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Circuit Diagrams and PWB Layouts
10-4-10
Tuner/Demod
Tuner/Demod
B10
T/T2 TUNER
+3V3_TUNER
TU102
C208
C209
22uF 6.3V
100N 16V
8
1
TH1
ANT
9
R216
MAIN3V3
TH2
10
2
R217
TH3
3.3V
11
12
TH4
3
TUN_SDA
R218
TH5
SDA
13
TH6
4
TUN_SCL
R219
SCL
5
TUN_DIF-#T2
C212
C211
IF_N
6
TUN_DIF+#T2
IF_P
7
IF_AGC_T
IF_AGC
C210
1N 50V
ST42CS-2-E
1st
394GNPALALL35A
SAMSUNG DTOS40CIL034B
2nd
394GNPALALL32L
TCL ST42CS-2-E
DVB/T2 Demodulator
T2 Demod : 356G0575048607
S2 Demod : 356G0575048606
IF_AGC_S2_TUNER
R315
4K7 1/16W 5%
C259
C258
13/18V_SW
DISEQC_OUT
MAIN3V3
C223
+1.2V_T2
100N 16V
R229
R228
C224
+3.3V_T2
100N 16V
R235
12
SCL_DEMOD
22R 1/16W 5%
R231
12
SDA_DEMOD
22R 1/16W 5%
TS_T2_VAL
C235
C236
C260
TUN_DIF-#T2
C
100N 16V
C261
TUN_DIF+#T2
C
100N 16V
TPN16.1HE LA
10.
Deomd Power
U203
AZ1117CH-3.3TRG1
+5V_SW
+1.2V_T2
U204
2
3
2
VOUT
VIN
OUTPUT
INPUT
C207
C206
ADJ/GND
C242
C243
AZ1117CD-1.2TRG1
1K5 1/16W 5%
1K5 1/16W 5%
22R 1/16W 5%
TUNER_SDA 12
22R 1/16W 5%
TUNER_SCL 12
TUN_D+_DEMOD
C213
C220
TUN_D-_DEMOD
100N 16V
C225
C226
100N 16V
NC/10PF 50V
NC/10PF 50V
R323
51R
R326
51R
C237
C257
C228
100N 16V
C234
C231
100N 16V
100N 16V
U201
1
36
+3.3VA_T2
MP_A
VDD_Vana
2
35
MP_B
GND
3
34
GPIO_0
ADDR
4
33
NC
XTAL_I/CLK_IN
5
32
NC
XTAL_O
R220
6
31
SI2166 DISEQC_OUT
R221
NT78822
NC
RESETB
C214
7
30
R223
VDD_Vcore
MP_D
8
29
GND
MP_C
9
28
+1.2V_T2
VDD_VIO
VDD_Vcore
10
27
SCL_Host
GND
11
26
LNB_LINEDROP
SDA_Host
TS_ERR/GPIO_1
12
25
TS_T2_DQ7
TS_VLD
TSD7
C215
C216
100N 16V
100N 16V
C202
NC/10PF 50V
C201
NC/10PF 50V
TUN_D-_DEMOD
TUN_DIF-
7
C204
NC/150pF 50V
TUN_D+_DEMOD
TUN_DIF+
7
C203
C205
NC/10PF 50V
NC/10PF 50V
EN 58
S2 TUNER
MAIN3V3
FB204
120R 3A
TU103
3
1
2
+3.3VA_T2
MAIN3V3
1
C240
C241
+3.3V_T2
MAIN3V3
12
13
C239
14
15
10uF 16V
Grounding
NC/TDQS-A751F
Grounding
QP
C222 100N 16V
C227 100N 16V
IP
1st
2nd
RP201
22R
TS_T2_DQ7
1
8
C232
TS_T2_DQ6
2
7
3
6
100N 16V
TS_T2_DQ5
4
5
TS_T2_DQ4
TS_T2_DQ3
1
8
TS_T2_DQ2
2
7
C230 5.6pF 50V
TS_T2_DQ1
3
6
4
5
TS_T2_DQ0
X201
RP202
2
4
22R
16MHz
TS_T2_SY NC
R225
22R 1/16W 5%
CH_START
TS_T2_VAL
R226
22R 1/16W 5%
CH_VALID
C233 5.6pF 50V
NC/4K7 1/16W 5%
TS_T2_CLK
R227
22R 1/16W 5%
CH_CLK
MAIN3V3
22R 1/16W 5%
T2_DEMOD_RSTn 12
100N 16V
C247
4K7 1/16W 5%
TUN_IF_AGC
Grounding
NC/10PF 50V
C229
100N 16V
C238
100N 16V
PWR_12V
LNB POWER SUPPLY
C252
NC/100NF 25V
MAIN3V3
C253
C249 NC/220NF 16V
NC/3.3NF 50V
R287
NC/60.4K 1%
LNB_EN
7
LNB_EN
LNB_LINEDROP
13/18V_SW
DISEQC_OUT
LNB_EN:
LINEDROP:
13/18V_SW:
Low: disable
Low: 13.3/18.3V
High: 18V
High: enable
High: 14.3/19.3V
Low: 13V
MP8124 Enable Selection
Compensation Selection
back to
2016-Aug-19
div.table
K model : Samsung DNBU02112IH2
LGTuner with DVB-S/S2
C221
1
TUNER_LNB
+3V3_TUNER
TH1
LNB A
TH2
2
NC/1nF 50V
TH3
NC
TH4
3
TU3.3V
4
C217
C218
NC
5
QP
QP Output
MAIN3V3
6
IP
IP Output
7
NC
C219
R304
R306
8
IF_AGC_S2_TUNER
AGC
NC/2K7
NC/2K7
9
NC/1nF 50V
X-OUT
10
S2_TUN_SDA
R303
SDA
NC/22R 1/16W 5%
11
R305
S2_TUN_SCL
SCL
NC/22R 1/16W 5%
C254
C256
NC/33P50V
NC/33P50V
394GPASEBIL05G
LG TDQS-A751F
394GDVBSALL01A
Samsung DNBU02112IH2
IFAGC SWITCH
CH_DATA7
9
CH_DATA6
9
R242
R243
CH_DATA5
9
TUN_IF_AGC
R241
CH_DATA4
9
IF_AGC
CH_DATA3
9
0R05 1/16W
NC/0R05 1/16W
0R05 1/16W
CH_DATA2
9
C255
CH_DATA1
9
CH_DATA0
9
100N 16V
IF_AGC_T
3
2
Q202
CH_START
9
LMBT3906LT1G
CH_VALID
9
R244
CH_CLK
9
MAIN3V3
100K 1%
R246
R245
IFAGC_SW
10K
100OHM
D201
L201
NC/10uH
NC/FB340M
1
2
C298
NC/10UF 16V
U202
D202
ESD & Surge
NC/MP8124GD Z
NC/FB340M
8
4
Protect
AGND
PGND
11
3
BY PASS
SW
12
5
C250
NC/100NF 25V
10
VDD
BST
6
COMP
VBOOST
2
7
TUNER_LNB
EN
VOUT
1
LINEDROP
9
14
TCAP
13
13V/18V
EXTM
R291
NC/33K 1%
R4162
NC/1K 1/16W 5%
R293
NC/33 OHM 1/16W
ZD203
R292
NC/5.1K 1%
Tuner/Demod
B10
7
12
TUN_LNB
10
C
2016-5-25
715G7853
20140_509.eps
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