Question about Pioneer VSX-C300 Receiver
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Posted on Jan 02, 2017
I have the exact same amplifier with what sounds like the exact same problem. I opened up the amplifier, and while it was powered on started tapping around until I heard the popping and crackling suddenly increase. I was using a piece of wood and the plastic part of a screw driver for this. The popping and crackling suddenly burst out onto all channels when I was tapping on the DSP board (encased in a metal enclosure to the very right of the amplifier).
I took off the metal enclosure (with the receiver turned off, of course :), and with the receiver on, and started tapping around the DSP board, and I found that the biggest crackling effect was achieved when I tapped on the Cirrus Logic CS493292-CL chip which does all the decoding and switching.
I detached and took out the DSP board and looked at it very carefully but of course couldn't find any bad connections. I tried resoldering all the feet of the Cirrus Logic chip and many many components all around to no avail.
Finally I tried applying pressure to the chip while the popping was going on, and it stopped. Further investigation revealed that bending the board around the chip produced the same effect.
For the life of me I couldn't figure out why bending the board eliminates the problem, but my solution was to put a piece of eraser wrapped in masking tape and taped to the Cirrus Logic chip, and two other pieces on the back of the board in such a way that when the metal enclosure was replaced onto the board, it put gentle but firm pressure onto the Cirrus Logic chip and at the same time bent the DSP board slightly.
It's been a few days without popping, clicking or static, but time will tell. Good luck!
Posted on Feb 05, 2009
It should be compatible with all of them. I have one that works just fine with my Sony HD/TV, HD DVD PLAYER, etc. The only difference is that its is stereo w/ a middle speaker hook up, if you so desire.
I find it just as enjoyable and easy to use as my Denon 6.1 with fewer speakers. That is because as men, our hearing range is poorer especially as we grow older.
Email me with any other concerns you may have.
Posted on Feb 07, 2009
Possible solution: You set up your remote to run your amp from the TV control, using the AQUOS Link. Even though your amp is out of the loop, it's still recognized by the TV. You might have to reset the TV back to default and run the AQUOS Link again.
Posted on May 20, 2009
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