Restoration of the Samsung M197DNR microwave oven. Malfunction: Does not work.
The result of the preliminary inspection: The time is adjusted but does not start. The buttons are not obeying. The paint has peeled off and there are traces of rust in the interior of the furnace.
Discovered: A burnt-out track on the electronic board, stuck contacts of two relays, dried electrolytic capacitors, a drawdown of additional voltage at the supply terminal of the chip.
As a result of the repair, the following were replaced: relays, capacitors, and microcircuits. The spike of the broken track is a jumper. Cleaning the furnace and painting the chamber inside.
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