Circuit Diagrams and PWB Layouts
10.
10-3-10
Tuner/Demodulator
19970_509.eps
Tuner/Demod
B10
B10
2015-06-25
4
715G7673
Tuner/Demod
FB203
120R
1
2
+3.3V_T2
MAIN3V3
C239
10uF 16V
MAIN3V3
C240
100N 16V
+1.2V_T2
C241
10uF 16V
U204
AZ1117CD-1.2TRG1
ADJ/GND
1
OUTPUT
2
INPUT
3
Deomd Power
+3.3VA_T2
MAIN3V3
FB204
120R
1
2
D202
FB340M
1
2
IFAGC SWITCH
C235
120pF 50V
Q202
MMBT3906
R245
100OHM
IF_AGC_T
R246
10K
TUN_IF_AGC
R241
0R05 1/16W
MAIN3V3
C255
100N 16V
R244
100K 1%
D203
FB340M
1
2
TUN_DIF- 7
R231
22R 1/16W 5%
7
R228
1K5 1/
16W
5%
LG TDQS-A751F
394GPASEBIL05G
2nd
394GDVBSALL01A
1st
Samsung DNBU02112IH2
D201
FB340M
1
2
C202
NC/10PF 50V
IF_AGC 7
CH_START 9
CH_VALID 9
CH_DATA1 9
CH_CLK 9
CH_DATA0 9
CH_DATA4 9
CH_DATA3 9
CH_DATA2 9
CH_DATA7 9
CH_DATA6 9
CH_DATA5 9
C222
100N 16V
IP
C227
100N 16V
R323
51R
R326
51R
QP
C205
NC/10PF 50V
TUN_D+_DEMOD
C242
100N 16V
C243
10uF 16V
IF_AGC_T
LNB_EN
7
MAIN3V3
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
LNB_LINEDROP
R216
1K5 1/16W 5%
C211
68P 50V
R217
1K5 1/16W 5%
C203
NC/10PF 50V
C210
1N 50V
R229
1K5 1/
16W
5%
T2_DEMOD_RSTn 12
QP
R303
22R 1/16W 5%
S2_TUN_SDA
R304
2K7
MAIN3V3
S2_TUN_SCL
R305
22R 1/16W 5%
C254
33P50V
R306
2K7
C256
33P50V
C217
100N
16V
+3V3_TUNER
C218
10U
F
6.
3V
FB205
120R
1
2
S2 TUNER
LGTuner with DVB-S/S2
C219
1nF 50V
C221
1nF 50V
TU103
TDQS-A751F
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
R219
22R 1/16W 5%
13/18V_SW
DISEQC_OUT
C231
100N 16V
TUNER_SDA 12
TUNER_LNB
TUNER_SCL 12
R242
0R05 1/16W
SCL_DEMOD
12
SDA_DEMOD
12
394GNPALALL35A
K
H/T
MAIN3V3
C228
N
C
/10PF
50V
C257
N
C
/10PF
50V
C201
NC/10PF 50V
R211
0R05 1/16W
394GPASEBIL02G
R315
4K7 1/16W 5%
C258
100N
16V
C259
N
C
\100N
F
16V
IF_AGC_S2_TUNER
R243
NC/0R05 1/16W
LG TDSY-G430D
FB201
120R
1
2
C204
NC/150pF 50V
C212
68P 50V
TUN_DIF-#T2
#T2
T/T2 TUNER
R214
0R05 1/16W
R215
0R05 1/16W
R212
0R05 1/16W
Grounding
C234
100N 16V
#T2
R218
22R 1/16W 5%
TUN_DIF-#T2
C208
100N 16V
C
C
R
R
ST42CS-2-E
IP
IFAGC_SW 12
TS_T2_DQ7
T
S_T
2_D
Q6
T
S_T
2_D
Q5
C215
100N 16V
X201
16MHz
1
2
4
3
R221
22R 1/16W 5%
R224
0R05 1/16W
R222
0R05 1/16W
+1
.2
V
_
T
2
TUN_D-_DEMOD
U201
Si2166-B22-GM
MP_A
1
MP_B
2
GPIO_0
3
DISEQC_CMD
4
DISEQC_IN
5
DISEQC_OUT
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_SYN
C
13
T
S_C
LK
14
T
S_D
0/
SER
15
TS
_
D
1
16
TS
_
D
2
17
TS
_
D
3
18
TS
_
D
4
19
VD
D
_Vc
ore
20
GN
D
21
VD
D
_VI
O
22
TS
D5
23
TS
D6
24
XTAL_I/CLK_IN
33
ADDR
34
GND
35
VDD_Vana
36
S_AD
C
_I
P
37
S_AD
C
_I
N
38
S_AD
C
_QP
39
S_AD
C
_QN
40
NC
41
NC
42
NC
43
CL
K
_
IN_
O
UT
44
SD
A_T
45
SC
L_T
46
GN
D
47
VD
D
_Vc
ore
48
EPad
49
TUN_D+_DEMOD
C220
100N 16V
C213
100N 16V
+1.2V_T2
+3.3VA_T2
+3.3V_T2
+3
.3
V
_
T
2
C214
100N 16V
C216
100N 16V
C223
100N 16V
R220
NC/4K7 1/16W 5%
MAIN3V3
+1
.2
V
_
T
2
+1.2V_T2
SI2166 S_ADC_QP
SI2166 S_ADC_QN
SI2166 S_ADC_IP
SI2166 S_ADC_IN
C224
100N 16V
SI2166 DISEQC_OUT
DVB/T2 Demodulator
C233 5.6pF 50V
TUN_IF_AGC
C230 5.6pF 50V
CH_VALID
T
S_T
2_SYN
C
CH_START
RP201
22R
1
2
3
4
8
7
6
5
TS_T2_CLK
IF_AGC_S2_TUNER
TS_T2_VAL
TS_T2_SY NC
TS_T2_DQ2
TS_T2_DQ0
TS_T2_DQ7
TS_T2_DQ6
TS_T2_DQ5
TS_T2_DQ4
R227
22R 1/16W 5%
TS_T2_DQ1
TS_T2_DQ3
C247
NC/10PF 50V
R225
22R 1/16W 5%
R226
22R 1/16W 5%
RP202
22R
1
2
3
4
8
7
6
5
C237
100N 16V
T
S_T
2_C
LK
T
S_T
2_D
Q1
T
S_T
2_D
Q0
C238
100N 16V
C226
NC/10PF 50V
C225
NC/10PF 50V
C207
100N 16V
+5V_SW
C206
10uF 16V
U203
AZ1117CH-3.3TRG1
A
DJ(
G
ND)
1
VOUT
2
VIN
3
4
4
C209
22UF 10V
TS_T2_VAL
R223
4K7 1/16W 5%
C229
100N 16V
T
S_T
2_D
Q2
C232
100N 16V
T
S_T
2_D
Q4
T
S_T
2_D
Q3
TUN_SDA
TUN_SCL
CH_CLK
C260
100N 16V
TUN_D-_DEMOD
SAMSUNG DTOS40CIL034B
S2_T
U
N
_SD
A
S2_T
U
N
_SC
L
C236
120pF 50V
C261
100N 16V
C244
22uF 25V
C245
10U
F
25V
13/18V_SW
C253
47NF 16V
R286
10K
R287
20K 1/16W 5%
L202
1uH
L201
22uH
ZD202
NC/P
JS
D2
4
CW
1
2
R288
100K 1%
U202
MP8126DF-LF-Z
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
R289
10K
DISEQC_OUT
R290
N
C
/0R
05 1/
16W
ZD201
NC/P
JS
D2
4
CW
1
2
R291
33K 1/
16W
5%
C246
22NF 25V
R292
10K
R293
33 OHM 1/16W
Q201
MMBT3904
1
3
2
C296
100N 16V
TUNER_LNB
R294
2.
2K 1/
4W
R295
N
C
/100K 1/
16W
5%
LNB_EN
R296
2.
2K 1/
4W
MAIN3V3
LNB_LINEDROP
R297
39K 1/16W 5%
R298
N
C
/100K 1/
16W
5%
PWR_12V
R299
10K
C248
NC/470PF 50V
C249
220nF 16V
R300
100K 1%
R301
N
C
/100K 1/
16W
5%
MAIN3V3
PWR_12V
R302
10K
PWR_12V
LNB POWER SUPPLY
13/18V_SW:
Low: 13V
High: 18V
LINEDROP:
Low: 13/18V
High: 14/19V
C250
100NF 25V
LNB_EN:
Low: disable
High: enable
C251
10UF 25V
1210 TYPE
C298
10UF 16V
C252
100NF 25V
C297
100N
F
25V
+3V3_TUNER
FB202
120R
1
2
R235
22R 1/16W 5%