Re: Samsung EU40F6400 power cycling


Hi Legionnary,
I have a problem with the same power supply with the relay switching and the backlight coming on for about a second. I am working without a schematic but checked the voltages to the backlights. There appear to be 4 drives' 3 of them measure in the 45V region but one measures about 14V. There are 2 X SLC2013M IC's that seem to be connected to these backlight voltages. How did you get on when you replaced these IC's. I am planning to take a chance and replace both....

Hi All,
I need help with an LG 37ls570t TV power supply. I need to identify ic601 on the power supply board ( type eax64405901). The ic is used to drive the power factor FET and its part number begins with FAN ????. I cannot see the rest of the part number. Cannot find a diagram anywhere. Any help appreciated.

Here is a good source for some TV power supply schematics.
[url]https://www.electronica-pt.com/esquema/lcd/orderby,1/page,28/[/url]https://Here is a good source for so...page,28/[/url]

Re: New Members - please post your introductions here

First post.
I go back to the good old days of 'valves'. Remember the little things with the light inside.