Which electronic boards to replace in ge advantium microwave

Microwave Repair
1

Brand:ge
Model Number:zsx1201j1ss
Main Symptom:display freezes/flickers
What happens & when:intermittent

Error Code (if any):
Parts or tests already tried:none
Photos / video link:

2

We would need to know what is going on with the unit to be able to determine which parts you need.