Question about NAD T752 Receiver
I would suspect a missing supply or speaker protect relay shorted? or staying closed too long. I'm not familiar with this model but a common failure is bad connections. Inspect all heat sinked parts and small value resisters used as fuses. Look for cracked solder joints on all parts, tighten pcb grounding screws. Memory is most likely powered by a high value cap or stack cap that maybe bad. Or the diode used to charge during usage maybe leaky , other part in ckt leaky, or the memory device itself is drawing excessive current off the memory cap. I have seen small 0.1uf disk caps turn into 1k resistors.
Posted on Nov 05, 2007
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