Sound but no picture toshiba 56h80
This set will blank the picture for several different reasons:
No filament voltage to the three tubes it uses.
No high voltage to the three tubes it uses.
No vertical or horizontal sweep (prevents all three tubes from having the screens burnt with a line.
Some of these can be tested but most require a schematic etc.
Set has several fuses and some do not look like fuses--called pico fuses.
SOURCE: We've lost the remote to our Toshiba 56H80 TV and
No,sorry this function work only for the remote control.Try website like Remotes.com to buy an original remote.
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