LG OLED77W9PUA, Service Manual

Page: 13 / 59

- 13 - Copyright © LG Electronics Inc. All rights reserved.
Only for training and service purposes.
4. HDMI
Main
IC
IC101
Ha
wk
2
IC3600
X-tal
(12M
Hz)
S-Flas
h
(4
MB
)
PHY3
PHY2
PHY1 PHY0
HDMI2.0_
1
HDMI2.0_
2
HDMI2.0_
3
HDMI2.0_
4
HDMI2.1_
3
HDMI2.1_
2
HDMI2.1_
1
HDMI2.1_
0
eA
RC
eA
RC
/ AR
C
(HDMI2)
HDMI1
JA
CK
HDMI2
JA
CK
HDMI3
JA
CK
HDMI4
JA
CK
3.3V
0.95V
-5
V, HPD - TM
DS
- GPIO
4E
A
I2C_2(0x42
)
S/W
4Pin
(Debug)
I2C_4
AR
C
AR
C TX
eA
RC
TX
AR
C_RX
MUX
Mi
com
CEC
I2C_1
4Pin-U
AR
T
(Debug)
HDMI
UEI Detect
(Each
Port #17)
SPDIF Jack
SPDIF
GPIO11 GPIO12
Low
Hi
gh
GPIO
GPIO
IC
switch IC
Description
M16p
3
O1
8
AH14 (GPIO29)
AM11(GPIO107)
Y19(RESET)
HWAK2_RESET
: S/W RESE
T
AJ13(GPIO30)
AN11(GPIO108)
V9(GPIO08)
HAWK2_WAKE_ON
: PM Mode
enable
AJ16(GPIO28)
AJ8(GPIO82)
D
15(DTX01)
HWAK2(READY)
: Read
y
A31(GPIO93
)
AF5(GPIO87)
U6
(DTX00
)
HWAK2_DDC_CTRL
: DDC Comman
d
flag(Not
use)
MIco
m
Descriptio
n
P1
46(P23)
HWAK2_POW
ER
_O
N/
OF
F :
Stan
-b
y
Enable