Panasonic TX-22LT3 Service Manual page 74

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8.7.
DG-Board (1 of 5) Schematic Diagram
DG-BOARD TXNDG10HNK (1/5)
!
A
DG3
K1MN21A00028
TO PD5
TO A2
TP9082
DG2
K1MN25A00030
INV_GND
0.8
25
INV_GND
0
24
INV_GND
0
23
15V
14.9
22
15V
21
14.9
15V
1.2
20
15V
14.9
19
15V
14.9
18
TP9083
15V
0.8
17
INV_GND
0
16
INV_GND
0.7
15
TP9084
B
INV_GND
0
14
TP9085
OVP
0
13
GND
0
12
TP9012
9V
8.9
11
GND
10
0.9
9V
8.9
9
TP9019
STB_5V
4.9
8
C9168
TP9020
16V
5V
4.8
0.1u
7
5V
4.8
6
5V
4.8
5
5V
4.8
4
TP9017
STB_3.3V
3.3
3
GND
DL1072
0
2
ELKE103FA
3.3V
STB_3.3V
3.3
3
1
C9167
16V
0.1u
TP9086
DL1073
ELKE103FA
C
3
C9063
TO A3
0.1u
16V
DG1
0
GND
50
2.6
STB_2.5V
49
2.5
STB_2.5V
48
0.4
GND
47
TP9022
1.4
1.5V
46
1.4
1.5V
45
TP9004
0.4
GND
44
2.7
G
43
0
GND
42
2.7
B
41
0
GND
40
2.6
R(PR)
39
0.4
GND
38
0.1
FB
37
TP9005
D
0
GND
36
4.4
YV
35
0
GND
34
4.3
C
33
0
GND
32
4.8
PIXELPOW
31
0.4
MAINPOW
30
0
GND
29
4.2
SCL1
28
4.2
SDA1
27
0
GND
26
0
MUTE
25
2.5
RESQ
24
0.4
AFC
23
0
Q-LINK_SEL
22
3.8
Q-LINK
21
0.3
GND
E
20
0.3
VDD
19
0.4
RESET
18
0
GND
17
0.4
FCLK
16
0.3
FIN
15
0.3
FOUT
14
0.3
MDO
13
0.3
MD2
12
0.3
IRQ
11
0.3
GND
10
0.4
SCL
9
0.4
SDA
8
0
GND
7
3.2
LED_R
6
0
GND
5
2.4
REMOTE
4
0
F
GND
3
2.4
KEY
2
0
GND
TP9034
1
TX-22LT3
DG-Board (1 of 5) Schematic Diagram
1
TP9081
TP9032
JS1061
TP9031
JS1060
TP9033
JS1062
L1050
G1C6R8MA0061
C9010
C9001
16V
16V
0.1u
0.1u
DL1074
ELKE103FA
3
1
C9147
2
16V
0.1u
DL1075
ELKE103FA
3
1
C9199
2
C9211
DL1076
16V
0.1u
ELKE103FA
16V
0.1u
3
1
C9004
2
16V
0.1u
1
C9221
2
16V
TP9015
DL1070
0.1u
ELKE103FA
3
1
C9007
2
C9219
16V
0.1u
16V
1
0.1u
2
DL1071
ELKE103FA
3
1
C9166
2
16V
0.1u
TP9025
TP9026
TP9072
2
Q9029
B1DHDC000021
2.5
2.5
2.5
AA_INVDET
AA_LIGHTON
AA_PWM
DL1077
ELKE103FA
3
1
C9170
C9149
2
16V
C6008
16V
0.1u
6.3V
0.1u
47u
STB_5V
TP9006
1
3
DL9001
J0HABB000004
2
4
TP9007
1
3
DL9002
J0HABB000004
2
4
TP9008
1
3
DL9003
J0HABB000004
2
4
TP9009
1
3
DL9004
J0HABB000004
2
4
TP9010
1
3
DL9005
2
4
J0HABB000004
TP9011
1
3
DL9006
J0HABB000004
2
4
TP9030
JS1059
TP9023
JS1052
TP9013
1
3
DL1050
J0HABB000003
2
4
TP9014
1
3
DL1051
2
4
J0HABB000003
TP9024
JS1053
JS1054
JS1055
JS1082
TP9071
JS1083
TP9029
JS1058
TP9028
JS1057
TP9027
JS1056
3
Q9031
B1DHDC000021
2.5
3.3
3.3
2.5
3.3
3.3
0.1
3.3
1.6
R9161
R9164
22k
10k
R9162
R9165
1k
10k
Q9032
0
0
Q9030
UNR521100L
3.0
3.0
UNR521100L
0
0
AA_MAINPOW
AA_RESQ
AI_YV
AI_PB
AA_PIXELPOW
AA_MAINPOW
AA_SCL_1
4.5
13
AA_SDA_1
4.4
14
1.9
15
2.0
AA_MUTE
16
2.0
AA_RESQ
17
0
AA_AFC
18
2.1
AA_QLINK_SEL
19
2.2
20
0
21
2.4
22
AA_BUSREQ
0
23
4.9
24
AA_QLINK
D9007
D9004
C9056
MAZ80560ML
MAZ80560ML
0.1u
16V
D9003
D9005
MAZ80560ML
MAZ80560ML
TP9001
TP9002
TP9003
AA_BUSREQ
TP9016
AA_LCD_MD2
TP9018
AA_LCD_MD0
AA_LED_R
TP9021
AA_LCD_FOUT
TP9035
AA_LCD_FIN
AA_REMOTE
TP9036
AA_LCD_FCLK
AA_KEY
TP9037
AA_LCD_RESET
TP9038
4
R9154
10k
JS9012
AB_G
Green
R9155
15k
0.7Vp-p
DC:?V
R9156
10k
JS9013
AB_B
Blue
R9157
15k
R9158
10k
JS9014
AB_R
Red
R9159
15k
AB_G
AB_FB
AB_B
AB_R
AB_FB
0
B10
GND
12
0.7
B9
A10
11
0.7
B8
A9
10
R9021
3.4
B7
A8
9
0
R9022
3.2
B6
A7
8
0
R9023
4.1
B5
A6
7
0
R9024
4.2
B4
A5
6
0
R9025
4.8
B3
A4
5
0
R9026
4.8
B2
A3
4
0
R9027
4.8
B1
A2
3
0
R9028
4.8
OE
A1
2
0
0.6
Vcc
NC
1
TP9040
0
SDA_A
13
TP9039
0.3
SCL_A
12
0.1
SDA_0/1/2
11
0.1
SCL_0/1/2
10
4.9
IRQ
9
0
MD2
8
4.7
MD0
7
4.8
FOUT
6
0.4
FIN
5
0.4
FCLK
4
0.4
GND
3
0.4
RESET
FOR
2
4.8
VDD
FACTORY
1
USE
DG4
K1KA13A00122
B13B-ZR-SM4-TFT(Z)
5
33

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