Service manual
SAM4S ER-900/SPS-300 SERIES 11-3
SMD
/WE
/OE
A(1)
A(2)
A(4)
A(5)
A(7)
A(8)
D(1)
D(2)
D(4)
D(5)
D(7)
D(8)
/OE
A(1)
A(4)
A(3)
A(7)
A(6)
A(9)
D(1)
D(2)
D(4)
D(5)
D(7)
D(8)
DD
10
22
SMD
A(3)
A(6)
A(9)
D(0)
D(3)
D(6)
D(9)
/WE
A(2)
A(5)
A(8)
D(0)
D(3)
D(6)
D(9)
DD
44
33
11
MEM_CE
NOPOP
/CS3
AA
3
CN1:C
6
CN1:F
9
CN1:I
A(1)
A(3)
A(4)
A(6)
A(7)
A(9)
A(0:21)
BB
LM393_VREF
LM393_VREF
D(1)
D(2)
D(4)
D(5)
D(7)
D(8)
D(10)
D(11)
D(13)
D(14)
FIS_PFAIL
/WBLS0
A(10)
A(11)
A(13)
A(14)
A(16)
A(17)
D(10)
D(11)
D(13)
D(14)
CC
MEM_CE
/CS3_SRAM
/WBLS1
A(10)
A(13)
A(12)
A(16)
A(15)
A(19)
A(18)
File Name
SizeSize
A(21)
D(10)
D(11)
D(13)
D(14)
2
of
1.0
Rev
44
33
22
11
VDD33V
AA
R7
10K
BAT43WS
D2
100
R5
R8
470
VBT33V
VBT33V
R17
10K
2
CN1:B
10
CN1:J
8
CN1:H
4
CN1:D
5
CN1:E
7
CN1:G
A(2)
A(5)
A(8)
BB
LM393_VREF
100pF
C69
1uF
C68
1K
R101
+24V
10uF
CE9
16V
2.2K
R118
VDD50V
+24V
D(0)
D(3)
D(6)
D(9)
D(12)
D(15)
100nF
C32
VDD33V
100nF
C64
/WBLS1
A(12)
A(15)
A(18)
CC
R24
10K
D(12)
D(15)
1K
R121
/WBLS0
A(11)
A(14)
A(17)
A(20)
A3
A3
Date
+24V
VBT33V
D(12)
D(15)
H.T JANG
R4
10K
NOPOP
1K
R6
100uF
CE1
16V
R18
1K
R107
6.8K
R119
18K
R120
18K
100nF
C74
VDD33V
4.7K
R41
4.7K
R96
100nF
C19
R123
470
MMBD6050
D12
/RESET
JTAG_TCK
JTAG_RTCK
JTAG_DBGEN
DEBUG
JTAG_/TRST
JTAG_TDI
/CS3_SRAM
/CS1
/OE
A(10)
A(12)
A(13)
A(15)
A(16)
A(18)
A(19)
INT0_PFAIL
4Mbits SRAM
VDD33V
NEWNET MAIN.SCH
Sheet
TITLE :
SPS300&ER900 MAIN B'D
16Mbits SRAM
JTAG_TDO
JTAG_TMS
VDD33V
VDD33V
LOWBAT_BACKUP
1
2
ML2032,COIN,3V,65mAH
BAT1
10K
R19
4.7K
R102
VDD50V
BAT43WS
D3
BAT43WS
D4
/WE
D1
BAT43WS
A(21)
A(11)
A(14)
A(17)
A(20)
7
5
6
LM393
U12:B
BUZZER
2
3
1
8
4
LM393
U12:A
BUZZER
100nF
C65
/CS3_SRAM
VBT33V
VBT33V
MEM / BUZ / BAT / PFAIL BLOCK
2011.05.16
Drawn by
Shin Heung Precision Co., Ltd.
BUZZER
AU1
200
R124
VDD50V
100nF
C41
VDD33V
1
CN1:A
CON-BOX;10P,1.25MM,ST,12505WS
4.7K
R108
2
3
1
MMBT2222A
Q1
R16
1K
VDD50V
100nF
C18
6
CS
34
VSS
33
VCC
28
N.C
3
A2
4
A1
7
I/O0
1
A4
9
I/O2
10
I/O3
14
I/O5
15
I/O6
29
I/O8
30
I/O9
32
I/O11
35
I/O12
37
I/O14
38
I/O15
12
VSS
11
VCC
2
A3
5
A0
8
I/O1
13
I/O4
16
I/O7
31
I/O10
36
I/O13
40
UB
41
OE
44
A5
27
A8
42
A7
24
A11
25
A10
21
A14
22
A13
18
A17
19
A16
39
LB
17
WE
26
A9
43
A6
20
A15
23
A12
U3
R1LV0414DSB
2
3
1
MMBT2222A
Q20
200
R127
10
CS1
49
VSS
30
OE
11
WE
48
LB
51
BYTE
17
NC
28
NC
26
A1
25
A2
13
NC
12
NC
23
A4
22
A5
33
DQ1
31
DQ0
8
A8
20
A7
40
DQ4
37
DQ3
5
A11
6
A10
46
DQ7
44
DQ6
2
A14
3
A13
36
DQ10
34
DQ9
19
A17
52
A16
43
DQ13
41
DQ12
9
A19
47
A0/DQ15
27
A0
16
NC
39
NC
15
CS2
29
VSS
50
UB
14
VCC
7
A9
4
A12
24
A3
21
A6
32
DQ8
42
DQ5
35
DQ2
1
A15
18
A18
45
DQ14
38
DQ11
R1LV1616R
U9
[ PGM FLASH 16MBIT ] [ DATA SRAM 4MBIT or 16MBIT ]
JTAG(DBUG) CONN. - NOPOP
BATTERY BACK-UP POWER FAIL
D(0:15)
FLASH & SRAM MEMORY
11
WE
27
VSS2
26
CE
14
WP
12
RESET
15
RY/BY
10
NC1
13
NC2
37
VCC
25
A0
24
A1
29
DQ0
22
A3
21
A4
35
DQ3
33
DQ2
19
A6
18
A7
42
DQ6
40
DQ5
7
A9
6
A10
32
DQ9
30
DQ8
4
A12
3
A13
39
DQ12
36
DQ11
1
A15
48
A16
43
DQ14
45
A0/DQ15
16
A18
9
A19
28
OE
46
VSS1
47
BYTE
31
DQ1
38
DQ4
44
DQ7
23
A2
20
A5
8
A8
5
A11
34
DQ10
41
DQ13
2
A14
17
A17
S29AL016D70TFI020
U10