Kenneth R Herndon , VA July 27, 2015 Appliance: General Electric General Electric JVM1740DM1CC Ge Microwave Jvm1740dm1cc / : The numbers 3 & 9 would not work on my keypad. How to replace Contol Panel Asm Bq. I replaced the control panel assembly and it is fixed now.The hardest part of the repair was trying to attach the smart board and ribbon cable to the new assembly by myself.A helper to hold it would be nice. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes