LG 60LN57 Series Service Manual page 39

9. PMIC & Level Shift Bloc Diagram
PANEL_VCC
Positive Charge Pump Controller
Negative Charge Pump Controller
6-Ch Gamma Buffer(DAC output)
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Only for training and service purposes
Boost Converter
Buck 1 converter(VCC)
Buck 2 converter(Vcore)
Buck 3 converter(HVdd)
Buck 4 converter(VCC18)
Vcom reference & gain
Reset
PMIC
TPS65178
Vdd
VCC
Vcore
HVdd
VCC18
SWN
TR/
Diode
CTRLN
SWP
TR/
CTRLP
Diode
GAM4/5/7/12/14/15
VCOM_P
VCOM_N
VCOM_LOOP
PMIC_RESET
Level Shift
TPS65198
VGL
VGH
LGE Internal Use Only