20 Most Recent NAD C325BEE Amplifier - Page 9 Questions & Answers

This is not a problem but may be due to the surge current that occurs due to the charging of the power supply Filter capacitors. This might be made less with some silicone sealant. Best to have a Technician look at it as it could also mean a too high of current draw due to aged and defective Chinese Capacitors- yes the have infiltrated this business too and are the result of many a failures including flat panel display TV's and computer monitors.

These depends on the model of your CD player, use the correspondingRCA plug or a 3.5mm plug for portable CD player to the Tape Inputof your NAD 3150

Bridge connectionsUsing 2150 as a slave

Connect Denon Pre-out to NAD 3150 Aux, or Tape In, but not phono input

how to troubleshoot nad 716 power always off• need to open the unit• get a multimeter and measure the DC voltages present on each of the amplifier output stage.• it should be no more than 0.7 V, if it s, remove those pair of powertransistors and test again for output voltages. the negative probeof the multimeter to the chassis of the unit.• if the shuts down problem goes out, assume one of the extracted pair is bad.you can test it individually since it is already outside the circuit.Let me know how you make out with the inspection. It is a good chance you will find something. hope this helps, thanks for using Fixya!

Needs 2 new bulbs. Very common on older NAD players.If you look very closely you'll see the display is infact workingbut just not lighting up hence the need for new bulbs.

Can the best solution poster send me a DIY instructable at:[email protected]!

Replace the remote.

The selector chip is not working, either there is no B+ to the ic or the chip has malfunctioned or one of the surrounding components dead, for this type of problem a schematic will be needed to track the problem. try www.nad.com contact customer support and the technical department for additional help.

HelloDisconnect all speakers and switch ON the set without any input connected, and see whether it heats up. A moderate heat is permissable, but should not over heat. If it overheats without any load or input connected, the set need service. OK.

You either have a shorted speaker voice coil or you have a shorted output circuit in the main amp.