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1.5 MAIN COMPONENTS
The main components of the Stylus Pro XL are:
❏
Printer mechanism (M-4A60)
❏
Main control board (C162 MAIN Board)
❏
Power supply unit (C137 PSB/PSE Board)
❏
Control panel board (C137 PNL Board)
❏
Housing
1.5.1 Main Control Board (C162 MAIN Board)
The Main Control Board (C162 MAIN Board) consists of an H8/3003 16-bit CPU, E05A96 gate array, a
program ROM (4M), a dynamic RAM (4M), a mask ROM (4M or 8M), an EEPROM (1K), and a lithium
battery for powering the protect counters. The reset IC (M51955 and PST 592) is equipped with both a logic
system and a power system. The 8M program ROM is used only for the NLSP (National Language Support
Printer) specification.
GA E05B09 (IC2)
CPU (IC1)
4 M D R AMs
(IC5, 6)
Progr am
ROM (IC3)
Mask ROM
M160A69
(IC16)
Mask ROM
M80B00
(IC17)
Figure 1-9. C162 MAIN Board Component Layout
Stylus Pro XL
Product Description
Rev.A
1-19
Summary of Contents for Stylus Pro XL
Page 1: ...EPSON COLOR INKJET PRINTER Stylus Pro XL SERVICE MANUAL EPSON 4004677 ...
Page 93: ...Rev A 5 i ...
Page 127: ...EPSON ...