LG 42LB550T Service Manual

(P1801)
30P HD LVDS wafer
51P FHD LVDS wafer
(P1800)
COMP2_L/R_IN
COMP2_Y+/AV_CVBS_IN, COMP2_Pb+/Pr+
CK+/-, D0+/-, D1+/-, D2+/-_HDMI2
DDC_SCL/SDA_2, HDMI_CEC
Serial Flash
(8Mbit)
IC1300
SPI_SCK/SDI/SDO/CS
System EEPROM
(256Kbit)
IC104
I2C_SCL/SDA
RXA0+/-~RXA4+/-, RXACK+/-
RXB0+/-~RXB4+/-, RXBCK+/-
SPK_R
SPK_L
AMP_SCL/SDA
AUD_MASTER_CLK,
AUD_LRCH,
AUD_LRCK, AUD_SCK
STA380BW
(IC3401)
Main SOC
M1A -128MB 내장
(IC101)
Connector
(P4600)
KEY1/2, LED_R, IR
REAR
HDMI1
(JK800)
F-SCART
(JK2801)
SPDIF_OUT
SPDIF(Optic)
(JK1001)
SIDE
USB
(JK700)
HDMI2(MHL)
(JK801)
CK+/-, D0+/-, D1+/-, D2+/-,_HDMI4, DDC_SCL/SDA_4, HDMI_CEC
SIDE_USB_DM/DP
USB1_OCP/CTL
TPS65282
+5V_USB
MHL_CD_SENSE
HP_L/ROUT, SIDE_HP_MUTE
Headphone
(JK3000)
DDR3 SDRAM
(1Gbit)
IC1201
B-MDQL[0-7], B-MDQU[0-7],…
AVDD5V_MHL,MHL_OCP
CI Slot(P1900)
NAND FLASH
IC102 (1Gbit)
H27U1G8F2CTR-BC
PCM_A[0:7]
TC74LCX244FT
Buffer
TS_DATA[0:7]
PCM_DATA[0:7]
EPHY
LAN
(JK2100)
COMPONENT
(JK2802)
5V_HDMI_4
PCM_A[8:14]
X-tal
24M
SC1/AV2_CVBS_IN,
DTV/MNT_OUT, DTV/MNT_L/R_OUT
SC1_R+/G+/B+, COM1_Y+/Pb+/Pr+
TU_SCL / SDA
F/NIM
DEMOD_SCL/SDA
IF_N/P
IF_AGC
FE_TS_DATA[0:7]
LNB_TX
LNB_OUT, DEMOD_RESET
2-1. Block Diagram T2/C/S2 3D Model
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Only for training and service purposes
LGE Internal Use Only

LG 42LB550T Specifications

General

Brand	LG
Model	42LB550T
Category	LED TV
Language	English