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Today's topics:

* Automotive battery charger circuit breaker. - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/0164462cb92aa394?hl=en
* how to remove alkaline battery residue - 2 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/714a9d09282224a3?hl=en
* (www.24hours-buy.com) Cheap Wholesale Coach Shoes (paypal payment) - 1
messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/bda91ab2717d493d?hl=en
* Why we have Gravity - 4 messages, 3 authors
http://groups.google.com/group/sci.electronics.repair/t/004d04dfe74c9553?hl=en
* Best solder free electrical connection - 4 messages, 3 authors
http://groups.google.com/group/sci.electronics.repair/t/11e5e6461418f740?hl=en
* vestel 11AK36 A8 TV - PSU not starting - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/40010e9e2ff31ad0?hl=en
* Roost Session Master , 1976 - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/07d36398c8b10125?hl=en

==============================================================================
TOPIC: Automotive battery charger circuit breaker.
http://groups.google.com/group/sci.electronics.repair/t/0164462cb92aa394?hl=en
==============================================================================

== 1 of 1 ==
Date: Sun, Aug 29 2010 4:35 pm
From: Sy

On 2010-08-28 10:58, Jamie wrote:
> Sy wrote:
>
>> Hi.
>> Does anyone know where to find a replacement circuit breaker for a 6A
>> automotive battery charger?
>>
>> The charger is from the '70's, a simple basic transformer and 2 diodes . The
>> circuit breaker is the type that automatically resets. The old one was a
>> little glass tube, but I've seen the type that are square with threaded
>> terminals too. Either one would work.
>>
>> Thanks.
> You need a BI metal circuit breaker..
>
> Just go to your local auto parts store and get a
> plug breaker used for power windows etc in the upper cars..
>
>
>
Thanks, I tried those plug-in breakers. They all seem to be type II, such that
the power has to be removed for the device to reset. I also tried the little PTC
devices, similarly they won't reset with the load still there.

Littlefuse 812006 seems to be what I need, now all I have to do is find a source
nearby.

Thanks.

==============================================================================
TOPIC: how to remove alkaline battery residue
http://groups.google.com/group/sci.electronics.repair/t/714a9d09282224a3?hl=en
==============================================================================

== 1 of 2 ==
Date: Sun, Aug 29 2010 5:09 pm
From: Jeff Liebermann

On Sun, 29 Aug 2010 10:24:04 +0000 (UTC), "Geoffrey S. Mendelson"
<gsm@mendelson.com> wrote:

>We don't have dirty toilets BTW, there are lots of other cleaners, including
>"mai cham" (literally hot water), which is a dilute muratic acid solution.

That will etch the surface of the porcelain, which will cause
particles of defecant to stick to the surface. It's much like using a
chemical sandpaper.

>The most common is "economica", which is a brand name that has become a
>generic term for cholrine bleach with soap and optional lemon scent.

Lemon is a nasal desensitizer. Add lemon scent to anything and all
you small is lemon. That's why there are so many "lemon fresh"
products on the market. For an example, put a lemon under your nose,
while biting into an apple.

>I like the mushroom cloud idea, but I'm not sure everyone would recognize it.
>It's become a cultural icon in the west, but I'm not sure about rural China,
>India, or Africa.

I was mostly serious. It's a difficult problem, but attempts have
been made by people with more imagination than me.
<http://davecurran.blogspot.com/2009/04/chemical-safety-symbols.html>
<http://images.google.com/images?q=chemical+safety+symbols>
Something showing two bottles of whatever, mixed together, and
creating a mushroom cloud, might be effective as a general warning not
to mix anything together. Whether they understand the point, might be
debatable. I suspect the difficulty of the problem resulted in the
ban.

>We also get most of our batteries from Singapore and mainlaind China, often
>sold as well known "American" brands. The particularly bad ones were Office
>Depot house brand, made in Hong Kong, but some were Duracell or Energizer
>brand, made in various western European countries (or at least claimed to be).

You're getting our rejects and counterfiets. I never realized how bad
they can be until I bought some fake Duracell batteries at a local
thrift shop. Some had leaked in the package, which should have given
me a clue.
<http://www2.electronicproducts.com/The_dangers_of_counterfeit_battery_packs-article-fapo_MicroPower_mar2009-html.aspx>
<http://www.lutontoday.co.uk/lut-news/Fake-Duracells-energize-Town-Hall.3622528.jp>
<http://www.walesonline.co.uk/news/wales-news/2009/03/28/battery-fakes-could-have-put-trader-in-a-cell-of-his-own-judge-91466-23251370/>
etc...

--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

== 2 of 2 ==
Date: Sun, Aug 29 2010 5:56 pm
From: "William Sommerwerck"

>> We don't have dirty toilets BTW, there are lots of other cleaners,
>> including "mai cham" (literally hot water), which is a dilute muratic
>> acid solution.

> That will etch the surface of the porcelain, which will cause
> particles of defecant to stick to the surface. It's much like using a
> chemical sandpaper.

I don't think that's correct. I don't think most acids will attack
porcelain.

This is all I could find. It isn't clear what the relationship between
"porcelain enamel" and the porcelain used in bathroom fixtures is.

http://www.porcelainenamel.com/pei503.htm

==============================================================================
TOPIC: (www.24hours-buy.com) Cheap Wholesale Coach Shoes (paypal payment)
http://groups.google.com/group/sci.electronics.repair/t/bda91ab2717d493d?hl=en
==============================================================================

== 1 of 1 ==
Date: Sun, Aug 29 2010 6:11 pm
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==============================================================================
TOPIC: Why we have Gravity
http://groups.google.com/group/sci.electronics.repair/t/004d04dfe74c9553?hl=en
==============================================================================

== 1 of 4 ==
Date: Sun, Aug 29 2010 6:34 pm
From: RichTravsky

Bob Villa wrote:
>
> On Aug 23, 2:50 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
> wrote:
> > Bob Villa wrote:
> >
> > > On Aug 23, 12:24 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
> > > wrote:
> > > > RichTravsky wrote:
> >
> > > > > fitz wrote:
> >
> > > > > > Why we have Gravity
> >
> > > > > > A correct theory of gravity will show us these four (4) things:
> > > > > > 1. It will show us why gravity also acts like acceleration (principle
> > > > > > of equvalence).
> > > > > > 2. It will show us the actual cause of gravity.
> > > > > > 3. It will show us why gravitational mass and inertial mass are
> > > > > > identical.
> > > > > > 4. It will show us the speed of gravitational attraction.
> >
> > > > > > Newton said gravity was acting at a much faster speed than Einstein.
> >
> > > > > Well, the average running speed of a human is around 10 mph. Sprints, the
> > > > > record is under 30 mph. I don't know how athletic Einstein was so we could
> > > > > use a figure of 3 mph walking speed. Nice to set some lower boundaries
> > > > > on the SoG (speed of gravity).
> >
> > > > Slow Old Geezers.
> >
> > > I resemble that remark!
> >
> > Admitting it is the first step to recovery! ;-)
>
> There is no recovery...slow, old geezers only get slower.

And older...

== 2 of 4 ==
Date: Sun, Aug 29 2010 7:39 pm
From: Dan

RichTravsky wrote:
> Bob Villa wrote:
>> On Aug 23, 2:50 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
>> wrote:
>>> Bob Villa wrote:
>>>
>>>> On Aug 23, 12:24 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
>>>> wrote:
>>>>> RichTravsky wrote:
>>>>>> fitz wrote:
>>>>>>> Why we have Gravity
>>>>>>> A correct theory of gravity will show us these four (4) things:
>>>>>>> 1. It will show us why gravity also acts like acceleration (principle
>>>>>>> of equvalence).
>>>>>>> 2. It will show us the actual cause of gravity.
>>>>>>> 3. It will show us why gravitational mass and inertial mass are
>>>>>>> identical.
>>>>>>> 4. It will show us the speed of gravitational attraction.
>>>>>>> Newton said gravity was acting at a much faster speed than Einstein.
>>>>>> Well, the average running speed of a human is around 10 mph. Sprints, the
>>>>>> record is under 30 mph. I don't know how athletic Einstein was so we could
>>>>>> use a figure of 3 mph walking speed. Nice to set some lower boundaries
>>>>>> on the SoG (speed of gravity).
>>>>> Slow Old Geezers.
>>>> I resemble that remark!
>>> Admitting it is the first step to recovery! ;-)
>> There is no recovery...slow, old geezers only get slower.
>
> And older...

It could be worse. Those who write music start decomposing when they die.

Dan, U.S. Air Force, retired

== 3 of 4 ==
Date: Sun, Aug 29 2010 9:40 pm
From: "BobW"

"Dan" <B2431B@aol.com> wrote in message
news:DY2dnbJAjv-Ah-bRnZ2dnUVZ_rCdnZ2d@giganews.com...
> RichTravsky wrote:

>>> There is no recovery...slow, old geezers only get slower.
>>
>> And older...
>
> It could be worse. Those who write music start decomposing when they die.
>
> Dan, U.S. Air Force, retired

That's really sick, Dan.

Of course, you do know what they found on Beethoven's piano bench after he
had died? His last movement.

Bob
--
== All google group posts are automatically deleted due to spam ==

== 4 of 4 ==
Date: Sun, Aug 29 2010 10:40 pm
From: Dan

BobW wrote:
> "Dan" <B2431B@aol.com> wrote in message
> news:DY2dnbJAjv-Ah-bRnZ2dnUVZ_rCdnZ2d@giganews.com...
>> RichTravsky wrote:
>
>>>> There is no recovery...slow, old geezers only get slower.
>>> And older...
>> It could be worse. Those who write music start decomposing when they die.
>>
>> Dan, U.S. Air Force, retired
>
>
> That's really sick, Dan.
>
> Of course, you do know what they found on Beethoven's piano bench after he
> had died? His last movement.
>
> Bob

And Bach drank Beethoven's fifth. He knew where it was Haydn.

Dan, U.S. Air Force, retired

==============================================================================
TOPIC: Best solder free electrical connection
http://groups.google.com/group/sci.electronics.repair/t/11e5e6461418f740?hl=en
==============================================================================

== 1 of 4 ==
Date: Sun, Aug 29 2010 6:36 pm
From: clare@snyder.on.ca

On Sun, 29 Aug 2010 16:07:35 -0500, "krw@att.bizzzzzzzzzzzz"
<krw@att.bizzzzzzzzzzzz> wrote:

>On Sun, 29 Aug 2010 19:07:07 +0100, geoff <troll@uk-diy.org> wrote:
>
>>In message <40j376ljgj96q0brsbaofkk2dfkubc76gc@4ax.com>,
>>clare@snyder.on.ca writes
>>>On Sun, 22 Aug 2010 18:13:58 +0100, ><(((°> <nospam@butfish.com>
>>>wrote:
>>>
>>>>On Sun, 22 Aug 2010 16:45:08 +0100, krw@att.bizzzzzzzzzzzz
>>>><krw@att.bizzzzzzzzzzzz> wrote:
>>>>
>>>>> On Sun, 22 Aug 2010 12:01:04 +0100, tony sayer <tony@bancom.co.uk> wrote:
>>>>>
>>>>>> In article <-NmdnY7Fjv0c5e3RnZ2dnUVZ_sidnZ2d@earthlink.com>, Michael A.
>>>>>> Terrell <mike.terrell@earthlink.net> scribeth thus
>>>>>>>
>>>>>>>> <(((°> wrote:
>>>>>>>>
>>>>>>>> On Sat, 21 Aug 2010 22:26:53 +0100, <clare@snyder.on.ca> wrote:
>>>>>>>>
>>>>>>>> > On Sat, 21 Aug 2010 14:46:34 -0400, "Michael A. Terrell"
>>>>>>>> > <mike.terrell@earthlink.net> wrote:
>>>>>>>> >
>>>>>>>> >>
>>>>>>>> >> Dave wrote:
>>>>>>>> >>>
>>>>>>>> >>> On 21/08/2010 03:59, Michael A. Terrell wrote:
>>>>>>>> >>> >
>>>>>>>> >>> > geoff wrote:
>>>>>>>> >>>
>>>>>>>> >>> > That's a very good example of why most people with brains
>>>>>>>> left
>>>>>>>> >>> Europe
>>>>>>>> >>> > for 'The new World'.
>>>>>>>> >>>
>>>>>>>> >>> So how come Britain made a better nuclear bomb than the New
>>>>>>>> World? And
>>>>>>>> >>> the New World wanted as much detail of our superior technology as
>>>>>>>> they
>>>>>>>> >>> could get?
>>>>>>>> >>
>>>>>>>> >>
>>>>>>>> >> What superior technology? Lucas?
>>>>>>>> > No "superior technology" has come out of GB since about 1950. - and
>>>>>>>> > that may be stretchng it. There have been a few "good ideas" since
>>>>>>>>
>>>>>>>> I might be wrong but I thought Concorde started flying after 1950.
>>>>>>>> Though then again the Septics didn't like the noise, or was it a
>>>>>>>> classic
>>>>>>>> case of "Not Invented Here" syndrome?
>>>>>>>
>>>>>>>
>>>>>>> It was a fast plane, but a poor design.
>>>>>>
>>>>>> Not that bad really as it was the first one..
>>>>>>
>>>>>>> They spent wads of money to
>>>>>>> build and maintain them, then junked the entire fleet. It was noisy
>>>>>>> and
>>>>>>> very fuel inefficient. That forced the fares so high that they weren't
>>>>>>> able to compete with better planes from multiple countries.
>>>>>>
>>>>>> What other supersonic airliners are those then?...
>>>>>
>>>>> Don't read well, do you? The 747 kicked its butt.
>>>>
>>>>The 747 goes about 600 mph top whack.
>>>>Supersonic means greater than 768 mph so the 747 ain't a supersonic
>>>>airliner.
>>>>
>>>>You might have a military plane faster but you haven't got a passenger
>>>>airliner faster.
>>> The 747 (on a bad day) moves more passenger-miles per hour on less
>>>than 1/4 the lbs of fuel per passenger mile than the concorde could
>>>dream of on it's best day
>>
>>You could say more or less the same comparing a ford fiesta and a rolls
>>royce
>
>I think you'll find that a Rolls will move more passenger-miles per hour than
>a Ford Fiesta. ;-)
But more passenger miles per hour per GALLON? Perhaps, but i somehow
doubt it, having actually driven and fed both. . . . . .

== 2 of 4 ==
Date: Sun, Aug 29 2010 8:27 pm
From: "krw@att.bizzzzzzzzzzzz"

On Sun, 29 Aug 2010 21:36:23 -0400, clare@snyder.on.ca wrote:

>On Sun, 29 Aug 2010 16:07:35 -0500, "krw@att.bizzzzzzzzzzzz"
><krw@att.bizzzzzzzzzzzz> wrote:
>
>>On Sun, 29 Aug 2010 19:07:07 +0100, geoff <troll@uk-diy.org> wrote:
>>
>>>In message <40j376ljgj96q0brsbaofkk2dfkubc76gc@4ax.com>,
>>>clare@snyder.on.ca writes
>>>>On Sun, 22 Aug 2010 18:13:58 +0100, ><(((°> <nospam@butfish.com>
>>>>wrote:
>>>>
>>>>>On Sun, 22 Aug 2010 16:45:08 +0100, krw@att.bizzzzzzzzzzzz
>>>>><krw@att.bizzzzzzzzzzzz> wrote:
>>>>>
>>>>>> On Sun, 22 Aug 2010 12:01:04 +0100, tony sayer <tony@bancom.co.uk> wrote:
>>>>>>
>>>>>>> In article <-NmdnY7Fjv0c5e3RnZ2dnUVZ_sidnZ2d@earthlink.com>, Michael A.
>>>>>>> Terrell <mike.terrell@earthlink.net> scribeth thus
>>>>>>>>
>>>>>>>>> <(((°> wrote:
>>>>>>>>>
>>>>>>>>> On Sat, 21 Aug 2010 22:26:53 +0100, <clare@snyder.on.ca> wrote:
>>>>>>>>>
>>>>>>>>> > On Sat, 21 Aug 2010 14:46:34 -0400, "Michael A. Terrell"
>>>>>>>>> > <mike.terrell@earthlink.net> wrote:
>>>>>>>>> >
>>>>>>>>> >>
>>>>>>>>> >> Dave wrote:
>>>>>>>>> >>>
>>>>>>>>> >>> On 21/08/2010 03:59, Michael A. Terrell wrote:
>>>>>>>>> >>> >
>>>>>>>>> >>> > geoff wrote:
>>>>>>>>> >>>
>>>>>>>>> >>> > That's a very good example of why most people with brains
>>>>>>>>> left
>>>>>>>>> >>> Europe
>>>>>>>>> >>> > for 'The new World'.
>>>>>>>>> >>>
>>>>>>>>> >>> So how come Britain made a better nuclear bomb than the New
>>>>>>>>> World? And
>>>>>>>>> >>> the New World wanted as much detail of our superior technology as
>>>>>>>>> they
>>>>>>>>> >>> could get?
>>>>>>>>> >>
>>>>>>>>> >>
>>>>>>>>> >> What superior technology? Lucas?
>>>>>>>>> > No "superior technology" has come out of GB since about 1950. - and
>>>>>>>>> > that may be stretchng it. There have been a few "good ideas" since
>>>>>>>>>
>>>>>>>>> I might be wrong but I thought Concorde started flying after 1950.
>>>>>>>>> Though then again the Septics didn't like the noise, or was it a
>>>>>>>>> classic
>>>>>>>>> case of "Not Invented Here" syndrome?
>>>>>>>>
>>>>>>>>
>>>>>>>> It was a fast plane, but a poor design.
>>>>>>>
>>>>>>> Not that bad really as it was the first one..
>>>>>>>
>>>>>>>> They spent wads of money to
>>>>>>>> build and maintain them, then junked the entire fleet. It was noisy
>>>>>>>> and
>>>>>>>> very fuel inefficient. That forced the fares so high that they weren't
>>>>>>>> able to compete with better planes from multiple countries.
>>>>>>>
>>>>>>> What other supersonic airliners are those then?...
>>>>>>
>>>>>> Don't read well, do you? The 747 kicked its butt.
>>>>>
>>>>>The 747 goes about 600 mph top whack.
>>>>>Supersonic means greater than 768 mph so the 747 ain't a supersonic
>>>>>airliner.
>>>>>
>>>>>You might have a military plane faster but you haven't got a passenger
>>>>>airliner faster.
>>>> The 747 (on a bad day) moves more passenger-miles per hour on less
>>>>than 1/4 the lbs of fuel per passenger mile than the concorde could
>>>>dream of on it's best day
>>>
>>>You could say more or less the same comparing a ford fiesta and a rolls
>>>royce
>>
>>I think you'll find that a Rolls will move more passenger-miles per hour than
>>a Ford Fiesta. ;-)
> But more passenger miles per hour per GALLON? Perhaps, but i somehow
>doubt it, having actually driven and fed both. . . . . .

The point was that his analogy sucks.

== 3 of 4 ==
Date: Mon, Aug 30 2010 12:15 am
From: Frank Erskine

On 22 Aug 2010 21:54:21 GMT, Bob Eager <rde42@spamcop.net> wrote:

>On Sun, 22 Aug 2010 20:16:50 +0100, Frank Erskine wrote:
>
>> On Sun, 22 Aug 2010 12:39:08 -0500, "krw@att.bizzzzzzzzzzzz"
>> <krw@att.bizzzzzzzzzzzz> wrote:
>>
>>>On Sun, 22 Aug 2010 18:13:58 +0100, ><(((°> <nospam@butfish.com> wrote:
>>>
>>>>On Sun, 22 Aug 2010 16:45:08 +0100, krw@att.bizzzzzzzzzzzz
>>>><krw@att.bizzzzzzzzzzzz> wrote:
>>>>
>>>>> On Sun, 22 Aug 2010 12:01:04 +0100, tony sayer <tony@bancom.co.uk>
>>>>> wrote:
>>>>>
>>>>>> In article <-NmdnY7Fjv0c5e3RnZ2dnUVZ_sidnZ2d@earthlink.com>, Michael
>>>>>> A. Terrell <mike.terrell@earthlink.net> scribeth thus
>>>>>>>
>>>>>>>> <(((°> wrote:
>>>>>>>>
>>>>>>>> On Sat, 21 Aug 2010 22:26:53 +0100, <clare@snyder.on.ca> wrote:
>>>>>>>>
>>>>>>>> > On Sat, 21 Aug 2010 14:46:34 -0400, "Michael A. Terrell"
>>>>>>>> > <mike.terrell@earthlink.net> wrote:
>>>>>>>> >
>>>>>>>> >
>>>>>>>> >> Dave wrote:
>>>>>>>> >>>
>>>>>>>> >>> On 21/08/2010 03:59, Michael A. Terrell wrote:
>>>>>>>> >>> >
>>>>>>>> >>> > geoff wrote:
>>>>>>>> >>>
>>>>>>>> >>> > That's a very good example of why most people with
>>>>>>>> >>> > brains
>>>>>>>> left
>>>>>>>> >>> Europe
>>>>>>>> >>> > for 'The new World'.
>>>>>>>> >>>
>>>>>>>> >>> So how come Britain made a better nuclear bomb than the New
>>>>>>>> World? And
>>>>>>>> >>> the New World wanted as much detail of our superior technology
>>>>>>>> >>> as
>>>>>>>> they
>>>>>>>> >>> could get?
>>>>>>>> >>
>>>>>>>> >>
>>>>>>>> >> What superior technology? Lucas?
>>>>>>>> > No "superior technology" has come out of GB since about 1950. -
>>>>>>>> > and
>>>>>>>> > that may be stretchng it. There have been a few "good ideas"
>>>>>>>> > since
>>>>>>>>
>>>>>>>> I might be wrong but I thought Concorde started flying after 1950.
>>>>>>>> Though then again the Septics didn't like the noise, or was it a
>>>>>>>> classic
>>>>>>>> case of "Not Invented Here" syndrome?
>>>>>>>
>>>>>>>
>>>>>>> It was a fast plane, but a poor design.
>>>>>>
>>>>>> Not that bad really as it was the first one..
>>>>>>
>>>>>>> They spent wads of money to
>>>>>>> build and maintain them, then junked the entire fleet. It was
>>>>>>> noisy and
>>>>>>> very fuel inefficient. That forced the fares so high that they
>>>>>>> weren't able to compete with better planes from multiple countries.
>>>>>>
>>>>>> What other supersonic airliners are those then?...
>>>>>
>>>>> Don't read well, do you? The 747 kicked its butt.
>>>>
>>>>The 747 goes about 600 mph top whack. Supersonic means greater than 768
>>>>mph so the 747 ain't a supersonic airliner.
>>>
>>>I guess that answered my question (you don't read well).
>>>
>>>The Concorde was not successful. The 747 is.
>>>
>>>>You might have a military plane faster but you haven't got a passenger
>>>>airliner faster.
>>>
>>>So what? The SST was canceled because it didn't make sense. You
>>>nitwits weren't bright enough to figure that out/
>>
>> Probably crimps are the best solder-free connections.
>
>I dunno. Spot welds?

Criomps are probably easier for d-i-y.

--
Frank Erskine

== 4 of 4 ==
Date: Mon, Aug 30 2010 12:25 am
From: Frank Erskine

On Mon, 30 Aug 2010 08:15:16 +0100, Frank Erskine
<frank.erskine@btinternet.com> wrote:

>On 22 Aug 2010 21:54:21 GMT, Bob Eager <rde42@spamcop.net> wrote:
>
>>On Sun, 22 Aug 2010 20:16:50 +0100, Frank Erskine wrote:
>>
>>> On Sun, 22 Aug 2010 12:39:08 -0500, "krw@att.bizzzzzzzzzzzz"
>>> <krw@att.bizzzzzzzzzzzz> wrote:
>>>
>>>>On Sun, 22 Aug 2010 18:13:58 +0100, ><(((°> <nospam@butfish.com> wrote:
>>>>
>>>>>On Sun, 22 Aug 2010 16:45:08 +0100, krw@att.bizzzzzzzzzzzz
>>>>><krw@att.bizzzzzzzzzzzz> wrote:
>>>>>
>>>>>> On Sun, 22 Aug 2010 12:01:04 +0100, tony sayer <tony@bancom.co.uk>
>>>>>> wrote:
>>>>>>
>>>>>>> In article <-NmdnY7Fjv0c5e3RnZ2dnUVZ_sidnZ2d@earthlink.com>, Michael
>>>>>>> A. Terrell <mike.terrell@earthlink.net> scribeth thus
>>>>>>>>
>>>>>>>>> <(((°> wrote:
>>>>>>>>>
>>>>>>>>> On Sat, 21 Aug 2010 22:26:53 +0100, <clare@snyder.on.ca> wrote:
>>>>>>>>>
>>>>>>>>> > On Sat, 21 Aug 2010 14:46:34 -0400, "Michael A. Terrell"
>>>>>>>>> > <mike.terrell@earthlink.net> wrote:
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >> Dave wrote:
>>>>>>>>> >>>
>>>>>>>>> >>> On 21/08/2010 03:59, Michael A. Terrell wrote:
>>>>>>>>> >>> >
>>>>>>>>> >>> > geoff wrote:
>>>>>>>>> >>>
>>>>>>>>> >>> > That's a very good example of why most people with
>>>>>>>>> >>> > brains
>>>>>>>>> left
>>>>>>>>> >>> Europe
>>>>>>>>> >>> > for 'The new World'.
>>>>>>>>> >>>
>>>>>>>>> >>> So how come Britain made a better nuclear bomb than the New
>>>>>>>>> World? And
>>>>>>>>> >>> the New World wanted as much detail of our superior technology
>>>>>>>>> >>> as
>>>>>>>>> they
>>>>>>>>> >>> could get?
>>>>>>>>> >>
>>>>>>>>> >>
>>>>>>>>> >> What superior technology? Lucas?
>>>>>>>>> > No "superior technology" has come out of GB since about 1950. -
>>>>>>>>> > and
>>>>>>>>> > that may be stretchng it. There have been a few "good ideas"
>>>>>>>>> > since
>>>>>>>>>
>>>>>>>>> I might be wrong but I thought Concorde started flying after 1950.
>>>>>>>>> Though then again the Septics didn't like the noise, or was it a
>>>>>>>>> classic
>>>>>>>>> case of "Not Invented Here" syndrome?
>>>>>>>>
>>>>>>>>
>>>>>>>> It was a fast plane, but a poor design.
>>>>>>>
>>>>>>> Not that bad really as it was the first one..
>>>>>>>
>>>>>>>> They spent wads of money to
>>>>>>>> build and maintain them, then junked the entire fleet. It was
>>>>>>>> noisy and
>>>>>>>> very fuel inefficient. That forced the fares so high that they
>>>>>>>> weren't able to compete with better planes from multiple countries.
>>>>>>>
>>>>>>> What other supersonic airliners are those then?...
>>>>>>
>>>>>> Don't read well, do you? The 747 kicked its butt.
>>>>>
>>>>>The 747 goes about 600 mph top whack. Supersonic means greater than 768
>>>>>mph so the 747 ain't a supersonic airliner.
>>>>
>>>>I guess that answered my question (you don't read well).
>>>>
>>>>The Concorde was not successful. The 747 is.
>>>>
>>>>>You might have a military plane faster but you haven't got a passenger
>>>>>airliner faster.
>>>>
>>>>So what? The SST was canceled because it didn't make sense. You
>>>>nitwits weren't bright enough to figure that out/
>>>
>>> Probably crimps are the best solder-free connections.
>>
>>I dunno. Spot welds?
>
>Criomps are probably easier for d-i-y.
Or even crimps...

--
Frank Erskine

==============================================================================
TOPIC: vestel 11AK36 A8 TV - PSU not starting
http://groups.google.com/group/sci.electronics.repair/t/40010e9e2ff31ad0?hl=en
==============================================================================

== 1 of 1 ==
Date: Sun, Aug 29 2010 7:42 pm
From: b

On Aug 29, 12:49 am, "Arfa Daily" <arfa.da...@ntlworld.com> wrote:
> "b" <reverend_rog...@yahoo.com> wrote in message
>
> news:e4159d34-fc6a-4427-800f-17350cf3a391@t20g2000yqa.googlegroups.com...
>
>
>
> > On Aug 28, 9:33 am, "Arfa Daily" <arfa.da...@ntlworld.com> wrote:
> >> "b" <reverend_rog...@yahoo.com> wrote in message
>
> >>news:8f75d703-8667-4259-8068-d91597e86867@q2g2000yqq.googlegroups.com...
>
> >> > This 14" 11AK36-A8 tv apparently 'just went off.' there was evidence
> >> > of a short near the mains inlet, on the print side of the pcb -
> >> > probably a strand of wire or blob of solder from the time of
> >> > manufcture had been the cause. checked rectifier, removed PTC in case,
> >> > replaced fuse. Set dead. 0v at psu o/ps.
>
> >> > checked the obvious in psu primary,  no shorted diodes or open
> >> > resistors. Removed secondary diodes including HT line.
>
> >> > schematics here (5m). Psu is on page 24.:
> >> >http://www.fileden.com/files/2007/6/4/1143893//11AK36
> >> > FULL.pdf
>
> >> > ...not identical but the main aspects are the same.
>
> >> > 300v present across mains capacitor, and at R821 (safety) and
> >> > collector of Q801.
> >> > 25v present at c811, suggesting the uPc of the PSU has power.
>
> >> > I don't know where to look now. My next step would be to change the
> >> > uPc UC3843, but I don't think I've ever seen a case where the chip
> >> > went on its own...
>
> >> > I should probably have tossed this aside by now but I'm just keen to
> >> > satisfy my curiosity. So I'm all ears.
> >> > cheers,
> >> > B.
>
> >> The link doesn't seem to get you direct to the schematic. Seems to want a
> >> login from the home page ?
>
> >> As for '3843s, I have had them go faulty on their own on other Vestel
> >> PSUs,
> >> but I agree, it's rare. Have you ESR checked any small primary-side
> >> electrolytics ? Is there anywhere else I can get a squint at the schems,
> >> or
> >> can you mail the pdf to me direct ? I do quite a lot of switchers, and
> >> used
> >> to do a lot of Vestels from bigger LCD TVs, so I might be able to offer
> >> an
> >> insight or two ...
>
> >> Arfa
>
> > thanks. try this link:
> >http://www.fileden.com/files/2007/6/4/1143893/11AK36%20FULL.pdf
>
> > I got this from eserviceinfo originally, I think.
> > Re: electrolytics, besides the mains filter cap I think there's only
> > the one I mentioned (c811)
> > cheers
> > Ben
>
> On some of the Vestel supplies that I've worked on, I have had problems with
> the high voltage polyester caps going open. That 47nF 630v one, C812, would
> be a prime one to check, particularly if it's a bright blue 'boxy' one,
> rather than a brown epoxy coated type. I'll have a bit closer look tomorrow.
>
> Arfa

thanks, will follow that up sometime in the next fortnight
cheers, B.

==============================================================================
TOPIC: Roost Session Master , 1976
http://groups.google.com/group/sci.electronics.repair/t/07d36398c8b10125?hl=en
==============================================================================

== 1 of 1 ==
Date: Mon, Aug 30 2010 12:17 am
From: "N_Cook"

That was quite painless. I suppose as audio, between mains frequency and
SMPS f., T&I iron lamination but air gap, all E in one varnished lump and
all I in one lump. Between interlaced I&E iron of mains and ferrite
airgapped of smps. 34.48gm of bobbin,terminals, thick wire and the broken
0.13mm wire . On outside winding , should count off easily via paint
stripper softening or hot air and weight if not. No obvious overheating on
the outside or telltale melting of the bobbin at the now revealed centre.
I suspect just marginal overheating combined with too much wire , it is
seriously squashed up on the bobbin to have got it slid over the E plates,
and pehaps just a mechanical break somewhere, but it did occur in the same
session as the loss of bias meltdown.

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