NAD part needed 7175

Tom7227 · 1st November 2007, 11:43 PM

I am repairing an NAD 7175 reciever.

The Speaker select switch has a bad contact.

It has "A B Off A+B".

The switch is rotational, but has rectangtlar body.

Any idea guys?

Tom

Ty_Bower · 16th November 2007, 07:12 PM

I bought a couple parts to repair my NAD 7175PE more than a few years back. I was able to order them directly from NAD. I'm not sure how I got the number... and unfortunately, I don't seem to have it handy any more.

Do you happen to have the service manual & schematic for your 7175? I've also misplaced mine. That's probably where I scribbled the 800 number for the parts department. Anyway, I'd like to find a scanned copy of the schematic. I'd like to disconnect the main power amp, since I only use the preamp section of it anyway.

Tom7227 · 16th November 2007, 07:28 PM

I do not have a copy of that schematic, but I did talk to NAD, they did not have the selector switchs I was looking for.

The are NLA.

But I found this same amp on Ebay for like $150. It isnt the highest end amp they made I gather...

Tom

Ty_Bower · 26th March 2008, 02:36 AM

I've found my service manual for the 7175PE. Let me know if you need any information from it.

unclejed613 · 2nd April 2008, 02:06 AM

is the switch actually broken? or are the contacts open?

Tom7227 · 2nd April 2008, 01:06 PM

The switch contacts are are open. I took apart the switch and the contacts are burned. Usually because the switch is turned while the sytem is turned up.

I have the switch bypassed.

1st November 2007, 11:43 PM	#1
Tom7227 diyAudio Member Join Date: Dec 2006	NAD part needed 7175 I am repairing an NAD 7175 reciever. The Speaker select switch has a bad contact. It has "A B Off A+B". The switch is rotational, but has rectangtlar body. Any idea guys? Tom

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16th November 2007, 07:12 PM	#2
Ty_Bower diyAudio Member Join Date: Mar 2007	I bought a couple parts to repair my NAD 7175PE more than a few years back. I was able to order them directly from NAD. I'm not sure how I got the number... and unfortunately, I don't seem to have it handy any more. Do you happen to have the service manual & schematic for your 7175? I've also misplaced mine. That's probably where I scribbled the 800 number for the parts department. Anyway, I'd like to find a scanned copy of the schematic. I'd like to disconnect the main power amp, since I only use the preamp section of it anyway.

16th November 2007, 07:28 PM	#3
Tom7227 diyAudio Member Join Date: Dec 2006	I do not have a copy of that schematic, but I did talk to NAD, they did not have the selector switchs I was looking for. The are NLA. But I found this same amp on Ebay for like $150. It isnt the highest end amp they made I gather... Tom

26th March 2008, 02:36 AM	#4
Ty_Bower diyAudio Member Join Date: Mar 2007	I've found my service manual for the 7175PE. Let me know if you need any information from it.

2nd April 2008, 02:06 AM	#5
unclejed613 diyAudio Member Join Date: Dec 2006	is the switch actually broken? or are the contacts open?

2nd April 2008, 01:06 PM	#6
Tom7227 diyAudio Member Join Date: Dec 2006	The switch contacts are are open. I took apart the switch and the contacts are burned. Usually because the switch is turned while the sytem is turned up. I have the switch bypassed.

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