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Continuity on all channels - why?

1036 Views 9 Replies 3 Participants Last post by  Bbsccr1982
Hello all. I'm new on this forum. I've searched for hours trying to find out a solution and understand my problem. I bought an Onkyo 7.1 receiver, maybe 2 years ago. If that. But I've recently redesigned my living room and have relocated my receiver to another room. I decided to run all new wires, so the wiring is good. But before connecting the receiver, I tested continuity on every new line to make sure I have the wiring correct (Black to black and red to red). I purchased two Tv in wall kits that have plug ins and speaker hook ups and just wanted to confirm that in the process of installing everything, I didn't get nothing wrong.

So as I tested, I knew I had a bad speaker in the past, for one of my ceiling speakers. I've recently replaced it, and after testing it, I find that I have continuity on the "Front Surround" channel. I tested only the black (negative wire and connection) but it seems I have continuity on red or positive channels too. On this "Front Surround" with the black (negative) only being attached and tested for continuity, I'm still getting a signal on every other channel, red and black. Does this mean my receiver or amp has grounded or gone bad? I'm really at a loss, and the way I wrote this may be a bit confusing, so I do apologize.

To sum it all up, I guess one channel, testing continuity on the negative side from the speaker to receiver, is giving me continuity on all the other channels, positive and negative side of the receiver. I went and looked at all more connections to make sure no strayed ends are touching another, and everything is nice and clean. No loose strands touching any connection that it's not supposed to.
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Hello all. I'm new on this forum. I've searched for hours trying to find out a solution and understand my problem. I bought an Onkyo 7.1 receiver, maybe 2 years ago. If that. But I've recently redesigned my living room and have relocated my receiver to another room. I decided to run all new wires, so the wiring is good. But before connecting the receiver, I tested continuity on every new line to make sure I have the wiring correct (Black to black and red to red). I purchased two Tv in wall kits that have plug ins and speaker hook ups and just wanted to confirm that in the process of installing everything, I didn't get nothing wrong.

So as I tested, I knew I had a bad speaker in the past, for one of my ceiling speakers. I've recently replaced it, and after testing it, I find that I have continuity on the "Front Surround" channel. I tested only the black (negative wire and connection) but it seems I have continuity on red or positive channels too. On this "Front Surround" with the black (negative) only being attached and tested for continuity, I'm still getting a signal on every other channel, red and black. Does this mean my receiver or amp has grounded or gone bad? I'm really at a loss, and the way I wrote this may be a bit confusing, so I do apologize.

To sum it all up, I guess one channel, testing continuity on the negative side from the speaker to receiver, is giving me continuity on all the other channels, positive and negative side of the receiver. I went and looked at all more connections to make sure no strayed ends are touching another, and everything is nice and clean. No loose strands touching any connection that it's not supposed to.
It's unclear to me what you're testing. Are you testing the wires alone? Wires hooked up to both speakers and amp? Wires hooked up only to one side? Which?

I'd test only the wires alone first. The posts at the amp may make your meter beep. (By the way, your meter may beep even if there's some resistance).
It's unclear to me what you're testing. Are you testing the wires alone? Wires hooked up to both speakers and amp? Wires hooked up only to one side? Which?

I'd test only the wires alone first. The posts at the amp may make your meter beep. (By the way, your meter may beep even if there's some resistance).
I have ran a separate wire, and only stripped one side of the wire and connected it to the negative of the speaker. Then ran it to the receiver and tested the negative post at the amp. To make sure I have not crossed my wires at any 4 of the new connections, of running new wiring. While testing, I found that with one speaker, I can touch any of the 7.1 channel posts (negative and positive) at the receiver, and get my meter to beep.

The other speakers did not do this. I only got a beep when touching negative post at the receiver and the negative wire ran from the speaker. If I touched the positive side at any of the other speaker tests, I received no beeps.
I have ran a separate wire, and only stripped one side of the wire and connected it to the negative of the speaker. Then ran it to the receiver and tested the negative post at the amp. To make sure I have not crossed my wires at any 4 of the new connections, of running new wiring. While testing, I found that with one speaker, I can touch any of the 7.1 channel posts (negative and positive) at the receiver, and get my meter to beep.

The other speakers did not do this. I only got a beep when touching negative post at the receiver and the negative wire ran from the speaker. If I touched the positive side at any of the other speaker tests, I received no beeps.
It's still not clear what you're saying. The way you describe it is you have an amp and 1 speaker only and no wires attached at all except 1 negative wire from the 1 - post on the speaker to the negative post on one of the terminals on the amp. Is this true? The you test continuity between all the binding posts on the back of the receiver and find that everything beeps, is this true? Then you start talking about "the other speakers did not do this". What is this? What other speakers? We were just talking about the amp not speakers. Again, be very specific with what you have, what is wired, etc.

Also, on amps, the - post is usually just connected to chassis ground. So all negative posts will be part of the same circuit. The + post will be each its own unique circuit, however, there may not be very much resistance between each post and the group so a meter on continuity (beep) mode may beep no matter what. I'd put it on ohms mode and measure the resistance. It should be non-zero.
It's still not clear what you're saying. The way you describe it is you have an amp and 1 speaker only and no wires attached at all except 1 negative wire from the 1 - post on the speaker to the negative post on one of the terminals on the amp. Is this true? The you test continuity between all the binding posts on the back of the receiver and find that everything beeps, is this true? Then you start talking about "the other speakers did not do this". What is this? What other speakers? We were just talking about the amp not speakers. Again, be very specific with what you have, what is wired, etc.

Also, on amps, the - post is usually just connected to chassis ground. So all negative posts will be part of the same circuit. The + post will be each its own unique circuit, however, there may not be very much resistance between each post and the group so a meter on continuity (beep) mode may beep no matter what. I'd put it on ohms mode and measure the resistance. It should be non-zero.
The first two questions you asked, answer is yes.

What I was saying about the other speakers, is when I tested them the same way I'm doing this last channel, is my meter did not beep when testing continuity across any other post, at the receiver.

This particular channel is acting different than all the others. I can literally touch any post on the back of the receiver, (of the 7.1 posts, both negative and positive) and my meter will beep, while only having a wire ran from the negative post at the speaker, on this particular channel. I will test for ohms, and see what I come up with and repost here in a few hours. Hope I've clarified this enough, to have a better understanding. Thanks for your time.
The first two questions you asked, answer is yes.

What I was saying about the other speakers, is when I tested them the same way I'm doing this last channel, is my meter did not beep when testing continuity across any other post, at the receiver.

This particular channel is acting different than all the others. I can literally touch any post on the back of the receiver, (of the 7.1 posts, both negative and positive) and my meter will beep, while only having a wire ran from the negative post at the speaker, on this particular channel. I will test for ohms, and see what I come up with and repost here in a few hours. Hope I've clarified this enough, to have a better understanding. Thanks for your time.
Running just one wire, the negative only, will have no impact on the AVR - well except that it is basically connecting the channel ground to the speaker ground. But even that is not completing any form of circuit so it should really be no different than if you don't have that one wire run at all.
The first two questions you asked, answer is yes.

What I was saying about the other speakers, is when I tested them the same way I'm doing this last channel, is my meter did not beep when testing continuity across any other post, at the receiver.

This particular channel is acting different than all the others. I can literally touch any post on the back of the receiver, (of the 7.1 posts, both negative and positive) and my meter will beep, while only having a wire ran from the negative post at the speaker, on this particular channel. I will test for ohms, and see what I come up with and repost here in a few hours. Hope I've clarified this enough, to have a better understanding. Thanks for your time.
FYI, I just tested with my meter on continuity mode the binding posts on the back of my Anthem MRX720. I have no speakers hooked up at all. Every post beeps "short" with every other post. So this is mostly normal. There's some resistance its just small and enough to trigger the ohm meter in continuity mode. I would not consider this a way to test for anything.
I'm not sure what you're saying either, but note that all of the black wires have a common ground at the receiver/amp.
FYI, I just tested with my meter on continuity mode the binding posts on the back of my Anthem MRX720. I have no speakers hooked up at all. Every post beeps "short" with every other post. So this is mostly normal. There's some resistance its just small and enough to trigger the ohm meter in continuity mode. I would not consider this a way to test for anything.
I tested it once again and found this true as well. Speakers hooked up or not. I thought that if the meter beeped, it meant that something was wrong or touching and was alerting me to an issue. Seems not, I suppose. Thanks for testing and confirming.
I tested my speakers and found most of them were ranging in the negative. Example, -0.02 at 200 ohms, or so. 2 channels were positive so I'm assuming I have two wired incorrectly. My last channel, the surround back left channel did have a reading of 14.7, while the system was off. That's way higher than all my other readings. This means the speaker is blown, correct?
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