Panasonic TH-37PX80B Service Manual page 70

11.34. C2-Board (1/2) Schematic Diagram (37 inch)
C2-BOARD TNPA4438 (1/2)
!
A
B
C
TO
C1-BOARD
(C10)
C20
R17281
1k
5V DET
1
GND
2
GND
3
GND
4
GND
5
GND
6
GND
7
NC
8
NC
9
NC
10
D
NC
11
NC
12
VDA 75V
NC
13
Vda 75V
14
Vda 75V
15
Vda 75V
16
Vda 75V
17
Vda 75V
18
Vda 75V
19
Vda 75V
20
E
F
TH-37PV80P/PB, PX80B/E
C2-Board (1/2) Schematic Diagram
1 2
TERM
C2 5V
R17261
0
C2 5V
C17229
16V
0 1u
1 20
OE0
VCC
CLKU 3N 2 A0 19
OE1
3 A1 18
CLKU 3N8
Y0
CLKU 2P 4 17 CLKU 3N7
A2
Y1
CLKU 2P8
5 A3 16
CLKU 2P7
Y2
CLKU 1N 6 15
A4 R17249
Y3
EXB38V220JV
7 A5 14
CLKU 1N6
Y4
CLKU 0P 8 13 CLKU 1N5
A6
Y5
CLKU 0P6
9 A7 12
CLKU 0P5
Y6
10 GND 11
R17285
Y7 EXB38V220JV
C2 5V
C17223
250V
0 15u
CB6
TO
PANEL DATA
DRIVER
C2 5V
C17213 C17211
10V
250V
1u
0 15u
CB5
TO
PANEL DATA
DRIVER
3 4
C2 5V
C17244
EXB38V222JV
16V
0 1u
1 OE0 20
VCC
CLR C2A 2 19
A0 UEL
OE1
ODE C2A
3 A1 18
R17250 UEH
Y0
EXB38V470JV
PC4 C2A 4 17 CLR C2
A2
Y1 USL
ODE C2
PC3 C2A
5 A3 16
PC4 C2 USH
Y2
LE C2A 6 15 PC3 C2
A4
UML
Y3
LE C2
7 A5 14
UMH
Y4
R17280 R17257
8 13
1k A6 47
Y5
9 A7 12
Y6
10 GND 11
Y7
C17221 C17222
10V 10V
1u 1u
R17226 R17227
6 8 6 8
VDA 75V
C17240
10V
1u
R17216 R17217
6 8
6 8
VDA 75V
5 6
70
TO
A-BOARD
(A32)
C21
C17245
C2 5V
16V
0 1u
R17288
R17289
EXB38V222JV
1 20
OE0
VCC
2 A0 19
OE1
3 18
A1
BA UEL
Y0
4 A2 17 BA UEH
Y1
BA USL
5 A3 16
BA USH
Y2
6 15
A4
Y3 BA UML
BA UMH
7 A5 14
Y4
8 13
A6
Y5
9 A7 12
Y6
10 GND 11
Y7
C17224
250V
0 15u
C17241
250V
0 15u
TH-37PV80P/PB, PX80B/E
C2-Board (1/2) Schematic Diagram
7 8
1
2
3
4
5
6
7
8
9