Audio Ic/Connector Voltage Sheet - LG LAN-8680MH Service Manual

❏ AUDIO IC/CONNECTOR VOLTAGE SHEET
IC110
PIN# VOLTAGE PIN# VOLTAGE PIN# VOLTAGE PIN#
1 H/L 21 H/L 41 H/L
2 H/L 22 H/L 42 H/L
3 H/L 23 H/L 43 H/L
4 H/L 24 H/L 44 H/L
5 H/L 25 H/L 45 H/L
6 H/L 26 H/L 46 H/L
7 H/ L 27 H/ L 47 4V
8 H/ L 28 H/ L 48 GND
9 H/L 29 H/L 49 H/L
10 H/ L 30 H/ L 50 H/ L
11 H/ L 31 H/ L 51 H/ L
12 GND 32 H/ L 52 H/ L
13 GND 33 GND 53 H/ L
14 GND 34 H/ L 54 N/C
15 4V 35 H/ L 55 H/ L
16 4V 36 H/ L 56 H/ L
17 H/ L 37 H/ L 57 N/C
18 H/ L 38 H/ L 58 H/L
19 H/ L 39 H/ L 59 H/L
20 H/ L 40 H/ L 60 H/L
IC303
IC101 IC406,I C419
PIN# VOLTAGE
PIN# VOLTAGE PIN# VOLTAGE
1 GND
1
1 4V
2 N.C
2
2 GND
3 N.C
3
3 H/L
4 H/ L
5 9V
6 N.C IC402 IC902, 903, 904
7 H/ L PIN# VOLTAGE PIN# VOLTAGE
8 N.C
1 H/L 1
9 H/ L
2 H/L 2
10 N.C
3 GND 3
11 5V
4 H/L 4
12 N.C
5 4V
13 H/L
14 N.C
15 9V
16 N.C
17 GND
18 GND
IC201
VOLTAGE PIN# VOLTAGE PIN# VOLTAGE PIN#
61 H/L 1 1. 8V 21 GND 41
2 H/L 22 GND 42
62 H/L
63 H/L 3 GND 23 GND 43
64 H/L 4 GND 24 N.C 44
5 H/L 25 GND 45
6 GND 26 GND 46
7 GND 27 GND 47
8 3. 3V 28 H/L 48
9 3. 3V 29 H/L 49
10 GND 30 GND 50
11 1. 6V 31 2. 3V 51
12 GND 32 1. 8V 52
13 GND 33 3. 3V 53
14 GND 34 H/L 54
15 GND 35 GND 55
16 1. 6 36 H/L 56
17 GND 37 3. 3V 57
18 GND 38 H/L 58
19 GND 39 H/L 59
20 1. 8V 40 3. 3V 60
CN102
IC407
PIN VOLTAGE
PIN# VOLTAGE
1 H/ L
9V 1 5V
2 GND
GND 2 GND
3 H/ L
5V 3 3. 3V
4 GND
5 H/ L
IC901,I C905
6 H/ L
PIN# VOLTAGE
7 H/ L
12V 1 12V
8 H/ L
8V 2 9V
9 H/ L
GND 3 GND
10 H/L
12V 4 12V
11 H/L
12 H/L
13 H/L
14 H/L
15 H/L
VOLTAGE PIN# VOLTAGE PIN# VOLTAGE PIN#
81 GND 101
GND 61 GND
3. 3V 62 H/L 82 GND 102
H/L 63 H/L 83 GND 103
84 GND 104
H/L 64 H/L
1. 6V 65 H/L 85 GND 105
1. 6V 66 H/L 86 GND 106
3. 3V 67 H/L 87 3.3V 107
N.C 68 GND 88 N.C 108
3. 3V 69 3. 3V 89 N.C 109
N.C 70 N.C 90 N.C 110
N.C 71 N.C
91 N/C 111
N.C 72 N.C
92 H/ L 112
N.C 73 N.C
93 N.C 113
1. 8V 74 N.C
94 1.8V 114
GND 75 N.C
95 GND 115
H/L 76 N.C
96 N.C 116
H/L 77 N.C
97 N.C 117
N.C 78 N.C
98 N.C 118
N.C 79 GND
99 N.C 119
1. 8V 80 GND
100 H/ L 120
CN103
PI VOLTAGE
PIN VOLTAGE PIN VOLTAGE PIN VOLTAGE
N
1 H/L 16 12V 1 H/L
16 GND
2 H/L 17 H/L 2 H/L
17 N/ C
3 H/L 18 H/L 3 H/L
18 H/ L
4 H/L 19 H/L 4 H/L
19 H/ L
5 H/L 20 4V 5 12V
20 H/ L
6 H/L 21 H/L 6 H/L
21 H/ L
7 H/L 22 H/L 7 N.C
22 H/ L
8 H/L 23 H/L 8 H/L
23 GND
9 GND 24 N.C 9 H/L
24 H/ L
10 GND 25 10 H/L
25 GND
11 GND 26 11 12V
26 H/L
12 8V 27 12 12V
27 H/L
13 GND 28 13 H/L
28 GND
14 8V 29 14 H/L
29 H/L
30 H/L 15 GND 30 15 H/L
- 7-11 -
IC201
VOLTAGE PIN# VOLTAGE PIN# VOLTAGE PIN# VOLTAGE
H/ L 121 GND 141 GND
1 4V
N.C 122 1.8V 142 1.2V
2 H/L
N.C 123 H/ L 143 H/ L
3 H/L
GND 124 H/ L 144 H/ L
4 H/L
3.3V 125 1.8V
5 H/L
N.C 126 GND
6 H/L
N.C 127 N.C
7 H/L
N.C 128 N.C
8 GND
N.C 129 GND
9 GND
H/ L 130 GND
10 N.C
CLOCK
H/ L 131
11 GND
SIGNAL
CLOCK
12 4V
H/ L 132
SIGNAL
13 N.C
N.C 133 1. 8V
14 N.C
N.C 134 N.C
15 H/L
N.C 135 H/ L
16 H/L
N.C 136 H/ L
17 H/L
N.C 137 H/ L
18 H/L
N.C 138 GND
19 H/L
GND 139 3.3V
20 H/L
GND 140 2.9V
CN301 CN410 CN103
PIN VOLTAGE PIN VOLTAGE PIN VOLTAGE PIN
16 H/L 1 H/L 1 12V 16
17 GND 2 H/L 2 12V 17
18 GND 3 H/L 3 12V 18
19 N.C 4 3.3V 4 GND 19
20 GND 5 H/L 5 N.C 20
21 N.C 6 GND 6 9V 21
22 N.C 7 GND 7 GND 22
23 12V 8 12V 8 GND 23
24 GND 9 4V 9 12V 24
25 10 12V 10 8V 25
26 11 12V 11 8V 26
27 12 12 GND 27
28 13 13 8V 28
29 14 14 N.C 29
30 15 15 12V 30
IC417 IC418
PIN# VOLTAGE PIN# VOLTAGE PIN# VOLTAGE
21 H/L 1 N.C 21 9V
22 H/L 2 H/L 22 H/L
23 H/L 3 GND 23 H/L
24 H/L 4 H/L 24 GND
25 H/L 5 GND 25 H/L
26 CLOCK 6 H/L 26 H/L
27 4V 7 H/L 27 N.C
28 GND 8 N.C 28 GND
29 H/L 9 GND 29 5V
30 H/L 10 N.C 30 H/L
11 H/L 31 GND
12 H/L 32 H/L
13 GND 33 5V
14 H/L 34 9V
15 N.C 35 9V
16 GND 36 GND
17 H/L
18 N.C
19 N.C
20 9V
VOLTAGE
12V
GND
GND
8V
8V
GND
GND