Re: Sony KDL-46XBR2 no sound,backlight, or picture just green light



Very cool! Thanks, Bud!...

Re: Sony KDL-46XBR2 no sound,backlight, or picture just green light



I checked fuse F1 on the old T-Con and it is open. I don't know why it blew, but I figured it would be one of three causes:

1. The T-Con itself failed
2. The BE-2 board failed at the LVDS interface, taking down the T-Con too.
3. The panel failed, taking down the T-Con too.

The T-Con and BE-2 replacements came out of a working KDL-46XBR2 with a physically damaged LCD screen, so if the fix didn't work, then the panel would be the culprit, and at $2005 + another...

Re: Sony KDL-46XBR2 no sound,backlight, or picture just green light



Thanks! I'll give it a shot. I'm getting really proficient at taking this thing apart and putting it back together.

I wonder if I should also swap out the inverter boards at the same time, while I have everything apart?...

Re: Sony KDL-46XBR2 no sound,backlight, or picture just green light



Where *is* the T-Con board? Is it embedded in the panel? The service manual doesn't mention it at all, and I stopped disassembly at the chassis frame level, without taking anything off the panel itself. Mine also has a black screen, no audio (now that we've lost input source by experimenting with the remote to get the picture back), but nice solid green power light and Sony logo light. I acquired another KDL-46XBR2 on CL, and its only apparent problem was impressive screen-wide spiderweb cracks in...