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9-3-7 Tuner
1'st Source : TCL
ST42WS-17-E (394GNPALALL53L)_ SCL-Tr <1000ns*90%
2'nd Source : LGIT TDSY-G480D (394GPASEBIL03G)_ SCL-Tr <300ns*90%
TU103
T2 TUNER
LGTuner with DVB-C/T/T2
8
1
TH1
Ant. PWR
9
TH2
10
2
TH3
+B1(+3.3V)
11
TH4
12
3
TUN_SDA
TH5
SDA
13
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
100NF 16V
C4127
1'st Source :LG TDQS-A701F
(394GPASEBIL04G)
2'nd Source :TCL TUNER EU ()
TU102
S2 TUNER
C4133
12
1
VCC_LNBA
TH1
LNB A
13
TH2
14
2
1nF 50V
TH3
NC
15
TH4
3
+3V3_VCC_S2
TU3.3V
4
R4199
NC
0R05 1/16W
5
R4205
QP Output
0R05 1/16W
6
R4210
IP Output
0R05 1/16W
7
NC
8
IF_AGC_S2_TUNER
AGC
9
X-OUT
10
S2_TUNER_SDA
SDA
11
S2_TUNER_SCL
SCL
C4150
R4188
C4147
10PF 50V
10PF 50V
0R05 1/16W
FB402
+3.3V_TU
1
2
120R 3A
C4125
C4103
100NF 16V
10uF 6.3V
T2 Tuner IFAGC
IFAGC_T
IFAGC_T
4
Close Tuner
LGTuner with DVB-S/S2
+3.3V_TU
FB412
1
2
C4138
120R 3A
QN
C4139
100NF 16V
10uF 6.3V
QP
IP
S2 Tuner IFAGC
IN
R4212
0R05 1/16W
IFAGC_S
R4196
IFAGC_S
0R05 1/16W
CLOSE TO TUNER
TUNER_SDA
R4202
22 OHM 1/16W
TUNER_SCL
R4204
22 OHM 1/16W
R4189
C4151
C4152
C4153
22PF 50V
22PF 50V
1nF 50V
0R05 1/16W
DVB-C/T/T2 DIF
C4118
10PF 50V
TUN_DIF-#T2
R4174
R4175
0R05 1/16W
0R05 1/16W
TUN_DIF+#T2
R4178
R4179
0R05 1/16W
0R05 1/16W
C4123
10PF 50V
CLOSE TO TUNER
+3.3V_TU
4,15
+3.3V_TU
Tuner control I2C
TUN_SDA
TUN_SCL
C4129
22PF 50V
+12V_Normal
LNB POWER SUPPLY
0.1uF 25V
C4136
C4140
R4190
3.3NF 50V
60.4K 1%
220NF 10% 10V
+12V_Normal
R4191
NC/10K
LNB_EN
+3.3V_TU
LNB_LINEDROP
R4192
NC/10K
PWM1/13/18V_SW
R4193
NC/10K
4
R4198
10K
3,4,5,6,7,8,10,11,12,13,14,15
GND
+12V_Normal
+12V_Normal
3,4,5,10,13,14
+5V_Normal
C4119
NC/10PF 50V
R4176
DIF-
4
R
0R05 1/16W
R4177
NC/180R
R4180
DIF+
4
0R05 1/16W
R
C4124
NC/10PF 50V
from scaler
TUNER_SDA
R4186
4,10
M-SDA
22 OHM 1/16W
TUNER_SCL
R4187
4,10
M-SCL
22 OHM 1/16W
CLOSE TO TUNER
C4128
22PF 50V
D4003
L403
10uH
1
2
C4131
SM240A
C4130
C4132
C4134
C4135
10uF 16V
10uF 25V
U415
8
4
C4142
AGND
PGND
11
3
BYPASS
SW
12
5
VDD
BST
10
6
COMP
VBOOST
2
7
0.1uF 25V
C4146
EN
VOUT
1
LINEDROP
9
TCAP
14
13
C4145
13V/18V
EXTM
22NF 25V
100nF 50V
MP8124GD
Z
R4200
R4201
10K
33 OHM 1/16W
R4203
100K 1%
DISEQC_OUT
TUNER POWER
+3.3V_TU
U414
3
2
VIN
VOUT
C4121
C4122
100NF 16V
C4120
10uF 6.3V
AZ1117CH-3.3TRG1
10uF 6.3V
Satellite DIF
IP
4
IP_S_1
IN
4
IM_S_1
QP
4
QP_S_1
QN
4
QM_S_1
LNB_EN
4
LNB_EN
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
Protect
VCC_LNBA
R4194
R4195
R4197
ZD451
D4004
ZD4005
ZD452
DISEQC
4
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