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Bug #462

3PIN LCD显示器显示亮度过低

Added by mike 4 months ago. Updated 3 months ago.

Status:
Closed
Priority:
Urgent
Assignee:
Category:
H.W
Start date:
06/12/2024
Due date:
% Done:

0%

Estimated time:
型号:
LP11A
CPU:
RK3399Pro
产品:
扩展/功能板硬件版本:
-
核心板硬件版本:
03
底板/一体板硬件版本:
02
固件版本:
\\192.168.1.250\01-Public\wilson_test\rk3399pro\linux\aidong\V1.0\update.img
系统:
内核版本:
Linux bionic 4.4.194 #1 SMP Sat May 18 10:51:08 CST 2024 aarch64 aarch64 aarch64 GNU/Linux
APP版本:
-
复现概率:

Description


Files

#1

Updated by 永豪 4 months ago

经过排查是pcb板物料问题

#2

Updated by mike 4 months ago

  • Category changed from Driver_[RK3568/RK3399Pro] to H.W
  • Assignee changed from 永豪 to jing
#3

Updated by jing 4 months ago

底板上AHD输出端口的ESD器件型号不正确(E1901)。应该是BV03C双向低容值ESD防护二极管,实际贴片的是3。0V的齐纳二极管,并且方向贴错。将方向旋转180度后经验证图像亮度恢复正常。

#4

Updated by shiliang 3 months ago

  • Status changed from New to Closed

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