Question about Toshiba 43H70 43" Rear Projection Television
I have a good picture but it has no color. All the menu's are in color but the picture itself is black and white. I have tried all video inputs and antenna inputs and still get the same. It will flicker with color if I bang it on the back or side. lol What would be causing this? Thanks ahead of time.
Initially, have you tried a full hard reset? If not, pls unplug from the mains. Most current devices would reset and revert back to factory default settings (assuming no internal hardware fault) when unplugged for a considerable period of time (from a few minutes to a couple of hours).
If the above does not prove to be corrective, you may have to consider:
1. demand service from an authorized service center if the unit is still under warranty;
2. seek onsite services of a qualified professional; or
3. consider a DIY (do-it-yourself) which would require access to a service manual or at the very least a schematic diagram, familiarity with electronic components and circuitry, a DVM and possibly as soldering iron.
From initial search, it would seem that this is a common issue with some Toshiba models.
Hope this be of initial help/idea. Good luck and kind regards.
Thank you for using FixYa.
Posted on May 06, 2008
There is a loose contact somewhere in the color circuitry of your TV. Specially where the color oscillator is or it could the 3.58 Mhz Crystal that is defective.
A cold/crystalized solder joint will cause this failure too.
Posted on May 06, 2008
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Posted on Jan 02, 2017
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