TCL LED23E4200 Service Manual page 23

VGA Input
P904
ZVGND
T
ZVB
T
16
5 ZVHS T ZVG
ZVVS T T ZVR
15
10
RX
4
14 VS
9
3 VGA_BIN
13
HS
8
VGA_GIN
2
12
7
1 VGA_RIN
TX
11
ZRX
T
ZTX
T
6 R930
0R
17 UART-RX
R931
0R
UART-TX
DGND
DGND DGND
Y Pb Pr /AV2 Video Input
T ZYPB T
ZYPGND
P905
HD1_Y
6 ZYPY ZYPR T
T
GREEN
5
F16
HD1_PB1
4
BLUE
3
F17
HD1_PR1
2
RED
1
F18
DGND
R939
33R
ZYPAL T
Y Pb Pr/AV2/VGA Audio Input Socket
T
ZYPAR
P906
HD1_LIN
4
WHITE
3
HD1_RIN
2
RED
1
AV-VOUT
T
ZOV
P907 2
YELLOW
1
T T
ZOR ZOL
1
P908 GND
AV-ROUT
R948
3
R
1K
R947
AV-LOUT
L 2
100K
DGND
4
C
Q903
B
BT3904
C908
R949
AV-ROUT
2U2 E
75R
AV-ROUT
R952
27K
DGND
R917
68R VGA_VS
R918
68R
VGA_HS
R919
R920
10K
10K
T
DGND
R921
33R RGB0_PB+
R922
33R RGB0_Y+
R923
33R RGB0_PR+
R924
33R
RGB0_Y-SOG
R925 R926 R927
75R 75R 75R
DGND
R928
DGND
100R
VGA-SCL
UART-RX NEAR IC
VGA-SDA 100R R929
UART-TX
DGND
DGND
R932
33R
RGB2-HDTV_GIN
RGB2-HDTV_GIN
R933
33R
RGB2-HDTV_SOGIN
RGB2-HDTV_SOGIN
R934
33R
RGB2-HDTV_BIN
RGB2-HDTV_BIN
R935
33R
RGB2-HDTV_RIN
RGB2-HDTV_RIN
R938 R937 R936
75R 75R 75R
NEAR IC
DGND
AV-CVBS1P
AV-CVBS1P
C928
R940
2U2 AV_AULIN1
10K
C905
AV_AULIN1
12K
560P
R942
C929
R941
2U2
10K C906 560P DGND AV_AURIN1
12K
R943
AV_AURIN1
9V1
+12V
DGND
C909
R954
AV-AUOUTR3
2U2
0R
AV-LOUT
AV-AUOUTR3
AV-LOUT
VGA_VS
VGA_HS
RGB0_PB+
RGB0_Y+
RGB0_PR+ P911A
RGB0_Y-SOG
USB Input
MNT-HOLE2
6
MNT-HOLE1
5
GND-1
4
D1+
DPOS-1
3
D1-
DNEG-1
2
VCC-1
1
P909
MNT-HOLE2
6
MNT-HOLE1
5
GND-1
4
DPOS-1
3
DNEG-1
2
VCC-1
1
P910
Video /Audio Output CIRCUIT
R958 R959
1K 100K
DGND
C913
C
2U2
Q904
B
BT3904
C911
R956
2U2 E
75R
R960
27K
DGND
SIDE AV1 IN
AV1 IN
ZAV1GND
T
ZV1
T
ZR1
T
ZL1 T
1
R974
RED
10K
MINI_R
2
3
R975
WHITE
10K
MINI_L
4
5
YELLOW
MINI_V
6
P911
F22
CVBS 1 MINI_V
DGND
R 2 MINI_R
DGND
DGND
GND 3
L MINI_L
4
5
Change USB ESD Close SUB socket
ZD1+ T T ZD1-
R972
D1- 5R1 USB1_D-
USB1_D-
R973
D1+ 5R1 USB1_D+
USB1_D+
C930 C923
DGND
22P 22P
+5V_USB
DGND
T
ZUSBGND
T
ZUSBGND1
Change USB ESD Close SUB socket
DGND
D0+
DGND
D0-
ZD0+ T
+5V_USB T ZDO-
R970
5R1 USB0_D-
D0-
USB0_D-
R971
5R1
USB0_D+
D0+
USB0_D+
C922
22P
C921
22P
DGND
E
BT3906
B
Q905
C
R962
R963 R964
AV-AUOUTL3
0R
AV-VOUT 75R 150R
AV-AUOUTL3
AV-VOUT
AV_AURIN0
AV_AURIN0
12K
560P
R976
C924
DGND
12K
560P AV_AULIN0
AV_AULIN0
R977
C925
R978
33R AV-CVBS0P
AV-CVBS0P
NEAR IC
D0-
D0+
D1-
D1+
5VAIN
+5V_USB
T
Z5VUSB
R969
0R
C920
C918
100U
2U2
16V
DGND
5VAIN
L901
220R
R965
C915
1K
R966 10U
68K
DGND
C914
C
10U
Q906 CVBS_OUT0
B
BT3904
E CVBS_OUT0
R968 R967
150R 33K
DGND