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Keneye
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Post subject: Pioneer SX-626 SS needs warm up???  Posted: Mar Wed 27, 2019 9:17 pm |
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Joined: Feb Sun 01, 2015 1:03 am
Posts: 568
Location: York, PA
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I have a Pioneer SX 626 receiver. When I turn it on it takes a few seconds to play; yet it is solid state. Bad power caps?
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Keneye
York, PA
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cl350rr
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Wed 27, 2019 10:17 pm |
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Joined: Oct Sat 15, 2011 12:19 am
Posts: 2404
Location: 23452
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tbone8
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Wed 27, 2019 10:32 pm |
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Joined: Dec Wed 23, 2015 3:03 am
Posts: 1281
Location: Northwest Indiana 46350
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No relay in that model. I would start by checking the power supply voltages, could be a bad cap there?
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"It's amazing what you can accomplish when you throw safety out the window", Brent Butt
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Keneye
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Wed 27, 2019 11:45 pm |
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Joined: Feb Sun 01, 2015 1:03 am
Posts: 568
Location: York, PA
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No relay I can see. Will test power caps. In is in the que of future projects.
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Keneye
York, PA
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Vin Tageman
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Thu 28, 2019 5:39 am |
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Joined: Aug Fri 12, 2016 1:49 am
Posts: 1711
Location: Houston area, TX
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With volume at mid range, does the audio come on slowly and distorted (crackly, buzzing, sizzling, etc.), or does it come on abruptly with no distortion?
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Keneye
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Thu 28, 2019 12:44 pm |
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Joined: Feb Sun 01, 2015 1:03 am
Posts: 568
Location: York, PA
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Comes on with perfect sound! Just that momentary delay like you get on a tube amp warming up. That is why it confused me. A SS receiver does not typically warm up!
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Keneye
York, PA
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Dave Doughty
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Thu 28, 2019 3:12 pm |
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 18180
Location: Utica, NY 13502 (USA)
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A slight delay in non-relay protected, solid state amps is not uncommon. Large-value power supply filter caps used in solid state amps cannot be expected to charge up instantly. I would say your receiver is operating normally.
Dave
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Vin Tageman
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Thu 28, 2019 5:26 pm |
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Joined: Aug Fri 12, 2016 1:49 am
Posts: 1711
Location: Houston area, TX
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Keneye wrote: Comes on with perfect sound! Just that momentary delay like you get on a tube amp warming up. That is why it confused me. A SS receiver does not typically warm up! Is this a new unit to you? Has it done this as long as you've owned it or is this a new symptom? Obviously, if a new symptom, then something's not right. If it's always done it, then it's by design.
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Dave Doughty
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Thu 28, 2019 9:28 pm |
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 18180
Location: Utica, NY 13502 (USA)
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How long is "momentary"? Most tube amps take 15 - 20 seconds to warm up. Some are much longer if the preamp tube filaments are powered by the output tubes' cathode voltage.
Dave
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egg
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Thu 28, 2019 10:37 pm |
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Joined: Jan Tue 31, 2012 1:55 am
Posts: 15318
Location: Mountains of Mourne. Ireland.
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rocketeer
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Thu 28, 2019 11:45 pm |
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Joined: Mar Tue 30, 2010 2:24 am
Posts: 8930
Location: Lehighton, PA.
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It's operating normally. Don't look for trouble where there isn't any.
Larry
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kb3wbb
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Keneye
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Post subject: Re: Pioneer SX-626 SS needs warm up??? Posted: Mar Fri 29, 2019 12:50 am |
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Joined: Feb Sun 01, 2015 1:03 am
Posts: 568
Location: York, PA
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Larry, are we taling receivers or marriage?
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Keneye
York, PA
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