Saba | S Chassis-A57Mprocessor. | Starts with display not lit and stby led lit. When hot,no control functions from panel or IR sender. Snow on screen. | Clean control board thoroughly with a solvent, especially around Tr19-26-27.Change RR67-68-69 without measuring. To check, ground pin 21 of Mp(reset} and the TV should work. | 14-09-04 |