Read Sharp LL-171A Service Manual online
LL-171A-W/B/LL-171G-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 9
DDC_D
DDC_A
SOT23
1
2
34
5
HSI-1
DAT_DDC
PC5V
VSI-1
CLK_DDC
CLK_DDC2
DAT_DDC2
HSI-2
VSI-2
SDA_D
DDC-VCC_DVI
SCL_D
VSI-2
DDC-VCC_DVI
DDC-VCC_DVI
DVI-DDCSET
SCL/I
SDA/I
SDA/I
SCL/I
VCC5V
DVI5V
VCC5V
VCC5V
DVI5V
DDC-VCC_DVI
DDC-VCC_DVI
VCC5V
DDC-VCC_DVI
VCC5V
PC5V
VCC5V
VCC5V
DVI5V
C319
75
1/16W
R360
0
1/16W
FB306
30OHM
CN301
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
C302
0.047uF
D301
BAV99
3
1
2
R301
75
1/16W
R320
47
1/16W
R346
10K
1/16W
D326
BAV99
3
1
2
R339
10K
1/16W
C312
220pF
R348
10K
1/16W
R313
150
1/16W
R359
0
1/16W
R326
NC
D316
LL5232B 5.6V 5%
R318
4.7K
1/16W
C301
NC
U305A
NC7S32
1
2
4
5
3
R321
47
1/16W
FB305
30 OHM
R332
150
1/16W
R344
NC
C328
0.1uF
C322
0.047uF
C313
0.1uF
R314
100
1/16W
R305
470
1/16W
R355
0
1/16W
D320
BAV99
3
1
2
R319
4.7K
1/16W
D319
BAV99
3
1
2
R342
NC
D323
BAV99
3
1
2
R324
33
1/16W
R309
68
1/16W
R337
22
1/16W
Q303
NC
D
G
S
R354
NC
R304
33
1/16W
R327
NC
FB307
30 OHM
C327
0.1uF
C309
0.047uF
R307
75
1/16W
R336
10K
1/16W
R328
NC
R306
75
1/16W
C314
0.047uF
R358
0
1/16W
R315
1K
1/16W
D310
BAV99
3
1
2
R331
68
1/16W
D308
MLL5232B 5.6V
C325
220pF
R330
68
1/16W
C324
47pF
C306
NC
R310
68
1/16W
C317
0.001uF
R308
68
1/16W
D312
BAV99
3
1
2
D306
MLL5232B 5.6V
U303
74VHC4053
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
D324
BAV99
3
1
2
C329
0.1uF
R323
33
1/16W
C303
0.047uF
D302
BAV99
3
1
2
R329
68
1/16W
D313
BAV70
3
1
2
U302
AT24C02N-10SC
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
C307
NC
R317
10K
1/16W
C326
0.1uF
R338
22
1/16W
C321
0.047uF
R334
1K
1/16W
R335
2.2K
1/16W
C304
0.047uF
R333
100
1/16W
D304
BAV70
3
1
2
D317
LL5232B 5.6V 5%
D321
BAV99
3
1
2
C330
0.1uF
FB303
30 OHM
C316
0.047uF
R357
0
1/16W
R303
33
1/16W
FB304
100
1/16W
R356
NC
Q302
NC
D
G
S
D311
BAV99
3
1
2
R361
4.7K
1/16W
R322
33
1/16W
FB301
30 OHM
D315
MLL5232B 5.6V
D325
BAV99
3
1
2
D314
MLL5232B 5.6V
D309
MLL5232B 5.6V
R352
0
1/16W
R350
4.7K
1/16W
C305
0.001uF
R302
33
1/16W
U304
AT24C02N-10SC
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
C308
0.047uF
C323
0.047uF
C310
0.047uF
D303
BAV99
3
1
2
U301
AT24C02N-10SC
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
D322
BAV99
3
1
2
C318
75
1/16W
FB308
100
1/16W
C311
47pF
D318
LL5232B 5.6V 5%
R345
10K
1/16W
R347
10K
1/16W
C320
75
1/16W
R351
0
1/16W
CN302
DVI-I
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
R316
2.2K
1/16W
FB302
30OHM
R325
470
1/16W
C315
0.047uF
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_DAT
6
DDC_CLK
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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