Question about Sony STR-DE545 Receiver
My Sony STR-DE545 receiver's right channel, both front and back, A and B, started outputting audio @ less then half of what the left channel does. Does anyone have any idea on what could be causing this?
Try lightly tapping on chassis to see if you can get audio to cut on or off with vibration if you can most likely cause is bad solder connections. This unit is well known for poor solder connections especially around poweramp driver IC's IC701, IC501. Also Electrolytic Capacitors in unit have fluid in them and heat Evaporates the fluid causing them to not operate properly over time . Caps that usually go bad are around parts that run hot like Power amp drivers
Just a couple likely suspects.
Try unplugging overnight to give unit a Good Reset also double check all setup settings.
If you need service manual I may be able to get you one
Posted on Jan 20, 2008
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Posted on Jan 02, 2017
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