Character LCD datasheet for PC4001ARS-LEB-A, a 127 KB PDF. The PC4001 code indicates a single line display of 40 characters, while ARS-LEB-A defines backlight, viewing mode, temperature range and revision A. Look in it for the interface pinout, controller instructions, timing, supply and contrast voltage figures plus mounting dimensions. It is useful for bench-testing a module, diagnosing missing segments or wiring a replacement into an instrument panel. Verify that the suffix on the physical module agrees with this exact variant before trusting the specifications.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @acodis_lcd_datasheets_EDID. Enginerys does not host this file.
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The standard format for schematics, block diagrams, power-sequence charts and service manuals.