LP8550

Component appearing in 1 repair guide(s).

Appears in 1 guide(s)

820-3115
ReferenceU9701
PartLP8550 (QFN-24)
FunctionLCD backlight boost driver
RailsPPVIN_S0_LCDBKLT → PP_BKLT_VCC
⚠ Failure
Black screen with absent backlight. Check F9700 before replacing U9701. I²C communication with GPU.
This component appears in these symptom diagnoses
→ No Display
Related IC family
INTEL PCH — provides BL_EN signal to LP8550ISL9240 — provides PP3V3_S0 supply to LP8550