56
12.16. A-Board (10/21) Schematic Diagram
+
S
+
IFD1
IFD2
IFAGC
IFD2
IFD1
IFAGC
*C2923
50V
0.1u
C2922
16V
0.1u
C2907
16V
0.1u
C2920
50V
0.01u
C2914
50V
0.1u
C2906
16V
0.1u
C2940
50V
0.1u
C2962
6.3V
1u
C2960
6.3V
1u
C2916
16V
0.1u
C2961
470p
50V
C2912
6.3V
100u
C0DBGHF00001
IC2960
1
Vo
2
NC
3
GND
4
Cn
Cont
5
Sub
6
Vin
7
L2904
J0JCC0000269
*L2902
J0JCC0000269
L2901
J0JCC0000278
TUNER5V
BT30V
ACT5V
SUB6V
IFAGC
G-RF_AFT1
IFD1
AM
IFD2
SIF
MAIN_RF_CVBS
TUNER_SDA
TUNER_SCL
R2915
220
R2905
0
*R2941
0
R2960
10k
*R2942
0
*R2909
0
R2916
0
*TU2901
ENG37E18KF
+B_active_ANT
1
AGC_Monitor
2
BTL
3
BT_Monitor
4
BB
5
SCL
6
NC
7
NC
8
SDA
9
Audio-out
10
SIF-out
11
IF-AGC
12
NC
13
NC
14
+B
15
VB
16
IFD-out1
17
NC
18
IFD-out2
19
AFT-out
20
Video-out
21
R2927
*C2927
50V
100p
*C2928
50V
100p
*C2925
16V
0.1u
*C2901
100u
10V
<
TUNER5V
TUNER
REF No. 2900-2999
TO 6/21
TO 2/21
TO 8/21
TO 1/21
TO 19/21
84
86
88
87
90
82
89
83
85
!
!
A-BOARD (10/21)
Summary of Contents for TX-PR42C10
Page 16: ...16 6 4 No Picture ...
Page 28: ...28 9 1 4 Adjustment Volume Location 9 1 5 Test Point Location ...
Page 38: ...38 11 3 Wiring 2 ...
Page 39: ...39 11 4 Wiring 3 ...
Page 40: ...40 ...
Page 41: ...41 12 Schematic Diagram 12 1 Schematic Diagram Note ...
Page 79: ...79 A B C D E F G H I 1 2 3 4 5 6 P BOARD COMPONENT SIDE LSEP1279BEHB ...
Page 92: ...92 14 1 2 Packing 1 ...
Page 93: ...93 14 1 3 Packing 2 ...
Page 94: ...94 14 1 4 Mechanical Replacement Parts List ...
Page 98: ...98 14 2 Electrical Replacement Parts List 14 2 1 Replacement Parts List Notes ...