LCD White Screen and MCU Heating Up

Post Reply
PaulBoily
Posts: 3
Joined: Sat Jan 13, 2018 11:22 pm

LCD White Screen and MCU Heating Up

Post by PaulBoily »

I received a DSO Shell kit as a gift for Christmas and I am having troubles testing it. After soldering a couple components and removing resistor R30, the board does not work. The LCD shows a white screen, and the MCU (U1) gets extremely hot and I can smell it burning up. LM1117 (U2) also gets very hot but not as hot as U1.

I was wondering if there could be an issue with the board or the MCU?
jye1
Posts: 1221
Joined: Wed Feb 20, 2013 4:58 pm

Re: LCD White Screen and MCU Heating Up

Post by jye1 »

Did you test the main board before soldering? Was it working?
PaulBoily
Posts: 3
Joined: Sat Jan 13, 2018 11:22 pm

Re: LCD White Screen and MCU Heating Up

Post by PaulBoily »

jye1 wrote:Did you test the main board before soldering? Was it working?
Yes, I tested before soldering and everything seemed to be working properly.
PaulBoily
Posts: 3
Joined: Sat Jan 13, 2018 11:22 pm

Re: LCD White Screen and MCU Heating Up

Post by PaulBoily »

Bump.
Post Reply