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Old 11-03-2012, 06:29 PM   #1
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Kindle Paperwhite Teardown
One more, say nothing, Kindle paperwhite teardown:

http://www.eevblog.com/forum/blog-sp...677/#msg153677

Thirty minutes of nothing to say.

- - - -
The serial port location on the Kindle paperwhite:

The second image is the one from post #4, the original image that was provided by h1uke
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Last edited by knc1; 11-10-2012 at 09:15 AM.
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Old 11-04-2012, 06:00 AM   #2
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all kinds of interesting "empty" bits. And not jut the voice-over!

"Looks like there's a hidden screw under the top, Little bastard!"

Classic
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Old 11-04-2012, 10:40 AM   #3
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Kpw volunteer needed
View the top post video at 16:36 and again at 21:30
That is my first guess at the location of the serial port.

Please, someone with needle point probes check if that is the serial port connection.
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Old 11-09-2012, 06:24 PM   #4
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Quote:
Originally Posted by knc1 View Post
View the top post video at 16:36 and again at 21:30
That is my first guess at the location of the serial port.
it is at 21:30, see the attachment for pinout.

1.8V, 115200 8N1
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Old 11-09-2012, 06:32 PM   #5
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Quote:
Originally Posted by h1uke View Post
it is at 21:30, see the attachment for pinout.

1.8V, 115200 8N1
Both times are the same location, just that one is a rotated view from the other one.

But yes, that is the one I suspected, thank you very much for confirming them and making the labeled picture.

Reason:
It is impossible to lock out a user who can use the serial port for access to both u-boot and the kernel's operator console port (same port as shown).

Thanks! Added to the hardware / serial port index.
h1uke should get a zillion bragging rights for that research!
Last edited by knc1; 11-09-2012 at 06:37 PM.
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Old 11-09-2012, 07:36 PM   #6
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Quote:
Originally Posted by knc1 View Post
View the top post video at 16:36 and again at 21:30
That is my first guess at the location of the serial port.

Please, someone with needle point probes check if that is the serial port connection.
ZOMG I Don't know if I can handle another 30 mins of him saying nothing.

(turns down sound) .. goes to look

EDIT: Ah yes. I was still busy being seduced by the Sim and 3g - not vigilant : ) Good catch.
definitely worth a poke
Last edited by twobob; 11-09-2012 at 07:50 PM.
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Old 11-09-2012, 07:43 PM   #7
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Quote:
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ZOMG I Don't know if I can handle another 30 mins of him saying nothing.

(turns down sound) .. goes to look
Post #4 has a still picture attached.

You really don't have to watch the first 20 minutes of nothing.
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Old 04-09-2013, 08:20 AM   #8
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A little bit clearer pinout diagram...
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Old 05-30-2013, 09:57 PM   #9
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Old 03-23-2015, 11:58 AM   #10
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Do we have an alternate serial port on Paperwhite?
Because i bought one and it's pads are totally messed up... I can't solder there...
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Old 03-23-2015, 12:53 PM   #11
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Quote:
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Do we have an alternate serial port on Paperwhite?
Because i bought one and it's pads are totally messed up... I can't solder there...
Nothing accessible on the board that we know of. (the SoC has five).
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Old 04-30-2015, 06:31 AM   #12
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Hey Guys!

Does "TX" mean the Output of the serial port or the solder joint that has to be connected to the TX-Cable of my TTL-adapter?

In the first case I would connect the pin on the Kindle that is titled as "TX" to the RX-Cable of my USB-adapter. Kindles Output to the Computers Input and vice versa...
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Old 04-30-2015, 07:42 AM   #13
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Quote:
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Hey Guys!

Does "TX" mean the Output of the serial port or the solder joint that has to be connected to the TX-Cable of my TTL-adapter?

In the first case I would connect the pin on the Kindle that is titled as "TX" to the RX-Cable of my USB-adapter. Kindles Output to the Computers Input and vice versa...
First case.
Pins are always labeled relative to the signal on them.
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