Read LG 55LH80YD (CHASSIS:LB91F) Service Manual online
PAL CHIP
TUNER
XC5000
LCD/PDP
DIGITAL TV
PROCESSOR
[LGE3369A]
HDMI
Switch
(4-to-1)
[TDA9996]
CEC_RX
HDMI
DDC_RGB
AV1_CVBS_IN
AV2_CVBS_IN
COMP1-Y/Pb/Pr
COMP2-Y/Pb/Pr
DSUB-R/G/B
IF
ANALOG
VIDEO
INPUT
INPUT
DIGITAL
VIDEO
INPUT
INPUT
MiCOM
[WT61P8S]
I2C_CH4
CEC_RX
DDC_RGB
I2C_CH1
LVDS
Receiver
[DTC30LM36]
DUAL
LVDS
HDMI
Transmitter
[SiI9134]
HDMI
DeMUX
[PI3HDMI1210]
RF
Transceiver
[SB9110]
Network
Processor
[SB9120]
HDMI
Receiver
[SiI9125]
30
I2C_CH2
HDMI
3.3V_2
3.3V_L
3.3V_2
3.3V_2
1.8V_1
3.3V_2
5.0V_1
TX_SEL
1.26V_1
1.8V_DDR
3.3V_1
CEC_TX
SiBE
A
M
I/
F
I2C_CH4
24
Wireless TX Module
5.0V_ST
3.3V_L
2.5V_L
1.0V_L
2.5V_L
1.5V_L
1.2V_L
1.0V_L
3.3V_L
1.8V_L
Composite
Video
IN
Component
(Y,Pb,Pr)
IN
ANT/
CABLE
IN
RGB
IN
HDMI
IN
(x4)
SERVICE
only
3.3V_TU
I2C_CH6
FE_VMAIN
FRONT
BACK
TX_SEL
CEC_TX
I2C_CH2
DVB
Demodulator
[CE6355]
3.3V_TU
1.8V_TU
I2C_CH2
TS
I2C_CH2
I2C_CH4
I2C_CH6
1.8V_1
Block Diagram
MEDIA-BOX(VIDEO)
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