Samsung QA55Q900RBWX Series Service Manual page 67

5. Wiring Diagram
„ LD/SMPS Board Pin Map
1 GND
2 GND
3 TEST_LD
4 TEST_SD
5 CONTACT
6 GND
7 BLU_ON_OFF
8 VSYNC_IN
9 SERIAL_STT
10 GND
11 GND
12 SERIAL_UHR
1 GND
2 N.C
3 5V
4 5V
5 N.C
6 GND
7 SDA_LED
8 SCL_LED
9 GND
10 SERIAL_DATA
11 GND
12 GND
1 B13V
2 GND
3 B13V
4 GND
5 B13V
6 GND
7 B13V
8 GND
9 B13V
5-12
CN9003B
1
13 GND
14 GND
15 SERIAL_DATA
16 GND
17 SCL_LED
18 SDA_LED
19 GND
20 N.C
21 5V
22 5V
23 N.C
24 GND
CN9003A
2
13 SERIAL_UHR
14 GND
15 GND
16 SERIAL_STT
17 VSTNC_IN
18 BLU_ON_OFF
19 GND
20 CONTACT
21 TEST_SD
22 TEST_LD
23 GND
24 GND
CNT803
3
10 GND
11 B13V
12 GND
13 B13V
14 GND
15 B13V
16 GND
17 B13V
18 GND
4
1 GND
3 GND
5 N.C
7 GND
9 VAMP
11 VAMP
13 VAMP
15 N.C
17 B350V
19 N.C
21 B_GND
5
1 B_GND
3 N.C
5 B350V
7 N.C
9 VAMP
11 VAMP
13 VAMP
15 GND
17 N.C
19 GND
21 GND
6
1 B_GND
3 N.C
5 B350V
7 N.C
9 GND
11 VAMP
13 VAMP
15 VAMP
17 GND
19 PS_ON
21 N.C
23 GND
25 GND
CNS803R/L
2 GND
4 GND
6 N.C
8 GND
10 B13V
12 B13V
14 B13V
16 N.C
18 B350V
20 N.C
22 B_GND
CNS803B
2 B_GND
4 N.C
6 B350V
8 N.C
10 B13V
12 B13V
14 B13V
16 GND
18 N.C
20 GND
22 GND
CNM803A
2 B_GND
4 N.C
6 B350V
8 N.C
10 GND
12 B13V
14 B13V
16 B13V
18 GND
20 N.C
22 N.C
24 GND
26 GND