Question about NAD T753 Receiver
My NAD T753 has the same problem you described in your post. It does not respond to the remote. The DVD player does respond. I reset both the receiver and remote.
I was checking if you ever solved the problem and how. I've tried the local NAD dealer in DC and that was a disaster, so I'm looking at whether I might be able to fix it myself.
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Posted on Jan 02, 2017
I have had the T743 for about three years now. The first unit which I got from the local shop was doing exactily like your described after couple of minutes use. Well, I took is back and got a new one covered by the warranty.
Unfortunately I never got any explanation to this problem from my local shop or anywhere else, so I guess the only way is to contact your local shop.
Posted on Dec 30, 2007
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
ALso do the same thing, but also cuts out my left rear speaker. This will make a dull hiss sound during use.
If I disconnect this speaker it works for a while.
It all started with my sub shorting out it's fuse, I had it repaired four times already and is costing me more than the system. I changed all my speakers and is costing me another R 12 000-00, problm still the same.
P.S. I had my amp taken to the specialists too, but they couldn't find any fault. If i touch the side of the amp I can feel a tingling on my skin, like getting an electric shock.....
Can this also be a ground loop / earth problem?
Posted on Jun 01, 2010
Not sure what this cable is for but YOU should be able to follow it to the component at the other end and determine its fucntion.
Here's the manual. Page 12 shows the rear.
Posted on Jun 09, 2010
Hi! In my T753 is simmilar situation: the alpituner won't turn on - only orange LED is lighting. One of the two ALi's microprocessors (the directly soldered one) is dead. Anyone have it or know who could have it got?
Posted on Mar 15, 2011
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