ViewSonic N2752w-1M Service Manual page 78

8.13. ATSC Tuner
I124
GND
GND
NC
NC
NC
NC
NC
NC
RG_AGC_TP
NC
VT(+30V)
IF+
IF-
IF_AGC
TUNER_IF_TP
SCL
SDA
GND
BP(+5V)
NC
AFT
SIF
CVBS
GND
GND
GND
GND
GND
GND
PORT TUNER DTVS203CH201M
ViewSonic Corporation
TH1
TH2
1
+30V_TUNER
2
L156
3
4
SG20-1H
5
C311 L0805
6
0.1U
7
C0603
8
9
10
11
12
13
14
15
16
17
L157
18
19
SG20
20
C313 L0805
21 + C314
0.1U 10U/50V
C0603
CE025050
TH3
TH4
TH5
TH6
TH7
TH8
14 IF_AGC
14 2nd_IF+
14 2nd_IF-
T_SDA_5111
T_SCL_5111
TUNER INTERFACE
75
N2752w-1M
Confidential - Do Not Copy
2nd_IF-
2nd_IF+
ROUTE SYMMETRICALLY
R161
C315 4.7K
R0603
0.01U
C0603
Close to Tuner
+5V_TUNER
R162 100 R0603
R160 100 R0603
IF_AGC
2nd_IF+
2nd_IF-
T_SDA_5111 3
[1,2,4,5,6,7,8]
T_SCL_5111 3
IF_AGC
T_SCL_5111
T_SDA_5111
+30V_TUNER
[2] +30V_TUNER
+5V_TUNER
[2] +5V_TUNER
GND
GND
GLOBAL SIGNAL