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PostPosted: Mon Nov 24, 2008 13:32 

Joined: Sun Nov 23, 2008 15:58
Posts: 1
Location: Udine - Italy
Hi, first of all thank you all, reading this forum I have already wired a couple of ks108 and a lot of HD44780.
Some days ago I have bought a 128x128 sed 1335foa display for 15€. I can't contact the vendor, because it was an electronic faire market.
Someone have already wired a similar display? I can't even find a datasheet.
Here are the infos:
On the back it mounts a sed 1335foa controller, 2 x Toshiba T6A40, 1 x unidentified controller with this tag: "QC pass 971201532" and another one with this tag: "MGCS123128-01 MGCS123128-ccfl JOB:A9701004".
It mounts a CCFL Illumination.

From what I have understood reading the threads about sed133x I have to:
1- Connect it to the lpt like other displays (so i need the wiring scheme)
2- Build an inverter for ccfl (anyone has a scheme?)
3- Build a circuit for the negative voltage (I don't know if this point is necessary).
Is it right? This project is a bit more difficault than the ks108 ones.
Someone can't dissipate my doubts? Thank you very much, and sorry for my english, I am a bit rusty.
The pics:


 Post subject:
PostPosted: Tue Nov 25, 2008 22:18 

Joined: Sun May 05, 2002 22:05
Posts: 2063
Location: Lappeenranta, Finland
With the SED1335 datasheet you could probably trace the pinout to the connector for the data signals.

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