EB
Service Manual
21 2007/06/13
3.2.3. Key Part
L15 MZA3216R102A(TDK)
10
1
4
7
3
2
8
9
Key _In_1
Key _Out_5
PLU23
PLU14
PLU4
PLU13
Key _In_5
PLU21
0
L14 MZA3216R102A(TDK)
10
1
4
7
3
2
8
9
PLU10
Key _Out_0
C32
0.1u
+5V
00
J1
CON8
1
2
3
4
5
6
7
8
PLU24
PLU22
PLU6
PLU9
0
PLU2
TTL1
MR1
PAD1
ZERO1
Key _Out_7
J2
CON8
1
2
3
4
5
6
7
8
CAN1
J3
CON8
1
2
3
4
5
6
7
8
2
5
PLU17
3
0
+5V
PLU19
6
Key _In_0
*1
PAY 1
Key _In_4
RA2
10k
1 2 3 4
8 7 6 5
U13
74HC245
2
3
4
5
6
7
8
9
19
1
18
17
16
15
14
13
12
11
2
0
1
0
A0
A1
A2
A3
A4
A5
A6
A7
OE
DIR
B0
B1
B2
B3
B4
B5
B6
B7
V
C
C
G
N
D
PLU5
ADD1
R20
10k
1 2 3 4
8 7 6 5
MDOE1
0
Key _Out_6
PLU11
RA1
10k
1 2 3 4
8 7 6 5
MW1
0
Key _Out_3
PLU3
1
PLU7
7
CLEAR1
Key _Out_4
Key _In_3
Key _Out_1
+5V
TTL2
J4
CON8
1
2
3
4
5
6
7
8
4
8
<Doc>
<Rev Code>
EB - KEY
A4
3
3
Thursday , May 03, 2007
Title
Size
Document Number
Rev
Date:
Sheet
of
9
PLU15
0
+5V
C31
0.1u
U12
74HC245
2
3
4
5
6
7
8
9
19
1
18
17
16
15
14
13
12
11
2
0
1
0
A0
A1
A2
A3
A4
A5
A6
A7
OE
DIR
B0
B1
B2
B3
B4
B5
B6
B7
V
C
C
G
N
D
PLU18
+5V
PLU1
Key _Out_2
PLU8
Key _Out_4
PLU20
+5V
Key _In_2
R21
10k
1 2 3 4
8 7 6 5
PLU16
PLU12
0
+5V
TARE1
Summary of Contents for EB Series
Page 1: ...EB Service Manual 1 2007 06 13 EB SERVICE MANUAL ...
Page 6: ...EB Service Manual 6 2007 06 13 1 4 Dimension ...
Page 9: ...EB Service Manual 9 2007 06 13 1 6 Sealing Method PLATE ...
Page 10: ...EB Service Manual 10 2007 06 13 STICKER ...
Page 22: ...EB Service Manual 22 2007 06 13 4 Exploded View ...
Page 23: ...EB Service Manual 23 2007 06 13 5 Load Cell drawing ...
Page 24: ...EB Service Manual 24 2007 06 13 6 Part Location 6 1 Main PCB Top ...
Page 25: ...EB Service Manual 25 2007 06 13 6 2 Main PCB Bottom ...
Page 26: ...EB Service Manual 26 2007 06 13 6 3 Rear Display PCB Top 6 4 Rear Display PCB Bottom ...
Page 27: ...EB Service Manual 27 2007 06 13 6 5 Terminal PCB Top 6 6 Terminal PCB Bottom ...
Page 28: ...EB Service Manual 28 2007 06 13 6 7 Cal PCB Top ...