Author Message
techboy1000
PostPosted: Thu Sep 09, 2010 4:32 pm    Post subject:

Thanks. I'll try that and get back to you with my findings.
jts1957
PostPosted: Thu Sep 09, 2010 2:35 pm    Post subject:

Check for a DC voltage on any of the four contact terminals {~} (NOT coil of relay terminals{.}). Anything more than a volt, you have a problem with that channel.
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techboy1000
PostPosted: Thu Sep 09, 2010 7:06 am    Post subject:

jts1957 wrote:
Either the speaker relay drive circuitry has a fault or the speaker relay is doing one of its jobs and NOT letting the speakers connect because a speaker would have a DC voltage applied to it due to a defective left (or right) channel fault.


How would I go about checking that?
jts1957
PostPosted: Wed Sep 08, 2010 11:16 pm    Post subject:

Either the speaker relay drive circuitry has a fault or the speaker relay is doing one of its jobs and NOT letting the speakers connect because a speaker would have a DC voltage applied to it due to a defective left (or right) channel fault.
techboy1000
PostPosted: Wed Sep 08, 2010 6:27 pm    Post subject: Pioneer VSX-D1S problem

I have an old Pioneer VSX-D1S A/V Receiver which I love, but one day the speaker relays that disconnect the speakers at power-up refused to reconnect.

This is so frustrating because otherwise the unit works perfectly, but without sound it's useless. Could someone point me in the right direction for where to look inside the receiver? I think I know which relay is not working, but I'm not sure if it's the relay or other circuitry controlling it. It's also almost impossible to get at.

I have the service manual for it but I would need a plotter to print it out.

Any help would be much appreciated.

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