Tuner Board - AOC TV3766W Service Manual

37'' LCD TV

9.3 Tuner Board

715T1769-1
SVIDEO_C
SVIDEO_Y
75
COMP_R1
L116
COMP_Y 1
L100
COMP_PB1
120 OHM
COMP_PR1
L118
C140 C141
68pF
AGND
AGND
L119 120 OHM
AV_2
R156 75 1/16W
2 AV_2
600 OHM L121
600 OHM L122
600 OHM L123
600 OHM L124
COMP_R1
COMP_L1
AGND
U100
CH_SEL2 CH_SEL1 A_I
0 0 AV1
0 1 AV2
1 0 COMP
1 1 DVD
J101 JACK
L111
COMP_L1
600 OHM
C131
470pF 7
AGND
120 OHM
L112
2
120 OHM 1
L113
5
switch
R138
C132
R137 75 1/16W C133
1/16W 68pF
68pF
AGND
L114 600 OHM
C135
120 OHM C137 470pF
68pF
120 OHM
AGND
AGND
J103
68pF JACK
AV2_R_S
AV2_L_S
AV_2_S
C143
C142
68pF 68pF
AGND
AGND AGND
5 RN101 4 5
6 3 6
7 2 7
8 1 8
AGND
47K 1/16W 47K
AV2_L
C144 10uF/16V
AV2_R C145 10uF/16V
AV1_R
C146 10uF/16V
AV1_L
C147 10uF/16V
C148 10uF/16V
C149 10uF/16V
5 4
6 3
7 2
8 1
RN102
47K 1/16W
AGND
8
9
R132
3
4
6
AGND
L115 C134
600 OHM 10uF/16V
L117
600 OHM
C136
10uF/16V
J102
AGND
JACK
L120 120 OHM
AV_1 2
R155
75 1/16W
AGND
RN100 4
3
2
1
1/16W
U100 74HC4052D
AV1_R1 12 13
X0 X A_1_R
AV2_R1 14
X1
COMP_AR1 15 3
X2 Y A_1_L
I_DVD_AR1
11
X3
AV1_L1
1
Y 0
AV2_L1 5
Y 1
COMP_AL1 2
Y 2
I_DVD_AL1 4
Y 3
CH_SEL1 10
A
CH_SEL2 9
B
8V
6
EN
D100 7
VEE
16
VDD
LL4148-GS08 C162 C163
+
10uF/16V
0.1uF
5 4
6 3
7 2
8 1 AGND
RN103
47K 1/16W
52
R131 10K
R133 10K
U105 PCA9554PW
1
A0 VDD
2
A1 SDA
R139 10K 1/16W 3
A2 SCL
R140 100 1/16W 4
3 MODE_1
I/O0 INT
5
I/O1 I/O7
6
I/O2 I/O6
R145 100 1/16W 7
3 MODE_2
I/O3 I/O5
8
VSS I/O4
AGND
LINE_O_L 4
OPTION
LINE_O_R 4
L125
AV_2_S
300 OHM
AV2_L_S L126
AV2_R_S L127
300 OHM
J100
SVIDEO_Y
36
34
32
2 CVBS_SEL_1
30
28
3 TUNER_OUT
26
SVIDEO_C
24
4
22
AV_2 20
4 2 AV_2
AV_1
18
2 AV_1
16
14
COMP_Y1
12
COMP_PB1
10
COMP_PR1
8
6
4
3,4 SD1
2
3,4 SC1
CONN
AGND
AOC (Top Victory) Electronics Co., Ltd.
Title
Size Document Number
A3
715T1769-1
Date: Tuesday , March 14, 2006
AOC TV3766W
5V_A
1/16W
1/16W
R134
1K 1/16W
16
15
SD1 3,4
14
SC1 3,4
13
12 R142 100 1/16W
CH_SEL4 2
11 R144 100 1/16W
CH_SEL3 2
R146 100 1/16W
CH_SEL2
10
9 R147 100 1/16W CH_SEL1
C165
68pF CN104
80 OHM AGND
1
2
3
4
5
6
CONN
C167 C166
330pF 330pF
AGND
12V_T
5V_A
35
33
31
29
27
25
23
21
L_OUT 4
19
R_OUT 4
17
15
HDMI_R 4
13
HDMI_L 4
11
9
PC_R 4
7
PC_L 4
5
3
1
VIDEO_OUT 2
AGND
I/O
Rev
D
4
Sheet 1 of