Circuit Diagrams and PWB Layouts
10.
10-2-10
Tuner/T2 demod
19790_509.eps
Tuner/T2 demod
B10
B10
2014-10-22
4
715G6947
Tuner/T2 demod
TU102
ANT
1
3.3V
2
SDA
3
SCL
4
IF_N
5
IF_P
6
IF_AGC
7
TH1
8
TH2
9
TH3
10
TH4
11
TH5
12
TH6
13
C239
NC
TU103
TH1
12
TH2
13
TH3
14
TH4
15
LNB A
1
NC
2
TU3.3V
3
NC
4
QP Output
5
IP Output
6
NC
7
AGC
8
X-OUT
9
SDA
10
SCL
11
C215
NC
TS_T2_DQ7
T
S
_T
2_D
Q6
T
S
_T
2_D
Q5
T2_DEMOD_RSTn
X201
NC
1
2
4
3
S
2
T2
_
TUN_
S
CL
H/T model : TCL ST42CS-2-E
K model : Samsung DTOS40CIL034B
C221
NC
C217
NC
C2
3
4
NC
C132
NC/10PF 50V
R318
NC
R322
NC
R319
NC
S
2
T2
_
TUN_
S
DA
U201
NC
MP_A
1
MP_B
2
GPIO_0
3
NC
4
NC
5
NC
6
VDD_Vcore
7
GND
8
VDD_VIO
9
SCL_Host
10
SDA_Host
11
TS_VLD
12
XTAL_O
32
RESETB
31
MP_D
30
MP_C
29
VDD_Vcore
28
GND
27
TS_ERR/GPIO_1
26
TSD7
25
T
S
_
S
YN
C
1
3
T
S
_C
LK
14
T
S
_D
0/
S
ER
15
T
S
_D
1
16
T
S
_D
2
17
T
S
_D
3
1
8
T
S
_D
4
19
V
DD_
V
co
re
20
GN
D
21
V
DD_
V
IO
22
T
S
D5
2
3
T
S
D6
24
XTAL_I/CLK_IN
33
ADDR
34
GND
35
VDD_Vana
36
NC
3
7
NC
38
NC
3
9
NC
40
AD
C
_P
41
AD
C
_N
42
NC
4
3
C
LK_I
N
_OU
T
44
S
DA
_
T
45
S
C
L_T
46
GN
D
47
VD
D
_Vc
ore
4
8
EP
a
d
49
TUN_DIF-_DEMOD
+
1
.2
V
_
T2
_DEMOD
C220 NC
C213 NC
R315
NC
QP
+1.2V_T2
+
3
.3
V_T
2
+3.3V_T2
C216
NC
C214
NC
R316
NC
C223
NC
C211
NC
DV33
S
I2166
S
_ADC_QN
+
1
.2
V
_
T2
+1.2V_T2
S
I2166
S
_ADC_QP
S
I2166
S
_ADC_IN
S
I2166
S
_ADC_IP
Pin-to-Pin compatible
with Si2166 (DVB_S/S2)
R321
NC
C224
NC
C240
NC
C243
NC
T2 Demod : 356G0575048607
S2 Demod : 356G0575048606
DVB-T/T2 Demodulator
SI2166 DISEQC_OUT
C135
NC/10PF 50V
C236
NC
13/18V_SW
C253
NC
QN
IN
R215
NC
D502
NC
1
2
R227 NC
D503
NC
1
2
D504
NC
1
2
L202
NC
L201
NC
ZD202
NC
1
2
R2
1
3
NC
U202
NC
SGND
1
BY PASS
2
VDD
3
COMP
4
EN
5
LINEDROP
6
POK
7
TCAP
10
ILIMIT
11
VOUT
12
VBOOST
13
BST
14
SW
15
PGND
16
13V/18V
8
EXTM
9
EP
17
R210
NC
R221
NC
DISEQC_OUT
ZD201
NC
1
2
C233 NC
R212
NC
C245
NC
R225
NC
R224
NC
Q201
NC
1
3
2
C296
NC
R216
NC
TUNER_LNB
R214
NC
R217
NC
LNB_EN
R226
NC
DV33
LNB_LINEDROP
T2_IF_AGC_TUNER
R339
NC
R223
NC
IFAGC SWITCH
PWR_12V
IF_AGC
R208
NC
Tuner
SoC
Demod IC
R344
NC
C248 NC
Q202
NC
R345
NC
C249 NC
IF_AGC_T
R209
NC
R346
22R 1/16W 5%
R337
0R05 1/16W
T2_IF_AGC_TUNER
R211
NC
C255
NC/100NF 16V
DV33
R341
0R05 1/16W
PWR_12V
DV33
PWR_12V
IFAGC_SW
R222
NC
C230 NC
C
227
NC
LINEDROP:
Low: 13/18V
High:
14/19V
13/18V_SW:
Low: 18V
High: 13V
LNB POWER SUPPLY
R218
NC
R220
NC
S2T2_TUN_SCL
S2T2_TUN_SDA
R207
NC
DV33
R219
NC
C241
NC
C242
NC
S2_TUNER_SCL
S2_TUNER_SDA
C246
NC
LNB_EN:
Low: disable
High: enable
ESD & Surge
Protect
+3V3_VCC_S2
C209
NC
+3V3_TUNER
T
S
_T
2_
S
YN
C
CI_INSY NC
CI_INCLK
RP201
NC
1
2
3
4
8
7
6
5
FB203
NC
1
2
C208
NC
CI_INVALID
CI_INDATA4
CI_INDATA3
CI_INDATA2
CI_INDATA1
CI_INDATA0
CI_INDATA7
CI_INDATA6
CI_INDATA5
TS_T2_SY NC
TS_T2_CLK
TS_T2_DQ0
TS_T2_DQ7
TS_T2_DQ6
TS_T2_DQ5
TS_T2_DQ4
TS_T2_VAL
R331
NC
TS_T2_DQ1
TS_T2_DQ3
TS_T2_DQ2
C247
NC
R328
NC
R329
NC
RP202
NC
1
2
3
4
8
7
6
5
C237
NC
C131
NC/10PF 50V
R336
NC
NC
NC
S2T2_DEMOD_SCL
Yes
Yes
R343
R335
NC
Yes
R338
R336
H
T2/K
R338
NC
NC
Yes
R335
NC
DV33
S2T2_DEMOD_SDA
T
S
_T
2_C
LK
S2_T2_SDA
S2_T2_SCL
R343
NC
C251
NC
T
S
_T
2_D
Q0
T
S
_T
2_D
Q1
C238
NC
C
226
NC
C
225
NC
C244
NC
FB105
120R 1A
1
2
+5V_SW
R201
1K5 1/16W 5%
TUNER_SDA
TUNER_SCL
C136
NC/150pF 50V
C202
100NF 16V
C256
68P 50V
R139
0R05 1/16W
R140
0R05 1/16W
TUN_DIF-#T2
TUN_SCL
R203
100R 1/16W 5%
#T2
R202
1K5 1/16W 5%
R142
0R05 1/16W
T2 TUNER
R141
0R05 1/16W
TUN_DIF-
S2T2_DEMOD_SCL
R137
0R05 1/16W
R138
0R05 1/16W
C138
NC/10PF 50V
DV33
LGTuner with DVB-S/S2
TUN_SDA
S2 TUNER
C231
1NF 50V
R204
100R 1/16W 5%
+3V3_TUNER
U203
AZ1117CH-3.3TRG1
AD
J
(GN
D
)
1
VOUT
2
VIN
3
4
4
C257
68P 50V
TDQS-A751F
R340
22R 1/16W 5%
#T2
IF_AGC_T
TUN_DIF-#T2
C203
100NF 16V
S2_TUNER_SCL
S2_TUNER_SDA
IF_AGC_S2_TUNER
C201
10UF 10V
TUNER_LNB
C210
NC
C207
NC
IP
co-layout
LGTuner with DVB-C/T/T2
from scaler
ST42CS-2-E
+3V3_TUNER
IP
S2T2_DEMOD_SDA
C204
22UF 10V
C250
NC
DISEQC_OUT
13/18V_SW
TUN_DIF-_DEMOD
TUN_SDA
LNB_LINEDROP
_DEMOD
TUN_SCL
R323
NC
C232
NC
TS_T2_VAL
FB211
NC
1
2
IF_AGC_S2_TUNER
R342
NC
C218
NC
C222
NC
R326
NC
R325
NC
DV33
+1.2V_T2
+3.3VA_T2
C235
NC
+3.3V_T2
DV33
AVDD1V2
IN
C2
2
8
NC
FB208
NC
1
2
FB210
NC
1
2
C298
NC
R320
NC
C212
NC
C
229
NC
QP
T
S
_T
2_D
Q4
T
S
_T
2_D
Q
3
T
S
_T
2_D
Q2
C297
NC
C219
NC
QN
AVDD1V2
4
AVDD1V2
PWR_12V
4,17
PWR_12V
Tuner
GPIO
IFAGC_SW
7
IFAGC_SW
DV33
4,5,7,10,11,12,14,17,18
DV33SB
4,6,10,11,12,18
+5V_SW
4,9,11,16,17,18
GND
4,5,6,7,8,9,10,11,12,14,15,16,17,18
+5V_STB
4,6
DV11
4,12
TUN_DIF-
7
TUNER_SCL 11
TUNER_SDA 11
IF_AGC
7
7
TUNER_SCL
TUNER_SDA
TUN_DIF-
+5V_SW
+5V_STB
DV33
DV11
IF_AGC
LNB_EN
GND
DV33SB
Demod
LNB_EN
11
CI_INCLK
CI_INDATA0
S2_T2_SDA
CI_INDATA2
CI_INDATA1
CI_INSY NC
CI_INVALID
CI_INDATA7
CI_INDATA6
CI_INDATA5
CI_INDATA4
CI_INDATA3
CI_INSY NC
9
CI_INVALID
9
CI_INCLK
9
S2_T2_SCL
11
CI_INDATA3 9
CI_INDATA6 9
CI_INDATA7 9
CI_INDATA2 9
CI_INDATA4 9
CI_INDATA5 9
S2_T2_SDA
11
CI_INDATA0 9
CI_INDATA1 9
T2_DEMOD_RSTn
T2_DEMOD_RSTn 7
S2_T2_SCL