Service manual
11-4 SAM4S ER-900/SPS-300 SERIES
/OE
/OE
YEL
GRN
BLK
BRN
N.C
GND
DD
10
22
R1 85
4.7K
R1 90
4.7K
R1 92
4.7K
R1 94
4.7K
BLU
ORG
RED
DD
44
33
11
RTC
AA
A(0:21)
DALLAS_SIGNAL
DALLAS_SIGNAL
D29
BAT43WS
D26
BAT43WS
D22
BAT43WS
D19
BAT43WS
D16
BAT43WS
D14
BAT43WS
BB
2
CN6:B
ALL_CLEAR
D(5)
D(6)
D(2)
D(3)
D(0)
D(0:15)
/CS2_KEYSCAN
D(7)
D(4)
D(5)
D(1)
D(2)
D(0:15)
MCR_RCP2
MCR_RCP3
MCR_RDD3
MCR_RDD2
R201100
MCR_RCP2_IN
MCR_RDD3_IN
MCR_CPD23_IN
CC
File Name
SizeSize
MCR_RCP3_IN
MCR_RDD3_IN
MCR_RDD2_IN
MCR_RCP2_IN
MCR_CPD23_IN
COLOR
RCP(Read Clock Pulse)
RDD(Read Detection Data)
3
of
1.0
Rev
44
33
22
11
AA
VBT33V
1K
R126
VDD33V
R142
1K
VDD33V
VBT33V
4.7K
R143
VDD33V
R140
1K
34
74HC05
U17:B
100nF
C91
100nF
C90
ZD1
BZT52C6V2
6.2V
VDD50V
2.2K
R144
BB
DALLAS_SIGNAL
D37
BAT43WS
D38
BAT43WS
D30
BAT43WS
D32
BAT43WS
D33
BAT43WS
D34
BAT43WS
D18
BAT43WS
D21
BAT43WS
D24
BAT43WS
D27
BAT43WS
D15
BAT43WS
D17
BAT43WS
D13
BAT43WS
3
CN6:C
VDD50V
C75
100nF
D(7)
/CS2_EXT(541)
D(4)
D(1)
D(6)
D(3)
D(0)
CC
100RA3
MCR_RCP3_IN
MCR_RDD2_IN
R220
10K
VDD33V
VDD33V
R207
10K
R208
10K
R1 89
4.7K
R1 91
4.7K
R1 93
4.7K
VDD33V
A3A3
Date
VDD33V
100nF
C109
MODEKEY_COMMON
R1 95
4.7K
RCP(Read Clock Pulse)
RDD(Read Detection Data)
VCC(+5V)
H.T JANG
VDD33V
X1
32.768KHZ
R15
1K
100nF
C95
8
GND
6
E3
9
Q6
4
E1
11
Q4
3
A2
13
Q2
1
A0
16
VCC
15
Q0
2
A1
7
Q7
5
E2
14
Q1
12
Q3
10
Q5
U21
74LVC138
8
GND
6
E3
9
Q6
4
E1
11
Q4
3
A2
13
Q2
1
A0
16
VCC
15
Q0
2
A1
7
Q7
5
E2
14
Q1
12
Q3
10
Q5
U23
74LVC138
D35
BAT43WS
D36
BAT43WS
100nF
C87
100nF
C105
8
GND
6
E3
9
Q6
4
E1
11
Q4
3
A2
13
Q2
1
A0
16
VCC
15
Q0
2
A1
7
Q7
5
E2
14
Q1
12
Q3
10
Q5
U24
74LVC138
I2C_SCL
I2C_SDA
ADDMAT CON.
iBUTTON (DALLAS KEY) I/F
A(4)
/CS2_KEYSCAN
A(2)
A(1)
A(0)
A(5)
/CS2_KEYSCAN
A(1)
/CS2_KEYSCAN
A(2)
A(1)
A(0)
NORMAL
MCR_CPD23
2
CN11:B
MSR
SEN_PEND(J)
SEN_PEND(R)
2
CN7:B
SEN_COVER(R)
4
CN7:D
6
CN7:F
8
CN7:H
9
CN7:I
11
CN7:K
13
CN7:M
15
CN7:O
17
CN7:Q
19
CN7:S
NEWNET MAIN.SCH
Sheet
TITLE :
SPS300&ER900 MAIN B'D
VDD33V
TRACK#2
TRACK#3
3
CN14:C
POWER
TRACK#2/3CPD(Card Present Detection)
6
CN14:F
7
CN10:G
4
CN10:D
1
CN10:A
CON-FPC;9P,2.54MM,ST
100nF
C4
DALLAS CON.
DALLAS_DOUT
2
3
1
MMBT2222A
Q21
9 8
74HC05
U17:D
DALLAS_DIN
56
74HC05
U17:C
VDD33V
VDD33V
A(2)
A(0)
VDD33V
A(6)
KEY & MODE SCAN
VDD33V
ALL_CLEAR
VDD33V
1
CN6:A
CON-NOWALL;3P,2.54MM,ST
3
CN11:C
13 12
74HC05
U17:F
11 10
74HC05
U17:E
VDD50V
1
CN4:A
R209
10K
1 2
14
7
74HC05
U17:A
3
CN7:C
1
CN7:A
VDD33V
SEN_COVER(J)
7
CN7:G
5
CN7:E
16
CN7:P
14
CN7:N
12
CN7:L
10
CN7:J
MODEKEY_COMMON
VDD33V
18
CN7:R
20
CN7:T
KBD / SENSOR / DALLAS
/ MSR BLOCK
2011.05.16
Drawn by
Shin Heung Precision Co., Ltd.
TRACK#3
1
CN14:A
2
CN14:B
TRACK#2
POWER
VDD50V
8
CN14:H
CON-BOX;8P,1.25MM,ST,12505WS
4
CN14:D
5
CN14:E
7
CN14:G
8
CN10:H
9
CN10:I
5
CN10:E
6
CN10:F
2
CN10:B
3
CN10:C
15pF
C1
R14
1K
2
OSCO
3
INT
4
VSS
1
OSCI
6
SCL
7
CLKO
8
VDD
5
SDA
PCF8563TS
U1
VDD33V
VDD33V
R141
10K
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
U28
74LVC541
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
U14
74LVC541
ALL_CLEAR SWITCH
SEN_PRTDISCON(R)
SEN_DWRCOMP#1
SEN_DWRCOMP#2
1
CN11:A
CON-BOX;3P,1.25MM,ST,12505WS
2
CN4:B
CON-BOX;2P,2MM,AN(JST)
SEN_PRTDISCON(J)
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
U35
74LVC541