Removing the Muting Transistors of Sony CDP-690

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They will be like this on the output of the final opamp and probably surface mounted too... this is from a Mini Disc recorder... but the set up will be similar.
Sometimes (occasionally) there are two transistors with a resistor inbetween to give a higher level of muting...
Just remove them... personally I don't believe it will make an audible difference... although many disagree 🙂 You might "think" it does but "has" it. Probably much better to fit higher quality opamps (depending on whats fitted)
 

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