Read LG 55LH80YD (CHASSIS:LB91F) Service Manual online
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#
PowerÂ
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