Acer 7520 no image

[nixi22]

I have image problem on acer aspire 7520.When laptop is connected to external monitor works fine,but on main lcd ther is no image or backlight.When i mesure voltage on lcd connector i get everything except LCDVDD,Do i must check for something else or i can say that lcd is dead, and i'm little bit confused to understand that lcd power circut (check schematic picture) can someone explain me that briefly.


tnx in advanced

[volker]

Re: Acer 7520 no image

Hello,
change or reflow IC: MCP-67 (NVIDIA-BGA-Chipset).

[nixi22]

Re: Acer 7520 no image

Hello,
change or reflow IC: MCP-67 (NVIDIA-BGA-Chipset).

Tnx for quick reply,my final thoughts was that mcp is dead.