Epson 2080 Service Manual - Page 20

C273 Main Board

Get Epson 2080 - LQ B/W Dot-matrix Printer PDF manuals and user guides View all Epson 2080 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 20 highlights

LQ-2080 1.5.1 C273 Main Board Table 1-12. Relationship between Program ROM and CG Destination Program ROM(IC10) CG ROM(IC6) Comments Standard 8 M bit TDD21 None Standard Character is stored in the Program ROM. Europe 8 M bit TDD25 None Standard Character is stored in the Program ROM. TAIWAN 4 M bit TDD27 32 M bit M320A19 Program ROM and CGA ROM are completely independent. Korea 4 M bit TDD30 8 M bit M80C00 A Program ROM and CGROM are completely independent. China 4 M bit TDD29 16 M bit M160B11 A Program ROM and CGROM are completely independent. NOTE: " " represents the version information. Revision A Figure 1-2. C273 Main Board Product Description Main Components 20

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
LQ-2080
Revision A
Product Description
Main Components
20
1.5.1
C273 Main Board
Table 1-12.
Relationship between Program ROM and CG
NOTE:
"
" represents the version information.
Figure 1-2.
C273 Main Board
Destination
Program
ROM(IC10)
CG ROM(IC6)
Comments
Standard
8 M bit TDD21
None
Standard Character is
stored in the Program
ROM.
Europe
8 M bit TDD25
None
Standard Character is
stored in the Program
ROM.
TAIWAN
4 M bit TDD27
32 M bit M320A19
A
Program ROM and CG-
ROM are completely
independent.
Korea
4 M bit TDD30
8 M bit M80C00
A
Program ROM and CG-
ROM are completely
independent.
China
4 M bit TDD29
16 M bit M160B11
A
Program ROM and CG-
ROM are completely
independent.
H
e a d D
r iv e
TR
A
N
S
IS
TO
R
C
N
2
IC
1 C
P
U
TM
P
96C
141
IC
3
G
A
TE
A
R
R
A
Y
E
05B
42
IC
1 0 P
-R
O
M
IC
5
E
E
P
R
O
M
IC
7 P
-R
O
M
( n o t m
o
)
C
N
15
C
N
14
C
N
1
IC
6(C
G
-R
O
M
)
C
N
10
IC
1 2 A
2917
S
LA
7024M
C
N
8
C
N
9
C
N
13
C
N
12
C
N
16
C
N
7
C
N
17
C
N
3
C
N
4
C
N
5
C
N
6
C
N
11
IC
8(P
S
-R
A
M
)