Z11 hashboard is short-circuited to ground at 3.3V. After removing the IC (U3), inductor (L1) and capacitors (20, 22, 23, 24), the short circuit issue persists.



114232.98USD
101.79USD
2.65USD
0.2USD
4104.77USD
16.39USD
1137.13USD
198.79USD
0.13USD
0.06USD
0.25USD



Check the LDO circuit. Remove C21,C13,U3 to verify. If the issue still exist, the power IC broken, test the power manage IC one by one.
No. 199, Zhaojuesi South Rd, Chenghua District, Chengdu, Sichuan, China
No.14, Jian'an Rd, Bao An District, ShenZhen, GuangDong, China
+86 15390421113
minerfixesofficial@gmail.com