sci.electronics.repair - 25 new messages in 8 topics - digest

sci.electronics.repair
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Today's topics:

==============================================================================
TOPIC: Carver PM-1.5a amp
http://groups.google.com/group/sci.electronics.repair/t/28d1658d86680092?hl=en
==============================================================================

== 1 of 7 ==
Date: Thurs, Sep 9 2010 12:33 am
From: "Phil Allison"

"Nutcase Kook"

> But nowhere can I find the ,no load, quiescent draw from the mains.

** When the PSU is operating normally, the AC rms current draw is about
400mA.

> I have
> bypassed / isolated the mains triac board and powering via metered variac
> to
> the transformer direct at these preliminary stages of powerup. Running at
> 50
> percent mains about 0.1 amp current draw and all monitored DC levels match
> between channels and clean signal on output and ps rails half expected
> values. Increase to 60 percent and draw climbs abruptly to 0.5 amp .

** In that mode, 140 volts rms is all you should apply - internal DC rails
will then be close to full rating at idle.

> So far
> quickly returned to 50 percent and nothing obviously overheating. Anyone
> happen to know the expected draw?

** So this vile, autistic cretin has not got a fucking clue what "
magnetising current " is.

Yawnnnnnnnnnnnn..............

..... Phil

== 2 of 7 ==
Date: Thurs, Sep 9 2010 4:34 am
From: "N_Cook"

Very awkward wrapped-up around itself amp to work on. With so many supply
rails and 50 percent values I'd not noticed a blown up and shorted
3900uF,50V electro in the ps. Another 20 minutes getting that sub-board out,
anything to avoid taking the whole amp apart with all those 24 TO3 sockets
demounted , frail soldered-in interboard "headers" etc

== 3 of 7 ==
Date: Thurs, Sep 9 2010 6:27 am
From: Meat Plow

On Thu, 09 Sep 2010 10:37:42 +1000, Phil Allison wrote:

> "Meat Plow Needs Shooting "

Aw, poor wittle Phil popped another aneurysm.

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

== 4 of 7 ==
Date: Thurs, Sep 9 2010 6:28 am
From: Meat Plow

On Thu, 09 Sep 2010 03:02:37 +0200, Sjouke Burry wrote:

> Meat Plow wrote:
>> On Thu, 09 Sep 2010 09:21:44 +1000, Phil Allison wrote:
>>
>>> There[SLAP]
>>
>>
>> What's the Aussie words for fuck off?
>>
>> Oh yeah, fuck off Phil.
>>
>>
> Sodomize Meat Plow. ( you asked for that response :)

You want to sodomize me?

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

== 5 of 7 ==
Date: Thurs, Sep 9 2010 6:29 am
From: Meat Plow

On Thu, 09 Sep 2010 12:34:33 +0100, N_Cook wrote:

> Very awkward wrapped-up around itself amp to work on. With so many
> supply rails and 50 percent values I'd not noticed a blown up and
> shorted 3900uF,50V electro in the ps. Another 20 minutes getting that
> sub-board out, anything to avoid taking the whole amp apart with all
> those 24 TO3 sockets demounted , frail soldered-in interboard "headers"
> etc

They were not my favorite amp to work on.

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

== 6 of 7 ==
Date: Thurs, Sep 9 2010 7:58 am
From: "Phil Allison"

"Meat Plow TROLL Needs Shooting "

> Adaptive or commutating power supply. Adds more rail the harder it's
> driven.

** Bollocks.

There is a triac "dimmer" circuit in the AC voltage feed to the power
tranny - it acts to regulate the ( multiple )DC rails under load.

This allows a very small AC tranny to be used with limitations on duty
cycle.

> Rails don't like continuous sine waves.

** More bollocks.

>May provide some explanation to
> what you are seeing.

** Ever heard of " I mag " with iron core transformers ????

Once the saturation level is reached, it tends to go ballistic.

You INSANE fucking IMBECILE !!

.... Phil

== 7 of 7 ==
Date: Thurs, Sep 9 2010 9:49 am
From: Meat Plow

On Fri, 10 Sep 2010 00:58:21 +1000, Phil Allison wrote:

> "Meat Plow TROLL Needs Shooting "

Aw poor queer Phil. Does your poosy hurtz?

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

==============================================================================
TOPIC: Braun TS 45 Electrical Drawings
http://groups.google.com/group/sci.electronics.repair/t/b7a2fc2eaea1b67a?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, Sep 9 2010 1:23 am
From: "N_Cook"

aaronlubelski <aaronlubelski.6cb4719@diybanter.com> wrote in message
news:aaronlubelski.6cb4719@diybanter.com...
>
> All colleagues
>
> Need Braun TS 45 receiver Electrical Drawings
>
> appreciate the help in advance, Aaron
>
>
>
>
> --
> aaronlubelski

try reposting to

de.sci.electronics

==============================================================================
TOPIC: Fill Form And Get $10,000 From PayPal.
http://groups.google.com/group/sci.electronics.repair/t/f1b5c0f1db5e198c?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, Sep 9 2010 4:26 am
From: SUHASINI

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==============================================================================
TOPIC: Plasma TV foggy area (update)
http://groups.google.com/group/sci.electronics.repair/t/dfcf3f49ddd715f9?hl=en
==============================================================================

== 1 of 11 ==
Date: Thurs, Sep 9 2010 4:41 am
From: "Michael Kennedy"

Well I got the TV and the front glass wasn't very difficult to remove.

The first thing I noticed was a brown residue on the inside of the all
along the top vents and similar colored dust bunnies inside. I couldn't find
any source for this.. It didn't seem to be coming from any components. I see
no evidence of it on any of the components.

When I removed the glass it was coated in this same brown residue. Even the
apparently clear parts were quite dirty. I spent more time cleaning the
glass than actually taking the glass out.

Anyhow the only thing I can guess is that there is something that was
brining off the actual plasma screen and the smoke residue covered
everything else. I cant understand how else the residue would have gotten
between the glass and the display.

It has a very nice picture now and the speakers sound very good. Bass and
treble My only complaint is the pwr relays seem to be a bit noisy.

- Mike

== 2 of 11 ==
Date: Thurs, Sep 9 2010 4:43 am
From: "William Sommerwerck"

Glad to hear it was so easily fixable.

If you learn any more about the source of "the brown plague", please let us
know.

== 3 of 11 ==
Date: Thurs, Sep 9 2010 5:12 am
From: Ken

Michael Kennedy wrote:
> Well I got the TV and the front glass wasn't very difficult to remove.
>
> The first thing I noticed was a brown residue on the inside of the all
> along the top vents and similar colored dust bunnies inside. I couldn't find
> any source for this.. It didn't seem to be coming from any components. I see
> no evidence of it on any of the components.
>
> When I removed the glass it was coated in this same brown residue. Even the
> apparently clear parts were quite dirty. I spent more time cleaning the
> glass than actually taking the glass out.
>
> Anyhow the only thing I can guess is that there is something that was
> brining off the actual plasma screen and the smoke residue covered
> everything else. I cant understand how else the residue would have gotten
> between the glass and the display.
>
> It has a very nice picture now and the speakers sound very good. Bass and
> treble My only complaint is the pwr relays seem to be a bit noisy.
>
> - Mike
>
>

So the glass you removed was not adhered to the plasma screen in any
way?? I guess it was simply protection for the screen?

== 4 of 11 ==
Date: Thurs, Sep 9 2010 6:31 am
From: Meat Plow

On Thu, 09 Sep 2010 20:41:36 +0900, Michael Kennedy wrote:

> Well I got the TV and the front glass wasn't very difficult to remove.
>
> The first thing I noticed was a brown residue on the inside of the all
> along the top vents and similar colored dust bunnies inside. I couldn't
> find any source for this.. It didn't seem to be coming from any
> components. I see no evidence of it on any of the components.
>
> When I removed the glass it was coated in this same brown residue. Even
> the apparently clear parts were quite dirty. I spent more time cleaning
> the glass than actually taking the glass out.
>
> Anyhow the only thing I can guess is that there is something that was
> brining off the actual plasma screen and the smoke residue covered
> everything else. I cant understand how else the residue would have
> gotten between the glass and the display.
>
> It has a very nice picture now and the speakers sound very good. Bass
> and treble My only complaint is the pwr relays seem to be a bit noisy.
>
> - Mike

Odd, oh well.

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

== 5 of 11 ==
Date: Thurs, Sep 9 2010 6:37 am
From: "N_Cook"

William Sommerwerck <grizzledgeezer@comcast.net> wrote in message
news:i6ahaa$m3e$1@news.eternal-september.org...
> Glad to hear it was so easily fixable.
>
> If you learn any more about the source of "the brown plague", please let
us
> know.
>
>

nicotine ?

== 6 of 11 ==
Date: Thurs, Sep 9 2010 8:04 am
From: "Michael Kennedy"

"Ken" <Ken@invalid.com> wrote in message
news:i6aj07$qpp$4@news.eternal-september.org...
> Michael Kennedy wrote:
>> Well I got the TV and the front glass wasn't very difficult to remove.
>>
>> The first thing I noticed was a brown residue on the inside of the all
>> along the top vents and similar colored dust bunnies inside. I couldn't
>> find
>> any source for this.. It didn't seem to be coming from any components. I
>> see
>> no evidence of it on any of the components.
>>
>> When I removed the glass it was coated in this same brown residue. Even
>> the
>> apparently clear parts were quite dirty. I spent more time cleaning the
>> glass than actually taking the glass out.
>>
>> Anyhow the only thing I can guess is that there is something that was
>> brining off the actual plasma screen and the smoke residue covered
>> everything else. I cant understand how else the residue would have gotten
>> between the glass and the display.
>>
>> It has a very nice picture now and the speakers sound very good. Bass and
>> treble My only complaint is the pwr relays seem to be a bit noisy.
>>
>> - Mike
>>
>>
>
> So the glass you removed was not adhered to the plasma screen in any way??
> I guess it was simply protection for the screen?

Yeah it just had some clips holding it in place. No adhesive of any kind.

== 7 of 11 ==
Date: Thurs, Sep 9 2010 8:06 am
From: "Michael Kennedy"

"Meat Plow" <mhywatt@yahoo.com> wrote in message
news:pan.2010.09.09.13.31.31@hahahahahahahah.nutz.I.am...
> On Thu, 09 Sep 2010 20:41:36 +0900, Michael Kennedy wrote:
>
>> Well I got the TV and the front glass wasn't very difficult to remove.
>>
>> The first thing I noticed was a brown residue on the inside of the all
>> along the top vents and similar colored dust bunnies inside. I couldn't
>> find any source for this.. It didn't seem to be coming from any
>> components. I see no evidence of it on any of the components.
>>
>> When I removed the glass it was coated in this same brown residue. Even
>> the apparently clear parts were quite dirty. I spent more time cleaning
>> the glass than actually taking the glass out.
>>
>> Anyhow the only thing I can guess is that there is something that was
>> brining off the actual plasma screen and the smoke residue covered
>> everything else. I cant understand how else the residue would have
>> gotten between the glass and the display.
>>
>> It has a very nice picture now and the speakers sound very good. Bass
>> and treble My only complaint is the pwr relays seem to be a bit noisy.
>>
>> - Mike
>
> Odd, oh well.
>

After some pondering, I believe it may have been some kind of coating on the
inside.. It had the texure of paint when touched, although it came off with
just water and gentle wiping.. ?? Go figure.. I'm just happy that It was
built how it looked like and the screen wasnt bonded to the glass.

== 8 of 11 ==
Date: Thurs, Sep 9 2010 8:12 am
From: "Michael Kennedy"

"N_Cook" <diverse@tcp.co.uk> wrote in message
news:i6anua$d7v$1@news.eternal-september.org...
> William Sommerwerck <grizzledgeezer@comcast.net> wrote in message
> news:i6ahaa$m3e$1@news.eternal-september.org...
>> Glad to hear it was so easily fixable.
>>
>> If you learn any more about the source of "the brown plague", please let
> us
>> know.
>>
>>
>
> nicotine ?
>
>

It does look like that, although It is beyond me how it could have gotten
between the panel and the front glass.
I can't smell cigarettes on the tv, but that's not proof. Inside the vents
on the top of the tv look like a large capacitor or something caught on fire
and the smoke left residue on everything. I can't find any evidence of
component damage though.

Maybe the person who owned this before was a chain smoker that kept their
windows shut. haha..

== 9 of 11 ==
Date: Thurs, Sep 9 2010 8:12 am
From: "Phil Allison"

"Meat Plow"

** Fuck off to hell you lying stinking pile of shit

== 10 of 11 ==
Date: Thurs, Sep 9 2010 9:51 am
From: Meat Plow

On Fri, 10 Sep 2010 00:12:26 +0900, Michael Kennedy wrote:

> "N_Cook" <diverse@tcp.co.uk> wrote in message
> news:i6anua$d7v$1@news.eternal-september.org...
>> William Sommerwerck <grizzledgeezer@comcast.net> wrote in message
>> news:i6ahaa$m3e$1@news.eternal-september.org...
>>> Glad to hear it was so easily fixable.
>>>
>>> If you learn any more about the source of "the brown plague", please
>>> let
>> us
>>> know.
>>>
>>>
>>>
>> nicotine ?
>>
>>
>>
> It does look like that, although It is beyond me how it could have
> gotten between the panel and the front glass.

I asked you if the owner was a smoker, you never answered. Cig smoke
would be attracted to a charged object namely a plasma screen. Smoke
can get in anything.

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

== 11 of 11 ==
Date: Thurs, Sep 9 2010 9:54 am
From: Meat Plow

On Fri, 10 Sep 2010 01:12:43 +1000, Phil Allison wrote:

> "Meat Plow"
>
>
> ** Fuck off to hell you lying stinking pile of shit

Poor wittle Philly the Faggot - Maggot. Did you gets your feewings hurtz?

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

==============================================================================
TOPIC: LORAN C
http://groups.google.com/group/sci.electronics.repair/t/73c2d1e0342e191b?hl=en
==============================================================================

== 1 of 2 ==
Date: Thurs, Sep 9 2010 6:26 am
From: Andy

On Sep 1, 3:08 am, Jeff Liebermann <je...@cruzio.com> wrote:
> On Wed, 1 Sep 2010 15:13:11 +0900, "Michael Kennedy" <mike@com> wrote:
> >This started out as a repair issue, my LORAN unit wasn't getting a signal. I
> >thought it was broken. I have been gone from the USA for 2 years and but
> >after some research I have found out that in my time gone that the
> >government has decided that we no longer need LORAN or any form of backup
> >for GPS.
>
> Yep. The US pulled the plug earlier this year:
> <http://www.navcen.uscg.gov/?pageName=loranMain>
> Also Canada, Africa, and Russia.
>
> Some European countries still have their systems running:
> <http://www.loran-europe.eu/viewpage.php?page_id=23>
> <http://www.loran-europe.eu/viewpage.php?page_id=5>
> but my guess is when Galileo is fully operational, Europe will also
> pull the plug. That may be many years with the current rate of
> funding and progress:
> <http://en.wikipedia.org/wiki/Galileo_Navigation_System>
> Meanwhile their Loran-C system is still up mostly because they want to
> rely on a US controlled GPS system.
>
> >I can only hope that we will see the LORAN system come back in some form in
> >the future. Is it just me or does it seem stupid to do away with out only
> >backup system for GPS?
>
> It depends on what you're trying to accomplish. Seen any cell phones
> with Loran-C for E911 location? Vehicle navigation systems with
> Loran-C? For many things, GPS is the only way it can be done (or done
> economically). Nobody wants a 10ft long amplified Loran antenna
> hanging off their cell phone.
>
> I don't think you'll see the Loran zombie rise from the dead.
>
> >LORAN is robust where as GPS seems qite frail in comparison. I have lost GPS
> >signals in bad weather but never LORAN, but maybe this is just my
> >observations and not a true representation of the facts.
>
> GPS has its problems, but the latest units are sufficiently sensitive
> to work even in a storm. Location is important and having your
> receiver antenna below deck may cause reception problems. Try some of
> the newer "high sensitivity" GPS receivers and see if it works any
> better. If below deck on a handheld, thing about a docking station
> and external mast mounted antenna:
> <http://en.wikipedia.org/wiki/High_Sensitivity_GPS>
>
> --
> Jeff Liebermann je...@cruzio.com
> 150 Felker St #D http://www.LearnByDestroying.com
> Santa Cruz CA 95060http://802.11junk.com
> Skype: JeffLiebermann AE6KS 831-336-2558

Andy comments:

I designed the TI Loran C for aircraft 30 yrs ago and found that
a 22 inch antenna
would deliver the same S/N ratio as a longer antenna, since the
antenna
would pick up atm. noise and signal in the same ratio, and 22 inches
was
about where the noise figure of the electronics would exceed the
atmospheric noise........ Still, a 22 inch antenna on a cell phone
would make it hard to carry in your pocket. .... so your point
is well taken.

:>))) Andy in Eureka, Texas

== 2 of 2 ==
Date: Thurs, Sep 9 2010 6:32 am
From: Andy

On Sep 1, 6:36 am, Meat Plow <mhyw...@yahoo.com> wrote:

>
> I'm sure aviation and military GPS units are as robust as loran. Consumer
> units might be helped by a better antenna.
>

Andy comments:

The only way the antenna can be "better" is to have more gain.
That
requires the antenna to be more directional. Such is not a good idea
'in GPS since one needs a hemispherical pattern, to account for
where all the satellites are.

It's true that some GPS units have a poor antenna, but that's a
matter
of cosmetics more than anything else. Many military units are
handheld
and therefore have the same problem. Any unit with a remotely
mounted antenna will perform about the same as any other unit,
whether military or commercial, since they are all designed to
have a hemispherical pattern.

Just feel like talking....

Andy in Eureka, Texas

==============================================================================
TOPIC: Custom optics an more
http://groups.google.com/group/sci.electronics.repair/t/4bb23266b2ab2be3?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, Sep 9 2010 7:19 am
From: Jim P

I recently sent some optics that needed cutting, grinding and
polishing to Florida High-Tech Optics located in Palmetto, FL. They
did an
excellent job. Price was very reasonable. Turn-around was lightning
fast.

I thought I would post here to let others know about a reliable U.S.
supplier. In addition, they received an approved supplier award in
2009 from
L3 communications /ALST in Orlando.

see below for their contact info.

http://www.flhightek.com

Regards,
Jim

==============================================================================
TOPIC: Strategic Management: Concepts and Cases, 13/E Fred David Case Solution
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me at estudyguides[at]gmail.com to buy it today.
http://groups.google.com/group/sci.electronics.repair/t/5f7788ebe823d5d5?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, Sep 9 2010 7:48 am
From: SolutionPerson

Strategic Management: Concepts and Cases, 13/E Fred David Case
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==============================================================================
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