Bought a dsp a2 of Ebay. Main speaker outputs not producing any sound. have checked speakers, cables, speaker set up. All other ouputs (front, rear, centre) are functional. Is there any easy solution or have I been taken for a ride??
It could be that the couplers between pre-out & Main-in are missing
On the back panel, to the left of the Main speaker terminals, there is a set of 10 phone terminals with the label 'Coupler / Output' above.
The 4 terminals below the word 'coupler' should be joined together, left to right (or pre-out to main-in) with a small horseshoe coupler which plugs into the phono sockets, effectively joining them together. Without these couplers, your front end main speakers would not work as the amp thinks you are using a power amp to run the main speakers and not this amp.
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Re: yamaha dsp a2
The speakers a and b have a realy inside that baiscly switches them on and off when you press the buttons can you hear the realys click if not then it may be a dry solder joint or you may have to get them replaced
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configure ur PC (both OS audio and third party sound driver) for surround sounds. control panel- sounds and audio devices - speaker settings - advanced - speker settings. so this done. make sure u select the 6 input channel - the button is on the right edge near the volume knob. near the vol button there are two buttons for selecting input type with up down arrow. from that u can select the input type this will be indicated on the top front indicator. but with the 6 input channel selected all selections are preceeded. if u select stereo mode u will have left/ right audio only. make sure u connect the input right. connect from computer to 6 channel input. main, surround, center and sub-woofer. connect the spekers to main (L/R), rear(surround) (L/R), center and sub woofer to terminal marked sub woofer ouput. this done select like i said before the 6 channel button. that should do it.
It is going into protection mode, and shutting itself off. You have a short somewhere. I would suggest taking it to an authorized service center for assistance. This is not easy to diagnose, as it could be anything causing the short.
Try disconnecting everything from the unit, including the speakers, and turning on again. This will just confirm that the problem is the amp, and nothing external. Also, try connecting it to a different power supply/socket.
Bad DSP chip. The only other possibility is if you have the "Direct" on. On the front of the receiver it's a small button. Also make sure your "Speaker Select" A/B is "on" You will see it on the display, it's also a small button on the front of the receiver. If all this is correct and you still have no audio, it's a bad DSP chip. Not worth repair, it's 400-500 repair. Not very common in a Yamaha RX-V series, but I have seen it. I'm a Yamaha Dealer. If you need further help, post a comment and I will be glad to help you further.
Usually the outputs are not fused, but you can go thur speaker white noise test and see if that works first. If it does, then outputs are probably fine, IF not then the output transistors are most likely bad. Let me know and we can try some other things thur live chat if you would like. Good luck Guru Jay