Panasonic TH-42PA50A, Service Manual

Page: 106 / 181

14.42. C1 and C2-Board Block Diagram
USL UMH
NUEL
UEH UML USH
UEH USL USH UML
UMH
NUEL
DR
Y_SOS9
DR
Y_SOS9
+5V(P)
PANEL DATA DRIVER
+5V(P)
32 65
+5V(P)
PANEL DATA DRIVER
35
+5V(P)
33
32
31
36
1
4
54 2 C21
Vda
4
53
Vda
+5V(P)
12
CB3 CB4
+5V(P) +5V(P) +5V(P)
55
24 5
35
+5V(P) +5V(P)
31
+5V(P)
CB5
52
+5V(P)
37 64
63
Vda
65
C11
63
CB6
Vda
TO D34
CB1
C22
CB2
+5V(P)
3 44
33 3
CB7
3
+5V(P) +5V(P)
+5V(P)
56 36
+5V(P)
TO
5
Vda
64 37
Vda
4
DATA DRIVER
DATA DRIVER
Data
16 48 22 17 15 18
24bit
1
19 OE2
OE1 20
IC7201
VCC
CLOCK
50
DR
VRST
IC7202
BUFFER
IC7203
BUFFER
IC7204
BUFFER
20 20 20
4 5 7 6 C23 8 3
C12
SUSTAIN
TO
SS23
14 33 38 35 36 37
18bit
Data
IC7101
CLOCK
20 1
19
12
DR
VRST
IC7104
BUFFER
IC7106
BUFFER BUFFER
IC7105
2bit 8bit
20 20
CLK
D12
CLK CLK CLK CLK CLK CLK
(LEFT)
8bit
6bit 6bit 6bit 6bit
39 40
CLRD ODED
63
4 12 3
44
24 33
56
5
35 65 64
31
36 37
32 53
21
57
25 63
4 12 3
44
24 33
56
5
35 65 64
31
36 37
32
3
4
2
1
Vda
Vda
5 7 6 8 9 10 20 19
25
57
21
53
25
57
21
53
25
57
21
53
25
57
21
53
ODED CLRD
56
24
44
12
36
4
37 64
24
44 65 63
32 3 12 5
35 56
33 31
36
4
37 64
24
44 65 63
32 3 12 5
35 56
33 31
36
4
37 64
24
44 65 63
32 3 12 5
35 56
33 31
5V DET
51 11
5V DET
53
21
57
25 21
57
25
53
D33
9
CLKL NCLKL
LED
PCD1
12
C2
Vda
(RIGHT)
C1
SUSTAIN
12
8bit 8bit 8bit
PCD2 LED NCLKR CLKR
OE2
OE1 VCC
20
6bit 6bit 6bit
/D13 /D11
D10 D8
/D9
D6
/D7
D4
/D5
D2
/D3
D0
/D1
TH-42PA50A/H/M, TH-37PA50H/M
C1 and C2-Board Block Diagram TH-42PA50A/H/M, TH-37PA50H/M
C1 and C2-Board Block Diagram
TH-42PA50A / TH-42PA50H / TH-42PA50M / TH-37PA50H / TH-37PA50M
106