Help code ic driver board

[Henserv]

Hi all brother i'm from jkt indonesia, nice to meet all brother, and specialy for you perry 😊
I have problem with code ic u1, u2, u3, from driver board china monoblok 1700watt, please help me🙏
And i'm sorry my english very bad.. 🙏😁

 

[Henserv]

Hi all brother i'm from jkt indonesia, nice to meet all brother, and specialy for you perry 😊
I have problem with code ic u1, u2, u3, from driver board china monoblok 1700watt, please help me🙏
And i'm sorry my english very bad.. 🙏😁

 

[caraudioguy2100]

If you need to know the name art numbers they are

U1:LM293
U2:TLO72
U3:LM211

 

[Perry Babin]

Why was there a question as to the part numbers?

 

[Henserv]

Thank caraudioguy2100��
Perry,, Ic was i replace but with wrong number, before replace ic amplifier while power up only no sound at output, but after replace ic, mosfet final burnt.. ������

 

[Henserv]

Brother perry i want to follow repair tutorial, next i'm send email to you..

 

[Perry Babin]

When possible, test all drive signals before you install the FETs.

 

[Henserv]

Ok brother next i check after replace ic, ic ordering from the online mouser singapore.