Electronics Repair Questions? Ask an Electronics Technician
Hi, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.
Initially, have you tried the Pioneer with no speaker/wires connected?
And have you tried a RESET of the SC-27?
Consider a RESET. A reset is both a test and a try of a fix. As it implies, a reset would force the unit to revert back to factory defaults removing glitches and config errors but would include memories, presets and user preferences. After a reset, the initial setup would have to be performed. If have not been done and should you venture to try: Please click HERE.
May have to be done a number of times.
This is very critical - a reset however would not be corrective of an internal hardware concern; but it would be confirmed. In some instances, it may even expose/cause other issues.
Then it would appear to be an internal hardware issue.
The above was the safe user's RESET.
There is another; a technician's RESET. This procedure is also an attempt of a fix and a test. However, the test is 2-edge tool. it either identifies the fault and/or it allows the fault to manifest itself (sometimes burning) as the protection circuitry is bypassed.
Would you be comfortable giving the technician's RESET a try?
As posted above, it either fixes or it allows it to burn....or nothing.