Panasonic TX-22LT3, Service Manual

Page: 67 / 115

TX-22LT3 Signal Block Diagram TX-22LT3 Signal Block Diagram
SCL0
SDA0
SD
A0
SCL0
SCL0 SD
A0
MUTE
QESQ
Q-LINK_SEL
Q-LINK
MUTE
RESQ
Q-LINK
Q-LINK_SEL
DG1
28
27
41
43
39
22
21
24
25
MUTE
RESQ
Q-LINK
Q-LINK SEL
R
G
B
SCL1
SDA1
TO A3
(A-BOARD)
Q9002,Q9005
Q9001,Q9004
Q9003,Q9006 Q9009,Q9012
Q9008,Q9008,Q9011
Q9007,Q9010
41
44
110 G/Y
B-PB
R/PR
Q9021,Q9022
Q9026
Q9014,Q9020
Q9015,Q9017
11
10
DG4
12
13
SDA-1,2,3
SCL-1,2,3
SDA-A
SCL-A
FOR
FACTORY
USE
19
17
18
22
21
20
16
15 SCL-0
SDA-0
SDA-1
SCL-1
SCL-2
SDA-2
SCL-A
SDA-A
5
9
6
8
3
7
2
4
IC9002
BUFFER
17
21
20
22
15
19
16
18
SDA-0
SCL-0
SCL-1
SDA-1
SCL-2
SDA-2
29
28
SCL1
SDA1
30 SDA2
SCL2 31
26
SDA0
SCL0 27
LCD-SDA2
LCD-SCL2
IC3002
LCD MCU
IC1003
SW
7
SCL-1
SDA-0
4
2
9
5
SDA-2
RGB-SDA
RGB-SCL
SCL-2
SCL-0
SDA-1
6
3
8
SDA-0
99
SCL-1
75
98
SDA-2
SCL-2
SCL-0
SDA-1
101
74
100
SCL2
5
6
SDA2
IC1004
EEPROM
YS1
97
YS2
99
94
98
YS5
YS7
YS6
YS4
YS0
YS3
95
100
93
96
YS
SCL 55
SDA
54
8bit A/D
FORMAT CONV.
C/PB
33
V/Y
35
R
YUV3
YUV6
YUV2
YUV5
56
51
58
55
57
53
YUV7
YUV9
YUV8
YUV4
52
54
95
V/Y
72 C/PB
121 CVBS1
Q9019
Q1004
Q6005 114 OSD B
Q6004
113 OSD G
Q6006 112 OSD R
PB4
PB3
15
13
16
14
18
PB5
PB7
PB6
PB2
17
55 54
SCL SDA
OSD
B PB
(BULE)
41
Y4
OSD
G
110
Y/G
(GREEN)
Y3
5
3
6
4
8
Y5
Y7
Y6
Y2
7
PR4 OSD
R
44
PR
(RED)
PR3
25
23
26
24
28
PR5
PR7
PR6
PR2
27
YS4
RGB AD
YS5
YS7
YS6
YS2
97
YS3
95
93
96
94
98
99 YS1
100 YS0
B4
R4
G3
G4
G6
G2
58
62
64
59
63
57
G5
G7
R5
R7
R6
R2
52
B3
68
70
67
69
65
B5
B7
B6
B2
R3
66
54
56
53
55
51
B4
R4
B
R
G3
G4
G6
G2
130
G
134
136
133
135
129
G5
G7
R5
R7
R6
R2
109
B3
155
158
154
157
152
B5
B7
B6
B2
R3
153
111
113
110
112
108
OSD
B
OSD
R
OSD
G
106
R1
R0
107
127 G0
128
G1
B1
150 B0
151
11
6
8
4
30
B9
2
17
31
G2
G0
R4
16
G7
G1
G5
32
G
R5
B
B6
21
23
R8
20
R9
3
22
18
B4
29
B2
B3
B7
R6
B5
19
G6
B8
R2
R3
R7
5
34
R
36
G4
33
G3
35
7
G9
28
27
G8
25
24
B0
B1
IC9001
GC2M
IC9007
RGB-AD
IC9006
5M FIFO
B5
B1
B4
202
204
201
203
199
B6
B8
B
B7
B3
198
200
B2
G3
156
148
158
155
157
153
G5
G7
G
G6
G2
152
154
G1
G0
G4
G9
159
G8
160
SCL SDA
116 117
196 B0
205
B9 206
IC6003
RGB AD
90 MUTE
83
RESQ
9 Q-LINK SEL
Q1005,Q1006 6 Q-LINK Q1009
IC6004
PIXEL CONVERTER
IC1008
16M FLASH
IC1009
64M SDRAM
DG6900
B3
17
15
B1
18
23
16
21
B5
B7
B6
B2
20
B0
22
B4
G3
G4
G6
G2
30
27
25
28
26
31
G5
G7
33 G0
32
G1
R5
R7
42
R6
R2
40
R3
37
35
38
36
41
43
R1
R0
R4
BLUE (8bits)
GREEN (8bits)
RED (8bits)
LCD PANEL
DG-BOARD
!
IC1001
MCU
5
6
7
8
9
10
11
1
3
2
4
!
29