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Service manual

ManualsBrandsSharp ManualsBusiness equipmentER-A420
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ER-A410U/ER-A420U CIRCUIT DIAGRAM AND PWB LAYOUT
– 26 –
A
B
C
D
8 7 6 5 4
3
2 1
12345678
D
C
B
A
DRIVER 7/7
DRAWER1
DRAWER2
RIGHT-ANGLE CON
RIGHT-ANGLE CON
FOR KEY I/F
FB22,23,24,25:JUMPER WIRE
CUTM+
CUTM-
CUTS
-->PATTERN SHART
STANDARD
OPTION
a
b
c
d
e
f
g
dp
/RESET
P90
P91
KR0
KR1
KR2
KR3
KR4
KR5
KR6 /S6
KR7
/S9
KR8
KR9
/S2 P91
/S3
/S4
KR10
/S6
KR11
KR4
KR5
KR6
KR7
P91
/RESET
/S2
/S4
c
d
e
f
g
dp
/S9
a
b
/S6
P9
1
KR0
KR1
KR2
KR3
P90
/S3
/S6
VH
VJCOM
/JPFA
/JPFB
/JPFC
/JPFD
/JPES
VH
TM1
/STRB4
/STRB3
SO
SI
/LATCH
/STRB2
/STRB1
/RPES
VRCOM
/RPFA
/RPFB
/RPFC
/RPFD
PHUPS
VPTEST
KS3
KS2
KS1
KS0
PCLK
DRAWER1
DRAWER2
KR8
KR9
KR10
KR11
VCC VLED
VCC
VCC
+2
4V
R114
16
KF
FB21
CIM31J601NE
CN6
T_PRINT CN(40Pin)00 6229 640 003
800
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
28
29
30
31
32
33
34
35
36
37
38
39
40
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
28
29
30
31
32
33
34
35
36
37
38
39
40
FB18
CIM31J601NE
CN10
DR CN(2Pin)5046-03A
1
2
3
C108
0.1uF
R115
3.6K
F
FB22
(JUMPER)
CN9
DR CN(2Pin)5046-03A
1
2
3
FB25
(JUMPER)
F5
T400mA/
250V
Q8
2SD21
70
R113
1K
Q9
2SD2
170
CN7
KEY I/F RELAY CN(40Pin)52045-4045
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
28
29
30
31
32
33
34
35
36
37
38
39
40
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
28
29
30
31
32
33
34
35
36
37
38
39
40
FB19
CIM31J601NE
R116
1K
C107
0.1uF
C105
0.1uF
FB16
CIM31J601NE
FB23
(JUMPER)
R117
22
K
R118
4.7K
FB17
CIM31J601NE
FB24
(JUMPER)
D12
1SS
355
D11
1SS
355
Q10
KRC111
S
FB20
CIM31J601NE
C106
0.1uF