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01:23.37 | Joerg-Neo900 | http://neo900.org/stuff/media/pictures/unboxing/2017-01_40/box1/ |
01:24.18 | Joerg-Neo900 | now for charging orgy, before unboxing next 10 |
01:36.12 | wpwrak | i love the "max headroom" style of the background ;-) |
01:36.34 | Joerg-Neo900 | :-D |
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15:26.07 | enyc | Joerg-Neo900: wow good score on parts =) |
15:26.54 | enyc | Joerg-Neo900: i wonder if there is much market for n900-mainboards (with USB connector strengthened) , presumably these are otherwise intended to be disassembled / change for neo900 boards? |
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16:30.04 | ravelo | Joerg-Neo900, wow, they are in "new" condition |
16:30.50 | ravelo | sadly my N900 has the "SIM not found" problem |
16:30.58 | ravelo | after 2 months used |
16:51.57 | enyc | ravelo: common issue? bad solder jointn on simslot ? |
16:53.40 | ravelo | I did not find a solution yet |
16:53.50 | ravelo | tmo forum is not totally clear on that |
16:54.15 | ravelo | so resoldering helps? |
16:54.22 | enyc | I don't know |
16:54.38 | enyc | not seen that problem |
16:55.39 | ravelo | https://talk.maemo.org/archive/index.php/t-36447.html |
16:55.58 | ravelo | no clear solution for me |
16:56.47 | enyc | ok so its either contacts or soldering by looks of it generally |
16:57.14 | enyc | i wonder if in some cases can use a pin to 'bend up' SLIGHTLY, CAREFULLY, those upbound sim contacts.... |
16:57.30 | enyc | have done such bodgey things with some bad contacts in some cases not so much mobiles |
16:57.43 | enyc | but it could just be fractured contact between simholder and pcb |
16:57.53 | enyc | which would be sorted with heat/ resolder approach |
16:57.59 | enyc | again not for those not into proper reworking |
16:59.09 | ravelo | ok, i will ask my preferred cell phone repair guy |
16:59.17 | ravelo | will not try this on my own |
16:59.27 | ravelo | i already tried to put some paper |
16:59.31 | ravelo | also tried to bend up |
16:59.47 | ravelo | which on one pin went up too much |
16:59.51 | ravelo | ... |
17:00.23 | ravelo | i don't understand why it worked for some to simply reflash the device |
17:06.12 | ravelo | i tried to reflash the modem rx51 driver. did not work for me |
17:08.05 | enyc | theres no doubt more than one way it can go wrong |
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19:11.47 | Joerg-Neo900 | ~springfix |
19:11.48 | infobot | it has been said that springfix is http://talk.maemo.org/showthread.php?p=1243160#post1243160 and http://www.jabawok.net/?p=14 |
19:17.15 | Joerg-Neo900 | http://talk.maemo.org/showthread.php?p=1112344#post1112344 >> In my case I could reliably trigger the issue by pinching phone with thumb and finger at the "h" on the keyboard<< BGA chip solder joint issue |
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20:25.57 | Joerg-Neo900 | note that N900 by mechanical design is NOT very sturdy against pressure applied to keyboard. Such force will bend the PCB and thus possibly result in modem chipset BGA solder points breaking and snapping open |
20:28.10 | Joerg-Neo900 | some devices are more prone to such defect than others (just like some are more susceptible to USB jack coming loose), due to a certain number of devices obviously suffered 'issues' during reflow soldering that resulted in poor or partial and weak solder points |
20:29.50 | Joerg-Neo900 | Neo900 takes care about all this, by taking into account the lessons learned from N900 and designing the PCB and mechanical design in a way that avoids such weaknesses |
20:31.19 | Joerg-Neo900 | e.g we support the PCB with some mechanical posts so it hardly can bend at all even with high pressure to keybpard. We also place chips in a way that makes such issues less likely |
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