I have swapped speakers swapped wiring , sound out of speaker is very low and distorted at high volume ,it came back to normal for about 1hr and then failed again. Unit is 4 days old Onkyo-SR606 very angry and disappointed from a expensive item.
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What exactly do you mean by "middle volume settings"? Where is the volume control physically, where are the channel levels set and what is the crossover point? After the crackling appears , do you switch speakers to the right channel to see if speakers are actually damaged or if the receiver is producing the distortion?
I've tried using the balance for left and right speakers, and when the receiver is acting up with the right speaker having a low volume, I tried moving the balance all the way over to the right speaker. The right speaker volume will not increase in volume but the left speaker will decrease in volume.
Just to clarify, the center and the rear speakers are balanced. The issue only happens sometimes when I first power on the receiver I will have no center channel. If I leave everything alone for a few mins, the center channel will come on.
So it seems to me that something one the receiver is going. The question is, can anyone suggest a physical repair for the receiver for these symptoms?
If you have checked the speakers and wiring, the right channel has a audio driver or output problem, which explains the low volume, static, and distortion. A service technician will be required to fix the receiver so it will balance the left side.
Try swapping the connectors for front-left and front-right (just swap right at the back of the amp)
After the swap, does the front-left speaker work, and now the front-right is dead? If so, then it's a problem in the amp. If not, then the problem is in the wiring and/or the front-left speaker itself.
Post back here with your findings, and we'll troubleshoot whichever part of the system is broken.
if front left is working it is possible u have a dry solder on ur right channel line. try resoldering or if u want to know exactly where dry solder is, shake gently every right channel components and connections. if resoldering does not work it is possible u have a faulty ouput amp for ur right channel. if ur not sure about this i suggest u get it checked by a qualified tech.
Possibly one of the power transisitors has gone out. They are typically used in pairs, and if one went out, this is likely what you would experience.
Open the unit and look for the power transistors. The have 3 leads and should be connected directly to a heat sync. If one burnt out, it will likely be obvious by just looking at it. Power transistors are cheap (>$10) and there are many online sources to by them from. With a litle soldering skill, shouldn't be too bad.
very basically try swapping over the speaker cables, if this doesnt work i suspect you are in need of a new ouput i.c. these can go if the speaker wires are touched together, unless there is a protection circuit.
I had the exact same problem. In order to "almost" balance the center with the other channels I had to give the center +12db gain and the other channels -12db. So after I got that far with level calibration I tried some tv sound, well the center although was playing sounded like the highs were missing and a bit distorted. This is the good part, I turned the volume all the way up real fast, somewhere near max something fixed itself, the center became very loud. Now it works just like new. Hope this helps. BTW, the problem existed the same for sub channel, so when the center started working so did the sub.