Earl''s LCD''s....
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Posts: 46,084
Thanks for the information Tracy,
Thanks also for your ongoing support of all of us on this
list. You give so very much of your time and knowledge resources - it's
much appreciated. Where do you come up with the time to provide all of
this help? I seem to just keep up with the volume of list e-mail much less
the time for the depth of contribution that you provide on a regular basis!
Tim Medema
At 09:16 AM 12/13/2001 -0800, you wrote:
> >Thanks Earl,
> >
> >I've tried many search engines using various combinations of the Part
> >Number: I 3984-4211-222-01 as shown on the LCD box label on the eBay item
> >page, but to no avail. No pin-out or driver information yet. Do know who
> >the manufacturer of the LCD is? That would help greatly. Do any portions
> >of the part number look familiar to any of you professionals on the list?
> >
> >Tim
> >
> >
> >Timothy Medema
> >CrystaLite, Inc.
> >3307 Cedar St. (425) 745-6000 800-666-6065
> >Everett, WA 98201 Fax: (425) 257-0232
> >
> >www.crystaliteinc.com
> ><mailto:timm@c...>timm@c...
>
>Hi Tim,
> My guess is that the part was produced on a custom contract, and
>the part number is for internal tracking. The fact that there were
>182 in the lot, as stamped on an overseas shipping container suggests
>that it was a prototype that didn't work out. They didn't even hold
>back one of them from your purchase. Maybe the project it was to be
>a part of was scuttled. These small LCD panels are almost always
>custom, and there is very little standard or "off-the-shelf"
>available.
>
>Where does that leave you? Does the chip have anything that looks
>like an ASIC, a blob of epoxy on the bottom or any chips? It doesn't
>look like it from the photo. If not, that may be better. It is a
>raw screen. If it is a raw screen you can start by applying an AC
>voltage to one pair of pins at a time, and see if any segments (or
>icons!) light up. (say, 5 volts square wave from a stamp at about
>1khz, through a 0.001uf capacitor).
>
>Good luck! It is a "black box" problem!
>
> -- regards,
> Tracy Allen
> electronically monitored ecosystems
> mailto:tracy@e...
> http://www.emesystems.com
>
>
>To UNSUBSCRIBE, just send mail to:
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>from the same email address that you subscribed. Text in the Subject and
>Body of the message will be ignored.
>
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Thanks also for your ongoing support of all of us on this
list. You give so very much of your time and knowledge resources - it's
much appreciated. Where do you come up with the time to provide all of
this help? I seem to just keep up with the volume of list e-mail much less
the time for the depth of contribution that you provide on a regular basis!
Tim Medema
At 09:16 AM 12/13/2001 -0800, you wrote:
> >Thanks Earl,
> >
> >I've tried many search engines using various combinations of the Part
> >Number: I 3984-4211-222-01 as shown on the LCD box label on the eBay item
> >page, but to no avail. No pin-out or driver information yet. Do know who
> >the manufacturer of the LCD is? That would help greatly. Do any portions
> >of the part number look familiar to any of you professionals on the list?
> >
> >Tim
> >
> >
> >Timothy Medema
> >CrystaLite, Inc.
> >3307 Cedar St. (425) 745-6000 800-666-6065
> >Everett, WA 98201 Fax: (425) 257-0232
> >
> >www.crystaliteinc.com
> ><mailto:timm@c...>timm@c...
>
>Hi Tim,
> My guess is that the part was produced on a custom contract, and
>the part number is for internal tracking. The fact that there were
>182 in the lot, as stamped on an overseas shipping container suggests
>that it was a prototype that didn't work out. They didn't even hold
>back one of them from your purchase. Maybe the project it was to be
>a part of was scuttled. These small LCD panels are almost always
>custom, and there is very little standard or "off-the-shelf"
>available.
>
>Where does that leave you? Does the chip have anything that looks
>like an ASIC, a blob of epoxy on the bottom or any chips? It doesn't
>look like it from the photo. If not, that may be better. It is a
>raw screen. If it is a raw screen you can start by applying an AC
>voltage to one pair of pins at a time, and see if any segments (or
>icons!) light up. (say, 5 volts square wave from a stamp at about
>1khz, through a 0.001uf capacitor).
>
>Good luck! It is a "black box" problem!
>
> -- regards,
> Tracy Allen
> electronically monitored ecosystems
> mailto:tracy@e...
> http://www.emesystems.com
>
>
>To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
>from the same email address that you subscribed. Text in the Subject and
>Body of the message will be ignored.
>
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/