Sony KP-46WT520 Service Manual page 81

A BOARD IC VOLTAGE LIST
46 GND 11 4.5 2
IC1
47 1.1 12 GND 3
PIN VOLT
1 2.4 48 0.0 13 4.5 4
2 GND 49 0.0 14 4.5 5
3 2.0 50 5.0 15 GND
4 0.0 51 0.0 16 5.2
PIN
5 0.0 52 0.0 17 0.0 1
6 0.0 53 NC 18 GND 2
7 2.0 54 NC 19 4.5 3
8 0.0 55 0.0 20 4.5 4
9 0.0 56 0.0 21 GND 5
10 GND 57 2.9 22 0.0 6
11 0.0 58 0.0 23 0.0 7
12 0.0 59 0.0 24 GND 8
13 0.0 60 2.4 25 4.5 9
14 2.5 61 5.0 26 4.5 10
15 0.0 62 NC 27 9.0 11
16 0.0 63 NC 28 4.5 12
0
17 64 2.5 29 4.5 13
18 2.0 65 1.1 30 GND 14
19 0.0 66 2.9 31 4.8 15
20 GND 67 1.3 32 4.7 16
33 4.5
21 GND 68 2.4 17
34
22 2.0 69 2.4 GND 18
35 4.5
23 2.0 70 0.0 19
24 0.0 71 0.0 36 GND 20
25 GND 72 NC 37 4.5 21
38 4.5
26 0.0 73 NC 22
39 4.5
27 0.0 74 0.0 23
28 2.5 75 0.0 40 GND 24
29 GND 76 4.8 25
IC302
30 GND 77 4.7 26
PIN VOLT
31 GND 78 5.0 1 15.0 27
2.4
32 GND 79 2 3.3 28
33 2.0 80 NC 3 GND 29
34 2.5 4 3.3 30
IC2
35 2.5 5 15.0 31
PIN VOLT
36 GND 1 4.5 32
IC303
37
GND 2 GND
PIN VOLT
38 GND 3 0.0 1 15.0
PIN
39 GND 4 4.5 2 5.0 1
40 2.1 5 4.5 3 GND 2
41 2.5 6 GND 4 5.0 3
42 0.0 7 4.5 5 NC 4
43 0.0 8 4.5 5
IC304
44 0.0 9 9.0 6
PIN VOLT
45 GND 10 4.5 1 15.0 7
KP-46WT520/51WS520/57WS520
9.0 8 2.8 5 9.0 45
GND 9 NC 46
IC452
9.0 10 NC 47
PIN VOLT
NC 11 2.3 1 0.0 48
12 NC 2 N/C 49
IC305
13 GND 3 0.0 50
VOLT
1.0 14 NC 4 3.1 51
GND 15 0.5 5 GND 52
4.8 16 NC 6 3.1 53
2
1.0 17 7 N/C 54
NC 18 3.1 8 3.6 55
4.8 19 2.0 9 GND 56
0.5 20 0.5 10 N/C 57
GND 21 0.0 11 0.0 58
1.9 22 1.8 12 N/C 59
2.6 23 2.1 13 N/C 60
0.9 24 2.0 14 2.4 61
2.0 25 3.4 15 4.9 62
GND 26 3.4 16 N/C 63
N/C
GND 27 3.4 17 64
GND 28 GND 18 1.1
IC601
GND 29 NC 19 4.9
PIN
NC
30 NC 20 N/C 1
GND 31 NC 21 9.0 2
5.0 32 5.0 22 3.4 3
NC 33 NC 23 5.0 4
5.0 34 NC 24 0.0 5
GND 35 NC 25 N/C 6
NC 36 2.6 26 9.0 7
GND 37 NC 27 0.9 8
2.4 38 NC 28 0.3 9
5.0 39 NC 29 5.0 10
2.2 40 1.7 30 5.7 11
2.2 41 1.7 31 1.3 12
5.0 42 2.4 32 3.1 13
GND 43 GND 33 GND 14
GND 44 0.0 34 0.0 15
1.0 45 3.1 35 GND 16
46 2.8 36 2.3 17
IC306
47 5.0 37 0.0 18
VOLT
NC 48 3.1 38 2.3 19
39
NC 2.1 20
IC451
4.6 40 2.8 21
PIN VOLT
4.6 1 9.0 41 0.0 22
GND 2 GND 42 0.0 23
2.8 3 5.0 43 3.3 24
4.9 4 5.0 44 0.0 25
4.2
36 4.3 2 0.0
IC602
5.0 37 4.3 3 0.0
PIN VOLT
3.8 1 4.8 38 0 4 GND
4.4 2 4.5 39 4.3 5 5.0
5.2 3 4.5 40 4.3 6 5.0
N/C 4 GND 41 0 7 0.0
GND 5 4.6 42 4.3 8 5.0
3.4 6 4.5 43 4.3
IC707
3.4 7 4.8 44 N/C
PIN VOLT
0.6 8 9.0 45 4.3 1 5.0
8.9 46 4.3 2 GND
IC603
4.3 47 4.3 3 GND
PIN VOLT
4.9 1 4.3 48 4.3 4 GND
3.7 2 4.3 5 4.4
IC604
1.5 3 0.0 6 0.0
PIN VOLT
1.5 4 4.3 1 11.0 7 4.9
8.9 5 0.0 2 GND 8 5.0
2.9 6 0.0 3 0.0
IC851
2.9 7 4.3 4 9.0
PIN VOLT
2.7 8 0.0 5 11.0 1 5.0
9 N/C 2 2.2
IC701
10 N/C 3 GND
VOLT PIN VOLT
-22.00 11 1.4 1 5.0 4 1.1
-22.00 12 0.8 2 GND 5 1.3
0.0 13 2.9 3 3.3 6 0.0
22.1 14 2.9 4 3.3 7 0.0
9.1 15 2.8 5 5.0 8 -5.0
5.1 16 4.6
IC703 IC852
0
0.0 17
PIN VOLT PIN VOLT
2.7 18 GND 1 N/C 1 15.0
0.0 19 N/C 2 GND 2 2.2
0.0 20 9.0 3 GND 3 GND
3.3
0.0 21 4.3 4 4 0.0
5.3 22 3.3 5 3.3 5 0.5
GND 23 3.3 6 0.0
IC704
-20.7 24 4.9 7 2.8
PIN VOLT
0.0 25 0.0 1 GND 8 -5.0
-5.5 26 3.3 2 GND
IC853
0.0 27 N/C 3 GND
PIN VOLT
0.0 28 N/C 4 GND 1 15.0
0.0 29 N/C 5 4.5 2 2.2
0.0 30 N/C 6 4.5 3 GND
9.3 31 4.3 7 4.9 4 0.0
22.1 32 N/C 8 5.0 5 0.5
0.0 33 4.3 6 0.0
IC706
-22.0 34 0 7 2.8
PIN VOLT
-11.6 35 4.3 1 5.0 8 -5.0
41 2.2 88 GND 135
IC854
42 GND 89 0.0 136
PIN VOLT
I 5.0 43 GND 90 3.3 137
138
O 3.3 44 GND 91 GND
139
G GND 45 GND 92 GND
46 5.0 93 GND 140
IC855
47 GND 94 GND 141
PIN VOLT
1 GND 48 GND 95 3.3 142
2 GND 49 GND 96 GND 143
3 2.2 50 4.3 97 1.6 144
4 3.3 51 0.0 98 1.6
IC856
5 GND 52 2.5 99 GND
PIN
6 1.7 53 2.5 100 GND 1
7 GND 54 3.3 101 GND 2
8 GND 55 GND 102 GND 3
9 2.2 56 0.0 103 GND 4
10 3.3 57 0.0 104 GND 5
11 GND 58 GND 105 GND 6
12 1.7 59 0.0 106 GND 7
13 GND 60 0.0 107 N/C 8
14 2.2 61 0.0 108 N/C 9
15 3.3 62 GND 109 3.3 10
16 GND 63 0.0 110 GND 11
1.7
17 64 GND 111 0.4 12
18 GND 65 GND 112 1.2 13
19 2.2 66 GND 113 GND 14
20 3.3 67 0.0 114 GND 15
21 GND 68 GND 115 0.0 16
22 1.7 69 GND 116 N/C 17
GND
23 GND 70 GND 117 18
24 2.2 71 GND 118 N/C 19
25 3.3 72 0.0 119 N/C 20
26 GND 73 3.3 120 GND 21
27 1.7 74 GND 121 GND 22
28 GND 75 0.0 122 GND 23
29 GND 76 GND 123 GND 24
30 2.2 77 0.0 124 GND 25
31 3.3 78 GND 125 3.3 26
32 GND 79 GND 126 3.3 27
33 1.7 80 N/C 127 3.3 28
34 GND 81 GND 128 N/C 29
35 GND 82 2.5 129 GND 30
36 GND 83 N/C 130 N/C 31
37
3.3 84 GND 131 0.0 32
38 GND 85 GND 132 N/C 33
39 4.9 86 GND 133 GND 34
40 1.9 87 GND 134 GND 35
KP-46WT520/51WS520/57WS520
GND 36 0.0
IC859
37
GND 0.0
PIN VOLT
GND 38 2.4 I -15.0
39
GND 2.7 O -5.0
3.3 40 N/C G GND
GND 41 5.0
IC860
3.3 42 GND
PIN VOLT
1.6 43 GND 1 2.8
GND 44 0.0 2 2.7
GND 45 0.0 3 2.6
46 2.2 4 -5.0
47 2.3 5 1.8
VOLT
GND 48 4.3 6 1.8
GND 49 2.3 7 0.0
GND 50 4.4 8 5.0
2.5 51 GND
IC861
GND 52 GND
PIN VOLT
5.0 53 GND 1 2.8
0.0 54 GND 2 2.7
0.0 55 5.0 3 2.6
0.0 56 GND 4 -5.0
GND 57 GND 5 1.8
2.2 58 N/C 6 1.8
2.1 59 GND 7 0.0
GND 60 GND 8 5.0
GND 61 5.0
IC862
2.0 62 5.0
PIN VOLT
0.5 63 GND 1 2.8
5
64 GND 2 2.7
1.7 3 2.6
IC857
GND 4 -5.0
PIN VOLT
GND 1 4.9 5 1.8
GND 2 4.9 6 1.8
GND 3 4.9 7 0.0
GND 4 GND 8 5.0
GND 5 4.6
All voltages are in V.
GND 6 4.7
GND 7 4.7
0.0 8 4.9
N/C
IC858
GND
PIN VOLT
GND 1 NC
GND 2 GND
0.0 3 GND
0.0 4 4.9
0.0 5 5.0
0.0
81