LCD Display ST7565 (TG12864H3-05A) defekt?

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hallo,

ich probiere im moment ein lcd st7565 (tg12864h3-05a) zu laufen zu bekommen, aber es tut absolut nix!?

wenn ich den a+ pin über einen 220 ohm widerstand +5v anschließen und irgendeinen der r-/g-/b- pins auf masse ziehe, müsste doch die hintergrundbeleuchtung leuchten, oder?

na immerhin gibt es eine bezeichnung fürs display, schöner wäre natürlich gleich der link zum datenblatt: http://www.adafruit.com/datasheets/tg12864h3-05a%20en_v1.0.pdf
auf seite 7 sieht man ein blockschaltbild, demnach kann man das mit der hintergrundbeleuchtung schon machen, wie du es dir vorstellst. wenn das schon nicht funktioniert, schaltung nochmal überprüfen. entweder ist da ein bock drin oder das display hat einen schaden.


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