Question about Pioneer Audio Players & Recorders
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
SOURCE: listening modes not working??
I am a little hesitant to tell you what this is because sometimes people give bad ratings to an expert when they do not get the answer they want to hear. I will take a chance here and assume you are a reasonable person and tell you what the most likely cause is. I have been reparing these type of receivers for as long as they have been making them, and every time I see this particular problem it is always something on the digital board. This is the board the the optical and coax inputs go into on the back. They also run all the audio thru this board, and when you only get the audio that you have, a problem is going to be found there. There is some good news and some bad news that goes with this, first the good news. Many times (about half), the digital board only needs to have some of the solder reflowed on a few of the IC's and it will return to normal operation. If this is the problem your repair should only cost from $90 to $150 depending on the rates of the shop. Now the bad news, if the board has a couple of bad compnents on it, it will need to be replaced. The reason that is bad news, is because those boards are very expensive, usually over $250 just for the board, if the board is even available. Many of these receivers you can not get the digital board for them. Most all of audio equipment is component level repair and there are not many technicians who can troubleshoot these boards, they are a very difficult task.
I hope this free information was helpful, and if so a "FixYa!" would be the appropriate rating. You do not need to have your receiver fixed in order to give a good rating, only that you are given the correct information.
Let me know if I can be of any more help to you, good luck with your Onkyo.
Posted on Nov 10, 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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