LG OLED88Z2 Series - Page 15

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Only for training and service purposes.
BLOCK DIAGRAM
Main SoC
eMMC (8GB)
CI Slot
USB1 (2.0)
OCP
USB2 (2.0)
HDMI3
HDMI2(ARC)
HDMI1
Air/ Cable
TUNER
(T2/C/A)
TUNER
(S,S2)
DVB-S
LNB
T2/C/S/S2 H
H
-
H
-
NIM tuner
IF (+/-)
P_TS_OUT
P_TS_IN
MICOM
USB_WIFI
X_TAL
50MHz
LAN
ETHERNET
SPDIF
AV/COMP
CVBS/YPbPr
SPDIF OUT
H/P
AMP
RS-232
MAX323
FT Audio AMP
I2S Out
I2C 0
Vx1 51P (8 lane)
Vx1
Vx1
IF_S
IF
NVRAM (256Kb)
MICOM_I2C
I2C3
IQ (+/-), IP(+/-)
HDMI4
TS
Area OPT
0.8V
Core
3.3V
Normal
3.5V
ST_BY
5V
Normal
0.8V
3.3V
5V
3.5V_ST
0.8V 1.8V
3.3V
3.3V
3.3V
5V
5V
1.8V
1.1V
3.5V_ST
3.3V
3.5V_ST
3.5V_ST
13V
3.5V
13V
13V
20V
3.3V
From
Power
B/D
13V
To WIFI/BT
Combo
eMMC
CLK/DATA/STRB
USB3 (2.0)
UEI MICOM
IR Blaster
Vx1 41P (8 lane)
LPDDR4
16Gb
1.1V
DDR
1.1V
13V
3.5V
1.8V
DDR
1.8V
0.8V
CPU
0.8V
13V
1.8V
1.8V
13V
0.8V
0.8V
13V
WF Audio AMP
20V
3.3V
1.8V 1.1V
LPDDR4
8Gb
IR / KEY
Sub Assy
IR/Key
3.5V_ST
WovCLK out / DataIn
MIC
F22
TW Audio AMP
20V
3.3V
I2S_TW Out
I2C 4
Signal Flow
Supply Power
In/out Power