adj. 1  wide; of great breadth:The Mississippi River is its broadest at this point. [ 2 after a noun of measurement] measured from side to side: three feet broad. 3  open; full;  not limited or narrow; extensive:Our teacher has a broad range of 1  interests. [before a noun] general: in the broad sense of the term.  plain or clear;
To replace the relay bord you have to uninstall the entire oven and remove the screws coming in from the top panel. Remove the top panel and then you'll see the relay board and you ca replace it. There is no way to jsut replace the relay control board from the front.
See 3 ELECTRICAL GROUNDING INSTRUCTIONS on page 2. 1 MOUNTING SPACE This Microwave Oven/Hood requires a mounting space on awall as shown in Figure 1. It is designed to be used with standard12-inch wall cabinets.If the space between the wall cabinets is 36 or 42 inches, a FillerPanel Kit can be used to fill the gap.