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tari
PostPosted: Wed Nov 03, 2004 19:21 
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Joined: Mon Nov 01, 2004 20:11
Posts: 6
I am trying to connect sanyon 240*128 graphical lcd with LPT but I am not sure of the pins configuration.
I havent done much work on lcd's before this ,can any one help me out in solving this prb.
Thanks for the favor.

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Muhammad Tahir Muneer
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Henri
 Post subject:
PostPosted: Mon Nov 08, 2004 19:56 
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Joined: Sun May 05, 2002 22:05
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Location: Lappeenranta, Finland
First we should know the exact model of the lcd. Is the lcd itself made by Sanyo or is it only using Sanyo controller ?
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Henri
 Post subject:
PostPosted: Mon Nov 08, 2004 20:00 
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Joined: Sun May 05, 2002 22:05
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Location: Lappeenranta, Finland
tari wrote:
Henry its almost the same pin configuration only differnce is that in my controller sanyo hd61830 there is not sign in some pins like on CS and few others.
Does this connectivity will work for my controller too? and can u send me some help material for its driver.
Thanks

And you were referring here: http://forum.lcdinfo.com/viewtopic.php?t=548

Yes the basic connection is the same but your display may have the pins in different order. But when you can figure out the names and order of the pins in your lcd you can connect it following the pin names in that schematic. Also the negative voltage requirements and configuration may be different but we should have the datasheet for your lcd to know.
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tari
 Post subject: Exact Model Of LCD
PostPosted: Tue Nov 09, 2004 18:54 
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Joined: Mon Nov 01, 2004 20:11
Posts: 6
ok here is the Model I found writen on my LCD MGLS240128 V 3.1.


lookin forward for reply from your side.

Thanks

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Muhammad Tahir Muneer
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tari
PostPosted: Tue Nov 09, 2004 19:34 
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Joined: Mon Nov 01, 2004 20:11
Posts: 6
Here is the link to the web page ,


http://www.thinkgoldfish.com/downloads_ ... 240128.PDF


Now will you please guide me the pin configuration and how to attach my lCD pins with PC LPT1 .

Thanks!

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Muhammad Tahir Muneer
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tari
PostPosted: Tue Nov 09, 2004 20:01 
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Joined: Mon Nov 01, 2004 20:11
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This data sheet shows more closer model,

http://www.data-modul.de/upload/display ... 240128.pdf

Page 5-13 is for my lcd model(MGLS240128-LED03-STD2).

I hope now u have the full idea about my LCD model .

Thanks

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Muhammad Tahir Muneer
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Henri
 Post subject:
PostPosted: Sat Nov 13, 2004 13:15 
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Joined: Sun May 05, 2002 22:05
Posts: 2063
Location: Lappeenranta, Finland
Here is a straight copy from http://lcdhype.mod-extreme.info/lcdhype ... topic=1121

Code:
Varitonix MGLS240128 Series LC7981

LCD    -> Description     -> LPT
Pin 01 -> Vss Ground      -> Ground, Pin 18-25
Pin 02 -> Vdd 5.0V        -> 5.0V
Pin 03 -> V0              -> 0 .. -16.0V
Pin 04 -> RS              -> 16
Pin 05 -> R/W             -> 14
Pin 06 -> E               -> 1
Pin 07 -> Data0           -> 2
Pin 08 -> Data1           -> 3
Pin 09 -> Data2           -> 4
Pin 10 -> Data3           -> 5
Pin 11 -> Data4           -> 6
Pin 12 -> Data5           -> 7
Pin 13 -> Data6           -> 8
Pin 14 -> Data7           -> 9
Pin 15 -> /CS             -> Pin 18-25
Pin 16 -> /RESET          -> 5.0V
Pin 17 -> LED+            -> 5V + 100Ohm
Pin 18 -> LED-            -> Ground, Pin 18-25

Logic    -> Vdd-Vss = 6.0V Max
LC-Drive -> Vdd-Vo  = 22.0V Max


This should work with your lcd model.
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tari
 Post subject: THX!!!
PostPosted: Sat Nov 13, 2004 18:43 
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Joined: Mon Nov 01, 2004 20:11
Posts: 6
Well I was trying the same configuration and on V0 I was applying 0V as I didnt have any idea how to apply -ve voltage.

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Muhammad Tahir Muneer
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Henri
 Post subject:
PostPosted: Sun Nov 14, 2004 19:05 
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Joined: Sun May 05, 2002 22:05
Posts: 2063
Location: Lappeenranta, Finland
Here have been some circuits to make negative voltages if you are looking for one:
http://forum.lcdinfo.com/viewtopic.php?t=63
http://forum.lcdinfo.com/viewtopic.php?t=659
http://www.skippari.net/lcd/t6963c_schem.html
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