A-Board (13/19) Schematic Diagram - Panasonic TX-PR42S20 Service Manual

13.18. A-Board (13/19) Schematic Diagram

! A-BOARD (13/19)
TO
P5V
SC-BOARD
(SC20)
A20
C9101 C9100
25V 10V
0.01u 10u
P5V 1
TP9081
2
SIU TP9082
R9208
SCCLK 3 EXB2HV470JV
SC_SIU
4
GND TP9083 SC_SCCLK
SC_CERS
CERS 5
TP9084
SC_CRC2
CRC2 6 SC_OC2
SC_CRC1
7
GND
TP9085
SCNRST
OC2 8 SC_OC1
TP9086
9
CRC1 TP9087
SCNRST 10
TP9088
11
OC1
GND 12
TP9089
CPH1 13 R9198
TP9090
EXB28V101JX
14
CIS
SOS6_SC1
SOS6_SC1 15 SOS7_SC2
SC_UHZ
16
SOS7_SC2
GND 17
18
UHZ
SC_CPH1
GND 19
TP9091
SC_CIS
CEL 20 SC_CEL
TP9092
SC_CSH
21
GND
SC_CSL
CSH 22 SC_CMH
SC_CML
23
GND
TP9093
SC_SEL2
CSL 24
R9209
EXB2HV470JV
25
GND TP9094
CMH 26
TP9095
27
CML
P15V
28
NC
+15V 29
C9103 C9102
25V 25V
30
+15V
0.01u 10u
NC 31
TP9096
32
SEL2 TP9097
R9224 47 SC_SEL
SEL 33
TP9098
R9226 47 SC_CRC3
34
CRC3 TP9099
R9247 47 SC_CML2
RSV 35
P_S0
P_S0
TO 17/19
P_S1
P_S1
PANEL_MAIN_ON
TO 6,17/19 PANEL_MAIN_ON
SOS4_PS
TO 12,17/19 SOS4_PS
109 110
DC-DC CONVERTER
P15V
C9812 C9813
10u 10u
25V
25V
P5V
TP9203
L9801
G1C100MA0416
R9899
P15V
SC_SIU
Y8
11 GND 10
SC_SCCLK PD_SIU
Y7 C9828
A8 C9827
12 9 25V
25V
SC_CERS PD_SCCLK
Y6 10u 10u
13 A7 8 P3.3V
SC_CRC2 PD_CERS L9802
Y5
A6 G1C100MA0416
14 7
SC_OC2 PD_CRC2
Y4
15 A5 6
SC_CRC1 PD_OC2
Y3
A4
16 5
SCNRST PD_CRC1
Y2
17 A3 4
SC_OC1 PD_SCNRST
Y1
A2
18 3
P5V
PD_OC1
G2
A1
19 2
Vcc
20 G1 1
C9400
16V
R9400
0.1u
BUFFER EXB2HV103JV
SC_CPH1 0V
Y8
GND
11 10
SC_CIS PD_CPH1
Y7
12 A8 9
SC_CEL PD_CIS
Y6
A7
13 8
SC_CSH PD_CEL
Y5
P1.2V
14 A6 7
SC_CSL PD_CSH
Y4
A5 L9800
15 6
G1C6R8Z00010
SC_CMH PD_CSL
Y3
A4
16 5
SC_CML PD_CMH
Y2
17 A3 4
SC_SEL2 PD_CML
Y1
A2
18 3
P5V
PD_SEL2
G2
19 A1 2
Vcc 0V
G1
20 1
C9401
16V
R9401
0.1u
EXB2HV103JV
BUFFER
SC_SEL 0V
Y8
11 GND 10
SC_CRC3 Y7 PD_SEL
A8
12 9
SC_CML2 PD_CRC3
Y6
13 A7 8
PD_CML2
Y5
A6
14 7
Y4
15 A5 6 Analog ASIC
Y3
16 A4 5
SOS_DCC
Y2
A3
17 4
SOS4_PS
Y1
18 A2 3
P5V
G2 SOS6_SC1
A1
19 2
0V SOS7_SC2
Vcc
20 G1 1
C9402 SOS8_SS
R9402
16V
EXB28V103JX
0.1u
BUFFER
111 112
IC9801
C9816 C0DBAYY00462 C9811
25V R9920 16V
0.01u 39 0.1u
1 BOOT 8
SS
2 7
VIN
EN
C9809
50V
+5V R9879
1000p
15k
3 6
SW
COMP
C9067
4 5
GND
50V FB
560p
R9016
2.2
R9878
10k
R9014 R9877
5.6k 47k
R9111
IC9803
C9830 C0DBAYY00462
C9829
25V R9821 16V
0.01u 0.1u
39
1 BOOT 8
SS
D9807
B0ADCJ000100
2 VIN 7
EN
C9831
R9908 50V R9039
+3.3V 2700p
12k 47k
3 SW 6
COMP
C9069
4 GND 5
50V
FB
560p
R9019
2.2
R9910
10k
R9017 R9909
4.7k 27k
P15V
1 PGND 20
VIN
C9804 C9805
2 PGND +1.2V 19
25V 25V
VIN
10u 10u
3 18
PGND
VIN
4 SW 17
NC
5 16
SW
NC
6 SW 15
EN
C9800
25V 0.1u 7 14 C9807 R9040 C9116
BOOT
PSET 4.7k 16V
R9874 50V
0.1u
27k 200p
8 NC 13
RT
C9803 R9872
25V 4700p 9 SS/DELAY 12 3.3k C9801
FC
25V
10 GND 11 6800p
FB
C9806
50V
R9875
100p
20k
R9873
10k
TO 12/19
TO 12,17/19
TO 12/19
TO 12/19
SC_UHZ D_UHZ
113 114
58
R9103 R9104 R9107
100 100 3.3k
R9110
D_XRST_SYS
S
R9105
47k
OHZ1
115 116
1
2
117