10.
Circuit Diagrams and PWB Layouts
10-3-3
B03 Tuner
19340_502_120716.eps
120815
Tuner
B03
B03
2012-02-17
A
715G5279
Tuner
IF BPF ( for DTC86WT-17-E )
R1325
0R05 1/10W
FAT
L1303
NC/0.12UH
R1322
1K 1/10W 5%
C1325
NC/100N16V
EX_RF_AGC
TU_5V
BST_CTL_TU
TU_OSDA
RF_SWCTL
R1332
-5% 1/10W
BST_CTL_TU
Q1302
2N7002
1
2
FB1304
120R/3000mA
C1330
10uF 10V
L1306
150uH
Q1303
2N7002
R1313
100R 1/16W 5%
R1329
NC/0R05 1/16W
R1312
100R 1/16W 5%
R1314
4K7 1/16W 5
%
R1323
NC//0R05 1/16W
R1330
NC/0R05 1/16W
R1324
NC//0R05 1/16W
R1321
NC//4K7 1/16W 5%
IF_AGC_D2T
R1315
4K7 1/16W 5
%
BST_CTL
IF_AGC_S2T
GND_Tuner
R1331
1K 1/16W 5%
GND_Tuner
+5V_TUNER
+5V_SW
R1305
10K 1/16W 5%
DV33
R1301
NC/0R05 1/16W
IF_AGC_SW
GND_Tuner
GND_Tuner
R1304
NC/0R05 1/16W
TU_5V
TU_5V
TU_5V
R1309
10K 1/16W 5%
DV33
DV33
IFAGC_T
DV33
R1302
100K 1/16W 5%
H: IF_AGC_D2T( 8846 Cortrol)
L : IF_AGC_S2T ( MT5325 Control)
( DTMB, DVB-C )
R1328
100K 1/16W 5%
SDAT_DEMOD
( PAL )
T_SDA
SCLT_DEMOD
R1333
0R05 1/16W
C1324
100N16V
TU_OSCL
TU_5V
T_SCL
IFAGC_T
R1303
4K7 1/16W 5%
TIF+
GND_Tuner
N.C
1
N.C
2
Vcc1 supply tuner
3
External RF AGC
4
N.C
5
SCL
6
SDA
7
N.C
8
N.C
9
N.C
10
N.C
11
GND
12
N.C
13
N.C
14
N.C
15
N.C
16
IF 1(N)
17
IF 1(P)
18
TH1
19
TH2
20
TH
3
21
TH4
22
TU102
NC/F86WT-17-E
EX_RF_AGC
RF_AGC
(for DTV and ATV )
C1320
47N16V
R1327
10K 1/16W 5%
R1326
0R05 1/16W
C1314
NC/56pF 50V
1
2
3
Q1305
PMBS3906
For DTV (to DTMB demodulator)
R1334
0R05 1/16W
TIF-
TIF+
T2D_TIF-
R1335
0R05 1/16W
GND_Tuner
T_SDA
TIF+
GND_Tuner
R1320
200R 1/16W 5%
C1305
10N 50V
R1338
0R05 1/10W
T_SCL
BST_CTL
FAT_5325IN-
T2D_TIF-
FAT
TU_OSDA
TU_OSCL
TUNER IF to SOC
IF_AGC_SW
IF_AGC_S2T
RF_SWCTL
C1302
22pF 50V
SCLT_DEMOD
SDAT_DEMOD
T2D_TIF-
7
TUNER IF to DEMODULATOR
7
TU_OSCL
7,18
Tuner Control
TU_OSDA 7,18
FAT_5325IN-
18
RF_AGC
FAT
18
RF_SWCTL
8
I2C for DEMODULATOR (RESERVE)
IF_AGC_S2T
18
RF_AGC
18
SDAT_DEMOD 7
SCLT_DEMOD 7
IF_AGC_SW
8
BST_CTL
8
C1310
NC/100N 16V
L1301
NC/0U10 H
GND_Tuner
1
2
FB1310
120R/3000mA
GND_Tuner
1
2
FB1314
120R/3000mA
GND_Tuner
R1317
NC/100R 1/16W 5%
1
2
FB1315
120R/3000mA
TIF-
GND_Tuner
C1304
22pF 50V
GND_Tuner
1
2
FB1311
120R/3000mA
R1306
0R05 1/16W
1
2
FB1303
NC/120R/3000mA
DV33
C1315
NC/56pF 50V
TIF+
R1310
0R05 1/16W
TIF-
R1339
0R05 1/10W
R1311
0R05 1/16W
R1319
200R 1/16W 5%
GND_Tuner
1
2
FB1312
120R/3000mA
IF_AGC_D2T
IF_AGC_D2T
7
1
2
3
Q1310
PMBS3906
R1336
4K7 1/16W 5%
+
C1327
220UF 16V
R1337
4K7 1/16W 5%
R1307
0R05 1/16W
GND_Tuner
1
2
FB1316
120R/3000mA
TU_5V
GND_Tuner
R1308
0R05 1/16W
R1316
0R05 1/16W
GND_Tuner
1
2
FB1317
120R/3000mA
GND_Tuner
1
2
FB1313
120R/3000mA
EX_RF_AGC
1
2
3
Q1311
PMBS3906
L1304
NC/0.12UH
TIF-
C1306
10N 50V
C1308
NC/100P 50V
C1307
NC/220pF 50V
C1309
NC/100P 50V
C1311
10N 50V
C1312
NC/100N 16V
R1318
0R05 1/10W
GND_Tuner
C1313
NC/100N 16V
FAT_5325IN-
L1302
NC/0.22UH
1
3
2
Q1304
BC847C
1
3
2
Q1312
BC847C
RF S/W CTL
1
Bst CTL
2
Vcc1 supply tuner
3
External RF AGC
4
NC
5
SCL
6
SDA
7
NC
8
NC
9
NC
10
NC
11
GND
12
NC
13
NC
14
'broadband' IF output
15
IF AGC_EXT
16
IF1+
17
IF1-
18
TH1
19
TH2
20
TH
3
21
TH4
22
TU101
DTC86WT-17-E