After the comments/recommendations to think about attempting a repair to the Parker drives, I popped several open and took a good look around. On the top surface I could find no obvious problems. Not popped caps, no burn marks, nothing. On the bottom, I found what looks to be a problem on two of the bad drives. There are three SMD's located near the drive output port that appear to be toast. The problem is I can't identify them. The board stencil “CR” notation seems to indicate they are crystal rectifiers and you can see polarity marks on one side. I tried to track down the SMD codes online but had no success. Soooooooo, since some of you spurred me on, I thought I'd throw this back out here to see if any of you guys had any ideas. I've attached links to three photos that may be of some help.
This is a close-up of one of my good drives: _https://www.dropbox.com/sc/fzugl3ebp7hlbbj/AABZSMn6f70FORZS3FpRhRc-a_ This is a close-up showing the suspect SMD's on a bad drive: _https://www.dropbox.com/sc/eeoy5dpw1861j54/AAAigtSkz9aLiKBbZVY9FFUia_ And this is a close-up of the shot Dave supplied yesterday for one of his Parker drives: _https://www.dropbox.com/sc/hwfjcjmtqpwjfyh/AAD09FOOfweAwIAbjbs9FRwQa_ It's interesting to note that the SMD part codes on Dave's board are different than mine. But I couldn't track down the parts using his codes either. Any thoughts? ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
