C2,C3,C4 And C5-Board Block Diagram - Panasonic TH-50PZ77U Service Manual

TH-50PZ77U

15.42. C2,C3,C4 and C5-Board Block Diagram

D33 6 12 14 23 24 42 43 52 34 36 64 66 67 68
U7B U4C U2A U0A
U9C U7A U4B U1C
TO D33
C25 63 57 55 46 45 27 26 17 35 33 5 3 2 1
DATA DATA DATA DATA
8bit 8bit 8bit 6bit
U7B U4C U2A U0A
U9C U7A U4B U1C
1
P+5V
Vad+75V
3
D34 2 8 10 16 18 19 20 22 24 26 28 38 39 40 42 48 30 32
D2A-D2C
D8A D0A-D1C
D6A-D7C
D3C,D4A
D4B,D4C D3A,D3B
D5A-D5C
D9C
TO D34
C55 67 61 59 53 51 52 49 47 45 43 41 31 30 29 27 21 39 37
P+5V
CLKD1(-)
CLKD0(+)
DATA
DATA
8bit
8bit
D6A-D7C
D0A-D1C
D4B,D4C D3A,D3B
P+5V P+5V
5
IC7513 IC7515
BUFFER DATA BUFFER
8bit
D2A-D2C
D3C,D4A
D5A-D5C
P+5V
IC7514
BUFFER
D8A
DATA
P+5V
6bit
D9C
IC7512
BUFFER
P+5V
IC7511
BUFFER
Vad+75V
TH-50PZ77U
C2,C3, C4, and C5-Board Block Diagram
C2 DATA DRIVER (CENTER)
C21
1 P+5V
P+5V
2 P+5V
IC7215
3 P+5V
4 P+5V
BUFFER
67 +5V DET
65 DOUTDA[0]
P+5V
DATA 30bit
IC7214 27 DOUTDC[9]
D0A-D9C
BUFFER
ODEU3
18 ODEU3
P+5V
CLRU3
19 CLRU3
IC7213
PCU3
20 PCU3
LEU3
BUFFER
21 LEU3
CLKU0(+)
23 CLKU0(+)
IC7212 CLKU1(-)
25 CLKU1(-)
BUFFER 75 Vad+75V
76 Vad+75V
P+5V
77 Vad+75V
IC7211
78 Vad+75V
79 Vad+75V
BUFFER
80 Vad+75V
54 55 56 58 59 60 62 64 66 67 68
15 14 13 11 10 9 7 5 3 2 1
C51
80 P+5V
79 P+5V
78 P+5V
77 P+5V
14 5V_DET
74 DRV_SOS8
UEH
72 UEH
P+5V
USL
71 USL
USH
70 USH
UML
IC7516
69 UML
UMH
68 UMH
BUFFER
NUEL
67 NUEL
DATA 30bit
54 DOUTDA0
DA0-DC9
DATA 30bit 16 DOUTDC9
DA0-DC9
60 ODED4
ODEU3
61 CLRD4
CLRU3
62 PCD4
PCU3
63 LED4
LEU3
56 CLKU0(+)
CLKU0(+)
58 CLKU1(-)
CLKU1(-)
1 Vad+75V
2 Vad+75V
3 Vad+75V
C5 4 Vad+75V
DATA DRIVER(CENTER)
5 Vad+75V
6 Vad+75V
C31
R7387 R7386
80
C3 DATA DRIVER(LEFT)
79
78
77
14
16
54 DATA
8bit
U7B-U9C
ODEU3
63
CLRU3
62
P+5V P+5V P+5V
PCU3
61
IC7301 IC7302 IC7303
LEU3
60
CLK0L
BUFFER BUFFER BUFFER
58
NCLK1L
ODEU3
CLK0L-03L LE11-LE15 DATA DATA
56
NCLK11-13L CLRU3 6bit 2bit
PCU3 U7B,U7C
6 U8A-U9C
5
4
P+5V
3
2
Vad+75V
1
6bit 6bit 6bit 6bit
CA CA
11 12
PANEL DATA DRIVER
C41
R7490 R7491
1 C4 DATA DRIVER(LEFT)
2
3
4
67
7
9
10
11
12
13
14
DATA
6bit
D8A-D9C
27
65
ODEU3
21
P+5V P+5V P+5V
CLRU3
20
PCU3 IC7401 IC7402 IC7403
19
LEU3
BUFFER BUFFER BUFFER
18
CLKU0(+)
25 ODED4 DATA
LE11-LE15
CLK0L-03L CLRD4
CLKU1(-) 6bit
23 NCLK11-13L
PCD4 D8A-D9C
80
79
P+5V
78
77
Vad+75V
76
6bit 6bit 6bit 6bit
75
CB CB
11 12
110
DATA
DATA
DATA
6bit
8bit
8bit
U0A-U1C
U2A-U4B
U4C-U7A
P+5V P+5V P+5V
IC7304 IC7305 IC7306
BUFFER BUFFER
DATA DATA DATA
DATA DATA
4bit 6bit 6bit
4bit 2bit
U6A-U7A U4C-U5C U4A,U4B U2A-U3C U0A-U1C
P+5V
Vad+75V
6bit 6bit 6bit 6bit 6bit 6bit
CA CA CA
13 14 15
DATA
DATA DATA
8bit
8bit 8bit
D2A-D2C U0A-U1C
D4B,D4C
D3A,D3B
D3C,D4A
D6A-D7C
D5A-D5C
P+5V P+5V P+5V
IC7404 IC7405 IC7406
BUFFER BUFFER BUFFER
DATA DATA DATA DATA DATA DATA
6bit
2bit 4bit 4bit 2bit 6bit
D6A-D7C D4B,D4C D4A D2A-D2C U0A-U1C
D3A,D3B
D5A-D5C D3C
P+5V
Vad+75V
6bit 6bit
6bit 6bit 6bit 6bit
CB CB CB
13 14 15
PANEL DATA DRIVER
TH-50PZ77U
C2, C3, C4, and C5-Board Block Diagram
C35
TO SS35
1 Vad+75V
2 Vad+75V
3 Vad+75V
4 Vad+75V
5 Vad+75V
C44 TO SS44
1 P+5V
9 DRV_SOS8
3 NUEL
4 UEH
5 USL
6 USH
7 UML
8 UMH
C42 TO SS42
1 Vad+75V
2 Vad+75V
3 Vad+75V
4 Vad+75V
5 Vad+75V
6 Vad+75V
7 Vad+75V