Read Sharp LL-171ME (serv.man3) Service Manual online
LL-171ME
CIRCUIT DIAGRAM & PWB LAYOUT
7 – 8
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
8/15
AU
D
IO
L+
R-
R+
L-
SW-V120
VOL-CON
(1)
TU-L
(14)
BLEN
(1,4)
TU-R
(14)
PC-L
(14)
PC-R
(14)
VOL-STB
(4)
GND
(14)
TO SPECK
IR
BOARD
OUT+1
OUT+2
L+
R+
M= METAL 1%
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
+
C172
2.2u/50V
R187
1K
R178
10K
W6
CON4
1
2
3
4
+
CI2
22u/16V
+
CI1
22u/16V
LEDI1
1
3
2
+
C154
470u/16V DIP
R180
47
R169
0
R171
N.C
C155
1000P
+
C168
10u/50V
R177
10K
WI1
PHONEJACK 7P
5
4
2
3
1
8
7
CI3
.1u
R176
220
Q5
2SD1119
2
1
3
C156
1000P
+
C173
10u/50V
Q7
2N3904
2
1
3
R182
47K
+
C171
2.2u/50V
R183
4.7K
R188
100
R173
N.C
C157
1000P
R185
270K
RI3
150 1/2W
W7
PH-JK5
4
5
1
3
2
F4
2A
C158
1000P
R184
4.7K
+
C163
2.2u/50V
R166
100
J5
CON5
1
2
3
4
5
U27
AN7522
VCC
1
OUT1+
2
GND
3
OUT1-
4
SB
5
VIN1
6
GND
7
VIN2
8
VOL
9
OUT2-
10
GND
11
OUT2+
12
R181
47
UI1
FM-6038LM-5A
VCC
3
VO
1
GND
2
RI4
150 1/2W
R41
0
R175
220
RI1
22K 1/8W
SWI1
PUSH LOCKED
3
1
2
4
6
5
Q6
NC/3904
2
1
3
R6
NC
R170
N.C
U8E
7414
11
10
R186
47K
R179
10K
+
C153
1000u/16V DIP
JI1
CON5
1
2
3
4
5
+
C165
2.2u/50V
RI2
22K 1/8W
JI2
CON6
1
2
3
4
5
6
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