Hisense XT880 Series Service Manual page 53

U6 U6
SDVT-10A/WF2 SDVT-10A/WF2
1
1
2 TUNER_POWER
3.3V
3 TUNER_SCL
SCL
C321 C321
4 TUNER_SDA
100n/16V 100n/16V
SDA
5
GND
6
NC
7
DFAT_IN+
DLIF OUT1
8 DFAT_IN-
Near Tuner
DLIF OUT2
R397 R397
9 IF_T_AGC
IF AGC
4.7k 4.7k
C327 C327
10n/50V 10n/50V
Close to Tuner
U7 U7
LG TUNER
SIDT-10A2/111A24 SIDT-10A2/111A24
1 TUNER_POWER
3.3V
2
GND
3 TUNER_SCL
SCL
4 TUNER_SDA
SDA
5 IF_T_AGC
IF_AGC
6 DFAT_IN+
DIF_N
7
A DFAT_IN-
DIF_P
XUGUANG TUNER
L63 L63
+3.3V_TUNER
BLM18PG121SN1 BLM18PG121SN1
C322 C322
10u/10V 10u/10V
TUNER_SCL R395 R395 100R 100R OSCL0
TUNER_SDA R396 R396 OSDA0
100R 100R
C323 C323 C324 C324
33p/50V 33p/50V 33p/50V 33p/50V
IF_AGC_H
IFBPF
C365 C365
47p/50V 47p/50V
C333 C333
DFAT_IN-
1u/50V 1u/50V
C335 C335
DFAT_IN+
1u/50V 1u/50V
C366 C366
47p/50V 47p/50V
A
MB:5045
Si-Tuner POWER
+5V
N19 N19
3 4
VIN VOUT
2
VOUT
C325 C325 C326 C326
R398 R398
100n/16V 100n/16V
10u/10V 10u/10V
110R 110R
SPX1117M3-ADJLD1117A-ADJ SPX1117M3-ADJLD1117A-ADJ
1.25 x _1+180/110_ = 3.3V
R399 R399
180R 180R
C330 C330
47p/50V/NC 47p/50V/NC
L64 L64
R403 R403
R700 R700
FAT_IN-
0.22 uH 0.22 uH
100R 100R 51R 51R
R702 R702
200R 200R
L65 L65
R406 R406
R701 R701
FAT_IN+
0.22 uH 0.22 uH
100R 100R 51R 51R
C337 C337
47p/50V/NC 47p/50V/NC
A
2,3,4,5,6,7,8,9,10,11,12,13,15,16,17
2,5,6,7,8,9,10,12,15,16,17
2,12,13,16,17
3,11,16,17
3,11,16,17
8
8
8
+3.3V_TUNER
C328 C328 C329 C329
10n/50V 10n/50V 10u/10V 10u/10V
Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD
Title Title Title
SILICON TUNER SILICON TUNER SILICON TUNER
Size Size Size Document Number Document Number Document Number
A3 A3 A3 MT5651 MT5651 MT5651
Date: Date: Date: Tuesday, April 16, 2013 Tuesday, April 16, 2013 Tuesday, April 16, 2013
GND
GND
+5V
+5V
+12V
+12V
OSCL0
OSCL0
OSDA0
OSDA0
IF_AGC_H
IF_AGC_H
FAT_IN-
FAT_IN-
FAT_IN+
FAT_IN+
A
Rev Rev Rev
1.0 1.0 1.0
Sheet Sheet Sheet 14 14 14 of of of 17 17 17