TCL L40B2800 Service Manual page 26

P903
H1_HPD
H1_HPD
H1_RX2+ 1
RX2+
H1_SCL
2
H1_SCL GND1
H1_RX2-
3
H1_SDA
H1_SDA RX2-
H1_RX1+
4
RX1+
H_CEC
H_CEC
5
GND2
H1_5V
H1_5V H1_RX1-
6
RX1-
H1_RX0+
7
RX0+
DGND 8
GND3
H1_RX0- 9
RX0-
H1_RXC+ 10
RXC+
11
GND4
H1_RXC-
12
RXC-
R921
100R
CEC H_CEC
13
NC1
H1_ARC
14
NC2
R922 47K
H1_SCL 15
DDCCLK
R923 47K
R924 100R H1_SDA 16
DDCDA
HDMI1_SCL
17
HDMI1_SDA
GND5
R925 100R H1_5V
18 VCC
H1_HPD
19
HPD
R927
R926 1K
10K
R928
DGND
C
4K7
H1_HPD_OUT
B
Q402
BT3904
E
DGND
C926
R929
2U2 H1_ARC_OUT
H1_ARC 0R
DGND
USB CONNECTOR
R951
0R/1206/NC
5V
U902
C906
C917
5 1
C915
VIN VOUT 100U
10U
10V
R950
2
4K7 GND
4 3
EN/EN# NC
RT9711A
DGND
DGND DGND
VGA UART R954/R955 NOT USE
USB1_D-_IN
USB1_D+_IN
H3_HPD
H3_SCL
H3_SDA
F3
H3_5V
DGND
R932 100R
HDMI3_SCL
HDMI3_SDA
R933 100R
R934
10K
H3_HPD_OUT
R937
5R6
AVDD5V_MHL
USB_5V
T
10U/16V
5V_USB
USB1_D-
T T P907
USB1_D+
1
VCC-1
R956
2
2R2
DNEG-1
3
2R2
DPOS-1
4
D- D+ GND-1
R957
GND
T
5
MNT-HOLE1
6
MNT-HOLE2
DGND
HDMI/MHL
P904
H3_HPD
H3_RX2+ 1
RX2+
H3_SCL 2 GND1
H3_RX2-
3
H3_SDA RX2-
H3_RX1+
4
RX1+
H_CEC
5
GND2
H3_5V H3_RX1-
6
RX1-
H3_RX0+
7
RX0+
8
GND3
H3_RX0- 9
RX0-
H3_RXC+
10
RXC+
11
GND4
H3_RXC-
12
RXC-
H_CEC
13
NC1
14
NC2
R930 47K
H3_SCL 15
DDCCLK
R931 47K
H3_SDA 16
DDCDA
17
GND5
H3_5V
18
VCC
H3_HPD
19
HPD
R935
1K
R936
DGND
C
4K7
B
Q403
BT3904
E
DGND
R938
MHL_CABLE_DET
MHL_DETECT
H2_5V 100R
C918
R939
300K
0.047U
DGND
SPDIF
SPDIF
C930 R964
T
0.1U 220R
2
SPDIF_OUT
T Z1
R963 1
C931
close to SOC 120R
33P
F1
DGND
DGND
R904A
T WIFI_ON
NC
P908
6
5
4
R965 2R2
3
USB2_D+
2 R966 2R2
USB2_D-
1
5V C954
C953
T
T 2P2
2P2
NC
NC
0.1U
C921
DGND
H2_HPD
H2_HPD
H2_SCL
H2_SCL
H2_SDA
H2_SDA
F2
H_CEC
H2_5V
H2_5V
DGND
5V
R941
R942
4K7
10K
R943 100R
HDMI2_SCL
HDMI2_SDA
R944 100R
H2_HPD_OUT
5V
R946
MHL_EN NC/100R
MHL_CABLE_DET
C911
C919 C910
R947 1K
R948
0.1U 10U 0.1U
NC/10K
DGND
3_3VSB
C198 CLOSE TO connect
BLACK
P912
3_3VSB
1
KEY
T
2 KEY1
3 GND
NC
4
KEY
P909
3_3VSB
Z2
1
IR
R962
2 3_3VSB
R900 4K7
220R/NC WIFI_EN GND
3
R-LED
4
T
NC
5
DGND
3_3VSB
P910
P905
H2_RX2+
1
RX2+
MHL_DETECT 2
GND1
H2_RX2-
3
RX2-
H2_RX1+
4
RX1+
5
GND2
H2_RX1- 6
RX1-
H2_RX0+
7
RX0+
8
GND3
H2_RX0-
9
RX0-
H2_RXC+ 10
RXC+
11
GND4
H2_RXC-
12
RXC-
H_CEC 13
NC1
14 NC2
H2_SCL
15
DDCCLK
H2_SDA
16
DDCDA
17
GND5
H2_5V
18
VCC
R945
33R
H2_HPD 19
HPD
DGND
U901
H2_5V
1 6
VIN VOUT
C912
2 5 C913 C914
GND ILIM 100U
10V 10U 0.1U
3 4
EN/EN# FAULT
RT9728B
R949
18K
DGND
DGND
NC/ 0BAV99
D100
2 1
3
R958
DGND
47K
R244
22K
KEY_IN
KEY_IN
C248
R244/C248 CLOSE TO IC
0.1U
DGND
F103
T
R960
1K LED_OUT
LED_OUT
IR
T
C925
R961
IR_IN
220R
0.1U
3_3VSB
C924
C923
1000P
0.1U
DGND
DGND