SAMSUNG SAM-150 Service Manual
9 Schematic Diagrams
1
2
270
R35
C24
10nF
C23
10nF
3
680
R22
VLG
VLG
270
R31
C25
D
C-AR RAY 100pF
C
SUB
DPT1
TEND
CASH
TOTA L
RA
FEED
KEY B'D
VD %
1N 4148D14
1N 4148D13
X/RFTAX
#/NS
CH PO
DPT2
1N 4148D16
1N 4148D15
1N 4148D17
00
9
8
7 0
6
5
4
3
2
1
1N 4148D19
1N 4148D18
1N 4148D20
VLG
R-AR RAY 150K
MODE
[X]
[Z]
[O FF]
[REG]
C
FG 97D 6 (R ear 9 Digit)
G7
G4
G1
Pg
Pd
Pa
PbPcPe
OPTION
VF2
Pd
C 104
100nF
Pa
7
11
R136R12
R2310R22
VCC
26
TEST
44
RA1
13
R31
U1
14
15
56
34
74LS14
U2:B
U2:C
VF1
VLG
VDSP
VLG
VLG
FB2
VM T
3
5
1
4
IN32IN2
IN1
VCC
GND
OUT26OUT3
OUT1
U3
LB1268
7
8
VM T
AB
2
1
CN4:A
CON-BOX;2P ,2.5MM,ST
231
CON-BOX;8P ,2.5MM,ST
CN5:A
MOTOR
SOLE
Pf
G2G3G5G6G8
G9
FG 97D 6 (Front 9 Digit)
G7
G4
G1
Pg
Ph
PePbPc
Pf
63
4
5
D1562D14
R108R20
R119R21
R30
nINT0
16
U2:A
74LS14
14
74LS14
1 2
1KR12
VLG
4
568
MOTOR
G8
G5G2G6
G9
G3
42
32
35
38
57D956
60
55D758
D8
D1259D11
D1061D13
R50
nINT1
18
17
U2:E
U2:D
7
74LS14
74LS14
9 8
11 10
C15
10nF
C14
10nF
C13
10nF
33
R9339R9040R91
R7131R70
R8034R73
R8337R82
R7236R81
D8
1N 4003
VDSP
C6
47uF
R10
4.7K
1/2W
50V
FB4
R16
1.8K
C5
1000uF
R14
1.8K
VF1 VLG
R13
1.8K
1KR11
1KR15
VF2
FB5
FB3
7
SEN#1
SEN#2
VBK
SEN#3
PRINTER M-42V S PO O L
16V
1N4003
D7
ZD12B M
D5
1N 4148
D12
C7
470uF
16V
100nF
C26
D11
1N 4148
2
1
CN3:B
CN3:A
3 4 56 7 8 9
R40
15
FB1
Separate GND
AA
BACKUP
CON-BO X;2P,2.5MM,ST
BATTE RY
10nF
200K
R21
VLG
[P]
[CO M]
10K
R9
51K
R7
VLG
10K
R8
VLG
5.6K
R20
VLG
7.5K
R17
VLG
74LS14
U2:F
43
22
51D327
R6029R4228R41
R4030R4341R92
RESET
SEM 100(61408)
C3
VLG
1
3
1N 4751A
D6
CONVERTER(6.6V /5V /30V )
2 1
KS C 945-G
Q1
Q10
100nF
C20
KS C 945-G
13 12
Q11
100nF
4.7uF
50V
C4
2
3
3
2
2
3
C8
VLG
1
62K
R5
62K
R19
VRAW
C22
100nF
1
KS C 945-G
Q9
VLG
100nF
C16
1
62K
R18
1uF
50V
VLG
KS C945-G
R1
270
R2
TIP31C
R4
Q3
1K
2
UZ4.7B
D9
FILM
C11
100nF
FILM
C12
100nF
2
1
3
KS C945-G
Q2
330
R3
100nF
C10
Q7
10K
R23
CN1:A
CN1:B
CON-BO X;2P,2.5MM,ST
DRAW ER
1
2
3
KS C 945-G
Q5
2
4.7K
R27
KS C 945-G
Q4
R29
R30
10K
VLG
1
3
2
1K
VM T
1N 4003
D10
1N 4003
D4
1N 4003
D3
C2
C9
C1
4700uF
35V
100nF
4700uF
35V
VRAW
4
1
V4.0
Rev
PKM 24SP
BU ZZER
1
3
KS C 945-G
Q8
2
R26
2K
10nF
C19
1
3
Shin H eung Precision Co., Ltd.
KS C 945-G
2
47K
R25
R24
10K
BUZZE R
3
2
1
Q6
KS D 288-Y
1
100K
R28
1
3
2
2.2K
BUZZE R
23
50
FUSE1
D2
R61
OSC2
46
X1
4M H ZR61M
OSC1
45
GND
47
100nF
C27
14
D1
2KB P02M
2
250V,2A
2
1
CN2:A
POW ER PCB
10pF
C18
10pF
C17
3
CN2:B
CON-BO X;2P,2.5MM,ST
POW ER TRAN SFORM ER
of
H yun-Oh,Yun
1
Draw n by
Sheet
MAIN SCHEMATIC
ER-150 MAIN
ER 150 MAIN.SCH
2004.02.09
TITLE :
A3
Date
Size
File Name
C D
B
1
2
3
4
SAM4S ER-150 9-1
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