Samsung QA65Q90RAK Service Manual page 76

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82 inches : LD/SMPS A
Main Connector (POWER)
1
B-GND
2
7
N.C
8
13
VAMP
14
19
PS_ON
20 POWER_LOW
25
5.5V
26
Power On
82 inches : LD/SMPS B
1
GND
2
7
TEST_LD
8
13
GND
14
FUSE
CNM803A
CNM803A (MAIN Connector)
B-GND
3
N.C
9
GND
B13V
15
VAMP
21
N.C
CN9003B (LD/SMPS A Connector)
CONTACT
3
SERIAL_DATA 4
VSYNC_IN
9
SDA_LED
SCL_LED
15
GND
N.C
4
N.C
10
GND
16
B13V
N.C
22
N.C
GND
10
GND
16
SEAMLESS
4. Troubleshooting
5
B350V
11
VAMP
17
A13V
23
GND
CN9003B
LD/SMPS A Connector
5
SERIAL_STT
11
BLU_ON/OFF
Backlight
6
B350V
12
B13V
18
GND
24
Fault
6
SERIAL_UHR
12
TEST_SD
4-7

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