Question about Audio Players & Recorders
I have a Realistic STA-2270 AM/FM Stereo Receiver. The data sheet did not survive a move. Where can I get one?
Posted by Anonymous on
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Posted on Jan 02, 2017
Check for 19 Kz on stero decoder that requires calibration adjustment.
Instrument you need:
Occiloscope or frequezy counter and adj driver .
Posted on Jul 28, 2009
I have the same receiver, but have been unable to program it with my Universal Code. I do not have the original remote. Did you find a code that controlled it? I found one website that had the owners manual online, maybe that would help: http://support.radioshack.com/support_audio/doc58/58124.htm
Posted on May 20, 2010
i have a kenwood kr-a4010 it works no sound in speakers
Posted on Jun 02, 2010
If the receiver is a new one (a couple of years) I suggest you don't replace the balance potentiometer. It's a potentiometer with rare use so the inner carbon film can't be destroyed. I suggest you to open the case and use a contact cleaner spray (clear, without oil) and spray direct at the potentiometer. Turn it all the way from left to right many times. When it will come dry you will see the diference. As far as the suggestion for clear (without oil) contact cleaner spray, I insist on that because the lubricating oil will cause a trap for the dust and will ask for cleaning again and again. Also for potentiometers with rare use there is no need for lubricating oil.
I think that this solution is much easier than chanching a potentiometer, since the device is not too old.
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Posted on Aug 30, 2010
The protection circuit in your receiver can be tripped by reversing the wires of the speakers, or also by making the wires to the speakers too long. If you are using regular speaker wire, it won't take much of it to raise the resistance to the point of tripping the circuit. However, if you are using premium wire there shouldn't be a problem. The next thing to check would be the polarity of the speakers. Make sure that you are using the same wires for the "-" and "+" sides of the speaker connections. If all of the connections to the speakers are correct the next thing to try is to disconnect the speakers from the receiver and then turn the unit on. If the protection circuit doesn't kick in then the speakers are the problem. If the protection circuit does still kick in then you either have a short, or something is overheating. At this point, unless you have the experience, tools, and the service manual, it would be time to take the receiver in to an Onkyo repair center in your area.
If you do have the tools and experience you can download a copy of the service manual from the following link:
The file is in the pdf format. If you don't already have the Adobe Free Reader you can download it from this website:
Just click on the orange box that has the word DOWNLOAD in it. If you save the file to your Desktop all you have to do is double-click the icon that it creates and the reader will install itself. You can then double-click the file for your manual and it will automatically load the reader and display itself in the reader.
Posted on Mar 19, 2011
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