Gigabyte GA-B150M-EVO no memory power supply repair

Gigabyte GA-B150M-EVO has no memory power supply. It is normal to replace a resistor.

Machine model: Gigabyte GA-B150M-EVO

Symptom: No memory power supply

Maintenance process: GA-B150M-EVO has no memory power supply.

Gigabyte GA-B150M-EVO no memory power supply repair Figure 1.

Shangxin Smart Manufacturing opened the drawing and found that MAU2 had no opening voltage. The voltage came from MAU3. The opening voltage of the chip was only 0.7 low. VPP25_ EN is controlled by MAQ7. The tube G is extremely low, and the D pole is connected to 5VDUAL through an 8.2 resistor. 5V is normal.

Gigabyte GA-B150M-EVO no memory power supply repair Figure 2.

Gigabyte GA-B150M-EVO no memory power supply repair Figure 3.

Gigabyte GA-B150M-EVO no memory power supply repair Figure 4.

Find a resistor to replace it. The memory power supply comes out, but it still turns on without showing. Go to the official website to find a BIOS to brush it up and turn it on.