Dvb-T+C+T2 Tuner - Haier LET32/40T900 Service Manual

17) DVB-T+C+T2 Tuner

TUNER
PANASONIC ENV57U05D8F
+B activ e ANT
RF-AGC Monitor
Panasonic Tuner with DVB-C/T/T2
LG TDTK-G931
15
14
13
12
LG Tuner with DVB-C/T
LNA_CONTROL
C1319
1N 50V
C1323 56pF 50V
DIF1_OUT1
DIF1_OUT2
C1324 56pF 50V
TU101 +5V_ANT
ENV57U03D5F
+5V_ANT
1
2 +5V_VCC
+B
3 RF_AGC_T
5
NC
6
BT Monitor
TT_SCL
9
SCL
10 TT_SDA
SDA
11
IF Monitor
12 IF_AGC_T
IF AGC
DIF1_OUT2
13
IFD-out1
DIF1_OUT1
14
IFD_out2
TU102
NC/TDTK-G931D
1 +5V_ANT
N/C
LNA_CONTROL
2
N/C(P3)
3
N/C
4 RF_AGC_T
RF AGC
5 +5V_VCC
+B(5V)
TT_SDA
6
SDA
TT_SCL
7 39pF 50V
SCL
8
TH4 N/C
9 IF_AGC_T
TH3 N/C
10 DIF1_OUT2
TH2 DIF(+)
DIF1_OUT1
11
TH1 DIF(-)
From DEMOD MN88471
FB1037
120R/3000mA
1 2 LNA_ON/OFF
C1320
100N 16V
R1337
10K 1/16W 5%
RF_AGC_T
C1306
0.47uF 16V
C1307 5P6 50V
220pF 50V
10N 50V R1341 L1051 C1308
C1309
0.12UH
0R05 1/16W NC/220pF 50V
220pF 50V C1312
L1050
C1311 0.22uH 10%
10N 50V R1317 L1053
C1313
0.12UH
0R05 1/16W C1315
220pF 50V
C1316 5P6 50V
+5V_TUNER
FB1038
1 2 +5V_VCC
NC/120R/600mA
C1302
C1321 C1322 100N 16V
1N 50V 10uF 16V
+5V_TUNER
R1331
R1330
4K7 1/16W 5%
4K7 1/16W 5%
100R 1/16W 5%
TT_SCL R1332 TUNER_CLK
TT_SDA TUNER_DATA
R1333
100R 1/16W 5%
C1300 C1301
39pF 50V
Close to MT5135
R1336
100K 1/16W 5%
RF_AGC_S RF_AGC_H IF_AGC_T
Q1008
From MT5365
NC/BC857C
R1338
0R05 1/16W
Near to Chip
C1310
R1342 10N 50V
49.9 OHM 1/16W 1% SMD/0402
TU_FAT_IN2-
R1314
To MT5365
NC/0R05 1/16W
R1318 C1314
10N 50V
49.9 OHM 1/16W 1%
TU_FAT_IN2+
R1319
10N 50V
49.9 OHM 1/16W 1%
C1317 MT5135AD-
R1320
0R05 1/16W
R1321 To DVB-C/T DEMOD MT5135
150OHM 1/16W +/-5%
R1322
49.9 OHM 1/16W 1%
MT5135AD+
C1318
R1323
10N 50V
0R05 1/16W
89
+5V_TUNER
+5V_TUNER
FB1034
1 2
120R/600mA
C1303
10uF 16V Tuner IF output
MT5135AD-
MT5135AD+
TU_FAT_IN2+
TU_FAT_IN2-
Tuner Control
TUNER_CLK
TUNER_DATA
IF_AGC
LNA_ON/OFF
RF_AGC_H
RF_AGC_T
RF_AGC_Control
C1306 R1338 R1336 Q1008
Panasonic 470N 0R NC NC
LG 47N NC Yes Yes
From DEMOD MN88471
R1334
R1335 IF_AGC
10K 1/16W 5%
10K 1/16W 5%
From MT5365
C1304
47N16V C1305
47N16V
SMD/0402 SMD/0402
Close to MT5365
R1342/R1318 R1321
Panasonic 49.9R 150R
LG 75R
180R
+5V_TUNER 5
GND 4,5,6,7,8,9,10,11,12,13,14,15,16
MT5135AD- 15
MT5135AD+ 15
TU_FAT_IN2+ 6
TU_FAT_IN2- 6
TUNER_CLK 16
TUNER_DATA 16
IF_AGC 6
LNA_ON/OFF 6
RF_AGC_H 6,15
RF_AGC_T 15
RF_AGC_Control 15