Haier LD42U7000, Service Manual

Page: 39 / 59

39
2
）
Tuner , Demod
C140
NC
R138 NC
1 2
FB104
NC
C138
NC
C132
100N 16V
R157 100R 1/16W 1%
C123
NC
C175
10PF 50V
C181 1NF 500V
C126
NC
C139
NC
T
SB7
1
T
SB6
2
VD
D
33
3
T
SB5
4
T
SB4
5
T
SB3
6
VD
D
12
7
T
SB2
8
T
SB1
9
T
SB0
10
PW
M
0
11
VD
D
12
12
REFCLKI0
13
REFCLKI1
14
VDD_OSC
15
CLK_REF_OUT
16
ADVDD_ADC
17
QVINP
18
QVINN
19
IVINP
20
IVINN
21
REF_BIAS_EXT
22
VDD12
23
PWM1
24
I2C
IN
T
25
SC
LM
26
SD
AM
27
VD
D
12
28
SC
LS
29
SD
AS
30
VD
D
33
31
VD
D
33
32
VD
D
12
33
T
EST
IO23
34
GN
D
35
GN
D
36
VDD12
37
VDD33
38
TESTIO20
39
VDD33
40
VDD12
41
RESETN
42
DBGSEL
43
TEST0
44
TEST1
45
TSBCLK
46
TSBVLD
47
TSBSY NC
48
E-PAD
49
U101
NC
R165
1Kohm 1/16W +/-1%
Q106
MMBT3904 Q105
MMBT3904
C118
NC
R136 NC
R128 NC
R167
NC/0R05 1/16W
C119
NC
R131 NC
R140 NC
C174
100N 16V
C136
NC
R141 NC
R156 100R 1/16W 1%
R168
4.7K 1/16W
R197
100R 1/16W 1%
C141
NC
R153 NC
R4233 NC/ 0R05 1/16W
R162 100R 1/16W 1%
R151
NC
R193 0R05 1/16W C167
100N 50V
+3.3V_Tuner
+3.3V_Normal
+3.3V_Normal
+3.3V_Normal
+3.3V_Normal
+3.3V_Normal
+3.3V_Tuner
+1.2V_DM
+3.3V_Normal
+3.3V_Tuner
IF-AGC-SEL 11
M_SCL 11,13,14,15
+3.3V_Tuner
TS_D[0:7] 7,11
IF_AGC_T 11
TS_SY NC 7,11
Demod_RST 11
TS_CLK 7,11
Demod_RST 11
DIF2 11
DIF1 11
RF_AGC_T 11
M_SDA 11,13,14,15
TS_VLD 7,11 T_SCL 11
T_SDA 11
AGC RC Filter
from
scaler
IF AGC Switch
IF_AGC trace shielding by GND
Close Tuner
350mA
IF-IN- & IF-IN+ trace shielding by
GND
From
T uner
35mA
115mA
CLOSE to Scaler CLOSE to Tuner
Close to ATBM8869
Close to ATBM8869
Close Tuner
DBGSEL
I2C Slave
address
0x80/0x81
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称 爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
B
B
4 18 Tuesday , July 23, 2013
715G6250-M0B-000-0040
<
称爹
>
04-Tuner , Demod and CVBS Out
G6250-M0B-000-0040-1-12XXXX
L103
NC
R161 NC
IF-IN-
IF-IN+
1 2
FB102
NC
C117 NC
RF_AGC_T
IF_AGC T_IF-AGC IF_AGC_DM
R147
NC
C178 1NF 500V
TH4_G
T
H
4_G
T
H
1_G
T
H
3_G
T
H
2_G
R159 0R05 1/10W
ASI
C
_1V2
ASIC_1V2
ASIC_1V2
ASI
C
_1V2
ASIC_3V3
T
SO_D
0
M_SDA
DEBUG_BUS13
ASIC_1V2
IF-IN+
ASI
C
_3V3
M_SCL
ASIC_1V2
ASI
C
_1V2
ASI
C
_3V3
ASIC_3V3
ASI
C
_1V2
ASIC_3V3
ASI
C
_3V3
IF-IN-
REFCLKI0
DBGSEL
REFCLKI1
TSO_SY NC
IF_AGC_DM
TSO_VLD
TSO_CLK
Demod_RST
Demod_RSTN
T
SO_D
6
TS_VLD
TSO_D7
T
SO_D
5
TS_SY NC
TSO_D3
DEBUG_BUS10
TSO_D6
TSO_D4
T
SO_D
3
T
SO_D
1
T
SO_D
2
T
SO_D
4
TSO_D5
T
SO_D
7
TS_D4
TS_D6
TS_CLK
TSO_SY NC
TSO_CLK
TS_D7
TSO_D0
TSO_D1
TS_D0
TS_D1
TS_D5
TS_D2
TS_D3
TSO_D2
TSO_VLD
R194 0R05 1/16W
R144 NC
R143 NC
C122
NC
C137
NC
C127
NC
C129
NC
C128
NC
R129 NC
NC
C120
R152
NC
R133 NC
C131
NC
L101 NC
C130
NC
C115 NC
1 2
X101
NC
L102 NC
C116 NC
R155
NC
C165
NC
R139 NC
R160 NC
C135
NC
R142 NC
Q103
MMBT3906
Q104
MMBT3906
GND
1
3.3V
2
SCL
3
SDA
4
GND
5
GND
6
IF_N
7
TH1
10
TH2
11
TH3
12
TH4
13
IF_P
8
IF_AGC
9
TU101
ST21WN-2I-E
M_SDA
M_SCL
R154 NC
TH3_G TH1_G
TH2_G
C183 1NF 500V
C179 1NF 500V
C125
NC
C124
NC
R169
10K 1/16W
R164
2K2 +-1% 1/16W R166
100K 1%
R135 NC
IF_AGC_T
R130 NC
R132 NC
C164
NC
C166
NC
C134
NC
1 2
FB103
NC
R198
100R 1/16W 1%
R158 0R05 1/10W
R163
10K 1/16W
R4234 NC/ 0R05 1/16W
R150
NC
C168
100N 50V
T_IF-AGC
IF_AGC
SCL-T
SDA-T
T_IF-AGC
IF-IN-
IF-IN+