a repair person. TV's are very hazardous to service. Even when plugged out, TV's can store very high voltages. Its possible that a capacitor has gone bad. You'll need to work on that, and then readjust the set. Not a major repair. When you open it up look for dry soldier joints and resoldier if necessary. good luck

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