Question about Televison & Video
On My elfunk 37781fhd the screen sometimes goes partly black. I can see the picture behind the black fields. Of i tap the back wall
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Posted on Jan 02, 2017
You have a bad connection to the panel or bad caps on the boards. Not something for the DIY'er. High voltages in plasma sets.
Posted on Mar 31, 2010
SOURCE: Sanyo 24 in flat screen
Your flat panel TVs picture tube base board has soldering loose contact with it. Just unplug your TV from AC mains socket, and open it. Pull out the picture tube base card from the picture tube neck. Pull it out straight, no shake must be there, as it will damage its connecting pins.
Normally, loose sodering are very difficult to loacate, as they will be quite micrscopic in size. Just resolder all the suspected loose sodering point on that board, by applying a little more solder. This will solve your TVs problem. OK.
Posted on May 26, 2011
Testimonial: "Going to try resoldering all the connection,as you stated only seam logical if hard to find, do them all. thank you. PS. I was not thinking..."
SOURCE: I have a Sony CTV
That problem is usually cause of faulty capacitors on the power supply board..
Just follow this instruction to fix your TV..
1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter
Posted on Sep 02, 2011
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