Panasonic TH-42PX20U-P Service Manual page 261

14.38. DG-Board (7 of 7) Schematic Diagram
101
102
103
104
105
106
8
DDC_SDA
JS110
7
DDC_SCL
JS104
6
5
4
3
DDC_WP
2
1
DG31
107
108
AB_SDA3
AB_SCL3
109
110
111
TH-42PX20U-P
DG-BOARD (7 of 7) Schematic Diagram
55
MAIN9V
R3140
47k
C3041
R3141
16V
47k
0.1
STB5V
C3040
16V 0.1
IIC SW
AC_SCL3
1 8
VDD
2 7
HI:ON
3 6
4 5
VSS
AC_SDA3
IC3517
C0JBAS000109
C3042
16V 0.1
1 8
R3142
2 7
SRQ
10k
EEPROMJ
3 6
SCL
4 5
SDA
IC3699
AC_SDA3
C3EBDC000046
AC_SCL3
Configuration ROM
2kbit
JS4025
AC_SDA3
AC_SCL3
JS4024
56
IC8071 sync input select
(GC/PC)
C0JBAR000241
R8505 0
1 16
Y0 VDD
C8332
2 15
Y2 X2 16V
R8014 0
3 14
Y X1
4 13
Y3
X
R8008 0 5 12 R8015 0
Y1 X0
6 11 R462
INH X3
10k
7 10
VEE A
8 9
VSS
B
R8020
5.6k
GC PC
R3028 R3032
STB5V
10k
0
1 16
SW1=SL2_DET VCC
2 15
SW0=SL1_DET SCL
R3033 3 14
DAC4=IICSW SDA
R3039
0
R3026 4 13
DAC3=IICSW SAD2
10k R3040
5 12
DAC2 SAD1
R3041
6 11
DAC1 SAD0
R3042
7 10
DAC0 SW3
R3043
8 9
GND SL3_DET=SW2
IC3004
C1AB00000454
EX.I/O
57
IC3003
C1AB00000441
1
L8002
SW1
10
9V
2
SW0
C8334
3
DAC4=CS(S)
50V
47
0.1 4
DAC3=FAN_CONT
R3082 5
DAC2=LPF(S)
100
6
DAC1=SYNC_INH(S)
7
DAC0
8
GND
C3011
16V
0.1 R8099
R8098
10k
10k
330
330
330
0
HI:ON
0
IC8009
C0JBAS000109
R8027
HD 330
R8096
JW
R8028
330
VD
C8008
C8336
R8022
50V
50V
R8024
2.2k
470p
0.01 2.2k
MA2J11100L
58
G-IN se
L3005
10
EX.I/O Green in
C3010
16V
0.1
9V
16
VCC
15
SCL
14
SDA
R3034 330
13
SAD2
R3035
12 330
SAD1
IC80
11 R3036 330
SAD0
10
SW3
C0JBAR0
9
SW2
C8051
16V
0.1
C8
R8034
5
100k
0
C8347
C8341
16V 10
16V 10
C8348
6.3V 4.7
JS8093
R8030
D8304
D8302
3300
MA2J11100L
C8014 C8022
C8020
16V 50V 16V
R8032
0.1 0.01 0.47
2200[F]
59
100