A-Board (10/21) Schematic Diagram - Panasonic TX-PR42C10 Service Manual

12.16. A-Board (10/21) Schematic Diagram

82 83
TUNER5V
IC2960
SUB6V
C0DBGHF00001
R2960
10k
Cont Cn
C2961
5 4
C2960
50V
6.3V 470p
GND
1u
3
Sub
6
TUNER5V
NC
2
R2916
Vin Vo
7 1
0
C2962 C2912 C2916
6.3V 6.3V 16V
0.1u
1u 100u
BT30V
L2901
J0JCC0000278
C2914
50V
0.1u
C2907
16V
0.1u
TO 1/21
TUNER_SCL
TUNER_SDA
*R2942 0
C2922
0.1u
16V
C2940
50V
0.1u
84 85
<
ACT5V
+B_active_ANT
1
*C2901 *C2925
AGC_Monitor
*C2923 10V 16V
2
100u 0.1u
BTL 50V
0.1u
3
BT_Monitor
4
BB
5
SCL *C2927
100p
6 50V
NC
7
NC
*C2928
8
100p
SDA 50V
9
Audio-out *L2902 *R2909
J0JCC0000269 0
10
SIF-out L2904 J0JCC0000269 R2905 0
*R2941
11
0 IF-AGC IFAGC
12
NC
13
NC
14
+B
15
C2906
VB
16V
16 0.1u
IFD-out1 IFD1 R2915 C2920
220 50V
17
0.01u
NC
18
IFD-out2 IFD2
19
AFT-out
20
Video-out
21
R2927
*TU2901
!
ENG37E18KF
TO 19/21
IFAGC
IFAGC
IFD1
IFD1
IFD2
IFD2
86 87
56
A-BOARD (10/21)
!
TUNER
REF No. 2900-2999
TO 6/21
AM
SIF
TO 2/21
G-RF_AFT1
TO 8/21
MAIN_RF_CVBS
88 89 90