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9-2-7 Tuner
1'st Source :LGIT TDSY-G430D
2'nd Source : TCL ST42CS-2-E
TU101
T2 TUNER
LGTuner with DVB-C/T/T2
9
1
TH1
Ant.PWR
10
TH2
11
2
TH3
+B1(+3.3V)
12
TH4
13
3
TUN_SDA
TH5
SDA
14
TH6
4
TUN_SCL
SCL
5
TUN_DIF-#T2
DIF(N)
6
TUN_DIF+#T2
DIF(P)
7
IF_AGC_T
R4183 100OHM
IF AGC
8
NC
100NF 16V
C4127
TPV: change TU102 parts number follow LG. 12/30
1'st Source :LG TDQS-A751F
2'nd Source :TCL TUNER EU SS07CA-6-E
TPV: change TU103 parts number follow LG. 1/6
TU102
S2 TUNER
C4133
1NF 50V
12
1
VCC_LNBA
TH1
LNB A
13
TH2
14
2
TH3
NC
15
TH4
3
+3V3_VCC_S2
TU3.3V
4
C4137
NC
5
C4141
QP Output
6
C4143
IP Output
7
C4144
NC
8
IF_AGC_S2_TUNER
AGC
9
X-OUT
10
S2_TUNER_SDA
SDA
11
S2_TUNER_SCL
SCL
C4148
C4147
C4150
10PF 50V
10PF 50V
NC/10PF 50V
NC/10PF 50V
(394GPASEBIL02G)
(394GNPALALL32L)
+3.3V_TU
1
2
120R 1A
C4125
C4126
FB411
100NF 16V
10UF 16V
T2 Tuner IFAGC
IFAGC_T
IFAGC_T
4
Close Tuner
(394GPASEBIL05G)
(394GDVBSALL02L)
LGTuner with DVB-S/S2
+3.3V_TU
FB412
1
2
C4138
C4139
120R 3A
QN
100NF 16V
100NF 16V
10UF 10V
QP
100NF 16V
IP
100NF 16V
S2 Tuner IFAGC
IN
100NF 16V
IFAGC_S
R4196
IFAGC_S
0R05 1/16W
CLOSE TO TUNER
R4202
TUNER_SDA
22 OHM 1/16W
TUNER_SCL
R4204
22 OHM 1/16W
C4149
C4151
C4152
C4153
1NF 50V
22PF 50V
22PF 50V
DVB-C/T/T2 DIF
C4118
C4119
NC/10PF 50V
NC/10PF 50V
TUN_DIF-#T2
R4174
R4175
R
0R05 1/16W
0R05 1/16W
TUN_DIF+#T2
R4178
R4179
0R05 1/16W
0R05 1/16W
R
C4123
C4124
NC/10PF 50V
NC/10PF 50V
CLOSE TO TUNER
Tuner control I2C
TUN_SDA
TUNER_SDA
R4186
22 OHM 1/16W
TUN_SCL
TUNER_SCL
R4187
22 OHM 1/16W
C4129
C4128
CLOSE TO TUNER
NC/22PF 50V
NC/22PF 50V
+12V_Normal
LNB POWER SUPPLY
C4130
100NF 25V
C4140
R4190
C4136 220NF 16V
3.3NF 50V
60.4K 1%
+12V_Normal
LNB_EN
R4191
NC/10K
+3.3V_TU
LNB_LINEDROP
R4192
NC/10K
PWM1/13/18V_SW
R4193
NC/10K
4
R4198
10K
+5V_Normal
R4176
DIF-
4
0R05 1/16W
C4122
R4177
NC/180R
10UF 10V
R4180
DIF+
4
0R05 1/16W
Satellite DIF
IP
IN
from scaler
4,5,10
M-SDA
QP
4,5,10
M-SCL
QN
D4003
L403
10uH
1
2
C4131
C4132
C4134
C4135
FB340M
10UF 16V
U415
MP8124GD
Z
8
4
AGND
PGND
11
3
BY PASS
SW
12
5
C4142
100NF 25V
VDD
BST
10
6
COMP
VBOOST
2
7
EN
VOUT
1
LINEDROP
9
C4146
22NF 25V
TCAP
14
13
C4145
13V/18V
EXTM
100NF 25V
R4201
R4200
DISEQC_OUT
DISEQC
10K
33 OHM 1/16W
TUNER POWER
+3.3V_TU
U414
AZ1117CH-3.3TRG1
3
2
VIN
VOUT
C4121
C4120
100NF 16V
22UF 10V
R4181
IP_S_1
0R05 1/16W
R4182
IM_S_1
0R05 1/16W
R4184
QP_S_1
0R05 1/16W
R4185
QM_S_1
0R05 1/16W
R4189
R4188
NC/0R05 1/16W
NC/0R05 1/16W
LNB_EN
LNB_EN
4
PWM1/13/18V_SW
PWM1/13/18V_SW 4
LINEDROP:
13/18V_SW:
LNB_EN:
Low: 13/18V
High: 18V
Low: dis able
High:
Low: 13V
High: enable
14/19V
ESD & Surge
D4004
Protect
FB340M
VCC_LNBA
D4005
ZD442
R4194 R4195
ZD443
R4197
FB340M
4
R4205
ZD444
4
4
4
4
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