Asus ZD553KL Service Manual page 37

ASUS
L3 Service Manual
1. Check if the working voltage of T card 'VDD SD' normal and abnormal check line device on the welding is
normal, then change PMU
2. Review the T card control signals' SDC2_SDCARD_DAT2-3 ', ' SDC2_SDCARD_CMD' and '
SDC2_SDCARD_CLK' on a line welding device is normal.
3. No problem with the above checks, the CPU is replaced.
2017-06-08
ZD553KL - 37 -