LCDInfo.com

http://www.lcdinfo.com
It is currently Thu Mar 28, 2024 10:30

All times are UTC + 2 hours




Post new topic Reply to topic  [ 26 posts ]  Go to page 1, 2  Next
Author Message
PostPosted: Fri Feb 18, 2005 20:16 
Offline

Joined: Sun Jan 09, 2005 17:13
Posts: 20
I found this display yesterday, so I think that maybe I can wire it to my PC. But problem is, I did not found much info about the display.

I can found these informations from display:
Hitachi LM300XN

97-24433-0

and there are these chips:
One of: Sanyo LC7942
Three of: Sanyo LC7941
Three of: Sanyo LC7940

I hope someone can find more information and maybe wiring for this display.


Top
 Profile  
 
 Post subject:
PostPosted: Sat Feb 19, 2005 11:03 
Offline

Joined: Wed Sep 08, 2004 21:40
Posts: 74
This display seems to have no controller. The Sanyo ics are only common and segment drivers. You can follow the pins of the ics and compare it to one of the schematics at the end of the datasheets. Then you need a controller like the Epson SED1330/1335 for it...

Could you make and upload some pics of the display?

Datasheets for the ics can be found there:
LC7940+LC7941 -> http://www.pacificdisplay.com/ics_app%2 ... 0-41YC.pdf
and there:
LC7942 -> http://www.pacificdisplay.com/ics_app%2 ... LC7942.pdf


Top
 Profile  
 
 Post subject:
PostPosted: Sat Feb 19, 2005 11:16 
Offline

Joined: Sun Jan 09, 2005 17:13
Posts: 20
Yeah I can, I'll do it later today :) But do you know how to wire that Epson SED1330/1335 with it and LPT port? cause this display is from barometer ;P so I think I maybe can find some controller chips from it.. cause I have the whole barometer, but it's broken, but I think display is working :)

But I'll take those pics soon


Top
 Profile  
 
 Post subject:
PostPosted: Sat Feb 19, 2005 11:44 
Offline

Joined: Sun Jan 09, 2005 17:13
Posts: 20
Now here is some pics:

Image

Image


Last edited by Trolex on Mon Feb 21, 2005 22:07, edited 1 time in total.

Top
 Profile  
 
 Post subject:
PostPosted: Sat Feb 19, 2005 13:52 
Offline

Joined: Wed Sep 08, 2004 21:40
Posts: 74
That looks to me like a 240x64 display or anything like this...

You can download the SED datasheet here for example: http://lcdhype.mod-extreme.info/lcdhype ... 40&index=0

On page 133 you can find an example that shows how to connect the controller to a display and to the microcontroller (your pc)...

But first you should try to find out how the ics on your display are connected to each other.


Top
 Profile  
 
 Post subject:
PostPosted: Sat Feb 19, 2005 17:29 
Offline

Joined: Sun Jan 09, 2005 17:13
Posts: 20
:/ I'm quite new with these things so I need help :< I don't know how to make wirings, can someone make me wiring for this display? and where can I get those SED1335 chips


Top
 Profile  
 
 Post subject:
PostPosted: Sun Feb 20, 2005 11:04 
Offline

Joined: Wed Sep 08, 2004 21:40
Posts: 74
Do you have a "multimeter"? I don't know the right english word for what i mean. You can measure resistance, current, voltage, etc. with that...

You need the SED, a crystal oscillator, (display) ram and some resistors and capacitors. And time... ;)

Where are you from? I only know where to get the SED in Germany. It costs about 15€.


Top
 Profile  
 
 Post subject:
PostPosted: Sun Feb 20, 2005 12:03 
Offline

Joined: Sun Jan 09, 2005 17:13
Posts: 20
Yes I have multimeter, and I'm from Finland..

I found some chips which were in same machine as the display,
there are two connection spikes, 10-pin connector, and 20-pin connector, and there is one chip which is Sanyo LC3517BL-15. there is some other chip too, but I don't know what it is.


Top
 Profile  
 
 Post subject:
PostPosted: Sun Feb 20, 2005 16:23 
Offline

Joined: Wed Sep 08, 2004 21:40
Posts: 74
Could you make a picture of that, too? And post all the ic names you can find


Top
 Profile  
 
 Post subject:
PostPosted: Sun Feb 20, 2005 16:24 
Offline

Joined: Sun Jan 09, 2005 17:13
Posts: 20
I'll take pics soon. And I'll post everything what I can found :)


Top
 Profile  
 
 Post subject:
PostPosted: Sun Feb 20, 2005 16:28 
Offline

Joined: Wed Sep 08, 2004 21:40
Posts: 74
The Sanyo LC3517BL-15 is the ram of the controller


Top
 Profile  
 
 Post subject:
PostPosted: Sun Feb 20, 2005 16:28 
Offline

Joined: Sun Jan 09, 2005 17:13
Posts: 20
Hm.. is there any display controllers from sanyo? or toshiba? cause there was two toshiba chips I'll post description of them soon


Top
 Profile  
 
 Post subject:
PostPosted: Mon Feb 21, 2005 8:09 
Offline

Joined: Sun Jan 09, 2005 17:13
Posts: 20
Hitachi HD61830, I found that chip from the other card which was in the same machine, I think it's lcd graphic controller cause I found it with google, now I need to know how to wire this HD61830 to lcd display, and how to wire it to lpt.


Top
 Profile  
 
 Post subject:
PostPosted: Mon Feb 21, 2005 9:04 
Offline
User avatar

Joined: Sat Apr 17, 2004 17:42
Posts: 467
Location: The Netherlands
The HD61830 is indeed a supported controller, wiring examples can be found here.

_________________
My Plexeon-Insane LCD!-Or this one!-LCDinfo-LCDStudio


Top
 Profile  
 
 Post subject:
PostPosted: Mon Feb 21, 2005 9:16 
Offline

Joined: Wed Sep 08, 2004 21:40
Posts: 74
Is there no cable between those cards?
I only worked with SED until now - i first have to read the datasheet of the Hitachi


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 26 posts ]  Go to page 1, 2  Next

All times are UTC + 2 hours


Who is online

Users browsing this forum: No registered users and 32 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Search for:
Jump to:  
cron
Powered by phpBB® Forum Software © phpBB Group