LG LAN-8680MH, Service Manual

Page: 57 / 88

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