Why my tablet does not give any sound?

Hi, I have been using my slatebook x2 detachable tablet since 2015. Recently, it started to not charge at all, and I changed its charging socket (or jack?) and battery since the old one is nearly dead. The solution was worked, however I realized after a time, I cannot get any sound from the tablet. I plugged headphones, connected bluetooth speakers, used the Soundabout app, and format the device but the result is same. No sound. I wonder is there a sound chip in the motherboard (probably, yes), and I broke it while repairing. If so, how can I fix it?

Thank you.