Electronics Forum: bad (Page 47 of 247)

Heller 1700D heating element replacement?

Electronics Forum | Tue Jun 19 13:13:07 EDT 2012 | rodrigo

Hi all, Is there a generic heating element I can buy for this oven? The Heller part number is 682991. They want about $300 for the pair which doesn't sound too bad for me but .... I'm not the one writting the check :-). Thanks

PLCC LEADS not solder in SAC305 paste

Electronics Forum | Fri Jun 29 07:47:16 EDT 2012 | mosborne1

Dave Thanks for the input. The thermocouple read 244 on the pad of the socket. We actually found after extensive investigation that it is the coplanarity of the leads. We were shipped a bad batch of sockets form the manufacture. Go figure!!1

change from reflow to glue

Electronics Forum | Tue Jul 10 03:31:14 EDT 2012 | buckcho

Hello, the best way is to set the oven to cooldown. Opening the oven is not very good idea, but is not a big issue I think, only bad air in the production. Try if you can to make production from glue to Pb free if it is possible.

5% color spot in HIC

Electronics Forum | Mon Jul 16 07:33:34 EDT 2012 | amitsindwani

Why to use 5% color spot in HIC if level 2a-5a are considered bad when 10% is NOT blue ? 10% will be NOT blue(or pink) only after 5% is pink. Then why to keep 5% in HIC ?

Cleaning paste-printed PCB

Electronics Forum | Tue Sep 04 12:05:52 EDT 2012 | duchoang

cobhambill is right but depend on how bad the defect, and how good your printer is, you can reprint it one more time. I did sometimes with my equipment with no problem. It's hard to clean NO-CLEAN solder-paste properly, specially with panelized PCB w

YAMAHA board assy KG2-M5840-512

Electronics Forum | Fri Oct 05 03:22:41 EDT 2012 | ekki511

HI Jeff may be there was a bad , did you mean 6500,- or 650,- USD regards Ekkehart

Heller Oven rails warping

Electronics Forum | Thu Feb 21 08:52:24 EST 2013 | emeto

Currently having Elecrtovert and BTU - no problems with both. Before use to have Vitronics aand Heller - and no problems with the rails. However I had other problems with Heller which makes me think that they are going deeper with the bad quality par

FUJI CP65 FRQ MOTOR

Electronics Forum | Mon Mar 04 07:33:25 EST 2013 | cyber_wolf

*There are instructions that come with the amp on how to set it. *I have never had to replace a FRQ or FQ motor, or any motor on a Fuji for that matter.I highly doubt the motor is bad. *The meshing check sensor verifies that the clutch is engaging c

Isolating QFN Ground

Electronics Forum | Fri Mar 15 18:26:51 EDT 2013 | hegemon

We avoid kapton in this situation due to the thickness. 1 mil additional thickness can equal up to a 20% increase in paste volume at adjacent pads if you are using a 5 mil stencil. But then again, that is not always bad. But must be taken into consid

cp743E

Electronics Forum | Mon Mar 25 14:59:55 EDT 2013 | jimmyboz

Yes, he is correct, it is probably a sensor. That does NOT mean a sensor is bad, just that it has not been activated during a time limit or servo count. Watch what the last 2 or 3 things it does before the error.


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