Read LG 42LD550 (CHASSIS:LA02B) Service Manual online
D-sub RGB
HDMI 1
Side AV
CVBS, L/R
DDR2 (128Mbit)
Nanya
NAND Flash
(4GB)
Digital Audio (Optic)
USB1
Digital AMP
NTP7000L
RS-232C (Ctrl./SVC)
4x1
HDMI Switch
NXP
I2S
NVRAM
RGB/H/V
DDR_Data[0:15], DQS, DM …
Data[16:31]
Addr.[ ], ctrl. data
MICOM
(uPD)
MAX3232
BCM3549
BCM3549
(ATSC)
(ATSC)
Data [0 … 7]
X-tal
AV
Component 1
Y Pb Pr, L/R
CVBS, L/R
HDMI4
Addr[0…1], CS …
Component 2
Y Pb Pr, L/R
Audio L/R
Audio L/R (for RGB)
HDMI 2
HDMI 3
SPDIF
DP/DM/ +5V
RX/TX
54MHz(3
rd
overtone)
JACK PACK
JACK PACK
at REAR
at REAR
JACK PACK
JACK PACK
at SIDE
at SIDE
SCL, SDA_3.3V
SCL, SDA_3.3V
LCD Module
(FHD, 120Hz)
USB2
Wireless Ready
IF +/-
SIF
TU_CVBS
Reset / IF_AGC …
SDA/SCL_5V
RF
TDVJ
-
H001F
DP/DM/ +5V
MCLK
LAN
FRC_URSA3
DDR2 (128Mbit)
Nanya
DDR2 (128Mbit)
Nanya
DDR2 (128Mbit)
Nanya
HP_L/R
Earphone
DDR3 (1Gbit)
Hynix
LVDS_60Hz
LVDS_120Hz