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Close-up views of the same portion of the PCB for 3 different
IDM models to show the differences.
IDM 100A top
IDM 100A bottom. Note that the left side of the bottom
picture corresponds to the right side of the top picture.
IDM 100 top
IDM 100 bottom
IDM 120 top. The round blue components are capacitors with
hot melt glue on them to help secure them against vibration.
Square yellow components are also capacitors. The square black
component partially covered by glue is the 5 volt regulator for
the IC's (Integrated Circuits). Note the clear plastic coating
covering everything. We tried half a dozen industrial strength
solvents, but didn't find anything that would dissolve it,
although brake cleaner did soften it slightly, so we had to
scrape it all off by hand before desoldering the components.
IDM 120 top after desoldering the IC's
IDM 120 bottom.
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