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TCL L50B2800 Service Manual page 30

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HDMI1
F425
H1_ARC
P800
F406
H1_HPD
H1_RX2+
1
RX2+
F407
H1_SCL
2
GND1
H1_RX2-
3
F408
H1_SDA
RX2-
H1_RX1+
4
RX1+
F409
H_CEC
5
GND2
F410
H1_5V
H1_RX1-
6
RX1-
H1_RX0+
7
RX0+
GND
8
GND3
H1_RX0-
9
RX0-
C410
R406
H1_RXC+
10
RXC+
2U2
H1_ARC
0R
H1_ARC_OUT
11
GND4
H1_RXC-
12
RXC-
R404
CEC
100R
H_CEC
13
NC1
H1_ARC
14
NC2
R429 47K
H1_SCL
15
DDCCLK
R417 47K
H1_SDA
16
R415 100R
DDCDA
HDMI1_SCL
HDMI1_SDA
17
GND5
R416 100R
H1_5V
18
VCC
H1_HPD
19
HPD
R407
R424
1K
10K
GND
R425
C
4K7
H1_HPD_OUT
B
Q402
BT3904
E
GND
HDMI3
F416
H3_HPD
H3_RX2+
1
F417
2
H3_SCL
H3_RX2-
3
F418
H3_SDA
H3_RX1+
4
F419
H_CEC
5
F420
H3_5V
H3_RX1-
6
H3_RX0+
7
GND
8
H3_RX0-
9
H3_RXC+
10
11
H3_RXC-
12
H_CEC
13
14
R408 47K
H3_SCL
15
R409 47K
H3_SDA
R410 100R
16
HDMI3_SCL
HDMI3_SDA
17
R411 100R
H3_5V
18
H3_HPD
19
R412
R413
1K
10K
GND
R414
C
4K7
H3_HPD_OUT
B
Q403
BT3904
E
GND
USB & WIFI
R307
0R/1206/NC
5V
NC
U301
C306
5
1
C304
10U
VIN
VOUT
10U
R306
2
4K7
GND
4
3
EN/EN#
NC
GND
RT9711A
GND
GND
GND5
USB_5V
WIFI
WIFI_D+
T
WIFI_5V
WIFI_D-
T
T
T
1
R372
USB1_DM
2R2
2
R373
U0RX
U0RX
USB1_DP
2R2
3
USB2_D-_IN
4
USB2_D+_IN
5
U0TX
WIFI_ON
U0TX
WIFI_ON
6
P305
GND
HDMI2/MHL
P801
F411
H2_HPD
H2_RX2+
RX2+
F412
H2_SCL
GND1
MHL_DETECT
F413
H2_RX2-
H2_SDA
RX2-
RX1+
H2_RX1+
F414
H_CEC
GND2
F415
H2_5V
RX1-
H2_RX1-
H2_RX0+
RX0+
GND
GND3
H2_5V
H2_RX0-
RX0-
RXC+
H2_RXC+
D401
BAT54C
GND4
RXC-
H2_RXC-
R438
0R
H_CEC
NC1
NC2
5V
R431
R430
H2_SCL
DDCCLK
4K7
10K
DDCDA
R432 100R
H2_SDA
HDMI2_SCL
GND5
HDMI2_SDA
VCC
R433 100R
H2_5V
R459
H2_HPD_OUT
33R
H2_HPD
HPD
USB_GND
USB_5V
D+
T
USB1
T
USB_5V
D-
T
T
P304
1
VCC-1
USB_5V
R314
2
USB1_DM
2R2
DNEG-1
R316
3
USB1_DP
2R2
DPOS-1
4
GND-1
5
6
GND
3_3VSB
USB2
USB_5V
R310
R311
1_D-
1_D+
RX
TX
NC/4K7
NC/4K7
9
T
T
T
T
R308
1
100R
8
2
R312
2R2
7
R313
3
2R2
6
4
R309
F315
F316
F317
F318
5
100R
GND4
10
T
11
GND
P802
1
RX2+
2
GND1
R434
3
AVDD5V_MHL
5R6
H2_5V
RX2-
4
RX1+
5
GND2
6
RX1-
7
RX0+
8
GND3
9
RX0-
10
RXC+
11
GND4
12
RXC-
5V
13
NC1
14
NC2
15
R440
DDCCLK
MHL_EN
16
DDCDA
100R
MHL_CABLE_DET
17
1K/NC
GND5
C407
R441
NC
18
R439
VCC
0.1U
10K
19
HPD
GND
MNT-HOLE1
MNT-HOLE2
P303
MNT-HOLE1
MNT-HOLE2
R435
MHL_DETECT
100R
MHL_CABLE_DET
C401
R436
300K
0.047U
GND
U401
H2_5V
1
6
VIN
VOUT
2
5
C403
C404
GND
ILIM
10U
0.1U
3
4
EN/EN#
FAULT
RT9728B
R442
C406
18K
GND
C405
10U
0.1U
GND
GND

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