Hello,
I fixed thousands of kindles. Problem with WF occurs when kindle cant read eeprom during startup procedure. As i observed, its possible to use any e-ink screen (even sce - without eeprom) if eeprom was read prior to connect new screen. But problem is that there are some critical values (in eprom) like v-com voltage and physical characteristics of display. For amateur (end user/ owner) purposes using your old WF data will be enough. You can observe various errors like ghosting, screen become dark grey, some gray area are too dark or too light, there can be some artefacts on screen (for example when cursor or underline is moving)
But all this thing are unacceptable when you want to sell used product as 100% working.
E-ink corp sells various different types of sc7 screen:
c1 h1 h2 h3 h3-0B
However, i cant find info about differences. What i know, that C1 and H3-0B works with kindle normally, buy h1, h2, h3 makes troubles.
Since buying C1 or H3-0B is almost impossible, i tried to find solution:
1. Reprogram content of eeprom with working / similar content
2. Replacing eepom chip itself (from broken screen)
3. Program kindle permanently to use one, matched waveform instead reading every startup (like kindle 2 or dx, they dont have chip at ribbon)
4. Learn kindle how to use h1, h2 h3 map (WF data), because its little different, maybe lab126 will make some social job...
There are several screens, they works, but i cant match proper WF data, many, many tries.
So i can share some experience about doing it right (4)
Maybe we can make patch (update)
Sources:
PDF for ED060SC7 you can find
here:
pdr for controler (older) is
here
pdf for controller (newer) is
here
And one more interesting
document:
predykat at gmail