Anyone familiar with MRC AH900 controllers? MRC dont repair these anymore. Tryed to find a schematic to no avail. Friend has a couple of these he wants to repair. How would you troubleshoot these without a schematic? thanks
bob
Original Post
If this is the item in question, guys here have repaired similarly "complex" items without schematics.
I suggest your friend take some clear photos of the guts of the controller and describe the symptoms. Also tell us available tools and skill-level/background working with these types of gadgets. Is there a known-good controller to compare to...and a known-good "Dual Power 027" transformer to control?
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