birdie
22/5/03 09:11:20 PM
Overlord
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I have a non-backlight LCD from DSE
What i want to know is, can i solder a LED for the backlight on? i remember reading that the PCBs are identical except for the LED disclusion. i may be wrong though. -----
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daviej37
22/5/03 09:29:48 PM
Serf
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You can solder leds to the points [a] and [k]. Unfortunately the screen isn't mounted as high as the backlit model and you can't even fit an smd led under there, leaving mounting to the outside and that will localise the light and won't illuminate very well...Sorry:( -----
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ADO
22/5/03 10:04:38 PM
Champion
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yeah i had the backlit one but sold it, you can get a whole stack of leds and put them around the outside of the thing,(look at nokia phones backlights and youll know what im talking about)that will give you some light. -----
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gnosis
22/5/03 10:56:30 PM
Charge
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put a high intensity led at each end and it should look okak -----
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Belial
22/5/03 11:02:37 PM
Overlord
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yeah a high intensity with as wider viewing angle as you can get might work. -----
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Goth
23/5/03 09:27:58 PM
Champion
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The PCB's ARE NOT the same, but you can just manually connect up the LED wiring and it's fine
I just used 5mm LEDS, ground down on a belt sander till they were flat enough to fit - sand in the same plane as the metal bits in the LED. Using 2 the effect is OK, but not as good as a real backlight. The first time, try with a cheap LED to ensure you don't stuff it with 5 buck leds -----
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OwenTheGreat
24/5/03 11:54:21 AM
Champion
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The actuall glass LCD is also different, there is a reflective strip on the back of non backlit LCD's that will not let light from leds pass through it event if you get them under there. And trust me, removing the strip does not work! if you used laserdiodes then you will get a dull backlight. -----
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Goth
24/5/03 03:12:40 PM
Champion
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I tried it with 20Cd Red led's and the light penetrates a bit, but it doesn't even come close to real backlight LCD's and its limited to two spots. Pitty i don't have a digital camera, else i'd show you. If you try pulling the LCD to bits you'll probably never get it to go again, the rubber conductor things are a prick to line up again - I did that the first time i tried this - removing the strip allows light to pass readily through - although it looks better being diffused a bit by the reflective layer, and you'll probably kill the module.
Maybe see if Oatley Electronics has some cheap LED backlights -----
"Overclocking the processor is not recommended. It may result in a slower speed" Asus A7V333 manual - WTF?
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P.YO
28/5/03 05:52:38 PM
Serf
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I made the LCD thingo, tested it with LCDprint (works fine), but can't get it to work with LCDcenter 2.0.
How to set it up as LPT (parallel port) instead of COM1 (serial port). -----
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swherdman
28/5/03 08:45:11 PM
Champion
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you cant
try a program called cristal control. christal fontZ website. Its the eassest to use or if you are more adventoruss try LCD Smartie -----
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swherdman
28/5/03 08:48:20 PM
Champion
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also see http://forums.bit-tech.net/showthread.php?s=&threadid=5582 great guide there -----
Worning im a bad speller
[20:29] <@Flouncy> hey! There is Only Swerdman
To work out what i just wrote copy it into word and press F7
LONG LIVE ATOMIC
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0M39A_1337
1/6/03 11:37:08 PM
Champion
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CrystalControl is an awesome program, heaps better than anything else i have tried. i, by far, reccomend this above anything else -----
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http://pcdb.overclockers.com.au/view.php?name=omega
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Linux_Inside V2
3/6/03 09:12:25 AM
Charge
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try putting masking tape on the back of the lcd instead of the reflective strip -----
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