Sony can name a cause in writing when it wants to
In January 2010 Sony India published a warranty extension for the display panel of one BRAVIA LCD model, gave the cause it had found, and offered free repair until October 2012. Different model, different decade, and nothing to do with our claim. It is here for one reason: it shows Sony investigating a panel, stating a cause, and putting it in writing. We are asking for the same thing.
Sony India support notice, Jan 2010