Mitsubishi Electric LT-3280 Service Manual page 47

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1
2
3
32inch(LT-3280D)
a
SERVICE
MAIN
1
RXD1
RXD1
1
1
RXD1
NC
b
2
SCK1
TXD1
2
2
TXD1
NC
3
MD2
SCK1
3
3
SCK1
GND
MD0
FWE
FWE
GND
4
4
4
5
GND
MD2
5
5
MD2
P5V
6
MD1
6
6
MD1
GND
7
MD0
7
7
MD0
AMPVCC
RES
RES
S8V
8
8
8
9
GND
9
9
GND
S5V
10
S3.3V
VCC
10
10
VCC
S3.3V
11
SCL
S3.3V
GEN_W
4.5V
12
AWG26
RESERVED
GND
13
14
TXD1
GND
15
FWE
16
MD1
RES
17
18
VCC
19
c
20
21
22
23
SDA
S3.3V
S3.3V
1
1
24
GND
SDA
2
2
SDA
25
S5V
SCL
3
3
SCL
GND
GND
4
4
GND
PSAVE1
GEN_W
GEN_W
5
5
PSAVE2
S5V
S5V
6
6
PSAVE3
RESERVED
7
7
RESERVED
BLON
BRIGHT
PSAVE4
AWG26
GND
SHORT1
AC-OFF
CONNECT
d
1
SP_L_P
SP_L_P
1
1
SP_L_P
2
SP_L_N
SP_L_N
2
2
SP_L_N
SP_R_P
SP_R_P
SP_R_P
3
3
3
4
SP_R_N
SP_R_N
4
4
SP_R_N
AWG24
e
GND
1
2
RPF
3
SELLVDS
4
NC
NC
5
ODSEL1
6
7
ODSEL2
8
GND
S5V
9
ERX0-
STB_RMC
ERX0+
10
GND
11
ERX1-
BLUE
12
ERX1+
AMBER
13
ERX2-
S5V
ERX2+
14
GND
ECLK-
15
LCD_RMC
16
ECLK+
GND
f
17
ERX3-
18
ERX3+
GND
19
37'用より未使用
20
ORX0-
ETCK
37'用より未使用
21
ORX0+
ETRST
37'用より未使用
22
ORX1-
ETDO
37'用より未使用
ORX1+
23
RESOUT
LCD Panelへ
37'用より未使用
24
ORX2-
ETMS
37'用より未使用
25
ORX2+
ETDI
37'用より未使用
26
OCLK-
RES
37'用より未使用
OCLK+
27
GND
37'用より未使用
ORX3-
28
GND
37'用より未使用
29
ORX3+
GND
30
GND
VCC
31
GND
GND
GND
32
GND
33
GND
GND
34
GND
35
GND
g
GND
36
POWER;+5V
37
38
POWER;+5V
39
POWER;+5V
40
POWER;+5V
POWER;+5V
41
CONTROL
GND
1
1
GND
h
KEY1
2
2
KEY1
KEY0
KEY0
3
3
PWR_SW
4
4
PWR_SW
RESERVED
5
5
RESERVED
AWG26
i
j
1
2
3
4
5
6
POWER
1
1
NC
BLON
1
2
2
NC
NC
2
3
3
GND
BRIGHT
3
GND
GND
4
4
4
5
5
P5V
SHORT
5
6
6
GND
24V
6
7
7
AMPVCC
NC
7
S8V
8
8
9
9
S5V
10
10
S3.3V
11
11
S3.3V
4.5V
12
12
GND
13
13
14
14
GND
AWG24
1
1
GND
2
2
PSAVE1
3
3
PSAVE2
PSAVE3
4
4
BLON
5
5
6
6
BRIGHT
7
7
PSAVE4
GND
8
8
SHORT1
9
9
10
10
AC-OFF
AWG26
IR
1
S5V
2
STB_RMC
3
GND
L
1
AC IN
2
N.C
L
1
3
N.C
N.C
2
AWG18
4
N
N
3
LED
INVERTER
1
2
3
4
1
BLUE
AMBER
5
2
6
3
S5V
7
4
GND
8
5
LCD_RMC
GND
9
6
AWG26
1
2
3
4
5
VBL(+24V)
1
VBL(+24V)
6
2
7
VBL(+24V)
3
TO デバッガー
8
VBL(+24V)
4
9
VBL(+24V)
5
GND
10
6
GND
11
7
12
GND
8
13
GND
9
14
GND
10
D-sub9
(PC)
(DV11201-P33-4F)
PC AUDIO in
(LGY6502-0800F)
HDMI1
(DC1R019JDA)
VBL(+24V)
1
VBL(+24V)
2
VBL(+24V)
3
RS232C
VBL(+24V)
4
(DT10121-R3T-4F)
NC
5
GND
6
GND
7
GND
8
SEL
9
E_PWM
10
I_PWM
11
BLON
12
4
5
6
7
8
9
37inch(LT-3780D)
P-SUB2
SERVICE
1
BLON
1
RXD1
RXD1
2
NC
2
SCK1
TXD1
3
BRIGHT
3
MD2
SCK1
GND
MD0
FWE
4
4
5
SHORT
5
GND
MD2
6
24V
6
MD1
AWG26
7
NC
7
MD0
RES
8
9
GND
10
S3.3V
VCC
11
SCL
GEN_W
12
RESERVED
13
14
TXD1
15
FWE
16
MD1
RES
17
18
VCC
19
20
21
22
23
SDA
S3.3V
24
GND
SDA
25
S5V
SCL
GND
GEN_W
S5V
RESERVED
CONNECT
1
SP_L_P
SP_L_P
2
SP_L_N
SP_L_N
SP_R_P
SP_R_P
3
SP_R_N
SP_R_N
4
1
L
2
N.C
3
N
AWG18
1
VBL(+24V)
VBL(+24V)
2
3
VBL(+24V)
4
VBL(+24V)
5
VBL(+24V)
GND
6
LCD Panelへ
GND
7
8
GND
9
GND
10
GND
AWG24
VBL(+24V)
1
2
VBL(+24V)
3
VBL(+24V)
4
VBL(+24V)
NC
CONTROL
5
GND
6
7
GND
8
GND
9
GND
GND
10
BRIGHT
11
12
BLON
AWG24
GND
KEY1
KEY0
PWR_SW
RESERVED
7
8
9
10
10
11
12
13
MAIN
1
1
RXD1
18V
1
2
2
TXD1
NC
2
3
3
SCK1
GND
3
FWE
GND
4
4
4
5
5
MD2
NC
5
6
6
MD1
GND
6
7
7
MD0
AMPVCC
7
RES
S8V
8
8
8
9
9
GND
S5V
9
10
10
VCC
S3.3V
10
S3.3V
11
4.5V
12
AWG26
GND
13
GND
14
AWG24
S3.3V
1
1
2
2
SDA
3
3
SCL
GND
1
4
4
GND
PSAVE1
2
GEN_W
5
5
PSAVE2
3
S5V
6
6
PSAVE3
4
7
7
RESERVED
BLON
5
BRIGHT
6
PSAVE4
7
AWG26
GND
8
SHORT1
9
AC-OFF
10
RELAY
11
IG
12
SYN
13
AWG26
1
1
SP_L_P
2
2
SP_L_N
SP_R_P
3
3
SP_R_N
4
4
AWG24
1
S5V
2
STB_RMC
3
GND
1
VCC(+18V)
2
VCC(+18V)
VCC(+18V)
3
LCD Panelへ
4
GND
5
GND
6
GND
LED
1
GND
RPF
2
3
NC
S5V
1
4
NC
STB_RMC
2
5
NC
GND
3
ODSEL1
BLUE
BLUE
6
4
1
ODSEL2
AMBER
AMBER
7
5
2
8
GND
S5V
6
3
S5V
9
ERX0-
GND
7
4
GND
10
ERX0+
LCD_RMC
8
5
LCD_RMC
ERX1-
GND
GND
11
9
6
12
ERX1+
13
ERX2-
14
ERX2+
AWG26
ECLK-
ETCK
15
1
16
ECLK+
ETRST
2
17
ERX3-
ETDO
3
18
ERX3+
RESOUT
4
GND
ETMS
19
5
ORX0-
ETDI
20
6
21
ORX0+
RES
7
TO デバッガー
22
ORX1-
GND
8
23
ORX1+
GND
9
ORX2-
GND
24
10
25
ORX2+
VCC
11
26
OCLK-
GND
12
27
OCLK+
GND
13
ORX3-
GND
28
14
ORX3+
29
30
GND
32'用より未使用
31
GND
D-sub9
(PC)
32'用より未使用
32
GND
(DV11201-P33-4F)
32'用より未使用
GND
33
32'用より未使用
34
GND
32'用より未使用
35
GND
PC AUDIO in
(LGY6502-0800F)
32'用より未使用
36
GND
32'用より未使用
POWER;+5V
37
32'用より未使用
38
POWER;+5V
HDMI1
32'用より未使用
39
POWER;+5V
(DC1R019JDA)
32'用より未使用
40
POWER;+5V
32'用より未使用
POWER;+5V
41
RS232C
(DT10121-R3T-4F)
1
1
GND
KEY1
2
2
3
3
KEY0
4
4
PWR_SW
5
5
RESERVED
AWG26
2
LT-3780D
1
LT-3280D
32
33
34
35
改番
副番
品番
CHANGE
SUB
MARK
ITEM
ITEM
出図先
*
11
12
13
14
15
16
POWER
P-SUB1
1
18V
BLON
1
1
BLON
2
NC
NC
2
2
NC
3
GND
BRIGHT
3
3
BRIGHT
GND
GND
GND
4
4
4
5
NC
SHORT1
5
5
SHORT1
6
GND
24V
6
6
24V
7
AMPVCC
RELAY
7
7
RELAY
S8V
IG
IG
8
8
8
9
S5V
SYN
9
9
SYN
10
S3.3V
GND
10
10
GND
11
S3.3V
18V
11
11
18V
AWG26
4.5V
12
GND
13
14
GND
1
GND
2
PSAVE1
3
PSAVE2
PSAVE3
4
BLON
5
6
BRIGHT
7
PSAVE4
GND
8
SHORT1
9
10
AC-OFF
11
RELAY
12
IG
SYN
13
IR
1
L
AC IN
2
N.C
L
1
1
L
3
N.C
N.C
2
2
N.C
AWG18
N
N
N
4
3
3
AWG18
INVERTER
GND
1
1
GND
GND
GND
2
2
GND
3
3
GND
NC
4
4
NC
IG
5
5
IG
SYN
SYN
6
6
SEL
7
7
GND
E_PWM
8
8
GND
I_PWM
9
9
BRIGHT
BLON
10
10
BLON
AWG24
VBL(+120V)
VBL(+120V)
1
1
VBL(+120V)
2
2
VBL(+120V)
VBL(+120V)
3
3
VBL(+120V)
NC
4
4
NC
NC
NC
5
5
GND
GND
6
6
GND
7
7
GND
GND
8
8
GND
GND
9
9
GND
GND
GND
10
10
18V
11
11
18V
18V
12
12
18V
AWG24
69
70
71
72
73
74
75
76
77
78
79
80
C
O
(MI)
UNIT
C
規格
MATERIAL
AND
DIMENSIONS
O
REMARK
MARK
CODE
M
REVISION NO.
APP. FROM
*
*
尺度
SCALE
作成日付
DATE
DIM
5
TITLE OF DRAWING
3RD
ANGLE
第3角法
IN
PROJECTION
NTS
2005
7
11
mm
SCHEMATIC-DIAGRAM
(1/14)
25
26
27
28
29
作成
照査
設計
検認
880A647
DRAWN
CHECKED
DESIGNED
APPROVED
CAD
中井
14
15
16
SCL=1/1.4
a
b
c
d
e
f
g
h
i
j
24
30
31

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