57
13.17. A-Board (12/19) Schematic Diagram
+
S
S
S
P
+
S
P
S
IF_Monitor
21
S
IFD2
IFAGC
IFD2
IFD1
IFAGC
IFD1
C5100
0.1u
16V
C5001
16V
0.1u
C5002
16V
0.1u
C5003
16V
0.1u
C5000
16V
0.1u
C5058
6.3V
1u
C5055
16V
0.1u
C5050
10V
4.7u
C5159
10u
6.3V
C5155
10u
6.3V
C5156
10u
6.3V
C5157
10u
6.3V
C5160
10u
6.3V
C5158
10u
6.3V
C5004
50V
1000p
C5101
0.47u
10V
C5052
10V
220u
D5051
B0JCME000076
D5052
B0ACCJ000048
D5100
B0ADEJ000035
D5000
B0ADCJ000100
C1ZBZ0004161
IC5000
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
L5000
J0JYC0000068
STB5V
SUB3.3V
SUB3.3V
SUB3.3V
SUB9V
P3.3V
SUB5V
STB3.3V
STB3.3V
SUB5V
STB1.2V
R5001
R5000
R5105
TP5001
TP5150
TP5000
SC_UHZ
STMGPIO5
SOS7_SC2
STMGPIO6
SOS6_SC1
STMSBO0
SG-PD4H_DRVRST/PWM_POW_ON
SOS8_SS
SOS4_PS
STMSBI0
SOS_DCC
STB_5V_SWON
HP_MUTE_CTL
STB_RST
HP_MUTE_CTL
D_UHZ
STB_RST
STMADIN4
PDP_DRVRST
MONITOROUT_MUTE
XRST
NRST
AMP_MUTE
EA23
STMGPIO1
Q5000
DSC200100L
Q5100
DSC2001S0L
Q5101
DSC200100L
Q5051
DSA200100L
R5005
47k
R5152
2.2k
R5151
100
R5106
68k
R5100
27k
R5104
47k
R5102
100k
R5061
15
R5052
1M
R5154
47
R5050
47k
R5103
68k
R5110
100
R5155
100
R5007
47k
R5153
100
R5008
8.2k
R5065
10k
R5101
100k
R5051
47k
R5006
10k
IFAGC
IC2950
C0CBCAG00031
1 VOUT
2 VSS
3 ON/OFF
4
NC
5
VSS
6
VIN
R2918
0
FE1.2V
L2906
J0JCC0000278
C2910
16V
0.1u
L2950
J0JHC0000045
R2959
AV3.3V
FE1.2V
SUB5.6V
C2959
16V
0.1u
SG-RF_AFT1
R2926
68
AA_FE_RST
R2914
10k
FE-OUT_SCL
STMGPIO5
C2966
10V
2.2u
C0DBFYY00049
IC2953
1
VIN
2
VSS
3
CE
5
VOUT
4
NC
C2905
10V
100u
R2907
IFD2
SUB3.3V
STMGPIO5
L2904
J0JCC0000278
R2966
R2915
L2901
J0JCC0000278
FE-OUT_SDA
TNR3.3V
C2950
6.3V
4.7u
TNR3.3V
ACT5V
SIF
C2911
16V
0.1u
IFD1
C2951
6.3V
4.7u
C0DBGYY00281
IC2952
1
NC
2
VSS
3
CE
5
VOUT
4
VIN
C2917
50V
2200p
SUB5.6V
MAIN_RF_CVBS
L2900
J0JCC0000278
TNR5V
TP2952
C2965
10V
1u
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
L2905
J0JHC0000046
C2961
1u
10V
TNR5V
C2907
16V
0.1u
C2908
16V
0.1u
DRVMUTE
R4005
47k
LOSDOUT4
R4003
47k
CH1VAL
LOSDOUT5
R4010
R4011
47k
RXD0
R4006
47k
R4004
47k
TXD0
Analog ASIC
SW_OFF_DET
Peaks-RESET
MUTE
SET RESET : L
MUTE
STB-RESET-LCD
OPERATE
AVSW-MODEL
GENX-DEST
Peaks-COMMON
Peaks-COMMON
PORT15[5] POWER_DET
Analog ASIC
GENX-DEST
A-Chip_A
145mA
ON
OFF
sLD-STMADIN4/ES0=PANEL_ALARM
PANEL-D
SG-PANEL_SOS/BL_SOS
GENX-DEST
SG-SP_HP_MUTE
SG-MON_MUTE
SG-DTV_XRST
Panel-D
Peaks-COMMON/GENX-DEST
A-Chip_A
PD4H_SOS
SG-TV_SUB_ON
GENX-DEST
SG-SW_OFF_DET
A-BOARD (12/19)
102
103
100
104
105
108
TUNER,ANALOG ASIC
101
106
!
107
FE_XRST / SDRAM_CHK
D-TNR_SCL
TUNER5V
SG-TV_SUB_ON
GENX
IIC_From_Demod
to K-PCB
AVSW
FE_Virtual_Module
to Tuner
From/To_Demod
TUNER3.3V
ADV
SG-TV_SUB_ON
LCD TUNER1.2V
D-TNR_SDA
POLL
DISPEN
POLR
Source control
Peaks-COMMON
Panel-D
TO 1,19/19
TO 1,3/19
TO 2/19
TO 3/19
TO 3/19
TO 3,6/19
TO 3,6/19
TO 3,6,11,17/19
TO 3,6,11,17/19
TO 3,6,11,17/19
TO 3,6/19
TO 3,6/19
TO 4,19/19
TO 6/19
TO 6/19
TO 6/19
TO 6/19
TO 8/19
TO 8/19
TO 8/19
TO 8/19
TO 10/19
TO 11/19
TO 19/19
TO 17/19
TO 13,17/19
TO 13/19
TO 13/19
TO 13/19
TNR3.3V
TNR5V
ANALOG-ASIC
TUNER
!
FE1.2V
Summary of Contents for TX-PR42S20
Page 21: ...21 7 4 No Picture ...
Page 38: ...38 ...
Page 40: ...40 12 3 Wiring 2 ...
Page 41: ...41 13 Schematic Diagram 13 1 Schematic Diagram Note ...
Page 77: ...77 A B C D E F G H I 1 2 3 4 5 6 P BOARD COMPONENT SIDE LSEP1287BEHB ...
Page 88: ...88 15 1 2 Exploded View 2 ...
Page 89: ...89 15 1 3 Packing 1 ...
Page 90: ...90 15 1 4 Packing 2 ...
Page 91: ...91 15 1 5 Mechanical Replacement Parts List ...
Page 95: ...95 15 2 Electrical Replacement Parts List 15 2 1 Replacement Parts List Notes ...