LG 47LH85 (CHASSIS:LA92F) Service Manual ▷ View online
NTSC/VSB
Half-NIM
TUNER
LCD/PDP
DIGITAL TV
PROCESSOR
[LGE3369A]
HDMI
Switch
(4-to-1)
[TDA9996]
IF
MiCOM
[WT61P8S]
I2C_CH4
I2C_CH1
I2C_CH2
3.3V_2
3.3V_L
3.3V_2
1.8V_1
3.3V_2
5.0V_1
TX_SEL
1.26V_1
1.8V_DDR
3.3V_1
I2C_CH4
5.0V_ST
Composite
Video
IN
Component
(Y,Pb,Pr)
IN
ANT/
CABLE
IN
RGB
IN
HDMI
IN
(x4)
5.0V_TU
I2C_CH6
BACK
TX_SEL
I2C_CH2
VSB/QAM
Demodulator
[LGDT3305]
I2C_CH2
TS
I2C_CH2
I2C_CH4
I2C_CH6
1.8V_1
A/V Audio-1
A/V Audio-2
COMP Audio-1
COMP Audio-2
RGB Audio
ANALOG
AUDIO
INPUT
DIGITAL
AUDIO
INPUT
I2S
S/PDIF
S/PDIF
OUT
FRONT
FE_SIF
HDMI
Transmitter
[SiI9134]
HDMI
DeMUX
[PI3HDMI1210]
RF
Transceiver
[SB9110]
Network
Processor
[SB9120]
HDMI
Receiver
[SiI9125]
HDMI
SiBE
A
M
I/
F
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
HDMI
SERVICE
only
Wireless TX Module
MEDIA-BOX(AUDIO)
Block Diagram
TX MODULE
Block Diagram
SB9120
Network
Processor
SB9110
RF
Transceiver
ADCI_P/N
ADCQ_P/N
PCLK_P/N
DACI_P/
N
N
DACQ_P/N
RF Control
SLEEP
XTAL
(3.6864MHz)
OSC
(54MHz)
Embedded
CPU
SiI9125
HDMI
Receiver
MX1605
Serial Flash
SPI Bus(4line)
D[35:0]
H/VSYNC
DE
IDCK
I2S
SPDIFI
I2C(2line)
DDC(2line)
TMDS(8line)
HDMI_RST#
SiBEAM_INT
HDMI_INT
Pow
e
r
3.3V
2.5V
1.5V
1.2V
1.0V
SiBEAM_RST#
Power Source
(5V)
MCLK/SCK/W
S
XTAL
(28.322MHz)
HDMI
CABLE
Control
&
Power
CABLE
(12p)
RX MODULE
Block Diagram
SB9121
Network
Processor
SB9111
RF
Receiver
Embedded
CPU
SiI9134
HDMI
Transceiver
MX1605
Serial Flash
SPI Bus
D[35:0]
H/VSYNC
DE
IDCK
I2S(4line)
SPDIFO
I2C(2line)
DDC(2line)
TMDS(8line)
RST#
INT
INT
Pow
e
r
3.3V
2.5V
1.5V
1.2V
1.0V
VCXO
VCXO
Video
PLL
Video
DAC
Audio
PLL
Audio
DAC
I2C
I2C
ACLK
VCLK
Micom
(PIC32MX340F256H)
RST#
Power
Source
(5V)
ADCI_P/N
ADCQ_P/N
PCLK_P/N
DACI_P/N
DACQ_P/N
RF Control
SLEEP
XTAL
(3.6864MHz)
OSC
(54MHz)
MCLK/SCK/W
S
I2C(2line)
XTAL
(27MHz)
XTAL
(27MHz)
Power
CABLE
(8p)
HDMI
CABLE