Question about NAD T773 6.1 Channels Receiver
I rarely use my T773, I have it set up in the basement, where I found the humidity is around 70% in the summer. I have power surge protected, one day it just not power up, I unplug for a week then plugged back again, the standby mode light is on for a few second, and won't come back again.
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Posted on Jan 02, 2017
SOURCE: NAD T773 Shuts Down in 1-5 secs
Your problem is a common symptom of loose connection or cold solder and cleaning problem this is the main caused of no sound or automatic shut off for how many seconds..Cold solder issues - each component is soldered into small holes on the printed circuit board which in turn connects said component to the other components. Due to time, heat, use, some solder joints would be cracked or loose. It is possible that the cold solder is still minimally connected (hanging by a thread). When the receiver turns on heat would be generated which would be sufficient to further loosen up the solder joint to the point it no longer provides electrical contact. Jarring the unit creates movement inside enough to re establish the contact, sometime good enough sometimes not enough. Again, since the unit still operates (sometimes) then it is highly probable that there are no defective components. As you have surmised, it is possibly a loose connection, solder joints are "connections" except that molten soldering lead is used to attach/connect the component to the board, "loose connection" in this sense is equal to "cold solder". Again on the assumption of no defective parts, then seeking a more experienced buddy for the soldering might be to your advantage. This is of course in addition to the possible electrical hazards when repairing.... Good luck: Regards, VOTIT
Posted on Jun 08, 2009
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