Re: Vizio XVT3D474SV: power but no video, suspected t-con failure

it is a smart Tv and I had it connected to the internet. It autodownloaded it and started the update process.
Still has not come out of it

Re: Vizio XVT3D474SV: power but no video, suspected t-con failure

I have an update. So I reflowed the main board and the Tcon board today....all the big IC chips were all reflowed. Put everything together and the tv was working perfectly. Went through the whole setup process and after about 20 minutes the tv rebooted and then had a screen claiming it was automatically updating the Firmware and was updating it to the Aug 9th 2011 version mp-xp2.7.9_rc1 and to please wait while it the tv restarts. Well, it has been restarting over and over for the last 45 minutes. Goes through the...

Re: Vizio XVT3D474SV: power but no video, suspected t-con failure

I should point out...my issue is different however. After the boot up flashing logo I can power the TV on and get the Vizio logo and then black screen. I can press the job button and see volumn control and channel selector and get into basic menu. However, this TV is not responding to ANY inputs. Will not respond to HDMI inputs...VGA(RGB) from PC or AV from DVD player. Do not have cable here so unable to check to see if that is working. Have checked every single fuse on all the boards and everything is good. The ONLY...

Re: Vizio XVT3D474SV: power but no video, suspected t-con failure

I am having a similiar issue with this same exact TV. I have the TCON board out and have reflowed all the chips that are covered with heatsinks. Afterwords I decided to go through and check out the caps on the board as several look to be slightly bulged. To my amazement it was two lesser caps that are producing some strange results.

Cap at CE28 is Labeled OE 470 EZD and when using the continuity feature of the meter (just a first test sort of way I like to check capacitors in circuit to test for blown...

Re: Vizio XVT3D474SV No Picture, Blinking Logo

Robb.....I am having a similiar issue with this same exact TV. I have the TCON board out and have reflowed all the chips that are covered with heatsinks. Afterwords I decided to go through and check out the caps on the board as several look to be slightly bulged. To my amazement it was two lesser caps that are producing some strange results.

Cap at CE28 is Labeled OE 470 EZD and when using the continuity feature of the meter (just a first test sort of way I like to check capacitors in circuit to test for blown out caps)...