Onkyo TX-SR504 no sounds from pre out/subwoofer

[tech2014]

There is no sound coming from the pre out. I get sound on all the speakers, but nothing from the pre out. I don't do audio very often so could really use the help from someone who knows audio well.

What I want to know is where can I check to trace the pre out audio signal. Are there connectors I can check to trace the signal path?

See service manual below.

[budm]

Re: Onkyo TX-SR504 no sounds from pre out/subwoofer

Are you talking about SW out jack as shown in page one which is fed by Q5630A?

[R_J]

Re: Onkyo TX-SR504 no sounds from pre out/subwoofer

If you look up this model, it only has a Pre out sub woofer which can be switched on and off in the menu

[tech2014]

Re: Onkyo TX-SR504 no sounds from pre out/subwoofer

thanks RJ. I will check, maybe he accidentally switched it off in the menu lol. I see your from Sask too, where abouts? i'm in Moose Jaw.

[tech2014]

Re: Onkyo TX-SR504 no sounds from pre out/subwoofer

So I tested for audio output with my scope and got audio coming out of the pre out rca jack. I had the customer bring his subwoofer in and we hooked it up. Still no sound. Found that he had the sub switch set on the off position lol. Switched it on and it worked fine.