Question about Samsung LA40A550 40 in. HD-Ready LCD TV

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Samsung LA40A550 no picture and sound

My Samsung LCD LA40A550 suddenly not working. When i turn it on there is no picture or sound but the power light keep blinking.

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Power supply board is dead.That the board,the power a/c cord go into it.Replaced the power supply board will solved ur tv power lite LED light indicator blinking and ur tv power will be stable and work again.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Posted on Jun 04, 2010

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No picture but sound 40 in serices 5 530 L C D TV

Posted on Aug 06, 2011

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Posted on Jan 02, 2017

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2 Answers

Update firmware usb


I believe the correct model number is LN40A550. If so here is
the download firmware page for it..
http://www.samsung.com/us/support/owners/product/LN40A550P3FXZA

Aug 24, 2013 | Samsung LA40A550 40 in. HD-Ready LCD TV

1 Answer

Are have thish TV 3D function???


if you meant to ask, "Does the Samsung LA40A550 LCD TV have 3-D capability?" then the answer is no.

It pre-dates 3-D and is completely incapable of displaying those image.

Jun 30, 2011 | Samsung LA40A550 40 in. HD-Ready LCD TV

1 Answer

LN40A610A3R. TURN ON DARKNESS PICTURE. AFTER, TURN OFF AND TURN ON AGAIN THE NORMAL PICTURE. I DONT UNDERSTOOD THIS PROBLEM...


If you can, check the power saving setting of the tv set and switch it off. Does that solves the problem?

Jun 17, 2011 | Samsung LA40A550 40 in. HD-Ready LCD TV

1 Answer

The display is black and sound is OK


might be on wrong channel,see if you have an input button on remote for tv,keep clicking it until u see a picture

Oct 18, 2009 | Samsung LA40A550 40 in. HD-Ready LCD TV

1 Answer

No picture on Samsung LCD 40" TV


Nobody could guess that! it depends on where you are in the world. For Instance I am in australia network.
Call outs generally run to $AUD90 and $90 and hour Min 1 hour.
You do not say whethyer the power light lights up so its again guesswork.
If the power light IS lit then there is power from the wall to the primary coil of the power transformer. I would then suspect either the secondary transformer has failed, or that a fuse after the secondary and pre picture/sound module has blown. The power supply ( cant by bits) costs around $200. The fuse 0.60
add to the callout fees and you get some idea of the cost can cost half the value if a $1000 TV The plasma screen hasnt gone so that's always a plus and its rare for the video board and sound module to fail simultaneously. So my bet is the poer supply side and fuse

Aug 13, 2009 | Samsung LN-R328W 32 in. HD-Ready LCD...

2 Answers

My tv wont turn on


My LA40A550 Samsung HDTV is 4 months old. It is doing same. That is the red led blinking 2 sec on and then off for ever. No picture, no sound, nothing. just dark black screen. What to do ?

Mar 16, 2009 | Samsung LA40A550 40 in. HD-Ready LCD TV

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