Electronics Forum: 4c code smd (Page 4 of 7)

SMD Repair

Electronics Forum | Sun May 09 14:42:48 EDT 2004 | Clive

If you repair PCBs populated with SMDs then this URL may be of interest to you: http://clivetec.0catch.com/SMD_codes.htm Regards, Clive

Quad 4C part placement rejection

Electronics Forum | Fri Nov 18 16:26:17 EST 2011 | olddog

Hi again Bob, I checked the theta motor coupling and the set screws are definately tight. I noticed that the theta motor drives an snti-backlash gear (nice design) so there is no play there. It appears that the gear drives a slotted shaft which is d

Re: Marking Codes

Electronics Forum | Mon Jan 10 03:10:19 EST 2000 | H.J.Zwier

Hi Robert, Try looking at www.marsport.demon.co.uk/smd/ This site contains a list of html files with all marking codes known at this moment. Your example of a transistor with marking code 8A can be a 3V3 zener diode or a npn general purpose transi

Quad 3c/4c Z-Rod Precautions

Electronics Forum | Wed Sep 20 16:24:19 EDT 2006 | bobpan

Larry, I would suggest not changing mod-codes on a machine that you dont know very well and that should solve the damaged z-rod problem. What you should do is get someone into your company to train you on the basic's of operating the machine. The $22

Quad 3c/4c Z-Rod Precautions

Electronics Forum | Wed Sep 20 18:07:52 EDT 2006 | lheiss

It wasn't my idea to reset all the mod codes. I was just doing what the guy on the other end of the phone said. I'm working on straighting the Z-Rod now and have a new one on the way as well as a grease kit. I've only checked with one company on d

QUAD 4C Laser problem

Electronics Forum | Fri Sep 06 05:09:13 EDT 2013 | bobpan

Mod code 69 in early firmware versions was laser align part size addition but in later versions is was laser intensity.....if its set to 0 try it at 250 and see what it does....if this doesnt work....set it back to 0. It seems that when you put somet

Quad 4C pickup limit error

Electronics Forum | Thu Sep 08 15:22:32 EDT 2016 | bobpan

If its a tall part and you are trying to scan it lower than 200 or so...you can have this problem (limit error). Thinking of things to look at.....Is your z-rod spring sticking? Push up on it and it should spring back with NO hesitation...if it does.

SMD nomenclature

Electronics Forum | Wed Apr 11 07:25:21 EDT 2007 | Mark

Hi Piotr, We had the same problem before. Each engineer created his own name and after while nobady knows what it is. We started to use our own coding system of components using special code matrix. We use main features of componets like body shape,

Re: Help With Marking codes

Electronics Forum | Tue Dec 14 10:14:54 EST 1999 | Chris May

Tony, Quick update. Check out this website.Just came across it. http://www.marsport.demon.co.uk/smd/smdcode.htm Regards, Chris.

Ekra X4 Blues

Electronics Forum | Mon Feb 27 22:04:24 EST 2023 | kumarb

Hi. Our X4 is posting the attached error code. In the reference menu, the table dances to align with the SMD stencil and the shuttled PCB. During this activity, hearing some new mechanical ticking sounds that were not hear before. Any suggestions on


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