LG 43NANO75SQA Service Manual

- 11 -
Copyright © LG Electronics Inc. All rights reserved.
Only for training and service purposes.
Main IC
eMMC (8GB)
CI Slot
USB1 (2.0)
OCP
USB2 (2.0)
HDMI3(2.0) HDMI2(ARC) HDMI1(2.0)
Air/ Cable
TUNER
(T2/C/A)
TUNER
(S,S2)
DVB-S
LNB
T2/C/S/S2 H-NIM tuner
IF (+/-)
P_TS_OUT
P_TS_IN
MICOM
IR / KEY
USB_WIFI
X_TAL
27MHz
Sub Assy
LAN
ETHERNET
SPDIF
AV
CVBS/YPbPr
SPDIF OUT
H/P
AMP
RS-232
MAX323
MAIN Audio AMP
I2S Out
I2C 0
Vx1 51P (8 lane)
Vx1 / EPI/ CEDS
FCIC SPI/ I2C 3
Main
PMIC
IF_S
IF
GST/MCLK/GCLK/EO/I2C 6
NVRAM (256Kb)
I2C_5
I2C 1/2
EPI block
IQ (+/-), IP(+/-)
TS
EPI 60P (65”:8 lane, 55”↓:6lane), CEDS 68P
Area OPT
USB_WIFI
1.2V
DDR
0.95V
Core
3.3V
Normal
1.0V
CPU
3.5V
ST_BY
1.8V
5V
Normal
Sub
PMIC
0.96V 1.5V
3.3V 5V
1V
1.8V
3.5V_ST
0.95V 1.2V
3.3V
13V
3.3V
5V
5V
1V
1.8V
1.8V
3.5V_ST
3.5V_ST
3.3V
3.5V_ST
3.5V_ST
13V
3.5V_ST
13V
13V
13V
3.3V
13V
13V
3.3V
13V(PANEL_VCC)
13V(PANEL_VCC)
To Panel
From
Power
B/D
13
V
Signal flow
SuppliedVoltage
In/output Voltage
To WIFI/BT
Combo
eMMC
CLK/DATA/STRB
48bit
DDR4 2400 x16
(512MB X 3EA)
I2C 2
Area OPT
2.5V
VPP
2.5V
3.5V_ST
2.5V
SMARTCARD
A-CAS
BLOCK DIAGRAM

LG 43NANO75SQA Specifications

General

Brand	LG
Model	43NANO75SQA
Category	LED TV
Language	English