I can't get any sound through the left rear channel of my STR-DE525. I get sound through all other channels, front, center and right rear. The internal fuses are all OK. All other functions work. Do you think replacing the small logic board for the rear and center speakers will solve the problem? Thanks for your help
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Re: Sony STR-DE525 Left Rear channel not working
Most likely the amp for that channel is defective. If memory serves me correctly, there is a small amp chip mounted on the heatsink that is for both the left and right rear. I would change that first. It should have about 5-7 pins.
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check to see that the dvd player sound setting is set to BITSTREAM and not pcm. pcm is only 2 channel. Then check to see that the volume setting for the rear speakers in dvd is up, most sony receivers hold different settings for different applications, (vid 1, sat/tv, dvd) and remember when you switch between them. Rear surround should be up all the way , I believe for your receiver that is +10 also make sure you enable the rear speakers in the setup menu for surround sound.
the reciever you have is a dolby prolodgic system. the rear channel is monoral, that is that both rear speackers have the same infomation to it (and not much of it). the new suround sound systems are dolby digital/DTS suround sound. there is a major differance to the sound and the information presented. all channels are discreat and information provided by you digital outputs of your equipment provide the channel info (tv via optical digital out, DVD also optial or coaxal digital out, cable box also optical.)
Probably Broken solder connections in unit. I have seen these units have many poor broken connections throughout amp espcially around poweramp ic .IC701
I have a service manual if you are interested in it [email protected]