59
13.17. A-Board (13/22) Schematic Diagram
+
IF_Monitor
21
S
S
+
IFD1
IFD2
IFD1
IFD2
IFAGC
IFAGC
STB_RST
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
MAIN_RF_CVBS
SIF
IFD2
IFD1
SG-RF_AFT1
FE-OUT_SDA
*R2926
68
R2960
10k
R2961
0
R2918
0
*R2914
10k
*R2907
0
R2959
0
*TU2901
ENGF7801KF
+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
D5454
B0ADEJ000035
STB_5V_SWON
P5V
Q5434
DSC2001S0L
R5422
68k
R5421
100k
SG-P3.3V_DET
R5424
68k
R5420
27k
R5423
100k
Q5433
DSC2001S0L
PG-P5V_DET
PD_XRST
R5473
47k
NG-SW_OFF_DET
R5472
47
SUB3.3V
R5485
100
SUB5V
C5474
0.1u
16V
STB_RST
VJ5486
R5413
100k
TP5470
R5475
12k
R5419
68k
SUB3.3V
R5418
100k
C5470
0.01u
16V
SG-DTV_XRST
IC5470
C0EBM0000026
1
OUT
2
Vdd
3
GND
5
Cd
4
NC
D5470
B0ADEJ000035
Q5475
DSC2001S0L
R5571
68k
C5471
10V
0.047u
R5486
47k
R5471
100
R5474
10k
R5155
100
C5473
25V
0.01u
C5475
0.47u
10V
R5470
2.2k
F15V
PA_NRST
Q5478
DSC200100L
PD_XIRQ5
R5412
27k
SUB9V
C5490
16V
0.1u
R5457
0
R5478
47k
SUB3.3V
PG-PANEL_VCC_ON
R5482
15
AMP_MUTE
Q5476
B1ABCF000231
SG-MON_MUTE
D_UHZ
R5489
0
B0ACCJ000048
D5482
R5528
10k
PD4H_DRVRST
STB3.3V
C5438
16V
0.1u
C5485
16V
0.1u
STB3.3V
VJ5451
SG-TV_SUB_ON
R5493
10k
SC_UHZ
SOS4_PS
C1ZBZ0004161
IC5481
1
UHZ
2
P3.3V
3
TEST
4
PANEL_SOS
5
DRVRST_PD4
6
STB1.2V
7
STB5V
8
STB3.3V
9
AMUTE
10
SP_MUTE
11
MUTE_VCC
12
AUDIO_MUTE_IN
13
DTB9V
14
MONITOR_MUTE
15
FB
16
GND
17
FC
18
PGND
19
DRV
20
DTV5VOUT
21
DTV5VIN
22
EN_DCDC
23
CD
24
STB_RST
25
DRVRST
26
STB5V_SW_ON
27
P_SOS4
28
SC_SOS6
29
SC_SOS7
30
SS_SOS8
31
D_SOS_RSV
32
SC_OHZ
HP_MUTE_
SG-SP_HP_MUTE
R5477
10k
C5435
16V
0.1u
SUB5V
R5476
47k
C5488
6.3V
1u
SG-PD4H_DRVRST
STB_RST
SOS_DCC
C5487
6.3V
1u
SOS8_SS
PG-PANEL_SOS
L5480
J0JYC0000068
R5479
8.2k
SOS7_SC2
D5450
B0ADCJ000100
TP5401
C5482
10V
220u
STB5V
C5436
16V
0.1u
R5481
4.7k
D5481
B0JCME000076
C5437
16V
0.1u
SOS6_SC1
R2930
15k
PG-ACTIVE_ANTENNA_DET
TUNER1.2V
Demod
GENX
ADV
Demod
FE_XRST / SDRAM_CHK
AVSW
TUNER5V
115
113
111
110
109
112
116
114
117
DET_HOGO
GENX-DEST
Peaks-COMMON
POWER_DET
GENX-DEST
Peaks-COMMON
NRST ADD FOR A-CHIP
RESET_POWER_DET
STB-RESET-LCD/PDP
STB-RESET-MODEL
ADV_A-DEST
AVSW/A-Chip_A
PD4_SOS
1.2V
ACTIVE ANTENNA
TUNER,STB-RESET
A-BOARD (13/22)
!
TNR5V
RESET
ANALOG-ASIC
DVB TUNER 1
TO 1,22/22
TO 2,3,4,22/22
TO 6,14/22
TO 6,18/22
TO 6,14,15/22
TO 6,14/22
TO 6/22
TO 6/22
TO 6/22
TO 6/22
TO 6/22
TO 6/22
TO 6/22
TO 6/22
TO 9/22
TO 9,11/22
TO 9/22
TO 11/22
TO 18/22
TO 22/22
TO 19/22
TO 18/22
TO 14/22
TO 14/22
TO 14/22
TO 14/22
TO 19/22
!
Содержание TX-P50S20B
Страница 20: ...20 7 4 No Picture ...
Страница 40: ...40 12 3 Wiring 2 ...
Страница 41: ...41 12 4 Wiring 3 ...
Страница 42: ...42 ...
Страница 43: ...43 13 Schematic Diagram 13 1 Schematic Diagram Note ...
Страница 81: ...81 14 Printed Circuit Board 14 1 P Board A B C D E F G H I 1 2 3 4 5 6 P BOARD FOIL SIDE ETX2MM806MEH ...
Страница 83: ...83 A B C D E F G H I 1 2 3 4 5 6 P BOARD COMPONENT SIDE ETX2MM806MEH ...
Страница 96: ...96 15 1 2 Exploded View 2 ...
Страница 97: ...97 15 1 3 Packing 1 ...
Страница 98: ...98 15 1 4 Packing 2 ...
Страница 99: ...99 15 1 5 Mechanical Replacement Parts List ...
Страница 102: ...102 15 2 Electrical Replacement Parts List 15 2 1 Replacement Parts List Notes ...