Question about Pioneer Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: Losing sound in certain modes
I get the same problem with my Nakamichi, but it never bothered me much, since i can't notice any quality drop, besides, its only radio. I remember it happens only on certain stations though, which leads me to believe it might have to do with the broadcast itself which oscillates and varies in amplification from station to station, and is affected by weather and geography. If it really botheres you, try getting extra juice amp for your tuner from some specialy electronic store. Good luck
Posted on Mar 26, 2006
SOURCE: Onkyo receiver TX-DS696
If you get sound on direct mode say from dvd but no sound when you go to dolby make sure you have the right input selected by pressing the digitat input button on the front of the amp,ie if dvd optical out is pluged into amp optical input 1 select this on amp then set audio to prologic2.DVDs through this input will decode to dolby digital/dts.
hope this helps.
Posted on Jun 29, 2008
If I remember this model correctly, there is only 1 direct input. The remainder of the inputs are bufferred through a switching IC. It is likely that this IC is defective. Are there any other symptoms at all?
Posted on Mar 13, 2009
SOURCE: I have an Arcam AVR250
Sometimes it happens. ( age ) or possibly cold solder
joint or mis communication on the Digital Controller
and DSP Unit.
• One way to check is to verify each input if it can pass
output ( line Out ) signals.( at the back of the unit )
• If it does then you just have eliminated a large percentage
on electronic circuits troubleshooting.
• There are more details or info starting
on page E 25 of the manual
[PDF] Download the owners manual - Arcam AVR250 surround sound receiver
have a recheck and triple check on the settings.
But if you need a thorough investigation on the DSP
circuits , it might need a service manual
only with a fee.
And be the last resort as to confirmed if it is really the DSP.
• You can use an external amplifier or a signal tracer when
probing signal outputs on the receiver.
• Here is a link for sample troubleshooting :
a ) Start with the input , then to the op-amp IC. b ) check your cable like those above for co
these unit is just a guide, not the same as yours , but the
process o f troubleshooting and principle is the same.
Only if you feel to DIY.
Posted on Aug 27, 2010
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