LQ-2180 Revision A
Product Description Main Components 22
1.4.1 C272MAIN Board
The C272MAIN Board is composed of the CPU (TMP96C141), gate
array (E05B42), program ROM that integrates the CG, EEPROM, and
24 transistors used to drive the printhead.
Note the C272MAIN Board has the following 4 versions; 1) Standard
version, 2) NLSP version, 3) Korean version, and 4) Thai version.
However, ICs are attached in two different ways, which varies
depending on the version, as shown in the red boxes in the figure
below.
Figure 1-4. C272MAIN Board
H ead D rive
TRANSISTOR
CN2
IC 1 C P U
TM P 96C 141
IC 3
GATE ARRAY
E05B42
IC10 P-ROM (4M)
IC 5
EEPROM
IC 7 C G -R O M (8 M )
CN15
CN14
CN1
CN10
IC 1 2 A 2 9 1 7
SLA7024M
CN8
CN9
CN13
CN12
CN16
CN7
CN17
CN3
CN4
CN5
CN6
CN11
IC 1 0
IC 7
IC 6
Program & C G
(8 M b it)
(Standard/N LS P/Thai)
CG ROM(8M bit)
IC 1 0
IC 6
N o t M o u n te d
(Korean)
Program (4M bit)
CG ROM (8M bit)
IC 6
(K orean Version O nly)
http://www.4008109977.com guangzhou epson service :020-84207330
To Next Page
Loading...
