Each channel has a black box blocking the view of the picture. Picture becomes visible for awhile when the eds button on remote is pushed to on, but black box keeps returning after a little while.
Turn off the close caption in the settings.
SOURCE: Black box in middle of screen
You have CC (closed captioning) turned on and it is set to text mode.....Go to the menu on the remote use the right arrow and hilight "C.CAPT",use the down arrow to highlight "C.CAPT",use the right arrow and highlight "off" then exit button on remote.
SOURCE: Toshiba tv model 32A443
hi sir, it is quiet clear you have a dried up capaciters in the power supply board and the capacitors of the feeding volts 115v 12v 24v please refer to qualified person to replace them all and evrey thing will come to regular state please don't forget to rate and remember i am here just for help thx
SOURCE: tOSHIBA tv
I had the same problem. A big black box in the middle of the screen that would temperarily go away if with the EDS button.
Go to the main menu and turn off closed captioning. It worked for me! :D
SOURCE: Toshiba TV picture has become single horizontal line in middle
this problem is caused by a faulty ir of cap's . First is c408 on the board it is a 100uf @ 35v i replaced with same uf and @ 50v , Second is a 2.2uf @250v and is c410 on the board replace both and your off to the races.
BEWARE OF HIGH VOLTAGE EVEN IF UNPLUGGED
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SOURCE: Toshiba model 36a43 The tv
What you're describing sounds to me like "Windex syndrome". People sometimes clean the front of their TV by spraying it with glass cleaner like it's a window (which it basically is) and wiping it off. Unfortunately the cleaner can run down onto the circuit board where it damages the switches and wiring. This might be what's happening in your TV, although the same trouble can be caused by other things as well.
The way the front panel controls are wired, a bad switch can cause all of them to act up. The remote sensor is part of the chain too, and if it goes bad odd things can happen. If the set is in an area of high humidity the same trouble can develop because of moisture. One of the switches might not be operating correctly, or another part in the button chain may have gone bad. The microcomputer in the TV may be bad. If you've had a recent severe thunderstorm with nearby lightning, this may have affected the chip.
Try unplugging the TV from the AC outlet, not just turning it off. Let it sit for 5 minutes to make sure that capacitors have had a chance to discharge. Press a couple of the front panel buttons before plugging the set back in. Then plug the TV back in and see if you still have the same trouble. This process makes sure the microcomputer inside is fully reset and often gets the set going again.
If the trouble continues, someone will need to check the front panel switches and the circuit board. That's the area where the cause will be found.
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