Electronics Forum | Wed Jul 20 03:10:45 EDT 2011 | umar
I have mount the 8 pcs SEVEN SEGMENT LEDS on the PWB side at SMT Process, after reflow the board test at customer side and facing some issues which is missing segment and also one segment founded dimmers compare to other segment. Data sheet of LEDs
Electronics Forum | Wed Jul 20 08:40:27 EDT 2011 | mosborne1
Umar - This is usually seen when the lead frame in the die attach is cut with a diamond saw instead of a lasar. We have seen this problem years ago from HP 7 segment displays. If you have Enviromental box (tenney box) you can temp cycle them from 0 d
Electronics Forum | Thu Apr 09 22:32:58 EDT 1998 | Lou Silverstine
We are tring to locate a 9 segment LED & dectector array. It is used in a coin reader to measure the diameter of a coin. Any help in locating such an array will be highly appreciated.
Electronics Forum | Thu Dec 11 08:20:05 EST 2003 | liang
we ofen have the problem of the part missing.when problem take place .we found the segment sleeve is anomaly.we change the sleeve is ok!but we don't know what is wrong with the sleeve.who can help us ,thks!
Electronics Forum | Sun Dec 14 08:26:16 EST 2003 | liang
MR/MADANM STEFAN ,WE USE A PLASTIC PLUNGE.WE REPLACE THEM THREE MONTH.WHEN PART MISSED,WE CHECK THE VACUUM ,IT IS OK. IT IS ONE OR TWO SEGMENTS WHICH CAUSE PART MISSING.WE REPLACE A PLUNGER ,IT IS NOT OK.WHEN REPLACE A SLEEVE .IT IS OK.WE CHECK THE S
Electronics Forum | Sat Dec 13 08:03:46 EST 2003 | Stefan Witte
The only part, which could cause component misplacement on the rotary heads of the Siplace machine is the vacuum valve. I don�t know the official name in the part catalog, but I use to name it plunger. The plunger is moved in and out by a miniature s
Electronics Forum | Wed May 08 07:19:03 EDT 2019 | youngbuck
Hi Sankar, I have had experience with the SX and X2 so I'm not sure how similar ours is to yours but i can give you some suggestions. 1. As Thomas said you could do a vaccum check and make sure the 4007 nozzle has around the same settings as the ot
Electronics Forum | Tue Sep 02 15:35:55 EDT 2008 | modernprecison
I have a Siemens S-27 and I'm having occasional issues with 0201 components in particular. I'm using the 12 segment head and 902 nozzles with them. I'm making sure the magnet is clean of debris and the feeder is sitting flat. Most of the time they
Electronics Forum | Tue Mar 10 14:11:42 EDT 2009 | rodrigo
Ok I checked and here are the results... Z1 11CS3x Green LED on Q1 11cs4x Green LED on Z2 12cs3x Green LED off (This is the relay I mentioned in my original post). Q2 12cs4x Green LED on M1CR4x Green LED off The servopack SA-6 is the one with the
Electronics Forum | Fri Dec 02 17:28:35 EST 2005 | ratsalad
We have a TCM-V822 over in the warehouse that had a severe head crash. If you suspect you have a bad servopack, contact Unidec. They can test it for you. If it tests bad they can rebuild it for you and you won't have to wait for months to have o
.gif)
