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8-8-10 T2 /S2 Tuner
T2 TUNER
LGTuner with DVB-C/T/T2
co-layout
TU102
8
1
TH1
Ant. PWR
9
10
TH2
2
TH3
+B1(+3.3V)
11
TH4
12
3
TUN_SDA
TH5
SDA
13
C203
TH6
4
TUN_SCL
SCL
100NF 16V
5
TUN_DIF-#T2
DIF(N)
6
TUN_DIF+#T2
DIF(P)
7
IF_AGC_T
T2_IF_AGC
R347
IF AGC
C231
0R05 1/16W
1NF 50V
C132
NC/10PF 50V
TUN_DIF-#T2
TUN_DIF-
C205
100NF 16V
R138
0R05 1/16W
C
R
TUN_DIF+#T2
C206
100NF 16V
R141
TUN_DIF+
0R05 1/16W
C
R
C135
NC/10PF 50V
CLOSE TO TUNER
S2 TUNER
LGTuner with DVB-S/S2
TU103
C207
1nF 50V
12
1
TUNER_LNB
TH1
LNB A
13
TH2
14
2
TH3
NC
15
TH4
3
+3V3_VCC_S2
TU3.3V
4
NC
5
C212
QP
QP Output
100NF 16V
6
C213
IP
IP Output
100NF 16V
S2 Tuner IFAGC
7
NC
R348
8
IF_AGC_S2_TUNER
AGC
9
C262
C263
C210
0R05 1/16W
X-OUT
10
10PF 50V
10PF 50V
1nF 50V
SDA
CLOSE TO TUNER
11
SCL
S2_TUNER_SDA
R342
S2_TUNER_SCL
R341
TDQS-A751F
C261
C260
22PF 50V
22PF 50V
1'st Source :LGIT TDSY-G480D
(394GPASEBIL03G)
2'nd Source : TCL
Tuner control I2C
+3V3_TUNER
1
2
120R 1A
C215
FB105
TUN_SDA
10UF 6.3V 20%
TUN_SCL
T2 Tuner IFAGC
1'st Source :LG TDQS-A701F
(394GPASEBIL04G)
2'nd Source :TCL TUNER EU ()
+3V3_TUNER
FB203
1
2
C209
C208
120R 3A
100NF 16V
10UF 10V
S2_IF_AGC
TUNER_SDA
22R 1/16W 5%
TUNER_SCL
22R 1/16W 5%
DV33
R202
R201
4K7 1/16W 5%
4K7 1/16W 5%
from scaler
TUNER_SDA
R340
22R 1/16W 5%
TUNER_SCL
R346
22R 1/16W 5%
C257
C256
CLOSE TO TUNER
22PF 50V
22PF 50V
LNB POWER SUPPLY
C253
R227
3.3NF 50V
60.4K 1%
R208
10K
DV33
R215
10K
LNB_LINEDROP
R222
10K
LINEDROP:
13/18V_SW:
LNB_EN:
Low: 13/18V
High: 18V
Low: dis able
High: 14/19V
Low: 13V
High: enable
GPIO
LNB_EN
LNB_EN
11
TU_LNB
TU_LNB
10
DISEQC_OUT
DISEQC_OUT 11
Tuner
TUN_DIF-
TUN_DIF-
7
TUN_DIF+
TUN_DIF+
7
TUNER_SDA
TUNER_SDA 10
TUNER_SCL
TUNER_SCL 10
T2_IF_AGC
T2_IF_AGC
11
S2_IF_AGC
S2_IF_AGC
11
QP
QP
7
IP
IP
7
LNB_LINEDROP
LNB_LINEDROP 11
13/18V_SW
13/18V_SW
11
PWR_12V
D502
L201
10uH
1
2
FB340M
C250
C298
C243
C240
C244
10UF 16V
100NF 25V
C249 220NF 16V
U202
MP8124GD
Z
8
4
AGND
PGND
11
3
12
BY PASS
SW
5
C246
100NF 25V
FB340M
PWR_12V
VDD
BST
10
6
COMP
VBOOST
LNB_EN
2
7
EN
VOUT
1
LINEDROP
9
C245
22NF 25V
TCAP
13/18V_SW
14
13
C297
13V/18V
EXTM
FB340M
100NF 25V
R223
R214
R224
DISEQC_OUT
33 OHM 1/16W
PWR_12V
PWR_12V
4,11,14,17,18
+5V_SW
+5V_SW
4,9,11,14,17
DV33
DV33
4,5,10,11,12,14,17
+3V3_TUNER
+3V3_TUNER 4
DV11
DV11
4,12
DV33SB
DV33SB
4,6,10,12
+3V3_TUNER
GND
GND
4,5,6,7,8,9,10,11,12,14,15,16,17,18
Demod
CI_INCLK
CI_INCLK
9
CI_INVALID
CI_INVALID 9
CI_INSY NC
CI_INSY NC 9
CI_INDATA7
CI_INDATA7 9
CI_INDATA6
CI_INDATA6 9
CI_INDATA5
CI_INDATA5 9
CI_INDATA4
CI_INDATA4 9
CI_INDATA3
CI_INDATA3 9
CI_INDATA2
CI_INDATA2 9
CI_INDATA1
CI_INDATA1 9
CI_INDATA0
CI_INDATA0 9
ESD & Surge
Protect
D504
TUNER_LNB
ZD201
R216 R217
ZD202
R221
D503
TU_LNB
R225
ZD203
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