Question about Televison & Video
In the middle of watching a digital broadcast, the picture froze. It would not respond to the Remote except for a couple of functions eg Volume, Source Select, Picture in Picture. If the source is changed to Analogue/AV etc it works fine but as soon as I change source back to Digital the screen displays a frozen image of the last thing displayed before changing source.
Toshiba Helpline suggested removing the power input for 5 seconds to reset the TV but that did not work - I even left it disconnected overnight without success! She said that there is a Factory Reset option hidden away in the menu, but it's in the Digital menu which I can't access!
Is there any other way to reset it, or is it likely to be a repair job? If a repair, anyone have an idea of the likely cost?
You can fix this, all that is needed is to carefully understanding the electronics parts used and having little of basic knowledge in electronics.
The problem is in either power supply or the Y sustain board. The Y sustain board is are relatively large board if out of which go connections to the side of the display , it therefore closer to either the left or the right side of the display , has at least one rather large heat sink on it and far power cables connecting it to the mains power supply .
Often there are fuses on that board , one or more , check them
If they are blown you can try to replace them, but expect them to blow again , usually the whole board needs to be replaced.
Often that need to be done in a service center as there are some adjustment to be made after replacement.
Posted on Aug 22, 2010
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