Mitsubishi Electric LT-3280 Service Manual page 48

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1
2
S5V
5VSCL
5VSDA
Q700
a
NDC7002N
4
5
8
7
6
5
6
IC703
24LC64TI/SNG
1
2
3
4
DG
b
DDC_SCL
DDC_SDA
AMPVcc
c
Q7T1
R7T4
A1235A
1K
Q7T2
C3052
d
R7S1
470
SHORT2
1/16W
SYN
IG
RELAY
PSAVE4
e
PSAVE2_5
f
g
DIRECTORY: WORK/KYOTO/FPD/MDEA05/LCD_DISPLAY_SIDE/PWB_MAIN
1
2
3
4
PC
A3.3SCL
A3.3SDA
A3.3V
R7G3
4.7K
R7J1
4.7K
G2
3
4
G2
3
D2
R7J7
0
D2
R7J2
0
S2
2
5
S2
2
R7G4
S1
4.7K
S1
R7J3
4.7K
G1
1
D1
R7J8
6
G1
1
D1
0
R7J4
0
DG
Q701
NDC7002N
102
101
100
99
98
97
96
95
94
93
92
R7H3
100
103
EEP_SCL
R7H4
100
104
EEP_SDA
R7H5
100
105
DDC_SCL
R7H6
106
DDC_SDA
100
R7P1
107
MODEL_SEL1
10K
R7P3
108
MODEL_SEL2
10K
R7P5
10K
109
NC
R7P6
10K
110
NC
R7P7
10K
111
NC
R7P8
10K
112
NC
R7Q1
10K
113
NC
R7Q2
10K
114
NC
115
VCC
R7Q3
10K
116
NC
R7Q4
10K
117
NC
118
VSS
R7Q5
10K
SHORT2
119
NC
R7Q6
100
120
SHORT2
R7Q7
10K
R7S2
C7S3
3.3K
10u
121
NC
1/16W
R7Q8
100
122
KEYIN_SW
32"
R7R1
100
123
SYN
R7T8
10K
1/16W
R7R2
100
124
IG
R7R3
100
125
PNLVCC_SW
R7R4
100
126
RELAY
R7R5
10K
127
PSAVE4
PSAVE2_5
R7R6
100
128
1
2
3
4
5
6
7
8
9
10
11
DG
DG
R719
R730
6.8K
10K
1/16W
SHORT1
R729
10K
HDMI
3
4
5
6
7
GM1601
DG
DG
DG
DG
DG
DG
DG
DG
DG
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
IC700
HD64F2437FV
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
C700
K-.1
C703
0.47u
DG
C704
0.47u
DG
DG
DG
DG
R746
0
TPRST
R743
1K
C701
K-.1
R747
R748
0
0
DG
IC702
R744
C702
F-12K
0.47u
SN74LVC08APWR
8
7
6
5
14
13
12
11
10
9
8
DG
R745
IC701
F-15K
M51957BFP
1
2
3
4
1
2
3
4
5
6
7
DG
DG
DG
5
6
7
8
9
GM1601
S3.3V
S3.3V
C707
K-.1
DG
S3.3V
R710
OPEN
C708
IC704
6.3V
DG
TC74HC4053AFT
470u
71
70
69
68
67
66
65
R7K6
10K
NC
64
R7K5
10K
NC
63
R7K4
10K
NC
62
R7K3
10K
NC
61
R7K2
10K
NC
60
R7K1
DG
10K
NC
59
DG
SENS
58
R797
10K
DG
PWR_SW
57
R796
100
56
KEY0
R795
100
KEY1
55
R794
100
AVSS
54
VSS
53
R793
100
DG
H8S_INT
52
R792
2.2K
AMBER
51
R791
2.2K
BLUE
50
MODEL_SEL
49
DG
VREF2
48
R782
10K
VREF1
47
R781
10K
RXD1
46
TXD1
45
SCK1
44
RXD0
43
TXD0
42
R780
41
SCK0
10K
DG
ETD0
40
ETRST
39
32
33
34
35
36
37
38
R750
DG
10K
R749
0
X700
20MHz
SMD-49
C705
C706
10P
10P
DG
DG
RS232C
LT-3780D
2
LT-3280D
1
32
33
34
35
改番
副番
品番
規格
CHANGE
SUB
MATERIAL
ITEM
MARK
ITEM
出図先
尺度
*
DIM
SCALE
3RD
ANGLE
第3角法
IN
PROJECTION
NTS
mm
作成
照査
設計
DRAWN
CHECKED
DESIGNED
CAD
本間
千原
石畑
8
9
10
11
S5V
R799
S5V
F-10K
STB_RMC
GND
BLUE
AMBER
C721
C724
S5V
100P
100P
C723
100P
GND
DG
LCD_RMC
C722
39P
GND
DG
C728
39P
DG
STB_RMC
LCD_RMC
KEY1
KEY0
RESERVED
PWR_SW
C725
100P
KEY0
C726
100P
KEY1
C727
100P
GND
37"
DG
R784
10K
32"
R783
10K
DG
RXD1
R771
100
TXD1
R772
100
SCK1
R773
100
FWE
R774
100
MD2
R775
100
MD1
R776
100
MD0
R777
100
RES
R778
100
GND
DG
VCC
ETCK
1
R751
100
ETRST
2
R752
100
ETD0
3
R753
100
RESOUT
4
R754
100
ETMS
5
R755
100
ETDI
6
R756
100
RES
7
R757
1K
GND
8
GND
9
GND
10
VCC
11
GND
12
GND1
GND
13
GND
14
DG
69
70
71
C
72
73
74
75
76
77
78
79
80
摘要
O
(MI)
UNIT
C
AND
DIMENSIONS
O
REMARK
MARK
CODE
M
REVISION NO.
APP. FROM
*
*
作成日付
DATE
5
TITLE OF DRAWING
24
uCON(MAIN)
2005 7
11
(2/14)
SCHEMATIC-DIAGRAM
25
26
27
28
29
30
31
検認
880A647
APPROVED
10
11
SCL=1/1.4
a
b
c
d
e
f
g

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