Maytag MMV4205 Microwave Oven "brighten clock display" Questions

Clock displayed on whirlpool gold series microwave is so dim can't even see it. If I open the door or use the controls it brightens up for a few minutes. How do I make it bright all the time? possible

...clock clearly, but the timer display has been dimming steadily over time and now is barely readable. Sadly, the display tube is not available separately, so the only way to fix this is to replace the ...

...clock works and it is the right lite. 1. Sometimes you can clean it inside to brighten it up for a while. 2. In some cases, we can replace the VFD to brighten one up if it's available for a given ...