Panasonic TX-22LT3 Service Manual page 105

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