Motherboard 820-2494A
Problem = Not turn on, no work.
Signals cheked:
All signals about power, SMC_ONOFF_L, LID singnal, VCC, AVCC and vref to SMC, and a lot signals about power init.
All Oscillators about SMC, 32,768khz, MCP 25Mhz, and 20mhz osc...
Power supplies about boot secuence. 1.1v -...