LG 42LA86 Series Service Manual page 68

7. HDMI
H13D
(IC100 / LG1154D)
HDMI_HPD_1 ~ 4
HDMI_S/W_RESET
HDMI_INT
SPDIF_OUT_ARC
HDMI Switch
(IC3201 / SII9587CNUC)
HDMI Out put 8bits
I2C_SCL/SDA 5 2bits
MICOM
(IC3000 / R5F100GEAFB)
MHL OCP
(IC3202 / TPS2554)
5V_HDMI_1 ~ 4
SPDIF_OUT_ARC
CEC_REMOTE
HDMI1
CEC_REMOTE
TMDS Link 8bits
HDMI_HPD_1
DDC_I2C 2bits 5V_HDMI_1
HDMI2
TMDS Link 8bits
CEC_REMOTE
HDMI_HPD_2
DDC_I2C 2bits
5V_HDMI_2
HDMI3
TMDS Link 8bits
CEC_REMOTE
HDMI_HPD_3
DDC_I2C 2bits
5V_HDMI_3
HDMI4
TMDS Link 8bits
CEC_REMOTE
DDC_I2C 2bits
HDMI_HPD_4
MHL_DET
5V_HDMI_4