Tuner Board - TCL LCD20W5HE Service Manual

20" LCD TV

10.3. Tuner Board

715T1529-1-2
AGND C115 C116
C117
68pF
68pF 68pF
L111 120 OHM
L112 120 OHM
L113 120 OHM
L115 600 OHM
L116 600 OHM
C125
470pF
J103
JACK
AGND
3, 4 COMP_AIR
3, 4 COMP_AIL
47K
C101
330pF
21 AGND
C112
20
68pF
19
18
17 R133
16 75 1/16W SCART1_FB
15
L101 120 OHM
14
13
12
C119
11 AGND
68pF
120 OHM
10
L102
9 R131
15K 1/16W
8
7
6 L119
5 C638
4 470pF
3 47K
2
1
SCART1_CVBS
J102
SCART-1 L117
C126
C127 120 OHM
470pF
68pF R132
75 1/16W
AGND AGND
L123
150 OHM
Tommy 06/02/16
R119 C129 R118 C131 R117 C133
75 1/16W 75 1/16W 75 1/16W
47pF/50V 47pF/50V 47pF/50V
Tommy 06/02/16 Tommy 06/02/16
L122
J105
600 OHM
JACK
3 2
L121
600 OHM
R618
C641
1/16W C640
470pF 470pF
5V
L103
120 OHM
R122 R120
75 1/16W 22K 1/16W
Q101
PMBS3904 1
VIDEO_OUT 2
C114
10uF/16V
R127
R129 18K 1/16W
470 1/16W
SC1_FUNCTION AGND
600 OHM
AIL1 3, 4
R615
1/16W
L120 600 OHM
AIR1 3, 4
C639
470pF
R616
47K 1/16W
COMP_PR
L125
150 OHM
Tommy 06/02/16
COMP_PB
L124
150 OHM
Tommy 06/02/16
COMP_Y
R143
0 1/16W
Tommy 06/02/16
R144
0 1/16W
R145
0 1/16W
R147
0 1/16W
R148
0 1/16W
R149
0 1/16W
R150
0 1/16W
AGND
52
SVIDEO_C
L109
120 OHM C113
R121
68pF
75 1/16W JP100
AGND AGND
AV_1 7
L118
120 OHM C150
R141
68pF
75 1/16W
3
AGND AGND 4
SVIDEO_Y
L110 5
120 OHM C120
R128 68pF
75 1/16W
AGND
AGND
J101
2 1
5V
4 3
6 5
12V_T 8 7
10 9
SC1_FUNCTION
12 11
14 13
16 15
2,3 SCL
18 17
2,3 SDA
20 19
COMP_Y 22 21
COMP_PB 24 23
COMP_PR 26 25
28 27
30 29
SCART1_G
32 31
SCART1_B
34 33
SCART1_R
36 35
SCART1_FB
CONN
AGND
SCART1_CVBS C139 U107
10uF/6.3V
1
VIN1 VOUT
3
VIN2
AV_1 C143 5
VIN3
10uF/6.3V
CVBS_SW1 2
2 CVBS_SW1 SW1
CVBS_SW2 4
2 CVBS_SW2 SW2
6
5V V+
C147 C148 NJM2244
+
10uF/16V 0.1uF/16V
AGND
5V
0.1uF/16V + C122
C121 100uF/16V
AGND AGND
AOC (Top Victory) Electronics Co., Ltd.
Title
I/O 715T1529-1-2
Size Document Number
A3 PAL INPUT
Date: Wednesday, June 14, 2006
TCL LCD20W5HE
JACK
8
9
2
1
6
switch
AGND
PC_R_I 3,4
PC_L_I 3,4
R_OUT 3
L_OUT 3
TUNER_OUT 2
SCART1_CVBS
AV_1
CVBS_SEL
SVIDEO_Y
SVIDEO_C
C151 C153
68pF 68pF
AGND
7 CVBS_SEL
C144
68pF
AGND
U107
CVBS_SW1 CVBS_SW2
CVBS_SEL
0 0
SCART1_CVBS
X 1 AV_1
Rev
1
Sheet 1 of 4