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12.18. A-Board (13/22) Schematic Diagram
!
A-BOARD (13/22)
SUB3.3V
L2950
J0JHC0000045
IC2950
FE1.2V
TP2952
C0CBCAG00031
1 VOUT
6
VIN
C2951
C2950
10V
10V
2.2u
1u
2 VSS
5
VSS
3 ON/OFF
4
NC
1.2V
from ADV
MAIN_TNR_SW1
AVSW_R078PIN_FBIN2/O2
TO 11,12/22
AVSW_R076PIN_FBIN/O1
MAIN_TNR_SW2
SUB3.3V
*Q2903
B1CBHD000002
IIC_From_Peaks
A-TNR_SCL
TO 1/22
*Q2904
B1CBHD000002
A-TNR_SDA
109
110
SUB6V
TO 6/22
PG-ACTIVE_ANTENNA_DET
R2961
0
R2930
15k
TNR5V
C2907
C2905
10V
16V
*L2902
100u
0.1u
J0JHC0000046
*R2908
*L2909
6.8k
J0JCC0000278
*R2902
*R2921
0
6.8k
C2910
16V
0.1u
*L2910
J0JCC0000278
*R2903
0
*R2904
0
*R2905
0
*C2908
16V
0.1u
*R2906
0
111
112
TNR5V
R2959
0
C2959
C2961
16V
10V
0.1u
1u
VIN
VOUT
IC2952
VSS
CE
NC
C0DBGYY00281
1.2V
R2960
10k
*TU2901C
ACT5V
!
ENG39F02GF
NC
1
C2917
BB
50V
2
2200p
RF-AGC_Monitor
3
C2911
16V
0.1u
NC
5
BT_Monitor
6
NC
8
SIF-OUT
L2904
J0JCC0000278
9
+B
10
Video-out
11
SCL
13
SDA
14
AFT_out
15
SW1
16
VB
17
NC
19
SW2
20
IF_Monitor
21
<
113
114
60
to ADV
SIF
TO 8/22
to AVSW
R2918
0
TO 11/22
MAIN_RF_CVBS
to GENX
*R2911
220
SG-RF_AFT1
TO 6/22
*C2919
50V
0.01u
115
116
117
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