Lidl battery charger repair

Mark

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Jun 11, 2013, 12:24:33 PM6/11/13

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You may remember that in another post i commented that i had a FOC
replacement for the failed Ultimate speed charger.
Dismantled the old one today and the cause of the failure was the cheap
DPST/PTM switch, pity such nice electronics let down by a 10p switch.
Works fine now, and i have two for the price of one :)
http://img844.imageshack.us/img844/1167/dscf0941cy.jpg

Grimly Curmudgeon

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Jun 12, 2013, 6:27:40 AM6/12/13

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Nice one. Always good to have more than one.

Dave Plowman (News)

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Jun 13, 2013, 12:29:22 PM6/13/13

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In article <kp7f4c$2b2$1...@dont-email.me>,

Nice one. Do you have a part number etc for the switch replacement - there
seem to be thousands of variations.

--
*I wonder how much deeper the ocean would be without sponges*

Dave Plowman da...@davenoise.co.uk London SW
To e-mail, change noise into sound.

Mark

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Jun 13, 2013, 5:54:48 PM6/13/13

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Dave Plowman (News) wrote:

> In article <kp7f4c$2b2$1...@dont-email.me>,
> Mark <Ma...@127.0.0.1> wrote:
>> You may remember that in another post i commented that i had a FOC
>> replacement for the failed Ultimate speed charger. Dismantled the old
>> one today and the cause of the failure was the cheap DPST/PTM switch,
>> pity such nice electronics let down by a 10p switch. Works fine now, and
>> i have two for the price of one :)
>> http://img844.imageshack.us/img844/1167/dscf0941cy.jpg
>
> Nice one. Do you have a part number etc for the switch replacement - there
> seem to be thousands of variations.
>

It’s a 6x6mm Momentary SPST (not DP as i originally said) like this
http://www.ebay.co.uk/itm/180732232689 first hit on ebay you may find
better.
i have binned the original but the button length is about 4mm
i salvaged mine from a dead freeview box, it may be easer to get one with a
6mm button and cut a bit off then trying to add a few mm like i had to.
With mine the fault was with it connected to a battery and powered up the
red standby light lit but pressing the menu button had no effect YFMV.

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brubbel

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Sep 21, 2013, 8:43:24 AM9/21/13

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Replacing the miniature push button with a spare one from a toaster fixed the problem. I was also suspecting the button at first but I thought it would be too straightforward.

Thanks!

pire...@gmail.com

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Feb 18, 2014, 10:20:53 AM2/18/14

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On Saturday, September 21, 2013 1:43:24 PM UTC+1, brubbel wrote:
> Replacing the miniature push button with a spare one from a toaster fixed the problem. I was also suspecting the button at first but I thought it would be too straightforward.
>
>
>
> Thanks!

Nice to see there is a fix! Just one question,appart from being "SPST", the switch is normally open or normally closed?

Johny B Good

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Feb 18, 2014, 11:50:59 AM2/18/14

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I'm betting on it being a normally open contact (but no absolute
certainty so a good question). Most push button spst switches are of
the NOC type since the most common applications utilise a "completion
of circuit" detection methodolgy (e.g 'Bell Push', 'pull down' for
cmos/ttl electronica and so on).

Yes, there can be contrary requirements for NCC types but these are
mercifully few and far between, usually in specialist kit, often using
custom push button switch assemblies.

Of course, if you're planning on buying a replacement switch, you can
cover both eventualities by buying a change-over DPST push button
switch and wire the appropriate contacts according to the circuit
requirements.
--
Regards, J B Good

Mark

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Feb 18, 2014, 11:55:01 AM2/18/14

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<pire...@gmail.com> wrote in message
news:b7b4df09-d758-4830...@googlegroups.com...

They are a 6x6mm- with 4mm button normally open switch like this

http://r.ebay.com/a1gHlL

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