Rev. B
A-11
TM-U200D/U200PD Technical Manual
/
Main Circuit Board C Diagram
CR A
CR C
CR COM
CR B
CR D
PF A
PF C
PF COM
PF B
(ROTOR)
(ROTOR)
+
2
4
B
8
6
4
2
9
7
5
3
1
0
1
QM3
8
6
4
2
9
7
5
3
1
0
1
QM4
D9
1
2
3
4
5
6
7
8
RM1
1
2
3
4
5
6
7
8
RM2
Q14
Q16
Q18
Q20
1
1
2
2
3
3
4
4
5
5
CN6
1
1
2
2
3
3
4
4
5
5
CN5
D29
D30
D31
D33
D34
D35
D36
GND
CR A/DSW1
CR B/DSW2
CR C/DSW3
CR D/DSW4
PF A/DSW5
PF B/DSW6
PF C/DSW7
PF D/DSW8
CR A/DSW1
CR B/DSW2
CR C/DSW3
CR D/DSW4
PF A/DSW5
PF B/DSW6
PF C/DSW7
CR/PF[A..D] & DSW[1..8]
HEAD[1..9]
+24B
+5V
+5V
#1
D17
D18
D19
D20
D21
D22
D23
D24
D1
D16
Q15
Q17
Q19
Q21
AC1/DSEL
#8
D14
+5V
ELED/DSW9
D25
AC2/DSEL
DSW1
Q38
Q28
Q39
R27
DSW2
#1
#4
PLED/DSW0
R29
R8
+5V
A15
A14
A13
A12
A11
A10
A8
A9
A18
A17
A16
A[8..18]
RD
ALE
C26
GND
R44
CR A/DSW1
CR B/DSW2
CR C/DSW3
CR D/DSW4
PF A/DSW5
PF B/DSW6
PF C/DSW7
PF D/DSW8
HEAD1
HEAD9
#25 RST
DSR RST
DSR OR #25
X1
ALE
33
A15
50
AD6
41
AD5
40
AD4
39
AD3
38
AD2
37
AD1
36
AD0
35
AVCC
5
AVSS
6
VCC
34
VSS
78
VSS
51
RESET
21
RD
60
WR
61
P72/RXD1
18
P73/SCLK1
19
P74/TXD1
20
A12
47
A13
48
A14
49
P66/AN6
13
P32
62
P33
63
P63/AN3
10
P51/TO4
73
VSS
23
VCC
15
VCC
75
P65/AN5
12
P64/AN4
11
P62/AN2
9
P61/AN1
8
P60/AN0
7
P50
72
P47
71
P46
70
P45
69
P44
68
P43
67
P42
66
P41
65
P40
64
EA
26
CLK
22
NMI
2
P80/WDTOUT
30
P20/M00
52
P21/M01
53
P22/M02
54
P23/M03
55
P90/M10
56
P91/M11
57
P92/M12
58
P93/M13
59
X1
24
X2
25
AD7
42
A8
43
A9
44
A10
45
A11
46
P77
29
P76
28
P75
27
P71
17
P67/AN7
14
P100
3
P101
4
P82
32
P52/TO5
74
P53/INT1/TI4
76
P54/INT2/TI5
77
P57/TO3
1
P55/WAIT/TO1
79
P56/INT3/TI2
80
P70
16
P81/INT0
31
U5
R50
OUT
5
GND
3
IN
1
C
4
NC
2
U9
Q31
Q32
MCE
+5V
#RST
WR
R49
D26
C27
A18
A17
A16
C42
RM6
2
3
4
5
C28
DSR RST
#25 RST
#RST
R25
R26
C24
C25
PCE
+
5
V
D
S
R
R
S
T
#
2
5
R
S
T
#
R
S
T
RD
GND
+5V
4
2
UN12
CNN18
A
1
8
WR
RD
W
R
A18/NC
1
A16
2
A15
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
DQ0/D0
13
DQ1/D1
14
DQ2/D2
15
GND
16
DQ3/D3
17
DQ4/D4
18
DQ5/D5
19
DQ6/D6
20
DQ7/D7
21
CE
22
A10
23
OE
24
A11
25
A9
26
A8
27
A13
28
A14
29
A17
30
WE/A18
31
VCC
32
UN11
MCE
JN1
JN2
1
1
2
3
4
5
6
7
8
9
11
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
CN4
R21
RES
C15
AD3
AD4
AD5
AD6
AD7
A10
A11
A9
A8
A13
A14
RD
DET
RTS
CLK/DTR
SD
RD
R47
R48
DK2
DK1
DKS
CTS
DK2
DK1
C39
8
6
4
2
9
7
5
3
1
0
1
QM5
+5V
DKS
+24A
+
2
4
A
+
5
V
+
2
4
I
N
G
N
D
P
.
G
F.G
P.G
DK2
+24A
DKS
DK1
U8 with IC SOCKET
#
R
S
T
R24
R28
P.G
D2
D15
R52
Q34
A12
AD0
AD1
AD2
A0
A1
A2
A3
A4
A5
A6
A7
A15
AD3
AD4
AD5
AD6
AD7
A10
A11
A9
A8
A13
A14
RD
A17
A16
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
D0
11
D1
12
D2
13
GND
14
D3
15
D4
16
D5
17
D6
18
D7
19
CE
20
A10
21
OE
22
A11
23
A9
24
A8
25
A13
26
A14
27
VCC
28
A15
1
U8
A[0..7]
GND
GND
PCE
+
2
4
A
+
5
V
+
2
4
I
N
G
N
D
P
.
G
MCE
120nS
FG
1
DKD 1P
2
DKD SW
3
+24V
4
DKD 2P
5
SG
6
CN2
R43
R1
R14
D8
D46
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
AD[0..7]
A12
AD0
AD1
AD2
A0
A1
A2
A3
A4
A5
A6
A7
A15
HEAD8
HEAD7
HEAD6
HEAD5
HEAD4
HEAD3
HEAD2
C31
NE
RE
HP DET
HD TEMP
V DTC
AC RST
RD
SD
DET
CTS
RTS
CLK/DTR
DKD1
DKD2
DK S
WDTOUT
+24COM SW
CRCOM SW
PFCOM SW
+24A
C4
PF SW
DET
RTS
CTS
R10
R11
R12
RD
SD
CLK/DTR
+5V
DKD1
DKD2
DK S
R13
+
2
4
D
T
Q29
Q30
AC1/DSEL
ELED/DSW9
PLED/DSW0
P
L
E
D
/
D
S
W
0
AC2/DSEL
1
2
4
5
3
D
Q
14
17
13
18
3
4
7
19
2
5
6
9
8
12
15
16
C40
120nS
+
5
V
G
N
D
RM5
OC
1
G
11
V
C
C
2
0
G
N
D
1
0
U7
C32
RES
RES
PF D/DSW8
C29
C30
HEAD1
HEAD5
HEAD6
HEAD2
HEAD3
HEAD7
R19
C19
HD T
HEAD4
+5V
GND
AVCC
+
5
V
G
N
D
+5V
+
2
4
B
+
2
4
B
+24C
+
2
4
C
+5V
GND
P
F
S
W
+
5
V
+24DT
R41
Q5
Q7
Q12
Q9
Q35
Q36
P
L
E
D
/
D
S
W
0
+5V
E
L
E
D
/
D
S
W
9
E
L
E
D
/
D
S
W
9
GND
R46
R45
R15
SW2
C33
R18
D50
PF D
FG
#2
#4
#6
#8
#9
COM(#1,2,9)
THEM1
THEM2
COM(#3,5,7)
COM(#4,6,8)
#5
#7
#1
#3
G
N
D
+24C
G
N
D
R20
D10
8
6
4
2
9
7
5
3
1
0
1
QM1
1
2
3
4
5
6
7
8
RM3
Q4
Q8
Q10
1
2
3
4
5
6
7
8
9
11
10
12
13
14
15
CN7
D27
D28
D32
D37
D38
D39
D40
Q13
D41
D42
D44
Q6
8
6
4
2
9
7
5
3
1
0
1
QM2
R36
R38
R37
R39
+5V
GND
C23
REC
HPC
NEC
+5R
GND
1
2
1
2
+
2
4
A
GND
IN1
1
IN2
2
OUTA
3
OUTA
5
VM
7
GND
4
U6
+24A
R34
N.E
GND
AC M1
AC M2
GND
C22
R.E
+5V
H.P
GND
C44
1
2
R53
D7
R40
C46
1
1
2
2
3
3
4
4
CN8
1
1
2
2
3
3
4
4
CN9
1
1
2
2
CN11
R16
C20
D43
D45
R57
R58
1
2
3
4
5
6
7
8
RM4
HEAD9
HEAD8
RE
HP DET
NE
+24A
+24B
+24C
+5V
GND
+5V
(PAPER)
(ERROR)
(FEED)
R56
Q11
AC1/DSEL
C17
1
2
D12
1
2
D11
R55
AC2/DSEL
HEAD COM
A/C COM
DKD COM
C6
+24A
+24B
+5V
GND
+24A
+24B
+24C
+5V
GND
(POWER)
CR COM
+24DT
GND
D3
D4
D5
R54
1
2
D13
C7
C45
C16
VOUT
3
SEN
4
VIN
5
G
N
D
1
SW
2
U2
VOUT
3
SEN
4
VIN
5
G
N
D
1
SW
2
U3
with heat sink
125V,T2A
F1
+30V
GND
N.C
F.G
C10
R5
R6
R7
CRCOM SW
+24COM SW
PFCOM SW
GND
+5V
GND
+24IN
+24IN
G
N
D
WDTOUT
+5V
1
1
2
2
3
3
SH
4
CN1
+24DT
+24DT
P.G
GND
P.G
R17
D6
Q3
Q2
Q1
L1
U2-U4
C14
C11
C12
D47
D48
D49
Q27
Q24
GND
R59
VOUT
3
SEN
4
VIN
5
G
N
D
1
SW
2
U4
R9
FG
F.G
GND
+5I
GND
1
2
SW1
C13
C5
C8
+24C
+5V
GND
PF COM
1
+5V
1
GND
IN
10
OUT
1
G
5
LIN
6
U1
C9
C2
C1
C41
C3
R42
AC RST
R35
C21
GND
AC RES
Summary of Contents for TM U200D - B/W Dot-matrix Printer
Page 2: ...technical manual TM U200D U200PD EPSON English 4005680 ...
Page 4: ...EPSON SEIKO EPSON CORPORATION Printed in Japan E9608130 0000SE ...
Page 145: ...Rev B Disassembly Assembly and Adjustment 5 49 TM U200D U200PD Technical Manual ...
Page 146: ...5 50 Disassembly Assembly and Adjustment Rev B ...
Page 147: ...Rev B Disassembly Assembly and Adjustment 5 51 TM U200D U200PD Technical Manual ...
Page 148: ...5 52 Disassembly Assembly and Adjustment Rev B ...
Page 154: ...Appendix A 6 Rev B Main Circuit Board A Parts Layout ...
Page 155: ...Rev B Appendix A 7 TM U200D U200PD Technical Manual Main Circuit Board C Parts Layout ...
Page 156: ...Appendix A 8 Rev B RS 232 Serial Interface Circuit Board Parts Layout ...
Page 169: ...Rev B A 21 TM U200D U200PD Technical Manual Case Unit Lubrication Points Diagram ...