Read Sharp LL-171G Service Manual online
LL-171A-W/B/LL-171G-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 8
Brightness
TO-252
TO-263
GND
ON_OFF
VCC12V
GND
GND
GND
DIM
VCC12V
GND
VCC5V
VCC5V
GND
VCPU
VAA2
VAA1
VCC3.3
VCC5V
VCC5V
VAA3
VAA4
VCC5V+
VCC2.5
VCC5V+
VCC12V
VLCD
VCC5V
VCC5V
VCC3.3
VCC5V
VCC5V+
VCPU
VCC5V
VCC5V
R207
4.7K
1/16W
Q202
PMBS
3904
3
2
1
C203
0.1uF
FB202
NC
D201
FUSE 600mA
+
C204
220uF/25V
U202
AIC1084-33M
3
1
2
VIN
ADJ
VOUT
R201
0
1/16W
D205
3.3V
Q20
1
PMB
S3904
3
2
1
R208
10K
1/16W
R204
1K
1/16W
C201
0.1uF
Q20
3
AO340
1
C214
0.1uF
CN201
Wafer 2x6
1
3
5
7
9
11
2
4
6
8
10
12
R211
10K
1/16W
Q204
PMB
S3904
3
2
1
D204
7.5V
R202
10K
1/16W
+
C202
220uF/25V
R212
4.7K
1/16W
FB201
600 OHM
R203
1K
1/16W
+
C206
NC
+
C208
10uF
U201
RT9164-25CL
3
2
1
VI
VO
GND
R213
10K
1/16W
C210
0.1uF
D206
3.3V
C207
0.1uF
R206
10K
1/16W
C216
0.1uF
R205
4.7K
1/16W
+
C211
100uF/25V
R209
0
1/16W
D203
BAV9
9
3
1
2
D202
SR34
C205
0.1uF
+
C215
47uF/25V
R210
NC
C212
0.1uF
AdjBACKLITE
6
6
onBACKLITE
6
VAA1
4
VAA2
4
VAA3
4
VAA4
4
VCC3.3
4
VCC12V
6
onPanel_5V/3.3V
6
6
VLCD
5
VCPU
6
VCC2.5
4
VCC5V
3,6
VCPU
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
2/6
2.
PO
WER
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