Looking closely you can see areas of the circuit board where heat is dissipated and has caused discolouration. Unfortunately this heat has a habit of killing the only just within spec components placed in the same area!  | Replacing the heat affected components with higher temp and higher voltage rated parts should extend the life to a further 4-5 years. 2-3 Years longer than a brand new unit and all for less than half the cost of a brand new unit.
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