Preliminary datasheet for the PM042OX1 display panel, provided as a 483 KB PDF. Being marked preliminary, figures inside may have changed in the final release, so treat timing and electrical limits as a guide rather than a guarantee. The 042 code suggests a 4.2 inch class panel. Typical contents cover outline dimensions, connector pinout, supply rails and drive waveforms, which help when diagnosing a blank screen or sourcing a compatible replacement. Verify the label on the module matches this part number.
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.