We have a GE over-the-range microwave, Model JVM1650WB 003, that was in
the house already when we moved in over a year ago, so I don't know how
old it is. All has been fine until the last week or two, when it will
sometimes make grinding noises and the turntable will stop turning.
Turning off the turntable option stops the noise, of course.

Is there a simple DIY solution to this problem? -- Other than not using
the turntable.

Perce