Lost volume on my Home iBT30, how to fix it?

Took it apart and saw 2 capacitors leaked. Replaced them with the same 50w 5.6uF but smaller in size that Mouser said would work. Still no volume, sound very faint. don’t see any other visible signs of any part failing. controls on top work, connection to iPhone works, charging works. Don’t have anything other than a soldering gun at my disposal so I cannot test any other attached parts. Has anyone worked on these and had the same issue? I can solder and de-solder like a champ.