Question about Samsung DynaFlat TX-R2035 TV
I have a 32" Samsung Dynaflat HDTV. The picture seemed to drop about 4" so now there is a big black area at the top of the TV. This is the second time it happened. 3 years ago we got it repaired but unless I can do it myself it isn't worth fixing again.
To explain the problem perhaps you can envision the really old TVs. At times the picture would fall and there was a little knob called "vertical hold" that would allow you to move the picture back up. It's the same here except obviously there is no vertical hold button. I have no idea why the picture dropped but as I said the last repair was $400 which isn't even worth the price of the TV anymore.
Hi and welcome to FixYa,
Almost always, your described fault of the TV is the pump capacitor in the vertical section. These capacitors tend to leak due to the heat build-up in that area. Other than that, no other component (to my knowledge) could exhibit the same symptoms. Price wise, component cost should just be a few dollars something making the repair if done by yourself (DIY) worth the effort. This is a relatively easy/quick repair, what would be more challenging is identifying which of the hundreds of capacitor is the one faulty and getting acces underneath the board to perform soldering.
To help you determine which, initially identify which is the vertical section. The vertical IC is often a single in line package with 7 or more pins. This IC would be attached to an aluminum heatsink. It would be very close to a 4 big wires terminal/connector that goes to the yoke. Very very close to the vertical IC would be several capacitors, about 5, certainly not more than 10. Among these capacitors, 1 would be relatively bigger with a value in the neighborhood of 100uF/50V. This is the pump capacitor. Replace it with a similar value readily available from most electronics supply store including Radio Shack. You would need a soldering iron to effect the repairs.
Good luck and thank you for using FixYa.
Posted on Feb 18, 2009
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Posted on Jan 02, 2017
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