Read LG 42SL80YD-DA (CHASSIS:LT91T) Service Manual online
Digital Audio (Optic)
RS-232C (Ctrl./SVC)
MAX3232
RS232 IC
DTV IF +/-
Component 1
Y Pb Pr
Audio L/R
Phone (for RGB)
SPDIF
RX/TX
RX/TX
Tuner CVBS, SIF
TS_Serial In
TS_clk, Sync, Val, Err
TS_Parallel In[0-7]l
TS_clk, Sync, Val, Err
TS_Parallel In[0-7]l
Buffer
CE6355
Intel Demod.
CVBS
RGB/H/V
EEPROM
AV1
RGB
USB2.0
USB DP/DM
MIC2019
O.C. Protector
+5V
+5V
XC5000
Tuner
Rear
DDR2 (1Gbit)
Qimonda / Hynix
NAND Flash
(512Mbit)
Digital AMP
NTP3100L
I2S
DDR_Data[0:15], DQS, DM …
Addr.[ ], ctrl. data
Saturn6
Saturn6
LGE3369A
LGE3369A
Data [0 … 7]
Addr[0…1], CS …
Addr[0…1], CS …
SCL, SDA_3.3V
LCD Module
(HD/FHD)
LVDS
Serial Flash
(32Mbit)
SPI
EEPROM
(512K)
CM3212
Sensor
SCL, SDA_3.3V
DDR2 (256Mbit)
Qimonda / Hynix
DDR_Data[0:15], DQS, DM …
Addr.[ ], ctrl. data
Audio L/R
Audio L/R
Audio L/R
Divx
HDMI 1
HDMI 2
HDMI 3
5V_HDMI1, HPD1, DDC SCL/SDA, CLK, DATA
LNA
RF Jack (Digital)
RF Jack (Analog)
XC5000
Tuner
Buffer
CE6355
Demod
LGE7329A
FRC
Component 2
Y Pb Pr
Audio L/R
Data [0 … 15]
ADD [0…15]
ADD [0…15]
Data [0 … 15]
ADD [0…15]
ADD [0…15]
HDMI 4
5V_HDMI3, HPD3, DDC SCL/SDA, CLK, DATA
Side
Rear
DDR2 (256Mbit)
Qimonda / Hynix
DDR2 (512Mbit)
Qimonda / Hynix
DDR_Data[0:15], DQS, DM …
Addr.[ ], ctrl. data
RF S/W
TMDS351
HDMI S/W
DATA, Clock
Select
Side
TLV320AIC1106
PCM CODEC
B/T HP L/R OUT
LBMS-2C66B4
B/T Module
B/T DM/DP
PCM
PCMSYNC
MCLK
MCLK
CVBS
AV2
Audio L/R