PDF datasheet for the PH320240T-001-I33Q LCD module, 336 KB. The 320240 group indicates a 320 x 240 dot graphic display, and the trailing code identifies a particular build variant, so other suffixes may differ in backlight or temperature range. Use it to look up the interface pinout, controller type, logic and LCD drive voltages, and backlight current when servicing equipment built around this panel. Read the complete marking on the module before relying on the pin table, since similar parts can be wired differently.
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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