Specification sheet for the PG12232ARU-ANN-A graphic LCD module, PDF, 162 KB. It belongs to the same family as other PG12232 entries, with the letter code indicating backlight, display mode and temperature range options. The document is useful for reading connector pinout, supply limits and dimensions while diagnosing a blank or faint display. Measure contrast and backlight voltages against the listed values, and confirm that the label on the module carries this exact code before using it as reference.
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.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.