Question about Samsung Televison & Video
My television is a Samsung LN46A550P3FXZA. My problem is that I get no picture and no sound. However, the (white) lamp at the bottom of the television is lit and the small red LED (I think that what you call it) constantly flashes. Also every 20+ seconds I hear clicking ''cli-Click.'' This is what it looks like: http://goo.gl/EuQg I was advised that the problem may have been the power supply board. I was able to purchase one and replace the one that was inside my tv. It worked, but after a few days while I was watching tv, the picture & sound went out and some red dots flashed on my screen and the problem of no picture, no sound, flashing red light, and the click came back.
Thinking that it was just another bad power supply, I ordered another one...but THAT didn't work.
Can someone tell me that the problem is something other then the power supply? Here is what my television looks like in the back. ( http://goo.gl/yfVU ) Could something be ruining the power supply?
Please keep in mind that I know nothing about televisions, so feel free to ''teach'' me about this if necessary.
Here are some tools that you may need :
How to test for Continuity
How to use a multimeter
of course with a service manual like one of these:
snapshot on the page:
or these one :
SAMSUNG LN40A530P1FXZA, LN46A530P1FXZA, LN52A530P1FXZA Chassis GPR40MUS, GPR46MUS, GPR52MUS Direct Download! (Pdf, 27 MB)
there could be other web sites for your service manual
With the tools above , there might be a chance to have it working
only with the aid of the service manual.
Since you have also replaced the power board , have a visual
check on the 1000 uF capacitor on the former board.
Check for Va and Vs
All voltages must conforms to the Service Manual Specifications
Procedures are stated on the service manual.
Although , these symptoms can be also caused by these board
But most often on the Power Board.
Hope these helps
Posted on May 29, 2010
Have you checked all the parts on the mainboard? could be somethingnot feeding right and killing the power supply??also, how is the electricity in your area? you can use a meter to check it. I have a lot of problems with power spikes where I live and its killed a dvd player a few years back.
Let me know and I will respond with any info I can.
Posted on May 28, 2010
Thanks for using FixYa. To start with check the lamp if that’s working fine, you can also take the lamp cover off from the back then take the lamp out and try to reset the lamp door switch and then put the lamp back in. After this if still the issue is not resolved then check the ballast which is the power source for the lamp and if you also hear a loud whine like sound then it means that the color wheel has gone bad and needs to be replaced. If the lamp seems to be working fine then it’s the DMD Board that needs to be replaced. Please do accept the solution if the issue is resolved or post a comment for further assistance.
Posted on May 28, 2010
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Posted on Jan 02, 2017
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