Question about LG Televison & Video
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Posted on Jan 02, 2017
SOURCE: No picture, only sound
The set has a shorted vertical output IC, probably a TA8427k. The capacitors around the heat sink of this IC dry out and cause the IC to run hot. The correct repair is to replace the vertical output and the electrolytic capacitors near it. Also use 105 centig instead of the original 85 centigrade. The is some time a pico fuse or current limittng resistor which must also be replaced. This a common problem with Toshiba and is not a bad picture tube. The usual cost of this repair is around $120-150 depending on the integrity of the technician. Scrivitron
Posted on Jun 29, 2007
Contact me. I have saved literally dozens of the 510/610/710 series by now, many of them sent to me from across the country, like Denny did. Even one from Canada.
If your set is still working properly with only intermittent bouts with these problems, I can all but guaranty that my resoldering technique will get you up and running again. I have been 100% successful so far, on boards being sent and on-location repair as well, under the condition that it is still in good working order as we speak, aside from the intermittent problems.
But for now, SHUT IT DOWN. Don't use it again until fixed. Others have not, they have continued using it while hurt, and have paid the price of more extensive damage, which never shoulda happened. This kind of thing is like needed dental work - it never gets better on its own.
Posted on Jan 22, 2008
SOURCE: screen flashes black
Hi this is the way how to
examine what's wrong with your LCD monitors. After you turned it on and the
screen blacked out, you have to check that if you can see the image on the
screen or not by shining a flashlight into the screen, not directly but find
the best angle to the screen and take a look very closely. If you can see the
icons or any image, there will be a minor problem. This is because of the lamps
inside screen. Some of them were broken and it is very easy to replace. If you
cannot see anything on the screen, there'll be some problems with inverter
board. If you have soldering tool and want to fix it by
yourself, check the caps first. It may cause this problem. Some caps might show
leaking or burn spot on the board because of too high temp. If you don't have
soldering tool, you better go get a technician to do so. Hope this help!! If
anything I can help you with, feel free to let me know.
Posted on Mar 07, 2008
SOURCE: Samsung LE32R7 Picture Flashing
I have a 37"Samsung LCD and having just spoken to the Sky engineer (also a friend) he says it is a national problem between Sky+ and Samsung. I have the same problem when on playback but not on real time? If you had your box changed to an Amstrad what sort did you have the problem with?
Posted on Apr 21, 2008
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