Re: SANSUI SLED6515 no backlight, has video/sound

Bump, anyone have any ideas? Any help is appreciated!

Re: SANSUI SLED6515 no backlight, has video/sound



Hmm, is there any way to proceed without an LED tester? Or any way I can buy/make a LED tester on the cheap?...

Re: SANSUI SLED6515 no backlight, has video/sound



It doesn't look like there is any light coming from the backlights....

Re: SANSUI SLED6515 no backlight, has video/sound



I appears that all pins read 0V, except for the aforementioned pin which reads the same, jumps to about -116V then remains steady at 0.2V....

Re: SANSUI SLED6515 no backlight, has video/sound



It's the same, 4.4V...

Re: SANSUI SLED6515 no backlight, has video/sound



Attached are some more photos. There's a plastic sheet held in with pins that is difficult to remove.

After removing the two connectors and testing BLON, it still reads at 4.4V....

Re: SANSUI SLED6515 no backlight, has video/sound



I hope I did this right... I have the TV plugged into power, with it OFF. The black probe is touching the metal bracket that the board sits on, and I'm touching the red probe into the tops of where the wires enter the connector touching the metal part inside. With the multimeter set to measure Voltage at 200 sensitivity none of the wires seem to have any sort of reading. None of the wires in CON4, or the pairs of wires for the two connectors to the backlight.

Here are the results of the second test,...

I recently received a Sansui SLED6515 TV from a relative for free as it's not functioning properly, and was sent a replacement from Amazon. As I'm somewhat technically inclined I thought I could attempt to repair it and have a nicer TV than what I have now.

As the title states the TV does show a picture when you hold up a light to the screen, and it does output sound. However there is no backlight at all. Also, I'm not sure if this is a result of me taking apart the TV, but after putting it back together I noticed that it makes a 2 second long buzzing sound coming from around the...

Re: New Members - please post your introductions here

Hey everyone! Registered for this site like five years ago, making my first post as I'd like to start using this site as a useful resource for fixing stuff.

Cheers!