The Following User Says Thank You to joerg_rw For This Useful Post: | ||
|
2013-11-24
, 15:20
|
|
Posts: 2,222 |
Thanked: 12,651 times |
Joined on Mar 2010
@ SOL 3
|
#1342
|
Kommentare (neueste zuerst):
# Von Nikolaus Schaller, Nov 24, 2013:
More observarions:
* LOWER: PCB snaps nicely into snap-fits and cutout between + and - buttons is very good
* but mounting holes are not exact enough
* LOWER: mounting holes for USB connector are muchtoo big (radius vs. diameter?)
* LOWER: position of ON-Key appears to be weird compared to button on case, but fits exactly to PCB
* LOWER: Camera hole appears still to be deplaced by 0.1-0.2mm and needs to be drilled in the corners before milling
* LOWER: Pogo-Pins are not well centered where they should be, but should work
* LOWER: pushbuttons appear to fit
* UPPER: mounting holes do not fit to the display assembly
* LOWER: SD reader and SIM reader footprint appears to fit
LOWER: SIM reader position is very good (SD-card not in final position - needs another PCB)
* LOWER: 3 of the 4 spring contacts of the battery bay metal do not connect to GND because they contact the shield cages on the N900
* LOWER: detector button has wrong footprint (too wide!) - calculation mistake when converting mechanical drawing to footprint coordinates
* LOWER: we might want to find an OTG socket variant from the 047589-0001 that has 2 additional pegs like the 047590-0001 -- but that may not be necessary at all
# Von Joerg Reisenweber, Nov 23, 2013:
sorry of course NOT close ticket since there are several other points in it
# Von Joerg Reisenweber, Nov 23, 2013:
The strange thing under the display connctor is labeled "X2000" in component placement, is not showing up in schematics, and magnetic properties of any kind couldn't be found in it.
I however found a microscopic "2D-barcode" on it which looks like laser-marking. I guess that's the main purpose. We probably can safely ignore it.
Sugestion: close ticket.
# Von Nikolaus Schaller, Nov 23, 2013:
upper board:
* we don't have thought about the (different!) C-springs and contacts
* there is a small "wire" line above the button contacts
following the dome sheet contour (at least partially)
* there appears to be a rectangular piece of metal soldered on a smple GND pad right nead the display connector. It's function isn't clear at all (magnet???)
lower board:
* there should be more clearance around the "hot" ends of the C-springs
* the position of the C-spring between the lockswitch and speaker appears to be wrong
* we have 2 VIAs in 2 pads of the SIM reader - should be avoided
--
Ticket: http://projects.goldelico.com/p/neo900/issues/518/
The Following 24 Users Say Thank You to joerg_rw For This Useful Post: | ||
Akkumaru, cproc, dos1, dr_frost_dk, endsormeans, Estel, foobar, freemangordon, fw190, handaxe, iosu, jurop88, Ken-Young, kingoddball, klinglerware, kojacker, maluka, OVK, pichlo, Rauha, reinob, The Wizard of Huz, wicket, Xagoln |
|
2013-11-24
, 15:40
|
|
Moderator |
Posts: 2,622 |
Thanked: 5,447 times |
Joined on Jan 2010
|
#1343
|
|
2013-11-24
, 16:08
|
|
Posts: 2,222 |
Thanked: 12,651 times |
Joined on Mar 2010
@ SOL 3
|
#1344
|
|
2013-11-24
, 16:17
|
|
Moderator |
Posts: 2,622 |
Thanked: 5,447 times |
Joined on Jan 2010
|
#1345
|
The Following 5 Users Say Thank You to qwazix For This Useful Post: | ||
|
2013-11-24
, 17:04
|
Posts: 188 |
Thanked: 28 times |
Joined on Jun 2007
|
#1346
|
|
2013-11-24
, 17:54
|
|
Posts: 2,222 |
Thanked: 12,651 times |
Joined on Mar 2010
@ SOL 3
|
#1347
|
ok, please shout a day or two before that freeze happens, I will sincerely try to do it sooner, but just in case.
|
2013-11-24
, 21:23
|
Posts: 9 |
Thanked: 21 times |
Joined on May 2011
|
#1349
|
The Following User Says Thank You to boris_blackmilk For This Useful Post: | ||
|
2013-11-24
, 21:24
|
Posts: 3,074 |
Thanked: 12,960 times |
Joined on Mar 2010
@ Sofia,Bulgaria
|
#1350
|
The Following User Says Thank You to freemangordon For This Useful Post: | ||
please check the gemalto site I posted a link to a few posts back when somebody asked about modem supported bands. You even can download the complete manuals and datasheets there (after leightweight registration) - those for the LTE modem are not available yet since it's bleeding edge. But the PHS8-E AT command set pdf has ~450 pages, you may use it to get an idea what the LTE document will look like.
cheers
jOERG