Sam4s ER-250RF, Service Manual

Page: 46 / 60

10-2 SAM4S ER-350 SERIES
1-2
/RD
3
5
2-3
KSH
A(7) A(6)
D21
A(4) A(3)
D18
A(1) A(0)
VCC
A(8) A(13) A(15)
D(5) D(6) D(2) D(3)
D(5) D(6)
D(0)
D(2) D(3) D(0)
NC
D(2) D(1) D(5) D(4) D(7) D(5) D(6) D(2) D(3) D(0)
FROM CN6 #8
STORBE
1K
R40
ER-350(512K)
Drawer
28V COMM HEAD #5 HEAD #9 HEAD #7 HEAD #3
82pF
C36
D22
A(2) A(5)
D20 D16 D17 D19
VCC
A(12)
VCC
A(14)
100nF C39 NO POP
EK-04
D14
D(1)
D(4)
D(4)
D(7)
D(7)
D(1)
NC NC
/WR
100nF
C23
1
3
2
Russia
(P/END SENSOR)
CN17
82pF
C42
10K R43
180 R44
VCC D(6) D(3) D(0) D(1) D(4) D(7)
100nF C17
R20 10K
P/FAIL
VCC
VCC
4
3
IC4:2
6
5
IC4:3
VCC
1 3
2
Q6 KSC945-G
VCC
1K
R41
1K
R39
VCC
1
2
14
7
IC8:1
74LS05
5
6
IC9:3
11
10
IC9:5
TRIGGER
3.6x5.0mm
FB2
C13 10nF
VCC
NO POP
R46
C11 10nF
2003-12-02
1 3
2
Q9 KSC945-G
VCC
24V
2W
R42
150ohm
R-Metal Oxide
28V
1.0
1 2
CN8
1N4003
D6
1 2
CN16
1N4003
D5
HEAD #1
24V
HEAD #2 HEAD #6 HEAD #8 28V COMM HEAD #4
2 4 5 7 8
1
3 6 9
100pF CA4
D15
1N4148
CE9 100uF 16V
330 R54
VCC
2
7 14
1
IC4:1
74LS14
10K R23 5
6
IC8:3
1
2
14
7
IC9:1
74LS05
R30 180K
10
2
IN1
3
OUT1
5
OUT2
4
IN2
8
IN4
9
OUT4
6
IN3
7
OUT3
1
STA471A TRA3
R32 180K
10
2
IN1
3
OUT1
5
OUT2
4
IN2
8
IN4
9
OUT4
6
IN3
7
OUT3
1
STA471A TRA1
10
2
IN1
3
OUT1
5
OUT2
4
IN2
8
IN4
9
OUT4
6
IN3
7
OUT3
1
STA471A TRA2
1K
R45
330 R37
9 8 5 4 2 3 1
10
7 6
PRT_10P
1 2
CN9
1N4003
D4
6.2V
1N4735A
ZD4
1 6 7 3 2 5 4
10
9
12 11
8
PRT_12P
D(0:7)
2
4
5
7
8
1
3
6
9
NO POP 100pF CA2
ON
CLERK
DISCONNECTION
100
R33
FROM IC3 #3
PRT DISCON
OFF
1
3
2
CN11
(ALL CLEAR)
VCC
A(0:15)
1
3
2
(P/END SENSOR)
CN4
1
2
(C OMPULSORY)
CN5
180 R58
INT1
VCC
VCC
PRINTER & KEYBOARD PART
100
R34 R35
100
C12 10nF
ER-350F MAIN PCB (PGM ROM : 512K)
NO POP
R47
TO CN6 #7
3 2
1
Q8 KSD288
3
4
IC8:2
100nF C29
3
4
IC9:2
13
12
IC9:6
2
3
5
6
8
9
1
4
7
10
RA5 1K
Stamp NO POP
Spool Motor
6 7 3 4 1 2 5 8
CN12 (MODE KEY)
4
5
1
2
6
3
CN13
(KEY BOARD)
3 4 6 7 9
1
2 5 8
RA4 4.7K
10
GND
20
VCC
9
A7
7
A5
11
Y7
6
A4
12
Y6
4
A2
14
Y4
3
A1
15
Y3
19
OE2
17
Y1
1
OE1
18
Y0
8
A6
5
A3
13
Y5
2
A0
16
Y2
74HCT541
IC14
2 4 5 7 8
1
3 6 9
100pF
CA6
FB5
AA ,3.5x0.6x6.5mm
1
G1
7
1Y3
2
A1
3
B1
4
1Y0
5
1Y1
6
1Y2
8
GND
16
VCC
74HCT139 IC10:A
6 7 3 4 1 2 5 8
(KEY BOARD)
CN14
2
4
5
7
8
1
3
6
9
100pF CA5
AA ,3.5x0.6x6.5mm
FB6
10
GND
20
VCC
9
A7
7
A5
11
Y7
6
A4
12
Y6
4
A2
14
Y4
3
A1
15
Y3
19
OE2
17
Y1
1
OE1
18
Y0
8
A6
5
A3
13
Y5
2
A0
16
Y2
74HCT541
IC5
3
4
6
7
9
1
2
5
8
4.7K RA1
3 1 2
CN3
CN-BOX-3P
NO POP
15
G2
9
2Y3
14
A2
13
B2
12
2Y0
11
2Y1
10
2Y2
IC10:B 74HCT139
9
D7
12
Q8
15
Q5
14
Q6
6
D4
7
D5
3
D1
18
Q2
17
Q3
4
D2
19
Q1
2
D0
16
Q4
5
D3
8
D6
13
Q7
1
OE
11
CLK
10
GND
20
VCC
74HC574
IC7
9
D7
12
Q8
15
Q5
14
Q6
6
D4
7
D5
3
D1
18
Q2
17
Q3
4
D2
19
Q1
2
D0
16
Q4
5
D3
8
D6
13
Q7
1
OE
11
CLK
10
GND
20
VCC
74HC574
IC6
1K R38
1N4003
D8
100nF C28
R31 180K
9
8
IC9:4