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Hi MIKE,
Its not allways a catastrophic failure.In fact most often
after a blackout,the Startup capacitors,in the power supply,go cold,and will not start the internal supply back up again.
Most remote powered equipement,is left on all the time,at the wall socket.(if not,then how does the remote work)
This allows the remote control to power the equipement on/off when WE desire.
As a result the capacitors in the power supply,stay WARM,and show no symptoms of ageing,UNTIL we lose all power for some time,then they get cold,and develop a case of ESR(effective series resistance),and refuse to work.
Bottom Line,Not Allways,but USUALLY,no great harm.
If your Tech is Honest,it should not cost a fortune.
Regards.
John
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