Sharp LL-171G Service Manual ▷ View 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
LL-171A-W/B/LL-171G-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 4
PB5
PA6
PB6
PA2
PB0
PA8
PB7
PB9
PA1
PB4
PA5
PA4
PB1
PB2
PB[0..9]
PA[0..9]
PA0
PB8
PB3
PA9
PA3
PA7
VCC3.3
VPO
VDD
VCC2.5
VAA1
VPL
L
VDPLL
VAA4
VAD
VAA3
VAA2
VDVI
VAD
VDVI
VDPLL
VDVI
VDD
VPO
VPLL
FB402
600 OHM
C410
0.1uF
C423
0.1uF
C418
0.1uF
C405
0.1uF
FB406
600 OHM
C401
0.1uF
X401
14.318MHz
C421
0.1uF
+
C419
10uF
C409
0.1uF
C424
0.1uF
FB401
600 OHM
C420
0.1uF
C407
0.1uF
C403
0.1uF
C429
0.1uF
FB405
600 OHM
+
C416
10uF
C427
22pF
+
C411
10uF
C406
0.1uF
C425
0.1uF
C414
0.1uF
FB403
600 OHM
C417
0.1uF
C404
0.1uF
C426
22pF
C412
0.1uF
+
C428
10uF
C413
0.1uF
R401
390
1/16W
FB404
600 OHM
U401
MST9111B
33
30
31
28
32
29
27
126
127
3
4
6
7
9
10
12
13
15
37
36
38
40
41
42
121
43
118
117
119
120
44
45
80
81
78
79
76
77
74
75
96
97
92
93
90
91
88
89
86
87
70
71
18
35
16
8
14
103
124
55
61
72
82
94
107
114
58
64
85
111
19
34
39
17
102
125
5
11
56
62
73
83
106
113
57
63
84
95
112
122
123
2
46
47
48
49
50
51
52
53
54
24
25
22
26
1
115
21
23
20
128
116
RIN0
GIN0
SOGIN0
BIN0
RIN0M
GIN0M
BIN0M
HSYNC0
VSYNC0
R+
R-
G+
G-
B+
B-
CK+
CK-
REXT
REFP
RMID
REFM
CSZ
SDA
SCL
HWRESETZ
INT
DDC1_CLK
DDC1_DAT
DDCROM_CLK
DDCROM_DAT
PWM0
PWM1
LVA0P
LVA0M
LVA1P
LVA1M
LVA2P
LVA2M
LVACKP
LVACKM
LVB0P
LVB0M
LVB1P
LVB1M
LVB2P
LVB2M
LVBCKP
LVBCKM
LVB3P
LVB3M
LVA3P
LVA3M
AVDD
AVDD
AVDD_
PLL
AV
DD_DV
I
AV
DD_DV
I
VPLL
AVDD_
PLL
VDDP
VDDP
VDDP
VDDP
VDDP
VDDP
VDDP
VDDC
VDDC
VDDC
VDDC
AVSS
AVSS
REF_GND
AVSS_PLL
GPLL
AVSS_PLL
AVSS_DV
I
AVSS_DV
I
GNDP
GNDP
GNDP
GNDP
GNDP
GNDP
GNDC
GNDC
GNDC
GNDP
GNDC
XIN
XOUT
TESTPIN
VCLK
VD0
VD1
VD2
VD3
VD4
VD5
VD6
VD7
GIN1M
RIN1
SOGIN1
RIN1M
VSYNC1
DDC2_DAT
BIN1M
GIN1
BIN1
HSYNC1
DDC2_CLK
C408
0.1uF
+
C402
10uF
C415
0.1uF
+
C422
10uF
VCC2.5
2
VAA2
2
2
VAA3
2
2
VAA1
2
2
VAA4
2
2
VCC3.3
2
2
R-
3
SDA
6
6
SCL
6
6
CLK+
3
3
R+
3
CSZ
6
6
B+
3
B-
3
CLK-
3
3
RIN
3
GNDR
3
SOG
3
VSYNC
3
3
GIN
3
HSYNC
3
3
BIN
3
GNDB
3
GNDG
3
PA[0..9]
5
PB[0..9]
5
G-
3
G+
3
HWRESET
6
INT
6
GNDB1
3
BIN1
3
GNDG1
3
VSYNC1
3
3
GIN1
3
HSYNC1
3
3
RIN1
3
GNDR1
3
SOG1
3
Volume
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
4/6
4.
SCALER
LL-171A-W/B/LL-171G-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 5
RXO0
-
LVB
0
M
RXE
C-
LVACKM
RXE2
-
LVA
2
M
RXO3
-
LVB
3
M
RXE1
-
LVA
1
M
RXE3
-
LVA
3
M
RXO2
-
LVB
2
M
RXO1
-
LVB
1
M
RXE0
-
LVA
0
M
RXOC-
LVBCKM
PB[0..9]
RXOC+
LVBCKP
LVB1
M
PB7
LVBCKM
PB3
RXE2
+
L
V
A
2P
LVACKP
PA2
LVA2
M
PA5
LVA
3P
PA0
RXO0
+
L
V
B
0P
LVBCKP
PB2
LVA
1P
PA6
LVACKM
PA3
LVB
3P
PB0
LVB
1P
PB6
LVA
2P
PA4
RXO1
+
L
V
B
1P
LVB
2P
PB4
LVB2
M
PB5
LVA1
M
PA7
LVA0
M
PA9
RXE0
+
L
V
A
0P
RXE
C
+
LVACKP
RXO2
+
LVB
2P
LVA3
M
PA1
RXO3
+
LVB
3P
LVA
0P
PA8
LVB3
M
PB1
LVB0
M
PB9
LVB
0P
PB8
RXE1
+
L
V
A
1P
PA[0..9]
RXE3
+
L
V
A
3P
VLCD
C510
0.1uF
+
C509
47uF/25V
C511
0.1uF
R502
0 1/16W
CN503
CON24A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PA[0..9]
4
4
PB[0..9]
4
4
VLCD
2
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
5/6
5.
P
ANEL INTERF
A
C
E
LL-171A-W/B/LL-171G-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 6
2
1
3
LED_G
LED_O
MENU
DVI-DDCSET
Standby
Mute
POWER
MODE/SEL
RIGHT
DVI-DSUB SELECT
OUT-R-
POWER
Mute_key
LED_O
OUT-L-
OUT-L+
LED_G
OUT-L+
LED_GRN
RIGHT
OUT-R+
MODE/SEL
OUT-R+
OUT-R-
OUT-L-
LED_ORANGE
MENU
LEFT
LEFT
DVI-DSUB SELECT
Mute_key
VCPU
VCPU
VCPU
VCPU
VCC5V
VCC12V
VCPU
VCPU
VCPU
CN601
CON14 2mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R607
10K
1/16W
R626
10K 1/16W
R625
10K
1/16W
R637
0
1/16W
R608
100
1/16W
R641
0.5A FUSE
R640
0.5A FUSE
RN601
10K
1/16W
1
2
3
4
2
3
4
8
7
6
5
7
6
5
C609
0.1uF
C606
0.1uF
R636
100
1/16W
R614
10K
1/16W
C605
0.1uF
R634
NC
U602
24C16
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
R605
10K
1/16W
R613
10K
1/16W
R630
BEAD 600
RN602
10K
1/16W
1
2
3
4
2
3
4
8
7
6
5
7
6
5
R611
470
1/16W
R622
BEAD 600
C601
0.1uF
R616
4.7K
1/16W
C608
0.1uF
X601
20MH
z
R635
NC
U601
W78E65P-4
0
35
21
20
10
14
15
16
17
2
3
4
5
6
7
8
9
43
42
41
40
39
38
37
36
24
25
26
27
28
29
30
31
19
18
32
33
13
11
22
44
12
EA/VP
XTAL1
XTAL2
RESET
INT0/P3.2
INT1/P3.3
T0/P3.4
T1/P3.5
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.7/RD
P3.6/WR
PSEN
ALE/P
P3.1/TXD
P3.0/RXD
VSS
VCC
P4.3
CN603
1
2
3
4
FB601
0.47OHM 1/10W
FB603
600 OHM
FB602
600 OHM
Q601
PMBS
3906
3
2
1
U203
M
A
X
810S
T
R
3
2
1
VI
RESET
GND
R633
BEAD 600
R627
10K
1/16W
R602
10K
1/16W
R609
100
1/16W
C614
0.1uF
R606
10K
1/16W
R612
NC
R604
10K
1/16W
+
C611
1uF/0805
R617
220
1/16W
C217
0.1uF
C604
22pF
R624
BEAD 600
R621
BEAD 600
Q602
PMBS
3906
3
2
1
R618
220
1/16W
R638
NC
C607
0.1uF
CN602
CON16A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C602
22pF
C613
0.1uF
R632
10K
1/16W
R601
10K
1/16W
R619
4.7K
1/16W
R615
10K
1/16W
R620
BEAD 600
R623
BEAD 600
C615
0.1uF
C610
0.1uF
R639
100K
1/16W
R631
10K
1/16W
RN603
10K
1/16W
1
2
3
4
2
3
4
8
7
6
5
7
6
5
C612
0.1uF
R610
470
1/16W
onBACKLITE
2
INT
4
4
CSZ
4
DDC_DAT
3
HWRESET
4
DDC_CLK
3
VCPU
2
onPANEL_5V/3.3V
2
VCC5V
2,3
VCC12V
2
Volume
4
RXD
3
TX
D
3
SCL
4
SDA
4
DVI-DDCSET
3
AdjBACKLITE
2
2
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
6/6
6.
MPU
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