Press power button amp. 60-65
When,
Put dc supply dc jack light glow
Means - vin is 🆗
Ldo is 🆗
70-80% bios 🆗
When checked this board I found it
3v is okk
But ,
5v is not ok (show-4.35v)
Then,
Change this regulator IC
And prblm solved
5v comes perfectly
My board turn on & give display
This very common prblm in this board
