|04-27-2013, 02:56 PM||#1|
Joined: Jun 2007
Location: Boise, ID
Electrical question - brownout damages battery tenders
I had a bad day last weekend and ended up with the 220 service line from the pole to my house grounding on a deck cover and burning through the ground and most of the way through one power feed. I believe that this resulted in a "brown out" in my house, which now has resulted in the failure of three of my battery tender jr transformers. (Also the kid Wii transformer, but I haven't looked there yet.)
I would like to open them up and see if I can repair them, rather than replacing them. Is there any obvious place to start looking inside, or should I chuck them and end it right now.
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1995 DR350SE - mini adventure bike,,,,
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|04-27-2013, 07:41 PM||#2|
Joined: Oct 2004
Location: Anchorage, formerly Spenard (hub of the universe)
doesn't hurt them any more to look. what they usually do these days though is they scratch off the numbers on the micro chips so you can't tell what they were... might be something simple though.... if it's a transformer that should be pretty easy to figure out. Mauser Electrics is a good source
Beezer screwed with this post 04-27-2013 at 08:02 PM
|04-27-2013, 07:59 PM||#3|
Joined: Jan 2012
Location: mackay QLD AU
I would say it depends on how experienced/confident you are messing around with electronics. [btw I'm a qualified tech]
There's two main types of power supply:
"passive" [with a power transformer and series regulator]
"active" [with a switch mode regulator]
The passive or older ones are much easier to fix, especially if you have a working unit to compare to, or if you have service info or circuit diagram etc.
The switch mode supplies are much more cantankerous, and can be a PIA even if you have the info and test gear etc.
If it's a passive supply, start by disconnecting the secondary of the transformer and run some basic tests - look for shorts or open circuit windings etc - and then go from there.
|04-28-2013, 02:25 PM||#4|
Yinz, blinkers are on.
Joined: Apr 2005
Location: The Paris of Appalachia
Add em to your insurance claim.
consider adding a surge protector to your main line.
assholes abound, why own more than one?
" so is my word that goes out from my mouth: It will not return to me empty, but will accomplish what I desire and achieve the purpose for which I sent it."
|04-29-2013, 06:06 PM||#5|
Rectum Non Bustibus
Joined: May 2009
Location: Dearborn, MI
At just over $20 apiece, it's probably not worthwhile to try to repair them.
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