Epson 2080 Service Manual - Page 20
C273 Main Board
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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
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
)