MICROWAVE D9023EFL BRANDT MODEL

Question

HELLO!
MY BRANDT OVEN DOES'NOT HEAT WITH MICROWAVE PART BUT OK WITH RESISTORE PART .
I THINK THAT DIODE IN THE DISCHARGE CIRCUIT IS BURNED .I AM LOOKING FOR DATA SHEET OR EQUIVALANTE CURRENTLY IN MARKETS OF THE FOLLOWING REFERENCE : T4512H
THANK YOU FOR LETING HEATING RAPIDLY MY PIZZA