Service manual
SAM4S ER-900/SPS-300 SERIES 11-9
D(5)
D(6)
D(2)
D(3)
D(0)
D(5)
D(6)
D(2)
D(3)
D(0)
D(7)
D(4)
D(5)
D(1)
D(2)
D(7)
D(4)
D(5)
D(1)
D(2)
DD
10
22
D(7)
D(4)
D(1)
D(7)
D(4)
D(1)
D(6)
D(3)
D(0)
D(6)
D(3)
D(0)
+24V
DD
44
33
11
R213 4.7K
R212 4.7K
R217 4.7K
R215 4.7K
FISCAL_DATA_WR
/CS2_FISADDL_WR
VDD33V
/OE
D(0:15)
AA
FD(6)
FD(7)
FD(3)
FD(4)
FD(0)
FD(1)
FD(6)
FD(7)
FD(3)
FD(4)
FD(0)
FD(1)
FA(13)
FA(14)
FA(10)
FA(11)
FA(8)
FA(5)
FA(6)
FA(2)
FA(3)
FA(0)
BB
MEM_CE
INVT_/WE
D(0:15)
D(0)
D(1)
D(3)
D(4)
D(6)
D(7)
CC
FISCAL_DATA_WR
FISEPROM_PGM
FISEPROM_CE
FA(17)
FA(0:17)
FD(7)
FD(2)
FD(4)
FD(5)
FA(4)
FA(7)
FA(6)
470 R182
R179470
File Name
SizeSize
FD(0)
FD(1)
6
CN12:6
FA(9)
FA(10)
12
CN12:12
FA(13)
FA(12)
18
CN12:18
FA(0)
FA(15)
24
CN12:24
FA(3)
FA(2)
30
CN12:30
FD(0:7)
8
of
1.0
Rev
44
33
22
11
/CS2_FISDATA_WR
/CS2_FISADDH_WR
INVT_/WE
AA
C118 100pF
FD(5)
FD(2)
FD(5)
FD(2)
VDD50V
100nF
C104
FA(15)
FA(12)
FA(9)
FA(7)
FA(4)
VDD50V
FA(1)
VDD50V
C112
100nF
BB
C119 100pF
C120 100pF
C121 100pF
C122 100pF
C123 100pF
VDD50V
VDD50V
R210
4.7K
VDD50V
4.7K
R219
R187
2K
CC
D(2)
D(5)
R173
2K
VFIS_ONOFF
FISEPROM_OE
FA(16)
VDD50V
FD(6)
FD(3)
FA(5)
FA(17)
470 R180
470 R181
A3
A3
Date
FA(11)
FA(8)
8
CN12:8
2
CN12:2
4
CN12:4
10
CN12:10
16
CN12:16
14
CN12:14
FA(14)
FA(1)
FA(16)
32
CN12:32
34
CN12:34
28
CN12:28
20
CN12:20
22
CN12:22
26
CN12:26
FISCAL BLOCK
FA(0:17)
VDD50V
BAT43WS
D31
H.T JANG
R188
4.7K
VDD33V
100nF
C110
R211 4.7K
100nF
C111
R214 4.7K
R216 4.7K
R218 4.7K
1K
R175
R186
220
2 3
1
KSA1182-Y
Q30
R172
470
R183
1K
VDD33V
FISEPROM_OE
FISEPROM_PGM
FISEPROM_CE
FD(0:7)
FISCAL CONN.
VFIS_ONOFF
NEWNET MAIN.SCH
Sheet
TITLE :
SPS300&ER900 MAIN B'D
5
CN12:5
11
CN12:11
17
CN12:17
23
CN12:23
29
CN12:29
NOTE]
SMD TYPE
/CS2_FISDATA_RD
C116 100pF
C117 100pF
VDD33V
12
13
11
U33:D
74LVC32
VDD50V
VDD50V
2
1
3
14
7
U33:A
74LVC32
VDD50V
/CS2_FISPORT(574)
1213
U11:F
74LVX14
VDD50V
FISCAL CONTROL
4.7K
R221
VPP(FISCAL)VCC(FISCAL)
R174
470
FA(0:17)
VPP(FISCAL)
10uF
CE20
16V
BAT43WS
D28
4
3
IN
1
ADJ
2
OUT
LM317(ADJ)
U25
FISCAL VOLTAGE(VPP&VCC)
2011.05.16
Drawn by
Shin Heung Precision Co., Ltd.
9
CN12:9
3
CN12:3
13
CN12:13
7
CN12:7
15
CN12:15
19
CN12:19
31
CN12:31
33
CN12:33
21
CN12:21
25
CN12:25
27
CN12:27
VCC(FISCAL)
19
OE2
8
A6
9
A7
13
Y5
12
Y6
5
A3
6
A4
16
Y2
15
Y3
2
A0
3
A1
18
Y0
11
Y7
14
Y4
17
Y1
1
OE1
7
A5
4
A2
10
GND
20
VCC
U30
74LVC541
VDD50V
100nF
C113
11
CLK
7
6D
8
7D
4
3D
5
4D
2
1D
1
OC
9
8D
6
5D
3
2D
10
GND
13
7Q
12
8Q
16
4Q
15
5Q
19
1Q
18
2Q
20
VCC
14
6Q
17
3Q
U31
74HCT574
11
CLK
7
6D
8
7D
4
3D
5
4D
2
1D
1
OC
9
8D
6
5D
3
2D
10
GND
13
7Q
12
8Q
16
4Q
15
5Q
19
1Q
18
2Q
20
VCC
14
6Q
17
3Q
74HCT574
U32
9
10
8
U33:C
74LVC32
100nF
C106
11
CLK
7
6D
8
7D
4
3D
5
4D
2
1D
1
OC
9
8D
6
5D
3
2D
10
GND
13
7Q
12
8Q
16
4Q
15
5Q
19
1Q
18
2Q
20
VCC
14
6Q
17
3Q
74HCT574
U29
5
4
6
U33:B
74LVC32
1
2
3
MMBT2222A
Q31
R178
10K
ZD2
1N4735A
6.2V
ZD3
BZT52C6V2
6.2V
NO POP
11
CLK
7
6D
8
7D
4
3D
5
4D
2
1D
1
OC
9
8D
6
5D
3
2D
10
GND
13
7Q
12
8Q
16
4Q
15
5Q
19
1Q
18
2Q
20
VCC
14
6Q
17
3Q
74HCT574
U27
1
CON-BOX;34P,2MM,2R,ST
CN12:1
FISCAL BUS