
100NF
25V
100NF
25V
100NF
25V
100NF
25V
100NF
25V
100nF 25V
100nF
25V
100nF 25V
10uF
16V
10uF
16V
2R7
1%
LM358
+5VD
510R
10K
+5VD
+5VD
10R
20K
HEF4066B
Y2
E2
E3
Y3
E1
Y1
E0
Y0
VSS
VDD
Z0
Z1
Z2
Z3
3K3
10nF
+5VD
1uF
16V
LM358
+5VD
47K
+5VD
220uF
25V
82K
1%
12K
24K
1R0
7K5
1%
LM386
CONNECTOR
SPEAKER
CONNECTOR
PRINT HEAD
CONNECTOR
PRINT MOTOR / SENSOR PCB
2.5V
1
2
3
4
5
6
7
8
9
PL10
9
8
7
6
5
4
3
2
1
12
10
11
PL1
2
1
PL5
2
6
1
8
4
7
5
3
U41
R99
R72
R62
R7
R4
C111
R168
20K
R60
PTH
8
3
2
4
1
U22
PMOTORA[H]
PAPER_OUT_CONTROL
C60
ALARM_FREQ
C77
R75
8
6
12
11
5
4
13
1
7
14
2
3
9
10
U29
R169
R3
ALARM0
ALARM1
ALARM2
ALARM3
R129
R14
PAPER_OUT
PMOTORA[L]
PMOTORB[H]
PMOTORB[L]
5
6
7
U22
HEAD_UP
PSTB6
PSTB5
PDATAIN
PDATAOUT
PLATCH[L]
PCLOCK
PSTB1
PSTB2
PSTB3
PSTB4
R154
C52
C53
C20
C19
C23
C24
C17
C18
C21
C22
Schematic, PRO Monitor Series 1-400
Main Board Assembly
P/N: 2008238-001 C
Sheet 4 of 9
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