Question about Sony STR-DE595 5-Channel Amplifier
I have had several of the problems that you posted about. The amp has worked for years until the other day when I tried to turn it on and the power went out. I have replaced the fuse with three new ones and each time it keeps blowing instanly. I don't know what else to do about it. Thanks for all the help that I have read already.
This often indicates either a power supply problem or shorted output transistors. In either case, the unit will require replacement parts. If you have a multi-meter that can check diodes, check the rectifier diodes or bridge rectifier in the power supply first. If those are OK, next check the output transistors. If you don't have access to the meter, expect a parts cost in the $15-$25 range plus the local labor rate for the repair. This should not be a difficult repair for any shop that does audio repair.
Posted on Nov 12, 2008
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