Yamaha Keyboard P-95 sound problem (replaced c217, 216 and 404. Still no sound.)

Have one these in currently replaced c217, 216 and 404. Still no sound. Was reading about some IC that go bad few months back and located them but they were out of stock. Now I can't find any of that info.


Mods Note:
Please don"t hijack other member's thread, this thread was split from the thread below:
https://forum.allaboutcircuits.com/...und-problem-speakers-headphones.140229/page-7