Question about LG Televison & Video
When I turn the TV on it the picture will show for a second then go black screen it will continue picture no picture.
your tv is on the blink.
remove the back panel of set
on the crt pcb board you will find a wite or black pot.
turn it up or down while set is on this is the [email protected] voltage ajustment.
you might get 3 monts to a year of extra life from your pictor tube by doing this.
Posted on Jan 13, 2009
This sounds like the power supply that feeds your back-light is going out. This repair should be done by a qualified technician
Posted on Mar 13, 2009
SOURCE: TV goes black
I had the Same issue. on a 50PF9431D/37 set. Many Plasma Set's use a LJ44-00118A PS-505-PH Power supply from Samsung. Known to have this common problem. If you can, or have a friend that can Solder components?. Unplug your set remove the back panel & locate your power supply. It will be the PCB in the center of the set just above the Video/Audio connections. http://www.shopjimmy.com/power-supply-unit-lj44-00118a-from-philips-50mf231d-40.htm. Is a Link to a photo of the PCB. Make a note of the locations of all cable connections then unplug them all. Un-install PCB, Check all Fuse first. I believe their is 5 or 6 of them on the PCB. Then replace the two 3300uf 10v 105C Radial capacitors at C8060 & C8059. Look to see if the Caps are deformed and or split at the top. The location of the caps are in the Lower bottom edge of the PCB. A local shop may Carrie them if not, digi-key has them. Part # http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=493-1754-ND. Total cost was $7 with S/H.
Posted on Jun 25, 2009
SOURCE: LG TV - TV Guide Function Stuck
I have the same issue on an LG TV. The TV Guide is completely black with a small picture in the corner. It's as if the software is no longer working.
Posted on Jul 31, 2009
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