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.



87513.28USD
78.38USD
1.85USD
0.12USD
2928.21USD
11.79USD
839.87USD
123.42USD
0.11USD
0.04USD
0.14USD



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