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9-5-11 Tuner
T2 TUNER
TU101
ECN Tuner
TUNER3.3V
1
ANT
2
3.3V
3
TUN_SDA
SDA
C123
C124
4
TUN_SCL
SCL
10UF 6.3V
100N 16V
5
IF_N_TU
IF_N
IF_P_TU
6
IF_P
R187
7
IF_AGCT
IF_AGC_T
IF_AGC
10K 1% 1/16W
C119
ST53WS-13-E
47NF 16V
Device Address : 0xC0
3V3: TYP: 180mA, Max: 230mA
Closed to Tuner
TUNER3.3V
R178
R177
1K2 OHM
1K2 OHM
R167
6
OSDA1
R176
OSCL1
6
100R 1/16W 5%
100R 1/16W 5%
R122
TU_FAT_IN2+
0R05 1/16W
13
TH6
12
TH5
11
TH4
10
TH3
9
R123
TH2
8
TH1
TU_FAT_IN2-
0R05 1/16W
Differential Pair
+5V_SW TO TUNER3.3V
+5V_SW
C104
10uF 16V
TUN_SDA
TUN_SCL
R102
EWS_PWR
3K3 1/16W 5%
C121
C122
C106
1UF 10% 16V
56pF 50V
56pF 50V
C149
22N 25V
R120
R115
9
0R05 1/16W
0R05 1/16W
R125
R124
NC/620R
NC/620R
R121
R116
9
0R05 1/16W
0R05 1/16W
C150
22N 25V
U102
G5719TBIU
4
3
L4102
2.2uH
VIN
LX
R8151
C103
1
6
NC/22P 50V
EN
VFB
100K 1%
R8150
R8149
1K5 1%
20K 1%
Vout=0.6 x (1+100000/22000)= 3.32 V
IF PATH
TUNER
C110
C147
33P 50V
IF_P_TU
1UF 10% 16V
C148
IF_N_TU
1UF 10% 16V
C113
33P 50V
Closed to Tuner
1000 mA
(1A/60mil)
TUNER3.3V
C105
10UF 16V
DVDD3V3
4,5,6,7,9,10,11,14,15,16,17,19
DVDD3V3
+5V_SW
+5V_SW
5,12,19,20,24,29
IF_AGCT
IF_AGCT
9
EWS_PWR
15
EWS_PWR
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