Question about Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Inverter opertion
If the inverter board is bad, I would suggest that you replace the whole board unless you have a SMD (Surface Mounted Device) rework station, and a background in electronics. I have worked on TVs where people have tried to remove SMDs and it never is an easy thing to do, so I would again suggest that you replace the whole board, because all of the components are SMDs.
Now as to your question, I have seen on these sets the majority of the time it is a driver transistor that goes bad.
I hope this helps,
Posted on Nov 28, 2008
I also have a SAMSUNG LE52M87 LCD TV and I have the same
ANOYING BUZZ comming from ( I think ) backlight converter. - I am
almost 100% that its because of the backlight inverter while the sound shifts frequency when backlight is changed ( from 1 - 10 ), but the volume of the buzz stays the same. Only the tone changes. I have this TV for a year now and havent realy noticed until now, so I think it started buzzing recently, because I didnt hear it before ( and I got realy sensitive hearing :) ) ...
ITS DRIVING ME CRAZY ...
PLEASE post what happened when ( if ) you changed the inverter,
or what did you do to solve the problem ...
Many thanks in advance!
Eddie from Slovenia
my email: Ldesign.email@example.com
Posted on Jan 08, 2010
You may be able to repair the board instead of buying a replacement board. If you are up to a little soldering it may save you a good bit of money for the repair. If you are interested just take a few pictures of the boards and email them to us at firstname.lastname@example.org We will check them out and give you some pointers on what to do. Most power supply issues with the blinking power lights are caused by blow capacitors on the power board. These are fairly easy to replace and the replacements are less than $20 usually. To get an idea what capacitors are and what will need to be do to repair you unit check out our pages at :http://www.ccl-la.com/blog/index.php/capacitors/ You may want to look over the repair guides for other units we have posted too. If you need parts we can also supply them for you. If you have any additional questions just contact us at: email@example.com
I hope this helps, If so please rate our solution.
Posted on Apr 19, 2010
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