LG 50PK550 Service Manual page 66

12. Component / RGB / AV Audio Trouble Shooting
(Front-end)
ISDB-T/
PAL/NTSC
IF
Demodulator
MN884433
(External Input)
AV1
AV1_LR
AV2
AV2_LR
COMP1_LR
COMP2_LR
RGB_LR EXT_IN
SIDE HDMI_PORT
UI_HW_PORT1
UI_HW_PORT2
UI_HW_PORT3
Customer Oriented R&D
CVBS_LIVE
SIF1
TP1
(Comp1/2, RGB)
HDMI3
HDMI1
HDMI0_BCM
TDA9996
TDA9996
HDMI2
HDMI2
(System + DVR + Scalar)
NANDFlash
NANDFlash
512MB
512MB
CVBS_LIVE
TP1
SIF_LIVE
BCM3556
(400M MIPS)
(400M MIPS)
EXT_IN
HDMI0_BCM
LAN
(Audio Out)
I2S_BCM
TAS9709
TAS9709
(USB)
HUB
(PK950)
PK550
DDR2
DDR2
512MB(128*4)
512MB(128*4)
1080P
LVDS
SPDIF
BCM3556
I2S_BCM
USB2.0
PHY
(LAN)
PHY
(Wireless)
Wireless
RX Box
BT Module
PK950
LAN
HDMI
Breakthrough