Question about Toshiba 55HT1U LCD TV
When I first turn on my tv its starts to flash with no sound. Then the picture goes away with just a black screen still without sound and the LED light is still green.
In fact your TV is in dead condition. Troubleshooting should begin at main power regulator bard itself. Visit the site named 'Electro-help' for
more details. Click this link. View it in
"Timeslide" or "Flipcard" option, which can be selected
from the drop down box menu by the [Sidebar] tag, at the top left corner
of the display window. You can also
click the [Home] tab to see the latest updates. It will make search
easy. There are more than 1350 posts to different brand TVs now. Pull up older
Posted on Nov 29, 2012
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Had the same problem myself. Took some doing but I managed to find a service bulletin that I downloaded. The problem is with the siene module and all you need to do is unplug connector JP63A from the main board and your TV will work again.
Take the back off the TV (there are a lot of screws) and look on the left hand side of the main circuit board that is mounted in the center of the TV. You will see a small white connector that is labelled JP63A, simply unplug it. Plug the TV back in and let it reboot. That's it, should be able to watch immediately.
Posted on Mar 15, 2009
SOURCE: Toshiba 42hp66 without an image
Hello, You most likely have a bad Y sustain board! Part #'s are:
6871QYH053A, 6871QYH053B, 6870QYH005B, 6871QYH953A, 6870QYH105B.
Here is a link to the part you need!
I hope this help you! Please feel free to give me a call or message me if you have any questions! Ask for Dave!
Thank you! :-)
Posted on Aug 26, 2009
Part of the power supply is in protect mode. There is most likely a short or something failed on one or more of the boards.
The service rep would swap out boards to locate the fault. Then he would leave the new board(s) in the set, and perform any necessary adjustments.
Take the set in for an estimate before approving repairs. There are many times these sets are not worth serving when they are out of warranty.
Posted on Mar 05, 2010
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