Read Sharp LL-171G Service Manual online
LL-171A-W/B/LL-171G-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 3
DDC_D
DDC_A
Delete R311,R312,D307
2
SOT23
1
3
5
4
HSI-1
SDA/I
DAT_DDC
PC5V
VSI-1
CLK_DDC
CLK_DDC2
DAT_DDC2
HSI-2
VSI-2
SDA_D
SCL_D
SCL/I
VSI-2
DDC-VCC_DVI
DDC-VCC_DVI
DVI-DDCSET
SCL/I
SDA/I
DDC-VCC_DVI
PC5V
VCC5V
DVI5V
VCC5V
VCC5V
DVI5V
DDC-VCC_DVI
DDC-VCC_DVI
VCC5V
VCC5V
VCC5V
VCC5V
DDC-VCC_DVI
DVI5V
R329
NC
C326
NC
CN301
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
C302
0
.047uF
R337
NC
D312
NC
3
1
2
D301
BAV99
3
1
2
R301
75
1/16W
R320
4
7
1/16W
R335
NC
C312
220pF
R313
150
1/16W
R359
0
1/16W
R331
NC
R326
NC
R324
NC
C322
N
C
U302
NC
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
R318
4.7K
1/16W
C301
NC
R345
NC
R321
4
7
1/16W
U305A
NC
1
2
4
5
3
D323
NC
3
1
2
R314
100
1/16W
R305
470
1/16W
C313
0.1uF
FB302
30 OHM
R355
0
1/16W
R342
NC
R319
4.7K
1/16W
C325
NC
R338
NC
R309
68
1/16W
R327
NC
Q303
NC
D
G
S
R304
33
1/16W
R354
NC
R344
N
C
C321
N
C
C309
0
.047uF
R307
75
1/16W
C327
NC
D313
NC
3
1
2
C323
N
C
R306
75
1/16W
C314
N
C
FB303
30 OHM
C330
0.1uF
R323
NC
FB307
NC
R358
0
1/16W
R315
1K
1/16W
D310
NC
3
1
2
D326
NC
3
1
2
D308
MLL5232B 5.6V
D321
NC
3
1
2
R339
NC
C306
NC
R310
68
1/16W
FB301
30 OHM
R347
NC
C319
NC
R308
68
1/16W
D311
NC
3
1
2
D306
MLL5232B 5.6V
D318
NC
C329
NC
U303
NC
12
11
2
1
5
4
6
13
10
9
14
15
3
7
8
16
0A
SA
0B
1B
0C
ZC
INH
1A
SB
SC
ZA
ZB
1C
VEE
GND
VCC
D305
MLL5232B 5.6V
C303
0
.047uF
D302
BAV99
3
1
2
C328
NC
C307
NC
C315
N
C
R317
10K
1/16W
R336
NC
D324
NC
3
1
2
R348
NC
R332
NC
D317
NC
D319
NC
3
1
2
C304
0
.047uF
R361
NC
D304
BAV70
3
1
2
R330
NC
R357
0
1/16W
R303
33
1/16W
R352
NC
FB305
NC
Q302
NC
D
G
S
R356
NC
D316
NC
C320
NC
R325
NC
R333
NC
C316
N
C
R322
NC
R360
NC
D322
NC
3
1
2
D314
NC
D309
MLL5232B 5.6V
R350
N
C
C305
0
.001uF
R302
33
1/16W
C308
0
.047uF
C310
0
.047uF
U304
NC
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
R346
NC
D303
BAV99
3
1
2
U301
AT24C02N-10SC
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
C317
N
C
C318
NC
FB304
100
1/16W
C311
47pF
R328
NC
FB308
NC
D325
NC
3
1
2
R334
NC
C324
NC
CN302
NC
1
2
3
4
5
6
7
8
25
28
9
10
11
12
13
14
15
16
26
29
17
18
19
20
21
22
23
24
27
DAT2-
DAT2+
2/4shield
DAT4-
DAT4+
DDC SCL
DDC SDA
VSYNC
R
HSYNC
DAT1-
DAT1+
1/3shield
DAT3-
DAT3+
+5V
SYNC GND
HPD
G
RGB GND
DAT0-
DAT0+
0/5shield
DAT5-
DAT5+
clk shield
clk+
clk-
B
R351
0
1/16W
R316
2.2K
1/16W
D320
NC
3
1
2
FB306
NC
D315
NC
GIN
4
HSYNC
4
BIN
4
SOG
4
VSYNC
4
GNDR
4
TX
D
6
GNDG
4
RXD
6
GNDB
4
RIN
4
G+
4
B+
4
R-
4
CLK+
4
B-
4
G-
4
R+
4
CLK-
4
GIN1
4
GNDB1
4
BIN1
4
GNDG1
4
SOG1
4
RIN1
4
GNDR1
4
HSYNC1
4
VSYNC1
4
DVI-DDCSET
6
DDC_CLK
6
DDC_DAT
6
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
3/6
3.
INPUT
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