Read Sharp LL-171ME (serv.man3) Service Manual online
LL-171ME
CIRCUIT DIAGRAM & PWB LAYOUT
7 – 2
GI
ESCL
ESDA
RI
BI
MV33
VCCX
V50
MV33
V50
V50
V50
VCCX
VCCX
VCCX
VCCX
MV33
V50
V50
V50
Y
(13,15)
CR
(15)
CB
(15)
GO
(3)
G-BUF
(3)
HSYNC-SW
(3)
SYNC-SPD
(7)
VSYNC-SW
(3)
ADC-SEL
(4,9)
BO
(3)
EDID-SEL
(4)
TXD
(1,4)
RXD
(1,4)
RO
(3)
GND
GHSI
GBAI
GGAI
GND
RGSA
RVSI
GND
GND
GND
GND
RGSL
GRAI
M= METAL 1%
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
R72
M600
R68
47
C40
NC/0.1uF
C38
NC/22P
R84
4.7K
C55
0.1uF
R70
NC/47K
R63
NC/10
C42
330uF/16V
C48
NC/0.1uF
1
2
U13
NC/7657
RIN1
1
HSYNC
2
GIN1
3
GND
4
BIN1
5
GND
6
RIN2
7
GND
8
GIN2
9
GND
10
BIN2
11
VD1(IN)
12
VD2(IN)
13
VD(OUT)
14
BOUT
15
CTL
16
CSYNC
17
CSOGIN
18
GOUT
19
VCC
20
ROUT
21
HD(OUT)
22
HD2(IN)
23
HD1(IN)
24
D5
BAV99
1
3
2
C45
NC/22uF/16V
U17
74HC4053
S1
11
S2
10
S3
9
1Y0
12
1Y1
13
2Y0
2
2Y1
1
3Y0
5
3Y1
3
1Z
14
2Z
15
3Z
4
E_
6
VEE
7
VCC
16
GND
8
L11
30BN3
R49
NC
R79
10K
R83
2.2K
D8
1N4148
R46
NC/10
R45
NC/10
C19
NC/22uF/16V
C32
NC/0.1uF
C53
NC/22uF/16V
R75
2.2K
U16
24LC21/SMD
NC1
1
NC2
2
NC3
3
GND
4
SDA
5
SCL
6
VCLK
7
VCC
8
R80
470
C30
NC/0.1uF
C58
18PF
R52
NC/10
R60
75
R67
22
R77
22
C57
18PF
D9
1N4148
R48
NC
C56
22PF
D12
BAV99
1
3
2
R71
NC/100K
L14
NC/0805
C39
NC/5pF
R50
NC
R61
75
C33
NC/22uF/16V
6C3
ZD2
C36
NC/0.1uF
R59
NC/10
L10
30BN3
R43
80AN2
D7
BAV99
1
3
2
U15D
74LCX125
12
11
13
C59
18PF
L12
NC/0805
R66
NC
C37
NC/22uF/16V
R82
22
D10
BAV99
1
3
2
R81
M600
L8
NC/0805
U15A
74LCX125
2
3
14
1
7
C31
NC/100uF/16V
L9
30BN3
U14A
NC/74HC123
CEXT
14
REXT/CEXT
15
A
1
B
2
CLR
3
Q
13
Q
4
C54
0.1uF
L13
100/0805
D13
BAV99
1
3
2
C35
NC/22uF/16V
R64
NC
R62
75
U15B
74LCX125
5
6
14
4
7
R56
NC/2.2k
C49
NC/2.2nF
R55
NC/10
U14B
NC/74HC123
CEXT
6
REXT/CEXT
7
A
9
B
10
CLR
11
Q
5
Q
12
R47
NC/10
R44
80AN2
W2
DSUB15HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R78
10K
R42
80AN2
C34
NC/0.1uF
C51
18PF
C43
NC/0.1uF
D6
BAV99
1
3
2
R69
47
C52
18PF
R53
NC/10
R76
NC/10K
R74
22
D11
BAV99
1
3
2
R65
NC
LT5
0
C50
NC/2.2nF
R58
NC/10
R51
NC/22
C47
NC/22uF/16V
C41
NC/22uF/16V
C46
NC/0.1uF
R73
22
R54
NC/10
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
2/15
GRAPHIC-IN
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