sci.electronics.repair - 25 new messages in 10 topics - digest

sci.electronics.repair
http://groups.google.com/group/sci.electronics.repair?hl=en

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Today's topics:

==============================================================================
TOPIC: microwave trays
http://groups.google.com/group/sci.electronics.repair/t/48ce5d48ee37a1bf?hl=en
==============================================================================

== 1 of 1 ==
Date: Fri, Aug 20 2010 8:23 pm
From: "Michael A. Terrell"

David Lesher wrote:
>
> Does anyone sell generic glass trays for microwaves?
>
> I have a) a dead microwave b) a good one lacking a tray.
> As you can surely guess, a's try will not fit in b.
> And the manufacturer's price is somethink like $40.
>
> I was thinking someone might sell same by size...

Do you have a local Freecycle group? I see lots of dead microwaves
offered on mine.

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

== 1 of 11 ==
Date: Sat, Aug 21 2010 12:00 am
From: none@given.now (Joe)

In article <pan.2010.08.19.17.00.11@hahahahahahahah.nutz.I.am>, Meat Plow
<mhywatt@yahoo.com> wrote:

> On Thu, 19 Aug 2010 09:18:37 -0700, William Sommerwerck wrote:
>
> >> It's not for a NASA mission! Great dangling donkey dorks man! It's for
> >> experimentation and playing around! It's not for the next great
> >> military jet interceptor! DO YOU UNDERSTAND IT'S FOR A TOY! GAWWD!
> >
> > This thread is one of the worst examples I've seen of a simple question
> > turning into a hyper-elaborated megillah.
>
> Looks like a lot of people have too much time on their hands.

If one took all the time, energy, expertise, and brain power expended on
this thread, I betcha it would be almost enough to duck tape them thar
wires to the battery.

== 2 of 11 ==
Date: Sat, Aug 21 2010 9:50 am
From: Dave

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?

Dave

== 3 of 11 ==
Date: Sat, Aug 21 2010 10:04 am
From: Bob Eager

On Sat, 21 Aug 2010 17:50:31 +0100, 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?

The promblem is that the Septics believe their own war films...for
example, 'U-571'.

--
Use the BIG mirror service in the UK:
http://www.mirrorservice.org

*lightning protection* - a w_tom conductor

== 4 of 11 ==
Date: Sat, Aug 21 2010 11:46 am
From: "Michael A. Terrell"

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?

== 5 of 11 ==
Date: Sat, Aug 21 2010 12:01 pm
From: "Steve S $another one$"

"Michael A. Terrell" <mike.terrell@earthlink.net> wrote in message
news:1oOdnTLum4aEgu3RnZ2dnUVZ_jOdnZ2d@earthlink.com...
>
> 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?

A giant US engineering company, TRW, put its best brains to work to develop
a successful electric power steering system. They spent a long time and many
millions of dollars. In the end they had to go out and buy the technology
from a little British outfit. Guess who that was? It's now the world most
successful electric power steering system.

Now who the hell was it....

Oh, yes. Lucas.

== 6 of 11 ==
Date: Sat, Aug 21 2010 12:46 pm
From: The Daring Dufas

On 8/21/2010 12:04 PM, Bob Eager wrote:
> On Sat, 21 Aug 2010 17:50:31 +0100, 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?
>
> The promblem is that the Septics believe their own war films...for
> example, 'U-571'.
>

That's odd, I know it's a work of fiction and not a documentary.
Even as a small child, I knew that Superman was not a real person.
Perhaps some people believe everything they read or see in movies
and TV shows. I have found that many Europeans get their stereotypical
opinion of the Southeast U.S. from the media and when they visit,
are surprised that there is no constant banjo music and a Negro
hanging from every other tree.

TDD

== 7 of 11 ==
Date: Sat, Aug 21 2010 12:50 pm
From: The Daring Dufas

On 8/21/2010 2:01 PM, Steve S (another one) wrote:
> "Michael A. Terrell"<mike.terrell@earthlink.net> wrote in message
> news:1oOdnTLum4aEgu3RnZ2dnUVZ_jOdnZ2d@earthlink.com...
>>
>> 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?
>
> A giant US engineering company, TRW, put its best brains to work to develop
> a successful electric power steering system. They spent a long time and many
> millions of dollars. In the end they had to go out and buy the technology
> from a little British outfit. Guess who that was? It's now the world most
> successful electric power steering system.
>
> Now who the hell was it....
>
> Oh, yes. Lucas.
>

The US military also purchased the rights to build the Harrier Jump Jet.
I think there has been a lot of technology going in both directions. So
be fair about it, The UK is a great place.

TDD

== 8 of 11 ==
Date: Sat, Aug 21 2010 12:55 pm
From: The Daring Dufas

On 8/21/2010 1:46 PM, Michael A. Terrell 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?

I thought Lucusitis was a disease cause by the use of Lucas products?
Is there not an evil fellow named Lucaser, Prince of Darkness? 8-)

TDD

== 9 of 11 ==
Date: Sat, Aug 21 2010 1:53 pm
From: "tm"

"The Daring Dufas" <the-daring-dufas@peckerhead.net> wrote in message
news:i4pau7$9kl$1@news.eternal-september.org...
> On 8/21/2010 1:46 PM, Michael A. Terrell 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?
>
> I thought Lucusitis was a disease cause by the use of Lucas products?
> Is there not an evil fellow named Lucaser, Prince of Darkness? 8-)
>
> TDD

Everything Lucas made sucked except their vacuum cleaners.

--- news://freenews.netfront.net/ - complaints: news@netfront.net ---

== 10 of 11 ==
Date: Sat, Aug 21 2010 2:23 pm
From: ><(((°>

On Sat, 21 Aug 2010 20:46:57 +0100, The Daring Dufas
<the-daring-dufas@peckerhead.net> wrote:

> On 8/21/2010 12:04 PM, Bob Eager wrote:
>> On Sat, 21 Aug 2010 17:50:31 +0100, 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?
>>
>> The promblem is that the Septics believe their own war films...for
>> example, 'U-571'.
>>
>
> That's odd, I know it's a work of fiction and not a documentary.
> Even as a small child, I knew that Superman was not a real person.
> Perhaps some people believe everything they read or see in movies
> and TV shows. I have found that many Europeans get their stereotypical
> opinion of the Southeast U.S. from the media and when they visit,
> are surprised that there is no constant banjo music and a Negro
> hanging from every other tree.
>
> TDD

Indeed, no constant banjo music or Negro's hanging from trees.

Just lots of extremely large people and restaurants that all think you
haven't eaten for months.
I guess the trees couldn't withstand the weight, so the Negro's just
dropped to the ground.

== 11 of 11 ==
Date: Sat, Aug 21 2010 2:26 pm
From: clare@snyder.on.ca

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

==============================================================================
TOPIC: Behringer xenyx 1832 micer
http://groups.google.com/group/sci.electronics.repair/t/709ad9c908210c70?hl=en
==============================================================================

== 1 of 2 ==
Date: Sat, Aug 21 2010 1:10 am
From: "N_Cook"

Not in front of me yet, enquiring if known whether a batch of bad pots went
into them, or maybe a serious case of Pbfitis.
Only a year and a half old but for ages the owner has had to offset a
standing , non varying, L/R imbalance using all the pan pots but there is
also bad "scratching" of 5 of the channel sliders. Used in a personal studio
environment so no abuses at all.

== 2 of 2 ==
Date: Sat, Aug 21 2010 1:45 am
From: Ron

On 21/08/2010 09:10, N_Cook wrote:
> Not in front of me yet, enquiring if known whether a batch of bad pots went
> into them, or maybe a serious case of Pbfitis.
> Only a year and a half old but for ages the owner has had to offset a
> standing , non varying, L/R imbalance using all the pan pots but there is
> also bad "scratching" of 5 of the channel sliders. Used in a personal studio
> environment so no abuses at all.
>
>

Fairly normal behaviour for Belringer gear. Most of it is junk.

(IMHO)
Ron(UK)

==============================================================================
TOPIC: Discount Wholesale D&G Handbag <http://www.24hours-buy.com/ >
http://groups.google.com/group/sci.electronics.repair/t/c6333b79d1cc2305?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Aug 21 2010 3:21 am
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==============================================================================
TOPIC: Why we have Gravity
http://groups.google.com/group/sci.electronics.repair/t/004d04dfe74c9553?hl=en
==============================================================================

== 1 of 5 ==
Date: Sat, Aug 21 2010 5:09 am
From: Bob Villa

On Aug 20, 2:34 pm, zekfr...@zekfrivolous.com (GregS) wrote:
> In article <4c6ebf82$0$2370$82264...@news.adtechcomputers.com>, David Nebenzahl <nob...@but.us.chickens> wrote:
>
> >On 8/19/2010 7:01 PM fitz spake thus:
>
> >> 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 force and inertial force are
> >> equivalent.
> >> 4. It will show us the speed of gravitational attraction.
>
> >Well, I'm personally anti-gravity.
>
> >*Down with gravity!*
>
> Its not down. Its into.

It is supposed to be humorous.

== 2 of 5 ==
Date: Sat, Aug 21 2010 5:39 am
From: Jeffrey Angus

There is no gravity.
The earth sucks, that's what keeps us from falling off.

== 3 of 5 ==
Date: Sat, Aug 21 2010 6:33 am
From: "Michael A. Terrell"

Jeffrey Angus wrote:
>
> There is no gravity.
> The earth sucks, that's what keeps us from falling off.

Skippy did.

== 4 of 5 ==
Date: Sat, Aug 21 2010 9:17 am
From: Jeff Liebermann

On Thu, 19 Aug 2010 19:01:17 -0700 (PDT), fitz <zeusrdx@yahoo.com>
wrote:

>Why we have Gravity

It's a side effect of distortions in space-time caused by massive
objects. The bigger the mass, the more dense the explanation.

>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).

Gravity does not accelerate. You accelerate.

>2. It will show us the actual cause of gravity.

Gravity is caused by graviton particles. When you show us a graviton,
there's a Nobel Prize waiting.

>3. It will show us why gravitational force and inertial force are
>equivalent.

Gravity is static, while inertia is dynamic (requires motion). An
object at rest has no inertial forces. You can't have it both ways.

>4. It will show us the speed of gravitational attraction.

Same as the speed of light. Any faster and you get a speeding ticket.

>Newton said gravity was acting at a much faster speed than Einstein.
>Which one of them is right?

Einstein.

>http://www.amperefitz.com/why.we.have.gravity.htm
>Click that link above if you like Science!

I hate science. Life would be much simpler if we didn't have science.

--
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

== 5 of 5 ==
Date: Sat, Aug 21 2010 2:02 pm
From: ><(((°>

On Fri, 20 Aug 2010 03:01:17 +0100, fitz <zeusrdx@yahoo.com> 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 force and inertial force are
> equivalent.
> 4. It will show us the speed of gravitational attraction.
>
> Newton said gravity was acting at a much faster speed than Einstein.
> Which one of them is right?
>
>
> http://www.amperefitz.com/why.we.have.gravity.htm
> Click that link above if you like Science!
>
>

Being a Newton myself I know exactly why we have gravity.

It's because apples are meant to be eaten and when they come loose from
apple trees something is needed to make them move to the ground rather
than them being blown away in the wind.
That in a nutshell, and straight from the horses mouth via my great great
great granddad Issac and passed down though generations, is why we have
gravity.

If Einstein thought differently he was wrong.

==============================================================================
TOPIC: Semi-conductor Question
http://groups.google.com/group/sci.electronics.repair/t/bc3822e35eab24b0?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Aug 21 2010 9:45 am
From: "Wild_Bill"

I've seen 3-wire starters that were marked Solid State (triac, presumably),
as replacement parts for current-type start relays, typically for
refrigeration compressor motors (fractional HP).

Places like Johnstone, or other suppliers for HVAC service folks should have
numerous models to choose from.
You may need to know a motor's specs, at least the LRA locked rotor amps
rating, to be able to make an informed selection of starter devices.

The following is a post from rec.crafts.metalworking..

I bought a couple of used Dayton (1/3 HP) bench grinders recently, and found
some
Klixon current-type motor starter relays being used instead of centrifugal
switches for switching between Start and Run windings in these small
split-phase 120VAC induction motors.
http://www.sensata.com/klixon/motor-protector-3cr.htm

I mention these relays because they would be a suitable replacement for
damaged mechanical components or switch contacts related to centrifugal
switches.

These relays are the types used with refrigeration and air conditioning
compressors, and also completely suitable for other split-phase motors. They
have a heavy duty winding that the motor current passes thru, not a separate
coil like common relays.
When the power is turned on, the relay is pulled in, to make contact to the
Start winding.
The starting amperage of the motor is initially high, but it drops as the
rotor approaches Run speed, the relay drops out, connecting the line voltage
to the Run winding.

There are charts of different models of the SR start relays (in PDFs at the
link above), but I didn't find any type of selector guide for choosing what
the appropriate amp ratings would be for various HP ratings.
The models of Klixon SRs I was looking at were applicable for motors up to
15A (3CR series), and the next larger series of SRs were for up to 25A, so
these ratings would cover nearly all single phase split-phase motors
(capacitor start or non-capacitor start) used in a home shop environment.

One particular aspect of the SRs is that they are gravity-dependent, and
therefore need to be installed with the proper end pointed up.
Aside from that, they are highly reliable starting devices, rated for about
1 million cycles.

The specific ratings used for a 1/3 HP bench grinder motor use an 11A
pull-in (Start) spec and a 6A drop-out (Run) spec.
Of course, larger motors would use higher rated specs for pull-in and
drop-out currents, and the ratings vary in tenths-of-an-ampere (11.5A/6.3A,
etc).

--
Cheers,
WB
.............

"Bob Villa" <pheeh.zero@gmail.com> wrote in message
news:e6651839-0b72-4722-9a06-4ca6557c386d@h19g2000yqb.googlegroups.com...
> Many years ago (possibly 50) you could buy a module that would take
> the place of a starting relay or centrifugal cut-out for an AC motor.
> Where do you find them? (I think I sent for one thru Popular Science
> mag at the time)
> Thanks

==============================================================================
TOPIC: Benq FP737S LCD monitor backlight - won't go off (longish).
http://groups.google.com/group/sci.electronics.repair/t/a56b748c7bedcf7c?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Aug 21 2010 10:45 am
From: smartslava.buffer_at_gmail_dot_com@foo.com (zlava)

zlava had written this in response to
http://www.electrondepot.com/australian/Benq-FP737S-LCD-monitor-backlight-won-t-go-off-longish-11182-.htm
:
I met same problem. PF751 open, FETs Q743/751 OK, D751 OK, Q739/740 OK,
and
Q759 shot. I replaced Q759 and fuse but after a couple of minutes problem
appeared once again. So I replaced once again Q759 and Q760. I checked
Q760 and it was little suspicion because of different resistivity
measurements. After these replacements everything works good.

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==============================================================================
TOPIC: Opinions Requested - new 50"+ LCD TV
http://groups.google.com/group/sci.electronics.repair/t/cf577b60155035fa?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Aug 21 2010 11:30 am
From: Meat Plow

On Fri, 20 Aug 2010 11:41:34 -0700, William Sommerwerck wrote:

>> I'm of the opinion that it would take a complete rework of the system
>> from studio to TV to get truly realistic colors. Heck, even photgraphs
>> are at best an approximation.
>
> It's impossible to design a system that's 100% accurate. The main
> problem seems to be that the green and blue cones' sensitivities overlap
> too much.

I'm color blind anyway.

--
Live Fast, Die Young and Leave a Pretty Corpse

==============================================================================
TOPIC: Technics SA-310 Intermittent Weak Left Channel
http://groups.google.com/group/sci.electronics.repair/t/24c0d76fe3922429?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Aug 21 2010 11:32 am
From: Meat Plow

On Sat, 21 Aug 2010 02:55:20 +0100, Arfa Daily wrote:

> "Meat Plow" <mhywatt@yahoo.com> wrote in message
> news:pan.2010.08.20.14.18.33@hahahahahahahah.nutz.I.am...
>> On Fri, 20 Aug 2010 02:33:32 +0100, Arfa Daily wrote:
>>
>>> "William R. Walsh"
>>> <newsgroups1@idontwantjunqueemail.walshcomptech.com> wrote in message
>>> news:bIadnVM7xZ5rHPHRnZ2dnUVZ_vidnZ2d@mchsi.com...
>>>> Hi!
>>>>
>>>>> Do you have any kind of iPod Touch or iPhone?
>>>>
>>>> Yes, I have a first generation iPod Touch. I should have thought of
>>>> that..."there's an app for that" too I guess.
>>>>
>>>> Out of the applications you have, is there any one that stands out
>>>> above the
>>>> rest, whether free or not?
>>>>
>>>> William
>>>>
>>>>
>>>>
>>> I have two on there. One is called "FreqGen" and the other is called
>>> "Oscillatr Free" actually spelt like that. Both are much the same in
>>> functionality, but I think that FreqGen is a bit nicer to use.
>>>
>>> Arfa
>>
>> I still use my old Leader from the 80s. It's coupled to my freq counter
>> if I need to be precise.
>>
>>
>>
>
> For most bench work, I use a Ferrograph Pro Recorder Test Set that has a
> rather nice frequency and amplitude stabilised multi decade oscillator
> in it, but I also have an old and cherished Marconi Instruments "R-C
> Oscillator" which uses tubes as I recall, although it's been a long time
> since I've been inside it. Looks like it probably dates from the 60s.
>
> Arfa

Since I don't have my I Touch yet I recorded some test tones on my Sharp
MD, transferred to PC and uploaded to my video IPod :) How's that for
ingenuity?

--
Live Fast, Die Young and Leave a Pretty Corpse

==============================================================================
TOPIC: Samsung LTN325W 32"LCD TV video tearing
http://groups.google.com/group/sci.electronics.repair/t/5d2824c11ad8c7bb?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Aug 21 2010 12:32 pm
From: whit3rd

On Aug 20, 4:08 pm, "Gordon S. Hlavenka" <nos...@crashelex.com> wrote:
> Color is a bit flat, with noticeable shadows to the right of images.
> Sometimes clears up on its own after an hour or so. I'm haven't been
> inside a TV in quite a while -- certainly not these newfangled LCD
> things

The data to an LCD display doesn't have intrinsic left-to-right top-to-
bottom
time sequencing like the old TV or CRT monitor; I'd look for the input
video source for the problem. Analog (RCA connector video or
VGA) sources might have coupling capacitors for DC restoration,
and those can fail to cause this kind of artifact.

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