Repair Mackie TH12A No Power

Repairing this Mackie TH-12A that had no power due to a faulty transistor U1620G

[@eddyveliz7005]

Hello my speaker led red and green it’s blinking what could be the problem please help me thanks

[@rushduar8161]

Punya saya mackie thump 12A
Clip terus. Kanapa ya..?
Padahal volume blm maximal

[@dickfrenulum1630]

It's not a transistor, it's a Schottky diode. I had exactly the same issue. This seems to be a very common with this amp/speaker.

[@mousa65]

ok thanks for that information, well in this case that voltage regulator transistor was the problem for this speaker