Epson LX-300 Service Manual

LX-3(IO Sarvice Manual
Ptvduct Daactiption
1.5 MAIN COMPONENTS
The
main components of the LX-300 is designed for easy removal and repair. The main
components are;
■ C130 MAIN BOARD: Control board
■ C130 PSB/PSE (120V / 220-240V) BOARD: Power supply board
■ M-3G1O: Printer mechanism
9 Housing
1.5.1 C130 MAIN Board
The C130 MAINboard consists
etc.
PROM
(Program
1 CG)
\
2SC5060
/
>
(PF MOTOR Driver)
000 (Printhead Driver)
I y /’
00
00
000
n—
000
%
of an E01A09 (CPU), a Program/CG ROM, a RAM, an EEPROM,
E01A09 (CPU)
- 2SC5~
SLA7022M
UPC78M05AHF
(CR MOTOR
(Regulator IC)
DRIVER)
SUB PCB
(COLOR OPTION)
Figure 1-9. C130 MAIN Board Component Layout
1.5.2
C130 PSB/PSE Board
The C130 PSB/PSE power supply board consists of a transformer, switching FETs, regulate IC,
diode bridge, etc. This board has two ratings for input AC voltages.
Switching FET
Diodde Bridge
Transformer
Power Switch
Fuse
/
0
0
❑ “
o
)
\
Regulater IC
Figure 1-10. C130 PSB/PSE Board Component Layout
Rev. A
1-21
,,

Epson LX-300 Specifications

General

Print Method	9-pin impact dot matrix
Interface	Parallel
Paper Handling	Friction feed, tractor feed
Weight	4.4 kg
Operating Environment	Temperature: 5 - 35°C, Humidity: 10 - 80%