From d555645028ae922638ea5fd4e126f49af852da7a Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Sat, 10 Apr 2010 11:24:47 -0600 Subject: [PATCH] document TM v1.0 turn-on activities so far --- BuildLog | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 BuildLog diff --git a/BuildLog b/BuildLog new file mode 100644 index 0000000..0b3d559 --- /dev/null +++ b/BuildLog @@ -0,0 +1,100 @@ +Turn-On Log for TeleMetrum boards + +2010.04.08 +- First production run received from Advanced Circuits, 54 units of v1.0. + + To be complete, each board needs: + + - add GPS patch antenna + - add customer choice of pyro connector + - remove C38 (wrong value, optional) + - replace C36 with 1uF (better value) + +- sn 208 + persistent crc error problems communicating over UHF link + +- sn 209 + solder bridge across C3, caused USB enumeration failure. removed the + short and it works ok. + img_9568.jpg + + GPS sensitivity seems very low .. ok with off-board amplified patch + +2010.04.09 +- sn 210 + missing J9, installed from my parts stock. + img_9571.jpg + + kapton tape left over baro sensor port, removed with tweezers. + img_9572.jpg + + nominal performance + +- sn 211 + U4 installed 180 degrees rotated, thus 5V supply not working, accel + gave weird values. Removed and replaced with fresh part. + img_9573.jpg + + nominal performance + +- sn 212 + nominal performance + +2010.04.10 +- sn 213 + kapton on baro + +- sn 214 + kapton on baro + +- sn 215 + R8 appears damaged + +- sn 216 + may be ok + +- sn 217 + kapton on baro + +- sn 218 + kapton on baro + +- sn 219 + missing J9 + +- sn 220 + kapton on baro + +- sn 221 + kapton on baro + +- sn 222 + kapton on baro + +- sn 223 + may be ok + +- sn 224 + kapton on baro + +- sn 225 + may be ok + +- sn 226 + kapton on baro + +- sn 227 + kapton on baro + + +- Summary Thoughts: + I really don't understand the missing J9 connectors. The empty + parts baggie that was in the package of stuff sent to me says 56 + were purchased, and we only have 54 boards. Where'd they go? And + can someone explain how a big red connector that's so visually + obvious could be missed in QA? + + The one solder bridge and one damaged 0402 resistor found so far + may just be par for the course at this price/service level? + + -- 2.30.2