I have a problem with this LCD (CFAG320240CX-TMI-T ) this working correctly, at any time disappears the shown graph and single ignition has left the LED backlight, seems as if it lost the contrast and is necessary to reinitiate it so that the image reappears. in addition the intencidad to the contrast changes and in some case the resistance is increased so much that does not see the graphs, this happens generally when this just ignited. but the lost one of image can happen at any time and some times it does not happen.
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