50PG20D-AA (CHASSIS:PA81A) - LG TV Service Manual (repair manual). Page 19

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BLOCK DIAGRAM
COMP1
RGB
HDMI1,
HDMI2,
HDMI3
AV1
AV2
(Side)
CVBS, Y/C
DDR2 SDRAM
(64MByte)
Qimonda
IC701
NOR Flash
(32MB)
SPANSION
IC404
WXGA
 Panel
SPDIF
USB
SPDIF_OUT
Digital amp
(NTP3000A)
IC601
RS-232C
TMDS351PAG
IC201
Pb
 Pr, L/R
DTV/MNT OUT
I2S
EEPROM
24LC512
IC907
HDMI4
RGB
TMDS[0:7]
TMDS[0:7]
CVBS, SIF
NLASB3157
IC502
LVDS TMDS ODD[10 bit]
Host Address[0:24]
Host Data[0:15]
LPF
DDR2 Data[0:15]
DDR2 SDRAM
(64MByte)
Qimonda
IC701
DDR2 Data[16:31]
DDR2 Address[0:12]
I2C
MICOM
WT61P8
IC802
I2C
MAX3232CDR
IC101
TX/RX
TX
NLASB3157
IC1013
TX
TX
AT24C16AN
IC801
FLI10306
TS[0], CLK, SY, VAL (Serial)
Module I2C
RX
CVBS, Y/C
Monitor
out
TV,AV
DTV
Tuner 
(TDFV-G135D1)
TU301
COMP2
Pb
 Pr, L/R
MSP
IC602
I2S
L,R
L,R
SW_LR
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