Maker Pro
Maker Pro

LCD power supply board

Hi, I need some help please. I don´t understand where is the overvoltage protection? Between Point 1 and 2 or where? From LCD power supply board´s circuit diagram :( Thanks a lot.
IMG_20170408_202621738.jpg IMG_20170408_202655151.jpg
 

CDRIVE

Hauling 10' pipe on a Trek Shift3
The schematics you posted are only partial. So from what you posted I would venture a wild guess and say those Zener Diodes.

Chris
 
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