Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Construction Tips Construction techniques and tips

Universal Power Supply PCB... How is the quality?
Universal Power Supply PCB... How is the quality?
Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 11th October 2018, 08:04 PM   #1
tanda4 is offline tanda4
diyAudio Member
 
Join Date: Mar 2015
Default Universal Power Supply PCB... How is the quality?

I'm having a very hard time heating up the pads. Not sure what's going wrong since I never had this problem. I'm using a Hakko FX888D, increased temp to 750 and used flux galore. Don't know what the problem is.

The only thing I can think of is that the pads are more of a film than a pad.

Suggestions?
  Reply With Quote
Old 11th October 2018, 09:08 PM   #2
JMFahey is offline JMFahey  Argentina
diyAudio Member
 
JMFahey's Avatar
 
Join Date: Mar 2009
Location: Buenos Aires - Argentina
What do you mean by "heating up" the pads?
What do you want to heat them for?
__________________
Design/make/service musical stuff in Buenos Aires, Argentina, since 1969.
  Reply With Quote
Old 11th October 2018, 10:45 PM   #3
tanda4 is offline tanda4
diyAudio Member
 
Join Date: Mar 2015
To get the solder to flow when placing the resistor.
  Reply With Quote
Old 11th October 2018, 11:34 PM   #4
rayma is online now rayma  United States
diyAudio Member
 
Join Date: Apr 2011
Quote:
Originally Posted by tanda4 View Post
To get the solder to flow when placing the resistor.
The 2 oz. copper on this pcb is twice as thick as on standard 1 oz. boards.
Your soldering tool may be inadequate.
  Reply With Quote
Old 12th October 2018, 12:43 AM   #5
nigelwright7557 is online now nigelwright7557  United Kingdom
diyAudio Member
 
nigelwright7557's Avatar
 
Join Date: Apr 2008
Location: Carlisle, England
Quote:
Originally Posted by tanda4 View Post
To get the solder to flow when placing the resistor.
If there are large areas of copper they act like a heat sink.
And if its 2 oz. copper then its even worse.

Or maybe the pcb is contaminated and needs cleaning.
__________________
PCBCAD51 pcb design software. 2018 version out now with lower prices >> http://www.murtonpikesystems.co.uk
  Reply With Quote
Old 12th October 2018, 12:45 AM   #6
yoaudio is online now yoaudio  United States
diyoAudio Member
diyAudio Member
 
yoaudio's Avatar
 
Join Date: Oct 2010
Location: Northern Michigan
Universal Power Supply PCB... How is the quality?
diyAudio Power Supply Circuit Board v3 illustrated build guide

Post 509 and 510
  Reply With Quote
Old 12th October 2018, 12:49 AM   #7
PRR is online now PRR  United States
diyAudio Member
 
PRR's Avatar
 
Join Date: Jun 2003
Location: Maine USA
Quote:
Originally Posted by yoaudio View Post
...Power Supply Circuit Board v3 illustrated build guide -- Post 509 and 510
Direct to these posts:
diyAudio Power Supply Circuit Board v3 illustrated build guide -- post 509
  Reply With Quote
Old 12th October 2018, 01:04 AM   #8
avtech23 is offline avtech23  Australia
WAF. The most critical value in any audio project!
diyAudio Member
 
avtech23's Avatar
 
Join Date: Dec 2017
Location: South 'straya
Universal Power Supply PCB... How is the quality?
Quote:
Originally Posted by nigelwright7557 View Post
If there are large areas of copper they act like a heat sink.
And if its 2 oz. copper then its even worse.


I found this with a recent build of a different PCB - I wasn't used to having such large copper traces sucking the heat away from the iron (I too have the Hakko).


Make sure you have a decent amount of solder on the tip to assist in heat transfer. I found that running circles around the hole with the tip helped to get an even heat applied and eventually the solder flowed nicely without any track damage.
__________________
The ever growing project list.. NAP140 Clone | NAD 3020i & 3225PE | VSQC Phunk Style | 2 Princeton Clones | JLH1969 | Retro 50W | TDA2050 | Ultimate 100W (Last in line)...maybe
  Reply With Quote

Reply


Universal Power Supply PCB... How is the quality?Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Universal Linear Power Supply PCB's LaxAnErde Swap Meet 4 28th August 2018 11:13 PM
Universal Power Supply PCB Peter Daniel Audio Sector 77 8th July 2018 12:24 PM
Schematic for Universal power supply exponent Power Supplies 2 3rd February 2018 09:43 AM
ACA with Universal Power Supply bnorrish Pass Labs 4 24th November 2012 09:58 PM
My (almost universal) power supply Yoshy Power Supplies 0 7th September 2008 12:18 AM


New To Site? Need Help?

All times are GMT. The time now is 02:02 AM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.79%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Copyright ©1999-2018 diyAudio
Wiki