Sharp AL-841, Service Manual, Page: 12 / 28

GDI
PWB
A A
B B
C C
D D
E E
4 3 2 1
4 3 2 1
C
222
100p
C
224
100p
C
225
100p
C
226
100p
C
227
100p
C
228
100p
C
229
100p
C
230
100p
C
235
560p
R
214
22J
R
217
22J
R
221
22J
R
225
22J
R
228
22J
R
236
22J
R
223
22J
R
233
22J
R
201
100J 1/
2W
R
215
1.
2kJ
R
224
1.
2kJ
R
226
1.
2kJ
R
229
1.
2kJ
R
213
1.
2kJ
R
218
1.
2kJ
R
220
1.
2kJ
R
222
1.
2kJ
R
231
1.
2kJ
R
234
1.
2kJ
R
235
1.
2kJ
R
238
1.
2kJ
R
239
3.
3kJ
D
202
D
AP202K
3
2
1
D
203
D
AP202K
3
2
1
D
204
D
AP202K
3
2
1
C
N
202
IEEE1284 C
O
N
/D
S
T
B
1
DA
T
A
1
2
DA
T
A
2
3
DA
T
A
3
4
DA
T
A
4
5
DA
T
A
5
6
DA
T
A
6
7
DA
T
A
7
8
DA
T
A
8
9
/A
C
K
10
BU
S
Y
11
PE
12
SLCT
13
/A
U
T
O
L
F
14
(NC)
15
S GND
16
F GND
17
VCC
18
GND
19
GND
20
GND
21
GND
22
GND
23
GND
24
GND
25
GND
26
GND
27
GND
28
GND
29
GND
30
/IN
P
R
IM
31
/F
A
U
LT
32
S GND
33
(NC)
34
VCC
35
/S
L
C
T
IN
36
SHIE LD
D
201
D
AP202K
3
2
1
R
232
22J
D
205
D
AP202K
3
2
1
D
206
D
AP202K
3
2
1
C
232
1000p
C
233
33p
R
237
22J
L203 SBO-
02SAN
IC
206
74LS244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
C
234
33p
C
242
0.
1u
C
223
0.
1u
R
243
22J
C
238
100p
R
240
22J
D
207
D
AP202K
3
2
1
R
242
22J
C
240
100p
C
239
100p
R
241
22J
C
237
100p
D
208
D
AP202K
3
2
1
C
241
100p
R
244
22J
D
209
D
AP202K
3
2
1
IC
207
74LS244 1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
IC
205
74LS245
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
G
19
DI
R
1
B1
18
B2
17
B3
16
B4
15
B5
14
B6
13
B7
12
B8
11
C
236 0.
1u
C
203
47u 10V
C
231
0.
1u
R
216
22J
R
219
22J
C
N
203
27FM
N
-S
TK
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
D
201
R
B
501-
V40
5V1
5V1
5V1
5V1
5V1
5V1
5V1
5V1
/F
A
U
LT
/A
C
K
BU
S
Y
/S
L
C
T
IN
/S
T
B
/A
U
T
O
F
D
/IN
IT
P
A
RAAD7
P
A
RAAD6
P
A
RAAD4
P
A
RAAD3
P
A
RAAD2
3.
3V
USB-
ON
P
A
RAAD0
PE P
A
RAAD5
P
A
RAAD1
/U
SB-
EN
5V1
SLCT
F.
G
P
A
RAAD0
P
A
RAAD1
P
A
RAAD2
P
A
RAAD3
P
A
RAAD4
P
A
RAAD6
P
A
RAAD7
/R
E
V
/IN
IT
/S
L
C
T
IN
/A
U
T
O
F
D
/S
T
B
/A
C
K
BU
S
Y
PE /F
A
U
LT
/1284-
EN
/U
SB-
EN
(2
-A
1
)
(2
-A
1
)
(2
-A
1
)
(2
-A
1
)
(2
-A
1
)
(2
-A
2
)
(2
-A
2
)
(2
-A
2
)
(2
-A
2
)
(2
-A
3
)
(2
-A
3
)
(2
-A
2
)
(2
-A
4
)
(2
-A
3
)
(2
-A
2
)
(2
-A
2
)
(2
-A
2
)
(2
-A
3
)
(2
-A
3
)
SLCT USB-
ON
P
A
RAAD5
(2
-A
3
)
(2
-A
4
)
1/
1
[10] CIRCUIT DIAGRAM AND PARTS LOCATION CHART
AL-841
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