Samsung QA65Q90RAK Service Manual page 143

LD/SMPS Board Pin Map
„
1 B-GND
3 N.C
5 B350V
7 N.C
9 GND
11 VAMP
13 VAMP
15 VAMP
17 A13V
19 PS_ON
21 N.C
23 GND
25 5.5V
1 GND
3 GND
5 BLU_ON/OFF
7 SDA_LED
9 TEST_LD
11 SERIAL_STT
13 SERIAL_DATA
15 GND
CNM803B (LD/SMPS A)
3
1 5V
3 GND
5 N.C
7 PS_ON
9 N.C
11 VAMP
13 VAMP
15 VAMP
17 GND
19 N.C
21 B350V
23 N.C
25 B-GND
CNM803A
1
2 B-GND
4 N.C
6 B350V
8 N.C
10 GND
12 B13V
14 B13V
16 B13V
18 GND
20 POWER_LOW
22 N.C
24 Fault
26 N.C
CN9003A
2
2 SEAMLESS
4 SCL_LED
6 TEST_SD
8 GND
10 VSYNC_IN
12 SERIAL_UHR
14 GND
16 CONTACT
2 N.C
4 Fault
6 N.C
8 POWER_LOW
10 GND
12 B13V
14 B13V
16 B13V
18 GND
20 N.C
22 B350V
24 N.C
26 B-GND
CN9003B (LD/SMPS B)
3
1 GND
3 SERIAL_DATA
5 SERIAL_STT
7 TEST_LD
9 SDA_LED
11 BLU_ON/OFF
13 GND
15 GND
CN9001/CN9002/CN9003/CN9004/CN9005
4
1 GND
3 +
5 +
7 +
9 +
11 +
13 +
15 N.C
17 GND
19 GND
21 GND
23 GND
25 GND
27 FB2
29 Vsync
31 Hsync
33 5.5V
35 GND
37 GND
39 CSB3
41 CSB1
43 GND
45 GND
47 GND
49 GND
51 GND
53 GND
55 +
57 +
59 +
61 +
63 +
65 +
67 N.C
5. Wiring Diagram
2 CONTACT
4 GND
6 SERIAL_UHR
8 VSYNC_IN
10 GND
12 TEST_SD
14 SCL_LED
16 SEAMLESS
2 N.C
4 +
6 +
8 +
10 +
12 +
14 +
16 GND
18 GND
20 GND
22 GND
24 GND
26 FB1
28 FB3
30 GND
32 GND
34 MOSI
36 SCK_MCU
38 MISO
40 CSB2
42 Fault
44 GND
46 GND
48 GND
50 GND
52 GND
54 N.C
56 +
58 +
60 +
62 +
64 +
66 +
68 GND
5-15