Chapter 2: Analyzer Description ABL77 Service Manual
Upper Module
Introduction
This section provides a description of the upper module of the ABL77 analyzer.
The upper module contains the display components and disk drive (see the
following figures).
Components
• Resistive Touch Screen: Located in front of the LCD display. It reacts to gentle
pressure from a finger or wand to supply the ABL77 with user input.
• LCD Display: This is a 640 x 480 resolution, backlit, VGA, color display used
as the primary method to provide display information to the user.
• Backlight Inverter Board: This board converts then supplies the power to the
LCD display and the backlight bulb.
• Diskette Drive: This drive is a standard 3.5 inch floppy drive for 1.44 M-byte
diskettes. Its primary use is to download records and settings, and is used to
upgrade software.
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2-26 Rev. F
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