Panasonic TH-P50V20A - Page 57

57
12.17. A-Board (13/22) Schematic Diagram
+
IF_Monitor
21
IFD1
IFD2
IFD1
IFD2
IFAGC
IFAGC
C2917
50V
2200p
C2907
16V
0.1u
C2911
16V
0.1u
C2961
1u
10V
C2959
16V
0.1u
*C2909
16V
0.1u
C2910
16V
0.1u
C2951
10V
2.2u
C2950
1u
10V
*C2908
16V
0.1u
C2905
10V
100u
C0DBGYY00281
IC2952
1
NC
2
VSS
3
CE
5
VOUT
4
VIN
IC2950
C0CBCAG00031
1
VOUT
2
VSS
3
ON/OFF
4
NC
5
VSS
6
VIN
L2904
J0JCC0000278
L2950
J0JHC0000045
*L2905 J0JHC0000046
*L2900
J0JCC0000278
*L2901
J0JCC0000278
*L5251
J0JCC0000278
SUB6V
ACT5V
TNR5V
FE1.2V
SUB_AI_3.3V
SUB3.3V
FE1.2V
TNR5V
FE-OUT_SCL
AA_FE_RST
IFAGC
PG-ACTIVE_ANTENNA_DET
MAIN_RF_CVBS
SIF
IFD2
IFD1
SG-RF_AFT1
FE-OUT_SDA
*R2926
68
R2960
10k
R2961
0
R2918
0
*R2914
10k
R2930
15k
*R2907
0
R2959
0
*TU2901A
ENG37F03KF
+B_active_antenna
1
BB
2
RF-AGC_Monitor
3
NC
5
BT_Monitor
6
VB1
10
Video-out
11
SCL
13
SDA
14
VB2
15
IF_AGC
16
RESET
17
IFD-out1
19
IFD-out2
20
Audio-out
8
SIF-out
9
TP2952
<
From/To_Demod
to GENX
to ADV
IIC_From_Demod
FE_XRST / SDRAM_CHK
to AVSW
109 117115114110 116111 113112
A-BOARD (13/22)
!
TO 1,22/22
TO 2,5,22/22
TO 6/22
TO 6/22
TO 8/22
TO 11/22
TO 22/22
1.2V
1.2V
!