geekhack

geekhack Community => geekhack Media => Topic started by: GON on Tue, 21 May 2013, 23:53:29

Title: A video soldering a QFP44 SMD MCU
Post by: GON on Tue, 21 May 2013, 23:53:29

I took this video to show how to solder a QFP44 MCU.
I'm so sorry not to speak in English nor to have added English captions.
In fact, I'm not a fluent English speaker.(Writing is one thing, Speaking's another. ;))
And not accustomed to the whole function of YouTube...

Later, I promise I will record video in English so that you GH members could easily understand. ;)
Title: Re: A video soldering a QFP44 SMD MCU
Post by: tjcaustin on Wed, 22 May 2013, 00:02:47
Do you mind if I link this in the soldering beginners thread?
Title: Re: A video soldering a QFP44 SMD MCU
Post by: The_Beast on Wed, 22 May 2013, 00:02:48
Is this an A.87 PCB?
Title: Re: A video soldering a QFP44 SMD MCU
Post by: GON on Wed, 22 May 2013, 00:05:26
Do you mind if I link this in the soldering beginners thread?

Not at all.
It's my pleasure if this video can help others. ;)
Link as you want. ;)
Title: Re: A video soldering a QFP44 SMD MCU
Post by: GON on Wed, 22 May 2013, 00:05:53
Is this an A.87 PCB?

Yes, it's A.87 PCB
Title: Re: A video soldering a QFP44 SMD MCU
Post by: kaiserreich on Wed, 22 May 2013, 04:22:10
Lovely drag soldering :)

What is the size of the tip being used ? (diameter)
Title: Re: A video soldering a QFP44 SMD MCU
Post by: Rendom on Wed, 22 May 2013, 05:31:42
sound so handsome  :-*
Title: Re: A video soldering a QFP44 SMD MCU
Post by: GON on Wed, 22 May 2013, 05:36:11
Lovely drag soldering :)

What is the size of the tip being used ? (diameter)

The tip used in the video is HAKKO T15-CF3 - 3mm in dianeter.
Title: Re: A video soldering a QFP44 SMD MCU
Post by: GON on Wed, 22 May 2013, 05:36:39
sound so handsome  :-*

hehe ;)
Title: Re: A video soldering a QFP44 SMD MCU
Post by: Leslieann on Wed, 22 May 2013, 05:54:34
Fantastic technique, my luck I would end up soldering half the pins together and the other half wouldn't get anything at all.
Title: Re: A video soldering a QFP44 SMD MCU
Post by: The_Beast on Wed, 22 May 2013, 05:58:06
What solder iron did you use? What was the temp?


I hope the SMD goes as smoothly on my A.87!
Title: Re: A video soldering a QFP44 SMD MCU
Post by: GON on Wed, 22 May 2013, 06:03:11
What solder iron did you use? What was the temp?


I hope the SMD goes as smoothly on my A.87!

The iron used in the video is HAKKO FM-206 station + FM-2027 iron + T15-CF3 tip.
I usually set the temp to 350 Celsius.
Title: Re: A video soldering a QFP44 SMD MCU
Post by: The_Beast on Wed, 22 May 2013, 06:05:28
What solder iron did you use? What was the temp?


I hope the SMD goes as smoothly on my A.87!

The iron used in the video is HAKKO FM-206 station + FM-2027 iron + T15-CF3 tip.
I usually set the temp to 350 Celsius.


Thanks! If you had a HAKKO FM-206 station, why didn't you hot air SMD solder? Seems a bit odd since everyone seems to prefer to hot air SMD solder over an iron.
Title: Re: A video soldering a QFP44 SMD MCU
Post by: GON on Wed, 22 May 2013, 06:43:54
What solder iron did you use? What was the temp?


I hope the SMD goes as smoothly on my A.87!

The iron used in the video is HAKKO FM-206 station + FM-2027 iron + T15-CF3 tip.
I usually set the temp to 350 Celsius.


Thanks! If you had a HAKKO FM-206 station, why didn't you hot air SMD solder? Seems a bit odd since everyone seems to prefer to hot air SMD solder over an iron.

Of course, I have an FM-2029 hot air pencil.
In fact, I have HAKKO FR-803 Hotair rework station with various nozzles, too.
I solder small SMD parts with hot air, but not QFP44.
The best soldering quality for QFPs can be done with a proper iron tip.
You will be able to know it if you take a closer look at the toes and hills of the QFP leads with a magnifier.
Title: Re: A video soldering a QFP44 SMD MCU
Post by: metalliqaz on Wed, 22 May 2013, 06:47:34
I also only use tip-and-wire to do them now.  I attempted a hot air solder of a TQFP44 and I over-temp'ed it.  Destroyed the flash as far as I can tell. 
Title: Re: A video soldering a QFP44 SMD MCU
Post by: GON on Wed, 22 May 2013, 06:54:51
http://www.kbdmania.net/xe/index.php?_filter=search&mid=photo&search_target=nick_name&search_keyword=GON_&page=2&document_srl=4962270

Here in the link above  you can see two soldered QFPs.
One is soldered with an iron tip by me.
The other is soldered by SMT machine.

Which one do you think is better? ;)
Title: Re: A video soldering a QFP44 SMD MCU
Post by: Wraul on Wed, 22 May 2013, 12:18:26
Very nice soldering GON.
I wish I could produce solder joints that looks that good.
I will keep practicing.
Title: Re: A video soldering a QFP44 SMD MCU
Post by: GON on Wed, 22 May 2013, 14:15:43
Very nice soldering GON.
I wish I could produce solder joints that looks that good.
I will keep practicing.

Practice makes Perfection. ;)
Title: Re: A video soldering a QFP44 SMD MCU
Post by: adamseto on Sat, 25 May 2013, 10:03:22
Pro assemble of Mechanical Keyboard :v