Read Sharp LL-171A Service Manual online
LL-171A-W/B/LL-171G-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 13
To Earphone
Jack
Audio-R
+
Audio-R-
Audio-R
+E
Audio-L+
GREEN
YELLOW
POWER
YELLOW
GREEN
Audio-R-
Audio-R
+
Audio
-L
-
Audio-L+
Audio
-L
-
Audio-L+E
POWER
YELLOW
GREEN
R101
510
1/6W
SW1
POWER
SW4
MODE
R102
510
1/6W
D101
LED
1
2
3
CN102
Wafer 2P
1
2
SW5
MENU
SW3
LEF
T
CN104
WAFER 2X7
2
4
6
8
10
12
14
1
3
5
7
9
11
13
R104
100
1/6W
R103
100
1/6W
CN103
Wafer 2P
1
2
SW2
RIGHT
CN101
NC
1
2
3
4
4
5
6
7
8
9
CN105
Phone Jack
10
11
2
3
1
4
5
6
7
8
9
CN106
wire harness 4 pin
1
2
3
4
SW6
INPUT
STANDBY
12V
MUT
E
OUT_R
OUT
_
L
VOLUME
+12V
GND
GND
GND
GND
GND
GND
GND
GND
+12V
+
C201
680uF/25V
+
C202
680uF/25V
CN204
NC
1
2
3
+
C210
1uF
R202
200K
1/16W
C203
0.1uF
C213
0.1uF
CN202
pin header2*7 2mm female
2
4
6
8
10
12
14
1
3
5
7
9
11
13
+
C205
470uF/16V
+
C209
1uF
+
C207
470uF/16V
CN201
PHONEJACK
1
4
5
2
3
R211
20K 1/
16W
C211
100pF
R203
18K
1/16W
R212
220K
1/16W
R210
20K
1/16W
C204
0.47uF/25V
R207
1K
1/16W
C212
100pF
C206
0.47uF/25V
U201
T
D
A
7496L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
GND
GND
GND
INL
VAROUT_L
VOLUME
VAROUT_R
NC
INR
SVR
STBY
MUTE
GND
OUTR
VS
VS
OUTL
GND
GND
GND
R201
18K
1/16W
R208
1K
1/16W
+
C208
470uF/16V
C214
NC
ع
AU
D
IO
<Reference>
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
1/1
ع
KEYP
AD
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