C1, C2 And C3-Board Block Diagram - Panasonic TH-50PC77U Service Manual

15.31. C1, C2 and C3-Board Block Diagram

C1
DATA DRIVE
LOWER RIGHT(FRONT VIEW)
A20-C21 A18-C19
6bit 6bit
+5V +5V
6bit 6bit 6bit 6bit
6bit
CB1 CB2 CB3
PANEL DATA DRIVER
TH-50PX77U/PE77U
C1, C2 and C3-Board Block Diagram
TO D31
C11 49 - 16 53 51 10 9 8 14 12 7 6 1 3 55
DATA
+5V
30bit
DA12-DC21
+5V +5V
VCC VCC
IC7101 IC7102
BUFFER BUFFER
A16-C17 A14-C15 A12-C13
6bit 6bit 6bit
+5V +5V +5V
6bit 6bit 6bit
6bit 6bit
CB4 CB5
C3
DATA DRIVE
LOWER LEFT
(FRONT VIEW)
TO D32
C21 68 66 64 63 62 61 60
C2
+5V
DATA DRIVE
LOWER CENTER
+5V
(FRONT VIEW)
VCC
IC7202
BUFFER
5V_DET
C10 C20
20 5V DET 1
A10-C11 A8-C9
6bit 6bit
7 Vda75V 14
Vda75V
1 20
+5V
6bit 6bit
6bit 6bit
CB6 CB7
PANEL DATA DRIVER
C32 +5V
TO C22
P5V 1
P5V 3
5V_DET 5
+5V +5V
SOS8_SS
SOS8_SS 6
URH
URH 8
UEL
VCC VCC
UEL 9
UEH
IC7301
UEH 10
USL
USL 11
USH BUFFER
USH 12
UML
UML 13
UMH
UMH 14
DATA 18bit
DOUTDA0 20
DA0-DC5
DOUTDC5 42
CLKU_3N
CLKU_3N 16
CLKU_2P
CLKU_2P 18
CLR
CLR_C3 44
ODE
ODE_C3 45
PC4
PC4_C3 46
LE
LE_C3 47
Vda75V
61
6bit
6bit
68
Vda75V
CB9
87
58 57 55 - 15 13 11 9 8 7 6 5 4 3 1
+5V
DATA
36bit
DA0-DC11
5V_DET
+5V
+5V
SOS8_SS
URH
UEL
VCC
VCC
IC7203 UEH
IC7201
USL
BUFFER
USH
BUFFER
UML
UMH
DATA 18bit
DA0-DC5
A6-C7
6bit
CLKU_3N
CLKU_2P
CLR_C3
ODE_C3
PC4_C3
LE_C3
+5V +5V
6bit
6bit
CB8
UEL
UEH
USL
+5V +5V
USH
UML
VCC VCC
UMH
IC7302 IC7303 IC7304
URH
BUFFER BUFFER BUFFER
SOS8_SS
A4-C5 A2-C3 A0-C1
6bit 6bit 6bit
+5V +5V +5V
6bit 6bit
6bit 6bit
CB CB
10 11
PANEL DATA DRIVER
TH-50PX77U/PE77U
C1, C2 and C3-Board Block Diagram
TH-50PX77U / TH-50PE77U
C22
TO C32
68 P5V
66 P5V
64 5V_DET
63 SOS8_SS
61 URH
60 UEL
59 UEH
58 USL
57 USH
56 UML
55 UMH
49 DOUTDA0
27 DOUTDC5
53 CLKU_3N
51 CLKU_2P
25 CLR_C3
24 ODE_C3
23 PC4_C3
22 LE_C3
Vda75V
8
1
Vda75V
+5V
C33 TO SS33
1 P5V
2 UEL
3 UEH
4 USL
5 USH
6 UML
7 UMH
9 URH
8 SOS8_SS
C35 TO SS35
1 Vda75V
2
Vda75V