SOURCE: TV shuts down with Red Light blinking
Thats an easy set to trouble shoot, but you would need the manual called toshiba power supply and shutdown circuit troubleshooter. It takes you step by step on the items to check so you can easilly pinpoint the problem. You can get that manual at the following link, they email it right after purchase and they also provide free one on one tech support so you can get help with it if you need. Heres the link
http://servicemanuals.vstore.ca/
SOURCE: KDF70XBR950 red power light belinks 6 times repeatedly
Hi.
You have a power board error, and TV is in protect mode. This had been caused by the power surges.
Try leaving the TV disconnected from power (unplug cord) for several hours, or overnight.
This will allow PSU capacitors full discharge and can fix PSU fault after power surge. If it does not correct the problem , then there is a faulty component.
In that case the TV must be tested and repaired by a technician.
Regards.
Testimonial: "Unplugging overnight did not work. But thanks for the suggestion. Looks like thisis going to be a service call."
SOURCE: screen flashes blue, then shuts off
This model had a lot of problems with bad picture tubes--the blue one is the most common to go bad--the tube will pull so much current the set will go into shutdown.
The tubes are only available on a rebuild basis--very expensive and usually not worth doing.
THERE IS ONE OTHER THING YOU CAN TRY TO DO TO MAKE THE SET WORK FOR A WHILE.
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Here is what you need to do.
1.) You need to remove the entire plastic piece below the front of the screen.
You most likely will find 3 screws on either side in back that you have to
remove.
2.) The grill will not come out easy, pull from one side and then when it
starts to come loose from the other side(there are several plastic pegs that
hold it in.) Then from the bottom pull out( most of these sets have square
plastic tabs at the top that tuck in.)
3.) With the grill removed locate the inspection plate behind it (it usually
has 6 screws.) You will have to tilt the grill to the left and on its side as
several cables are connected to it--they are held in place with trash bag like
ties that you can release to get some room.
4.) With the inspection plate removed you will see a fairly small (about 3 inch
square) BLACK PLASTIC BLOCK WITH SIX CONTROLS-usually they are marked with
whiteout so someone can tell if they have been adjusted.
5.) You need to look very close at the block with a flashlight----usually the
top three controls are FOCUS--don't touch those.
The lower three are usually marked Screen and if you look very close you will
see b, g, r(blue green red)
6.)Usually the blue will be on the bottom left--it does vary
7.) Once you locate the BLUE screen control have the set on and turn it
down--if the set is shutting down you may have only a few seconds to try to
turn it down---usually to the left with the Blue Screen control.
8.) Best way to do this if the set is on is on a video input
with nothing connected--you turn
the blue down until the set stays on and then very slowly turn it up until you
see a slightly blue screen with or without diagonal trace lines----if you get
it to turn on this way turn the blue screen back down slowly until the blue
screen and trace lines just disappear.
Let me know if you get it to work--Like I said if it is shutting down you may
have to slowly turn the blue screen down a few times to get it to stay on.
IF this works you may only be buying yourself some time--if it is the blue tube causing this sooner or later it will repeat--I have seen several sets where the adjustment allowed the set to work for another year or more.
If this told you something you did not know, rate this solution as I do this here for FREE.
SD TECH
Testimonial: "This fix did help temporarily, but had to take the blue completely out and it still flashes. I think it may be a lost cause and not worth fixing."
SOURCE: I have a new Logitech
First: Recheck battery placement - positive and negative ends of batteries must be correctly positioned. Your keyboard batteries have a 3-year life, so they should not have any problem after using your keyboard for only a month.
Second: Most Logitech (and other brands) have a one-year warranty. Since you're already having problems with your keyboard I would suggest returning it to place of purchase for replacement.
Third: Refer to Logitech's problem solving page: http://www.logitech.com/en-us/434/6007?tabs=1,3,2,4,5§ion=overview&hub=1
Good luck!
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