Read JBL HORIZON (serv.man2) Service Manual online
13
13
HORIZON VOLTAGE ON IC PINS
U4
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
ASM32 M016GA
V
0
0.31
1.95
3.31
0.669
0
1~1.5 0.9~1.2 1.7~2 2.8~3.2
3.2
0
0
0
1.56
1.47
PIN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
V
0
1.84
3.26
0
3.28
0
3.31 2.9~0.4
0
3.3-0
0-3.3
2.68
2
2.34
3.27
0
PIN
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
V
0.22
3.3
0
3.1
3.2
3.16
0
3.1
3.31
3.31
0
3.31
3.31
3.31
3.4
2.68
U1
PIN
1
2
3
4
5
6
7
8
PCF8563
V
1.18
0.25
3.38
0
3.2
3.31
0
3.26
U14
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AP420（FM MODE)
V
3.29
3.3
0
0.73
0.737
0
0
0
0
0
3.3
3.3
1.52
0.31
U13
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
74HC4052
V
2.47
2.47
2.47
1.75
2.47
0
0
0
0/3.3
0/3.3
1.72
2.47
2.47
2.47
2.47
4.96
U11
PIN
1
2
3
4
5
6
7
8
LM358
V
3.28
2.43
2.43
0
2.43
2.43
2.83
4.93
U9
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AK5358A
V
2.47
2.47
4.97
2.47
0
4.96
3.29
0
1.4~0.9 1.63
1.13
1.6
3.3
3.28
0
0
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
6.49
13.06 13.06 15.79 10.11
3.27
1.16
0
0
0.67
1.03
1.75
3.28
2.97
1.15
0.92
PIN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
V
0
1.83
3.3
1.62
1.59 1.3-0.8 3.31
3.31
3.31
0
3.28
0
0
0
3.27 10.36
PIN
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
V
9.62
13.13 13.13 0.471
0
0
0.47
13.13 13.13
9.6
9.6
13.13 13.13
0.46
0
0
U18
TAS5709
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
0
0.38
0
0
0
0
0.017 0.017 0.017
1.78
0
1.765
0
0.43
0.42
0.42
PIN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
V
1.77
0
0
1.77
0
0
3.31
0
0
0.01
1.97
1.18
3.31
0
1.78
1.78
PIN
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
V
0
0
0.07
0.06
0
0
0
0
0
0
0
0
0
2.07
0
0
PIN
49
50
51
52
53
54
55
56
57
58
59
60
V
0.022 0.018 0.015 0.015
0
0
0.037
0
0
0
0
0
U15
PIN
1
2
3
4
AS1117-5V
0
4.96
13.11
4.96
U6
PIN
1
2
3
4
0
3.3
4.96
3.3
U19
PIN
1
2
3
4
5
6
MP1470
0
4.96
13.11
1.01
6.71
9.84
U25
PIN
1
2
3
4
5
U21
PIN
1
2
3
4
5
AS2930
V
4.94
0
4.94
0
3.31
G524
5.29
0
5.27
5.27
5.29
U17
PIN
1
2
3
4
5
6
7
8
MP1495
V
0.461 13.13
5.29
0
9.33
4.15
4.93
0.942
U7
PIN
1
2
3
4
5
6
7
8
9
10
DIO3712
V
5.2
0.12
2.1
0
2.1
0
2.8
0
2.8
0.2
U8
PIN
1
2
3
4
5
6
7
8
9
10
DIO3712
V
5.29
3.29
2.82
0
2.8
0
2.1
0
2.1
1.82
U2
PIN
1
2
3
4
5
6
7
8
MC4558
V
2.48
2.48
2.48
0
2.48
2.48
2.48
4.96
AS1117-3.3V
U5
BM830
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25 2.0~2.3
0.72~0.761.5~1.72 1.4~1.9
0
0
4.94
4.4
PIN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
V
4.95
1.7~2
1.62
1.72
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
PIN
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
V
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.58
1.9~2.3
0.72~0.761.5~1.72 1.4~1.9
0
0
4.94
4.4
PIN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
V
4.95
1.63
1.64
1.33
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
PIN
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
V
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
U24 HT1621B
U22 HT1621B
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