LG 50 inch PLASMA

[raymond gem]

 :dubbio:Hi everyone,

I have a 50in LG PLASMA Model No PDP50X3,On s/w on the set tripps five times then shuts down, the psb seems to be ok (no bulgeing caps etc) to save me trying to purchase a diag. has any you ever had the same fault with this model.
                               
             REGARDS  RAY.