Hmmmm, anyone knowing what they are doing can look inside and "there's the output devices, solder output jacks on there". Easy peasy job for a tech. He can give it a test safely, without costing much. Odds are it's fubar anyway.
Team Trace Elliot #1, Mediocre Bassist #399, Old Basstard #86 Kala U-Bass #22
Swamp Kauri custom 5str. Stagg EUB. Krappy 5er FL.