Question about Sony STR-DE597 Receiver
It sounds like the switch might be OK mechanically but not electrically. Have a look to see if you can check the connections on the switch. Perhaps there is a broken or loose or bad solder joint.
Posted on Oct 30, 2009
Inside the Receiver there are electronic components mounted on the aluminum
heatsink ( Audio Output Power Transistors )
it may looks like these :
MN2488 ( Q753 )
and usually paired with MP1620 ( Q754 )
You may have to check on those two pairs of power transistors
and replace in pairs.
( which means if any of the two is bad , have them both replaced )
Check also the audio signal on the right channel input , if it
is on the same level of those of the left channel.
These components are available at:
Posted on Feb 22, 2011
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