A-Board (12/19) Schematic Diagram - Panasonic TX-PR42S20 Service Manual

13.17. A-Board (12/19) Schematic Diagram

! A-BOARD (12/19)
!
TU2901A
ENG37F03KF
TUNER
TNR5V
+B_active_antenna
1
BB
2
C2905 C2907
10V RF-AGC_Monitor
16V
3
100u 0.1u
NC
5
BT_Monitor
6
Audio-out
8
C2910
16V SIF-out
9
0.1u
VB1
10
Video-out
IIC_From_Demod 11
L2901
D-TNR_SCL J0JCC0000278
SCL
FE-OUT_SCL
13
TO 1,19/19
SDA
FE-OUT_SDA
14
D-TNR_SDA L2900
J0JCC0000278 VB2
15
C2908
16V IF_AGC
16
0.1u
RESET
17
IFD-out1
19
IFD-out2
20
IF_Monitor
21
From/To_Demod
IFAGC
TO 19/19
IFD1
IFD2
MUTE
AVSW-MODEL TO 10/19 STB-RESET-LCD
Q5051
SET RESET : L DSA200100L
MONITOROUT_MUTE
MUTE
OPERATE
C5050
10V
4.7u
Peaks-RESET
GENX-DEST
R5151
100
TO 3,6/19 SG-DTV_XRST STMGPIO6
R5154
SUB3.3V
47
Peaks-COMMON
R5153
TP5150
100
TO 1,3/19
XRST
TO 2/19 NRST
R5155
100
100 101
TUNER,ANALOG ASIC
ACT5V
C2917
50V
2200p
C2911
R2915
16V
0.1u
FE1.2V
L2904
ADV
J0JCC0000278
SIF
L2905 TO 8/19
J0JHC0000046
AVSW
R2918 0
MAIN_RF_CVBS
TO 11/19
TNR3.3V
L2906
J0JCC0000278
R2907 IFAGC
R2926 68
AA_FE_RST TO 4,19/19
FE_XRST / SDRAM_CHK
IFD1
IFD2
GENX
R2914
10k
SG-RF_AFT1
TO 6/19
IFAGC
IFD1
IFD2
SW_OFF_DET
R5104
Peaks-COMMON
TO 3/19 PORT15[5] POWER_DET EA23
OFF ON
GENX-DEST
R5110
100
TO 3,6/19
SG-SW_OFF_DET STMGPIO1
TO 8/19
R5105
TO 17/19
HP_MUTE_CTL STB_5V_SWON
R5152
2.2k
102 103
FE_Virtual_Module
LCD TUNER1.2V
J0JHC0000045
FE1.2V
1 VOUT 6
VIN
C2951
6.3V
4.7u
2 VSS 5
VSS
3 ON/OFF 4
NC
IC2950
C0CBCAG00031
FE1.2V
TUNER3.3V
TO 3,6,11,17/19
SG-TV_SUB_ON STMGPIO5
IC2953
C0DBFYY00049
TNR3.3V
TUNER5V
SUB5.6V
C2959
16V
0.1u
SG-TV_SUB_ON STMGPIO5
TO 3,6,11,17/19
SUB3.3V
47k
Analog ASIC
SUB5V
R5100
27k
D5100
B0ADEJ000035
R5101
100k Q5101
S DSC200100L
C5100 GENX-DEST
R5106
16V
68k
0.1u
TO 6/19
TO 6/19
STB_RST
STB_RST
SG-PD4H_DRVRST/PWM_POW_ON
R5102
TO 6/19
100k
Q5100
DSC2001S0L
C5101
R5103
10V
68k
0.47u
PANEL-D
TO 13,17/19 SOS4_PS
SOS6_SC1
SOS7_SC2
SOS8_SS
TO 13/19 SC_UHZ
D_UHZ
SOS_DCC
TO 3,6,11,17/19
STMGPIO5
SG-TV_SUB_ON
104 105
57
SUB3.3V
L2950
Peaks-COMMON TO 3/19
C2950
6.3V
4.7u CH1VAL
POLL LOSDOUT4
POLR LOSDOUT5
Source control
R4006
47k
RXD0
TXD0
R4003
47k
SUB5.6V
C2965
10V
1u
TNR3.3V AV3.3V
CE VIN
VSS
to K-PCB
to Tuner
NC VOUT
TP2952
P
R2966
C2966
10V
2.2u
TNR5V
R2959
C2961
10V VIN VOUT
1u IC2952
VSS
CE NC
C0DBGYY00281
TNR5V
A-Chip_A
HP_MUTE_CTL
Peaks-COMMON/GENX-DEST
STMSBI0
STMSBO0
SUB3.3V
A-Chip_A
R5065
10k
FC
17 GND 16 AMP_MUTE
PGND
18 FB 15
TP5001
DRV SUB9V
MONITOR_MUTE
19 14
DTV5VOUT
20 DTB9V 13
R5001
DTV5VIN
AUDIO_MUTE_IN
S 21 12
C5052
EN_DCDC
22 MUTE_VCC 11 10V 220u
C5055
J0JYC0000068
16V CD
SP_MUTE
0.1u 23 10
C5156
C5155
STB_RST
6.3V
24 AMUTE 9 6.3V
10u
10u
DRVRST
STB3.3V
25 8
STB5V_SW_ON
STB5V
26 7
TP5000
P_SOS4
27 STB1.2V 6
C5000 16V 0.1u
SC_SOS6
DRVRST_PD4
28 5
C5157 C5158 C5159
C5001 16V 0.1u
SC_SOS7
6.3V 6.3V 6.3V
29 PANEL_SOS 4
10u 10u 10u
C5002 16V 0.1u
SS_SOS8 P3.3V
TEST
30 3
C5003 16V 0.1u
D_SOS_RSV
31 P3.3V 2
R5000
SC_OHZ
UHZ S
32 1
50V 1000p Panel-D
C5004
PDP_DRVRST
IC5000 GENX-DEST
PD4H_SOS
C1ZBZ0004161
STMADIN4
ANALOG-ASIC
R5005 sLD-STMADIN4/ES0=PANEL_ALARM
STB3.3V
47k
D5000
B0ADCJ000100
R5008
8.2k
R5006
10k Q5000
DSC200100L
R5007
47k
106 107
Panel-D
R4010
DRVMUTE TO 13/19
S
DISPEN
R4011
47k
R4005
47k
R4004
47k
Analog ASIC
TO 8/19
SG-MON_MUTE
TO 3,6/19
SG-SP_HP_MUTE
TO 8/19
STB5V
STB3.3V SUB5V
L5000
R5061
145mA 15
D5052
D5051
B0JCME000076 B0ACCJ000048
STB1.2V C5058
6.3V
1u
C5160
6.3V
10u
TO 13/19
SG-PANEL_SOS/BL_SOS TO 3,6/19
108