PDF datasheet for the PS12864LRF-XM1-H display module, 204 KB in size. The 12864 portion usually indicates a 128 by 64 dot matrix, and the suffix letters encode variant options such as backlight, viewing mode and temperature range. Such a sheet normally lists the interface pinout, electrical characteristics, timing diagrams and mechanical drawing. When repairing equipment fitted with this panel, compare the exact code on the module label with this document, since suffix variants can differ in voltage and backlight wiring.
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