Sony KP-53XBR200 53" Rear Projection Television "service code colour tv using" Questions

...code when the screen is locked ...... open the unit from the back by removing the screws there you will find the power supply board.on that power supply board from inside you will find the very small ...

...code which can control the power supply, Standby timing etc etc. The Eprom may only be an eight or a sixteen pin device but it a crucial part of the set where information is perminantly being read ...