Electronics Forum: (4) (Page 360 of 664)

VCD 8 6241 loosing 5 volts supply

Electronics Forum | Mon Feb 01 14:04:12 EST 2010 | bing007

Found the problem. Thanks for the pointers. I had set the voltage to 5.00 volts as it was reading 4.86 volts. I still had the problem. A slghtly burnt wire going into the spade connector on the back of fuse holder 12 (5 volts). The reason the voltage

GSM1 occasional fault

Electronics Forum | Thu Feb 04 09:18:18 EST 2010 | mika

Problem! Then replace the motor! Why not replace be belt anyhow? How long was it since the last time you replaced any belt? Another thing you could also do; In the LP (Low Power) chassis lower front left, find the correct motor servo card and "Null

Cleaning Copper Surface

Electronics Forum | Thu Apr 15 20:01:24 EDT 2010 | sarason

I normally use a particularly aggressive Hand Cleaner for cleaning oil off your hands at garages/ workshops and then Benzotriazole. The Hand cleaner comes from an industrial chemical supplier. It usually contains some NaOH while most Hand-cleaners do

Really Need Electroplishing of SMT Stencils?

Electronics Forum | Tue Jan 26 10:26:54 EST 2010 | bandjwet

Dear SMTNetters: Based on your experiences is it really necessary to have today's YAG laser-fabricated stencils electropolished? I undertsand that this "requirement" is a carry-over from the days of CO2-fabricated lasers where the hole wall quality

SMT in Austin

Electronics Forum | Thu Feb 04 09:31:21 EST 2010 | llaerum

I was wondering if someone on this forum are in Austin or Dallas. If so could they post the type of SAC305 WS solder they use. I am interested in type 3 and type 4. Due to our current vendors repeatability issues we are trying to find out who the la

ESD safe wash basket liner/cover

Electronics Forum | Thu Feb 11 10:59:09 EST 2010 | sumote

I am having some trouble finding an ESD safe wash basket liner. The trouble isn't finding someone who sells a product, the problem is all 3 products I have evaluated fail testing. All 3 were generators in excess of 2kv with 1 hitting over 4kv! This i

Selective Solder Equipment

Electronics Forum | Wed Mar 10 00:21:34 EST 2010 | geocep

I have recently purchased an ACE Kiss 101A Selective Solder System 4 weeks ago. I am having a terrible experience. The nozzle will not stay wet, and the flux-er pattern continues to shift erratically; all leading to very poor quality process. ACE

AOI usage

Electronics Forum | Wed Mar 24 11:25:47 EDT 2010 | rajeshwara

I recommanded AOI inspection as I am a AOI programmer too. 1.Yes u have to write programm for every PCB design,but u maintain the standard library. 2.If u have standard library and SMT machine CAD file ,then it doesnt take more than 30 mins. 3.No I

Quad 4C place problem

Electronics Forum | Wed Mar 31 09:26:26 EDT 2010 | Bobpan

Hello, There should be a page in the manual that explains the proper way of manually teaching a program. It has been too long for me to recall the exact steps. Here is some stuff that should help you. Do a function 3 on a placement and this will show

Solder dross / voids in our wave solder process

Electronics Forum | Thu Apr 01 14:43:26 EDT 2010 | cbart

You say its in both smt and through hole, but, are you waving the SMT parts as well, I assume yes since you think its dross in the joints. Questions: 1- do you have higher mag scopes that you can zoom in a little more to see if these are voids or dr


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