Samsung QE75Q70AAT Instructions De Réparation page 38

Guide de réparation
HDMI INPUT4 (HDMI2.1 / STB)
RX IC INCLUDE INTERNALLY
SO,THE RESISTOR IS DELETED.
_ESD OPTION NEED TO APPLY ASIA NATION
Circuit
TMDS
1
HDMI4_RX2+_HDMI
5
Pin
carte
9
HDMI4_RX0-_HDMI
13
17
HDMI4_INS_DET
38
A
D1901
AZ23C 6V2
DGND
3701-002024
CN1901
MG M 3 N G D N D 1
MGND5
19
H PD
18
+ 5V
17
16
SDA
15
SCL
14
ARC
13
CEC
12
11
10
9
8
7
6
5
4
3
2
1
M G N D M 7 G N D 6
MG N M 4 G D N D 2
DGND
2
6
GND HDMI4_RX1-_HDMI
10
HDMI4_RX_CLK+_HDMI
14
CEC
18
HDMI4_5V_PW
SHORT
USE CASE A
DGND
0 RCLAMP0504F
DGND
6 1 HDMI3_SDA_DDC
5 2
HDMI3_SCL_DDC
4 3
33OHM D1902
R1903
R1904
1KOHM
33OHM
R1939
D1903_AU
AZ1123-04F
1 10
LINE-1 NC
2 9
LINE-2 NC
3 8
GND GND
4 7
LINE-3 NC
5 6
LINE-4 NC
D1904_AU
1 10
LINE-1 NC
2 9
LINE-2 NC
3 8
GND GND
4 7
LINE-3 NC
5 6
LINE-4 NC
AZ1123-04F
4
DGND
CN1901 (HDMI4)
3
GND HDMI4_RX2-_HDMI
7
HDMI4_RX0+_HDMI
11
15
GND HDMI4_SCL_DDC
19
HDMI4_HPD
HDMI4_HPD
C
R1901
1KOHM
ZC1901
R1902
100NF
1KOHM
50V
DGND
DGND
HDMI4_5V_PW
R1905 47KOHM
R1906 47KOHM
C 1902
100NF
1 6V
DGND
HDMI4_INS_DET
DGND
CEC
HDMI4_RX_CLK-_HDMI
HDMI4_RX_CLK+_HDMI
HDMI4_RX0-_HDMI
HDMI4_RX0+_HDMI
HDMI4_RX1-_HDMI
HDMI4_RX1+_HDMI
HDMI4_RX2-_HDMI
HDMI4_RX2+_HDMI
4
HDMI4_RX1+_HDMI
8
12
GND HDMI4_RX_CLK-_HDMI
16
HDMI4_SDA_DDC
HDMI4_5V_PW
HDMI4_IDENT
HDMI4_SDA_DDC
HDMI4_SCL_DDC
GND