sci.electronics.repair@googlegroups.com

Today's topics:

* Analogue meter - suspension repair - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/90fa135e0056f33b?hl=en
* Old style filament lamps? - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/8b70a4142ec9c2ec?hl=en
* Composite video from a Compaq Armada e500 to a Panasonic LCD TV TC-20LA1. -
1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/baa0f49dbfce06a9?hl=en
* Composite video from Compaq Armada e500 to Panasonic LCD TV TC-20LA1. - 1
messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/bf86e0e27f847377?hl=en
* Lead free solder - 2 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/7ff46ef49e9b7de3?hl=en
* free shipping wholesale CLOTHING jacket T-shirt long sleeve suit and hoody(
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messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/53ac239ed1e94407?hl=en
* Mexico leaded solder as bad as PbF? - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/485947f721558421?hl=en

==============================================================================
TOPIC: Analogue meter - suspension repair
http://groups.google.com/group/sci.electronics.repair/t/90fa135e0056f33b?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, May 5 2011 12:11 am
From: "N_Cook"

Shaun <spam@nomail.com> wrote in message
news:JYgwp.18468$uh5.15974@newsfe02.iad...
>
>
> "N_Cook" wrote in message news:ipmgml$5sn$1@dont-email.me...
>
> Wild_Bill <wb_wildbill@XSPAMyahoo.com> wrote in message
> news:lZxvp.82671$of7.68935@en-nntp-15.dc1.easynews.com...
> > I've never needed to repair that type of meter movement, but it sounds
as
> > though what has been described is likely to be the Taut-Band type of
meter
> > movement.
> >
> > --
> > Cheers,
> > WB
> > .............
> >
> >
> > "N_Cook" <diverse@tcp.co.uk> wrote in message
> > news:ipltei$n6j$1@dont-email.me...
> > > Anyone any experience? Coil is fine. This is almost hair-fine
> > > phosphor-bronze ribbon suspension , not hairspring and jewels. A
ribbon,
> > > top
> > > and bottom, holds the coil frame and passes current. Each ribbon is
> > > soldered
> > > to the frame then passes through a hole in the offset-rotatable anchor
,
> > > passes over the rounded edge of an open end of a U-shape of
manageable
> > > size
> > > phosphor bronze spring , and soldered along the arm of that spring.
The
> > > solder point to the frame has failed from a jar / knock. So both U
> springs
> > > are now opened to a V in comparison. I have tried solder to the end of
> the
> > > fine ribbon and the stub on the frame, both take solder fine but not
> > > joined
> > > up yet. There is enough length of fine ribbon on the broken side to
> > > resolder
> > > to the coil frame , pass thru the hole and anchor off , on its
u-spring
> > > anchor farther along than originally.
> > > But how to bring the open-U springs back to proper U before soldering
> the
> > > anchor point. A matter of making a jig to compress or some sort of
> > > external
> > > spring over them ? And of course I've not seen a functioning movement.
> I'm
> > > assuming setting up as U and then opening out a bit with the jigs
> removed,
> > > or would the jig need to compress to more than U and then open out to
U
> > > with
> > > jigs removed, normal use.
> > > Pushing down on the spring of the good end and letting the coil frame
> > > drop,
> > > with gravity, it seems to be centrally aligned over the pole piece,
> when
> > > the spring is a proper U viewed on side.
> > > Where would one find , even robbing, short lengths of such rbbon if it
> was
> > > required?
> > >
> > >
> >
>
>
> I never looked inside one but all those broken Pye/Cambridge? moving spot
> galvanometers presumably had that system. While at it anyone know what the
> suspension is in Megger insulation tester? that dead springless movement,
> jewelled without hairspring? - I've never looked insiside the meter
movement
> of one
>
>
> I used to work on meter movements from time to time. Some of the Meggers
I
> worked on had a dual coil which worked as a balance (between currents in
> each coil). One or both of the jewels had a spring under them, I remember
> putting the coil assembly carefully back into the jewels just with a pair
of
> tweezers.
>
> Shaun
>
>

2 , 3 or 4 conductor wires going to the coils frame?
2 hairsprings in opposistion ? why not no springs

==============================================================================
TOPIC: Old style filament lamps?
http://groups.google.com/group/sci.electronics.repair/t/8b70a4142ec9c2ec?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, May 5 2011 6:56 am
From: Mike Tomlinson

In article <v22ir6tkftirp75f6ipptnquot1c2p12h1@4ax.com>, Terry Pinnell
<terrypingm@DELETEgmail.com> writes

>Does anyone know where I can buy 'normal' filament lamp bulbs in the UK
>please?

Widely available at 99p for four in pound shops all over the UK.

--
Mike Tomlinson

==============================================================================
TOPIC: Composite video from a Compaq Armada e500 to a Panasonic LCD TV TC-20LA
1.
http://groups.google.com/group/sci.electronics.repair/t/baa0f49dbfce06a9?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, May 5 2011 10:39 am
From: Peter

My first post on this topic was in this group at 2011-04-07 10:42 am.
That thread is stale enough to justify a fresh one.

Two questions.
* What is the best way to connect a BK Precision 2522 scope to the
composite video output on the Compaq Armada e500? Should just
one scope channel be connected? Should the two channels be used
to display the difference between the center pin and the shield?
When both channels are connected, the difference trace is a
non-repetative blur. "Digital Storage" mode fails to catch a visible
trace.

* With one scope lead connected to the center pin of the composite
connector and the shield not connected, these traces are produced.
The first is from the BIOS display. The second is from XDM.
http://members.shaw.ca/peasthope/BiosDisplay.jpg
http://members.shaw.ca/peasthope/XdmDisplay.jpg

To recapitulate the original thread, the BIOS display is visible on
a Panasonic LCD TV. The XDM display is not; as if not syncing. Do
the scope traces indicate anything helpful?

Thanks, ... Peter E.
peasthope.at.shaw.ca

==============================================================================
TOPIC: Composite video from Compaq Armada e500 to Panasonic LCD TV TC-20LA1.
http://groups.google.com/group/sci.electronics.repair/t/bf86e0e27f847377?hl=en
==============================================================================

== 1 of 1 ==
Date: Thurs, May 5 2011 1:48 pm
From: Jeroni Paul

On 3 mayo, 23:42, Peter <peasth...@shaw.ca> wrote:
> On Apr 8, 2:33 pm, mike <spam...@gmail.com> wrote:
>
> > But it might be effective to just compare the waveform while booting
> > when it does work
> > to the wavefrom after booting when it doesn't work.
>
> There are now two photos from the screen of the storage scope on a
> server.http://members.shaw.ca/peasthope/BiosDisplay.jpgis the signal from
> the BIOS display.http://members.shaw.ca/peasthope/XdmDisplay.jpgis the signal from
> XDM.
> Just to recapitulate, the BIOS display is visible on the Panasonic TV.
> The XDM display is not; as if not syncing.  I've never checked a
> composite
> signal.  Do these photos give any ideas?
>
> By the way, I connected the scope lead to the center pin of the
> composite
> connector.  Did not connect the shield of the scope lead and did not
> connect
> the shield of the composite connector.  What is the best way to
> connect a
> scope to composite video?  In case it helps, this scope can subtract
> two signals.
>
> Thanks,                                 ... Peter E.

You must connect the shields, the waveforms on the scope are all
noise.

==============================================================================
TOPIC: Lead free solder
http://groups.google.com/group/sci.electronics.repair/t/7ff46ef49e9b7de3?hl=en
==============================================================================

== 1 of 2 ==
Date: Thurs, May 5 2011 3:16 pm
From: "Charles"

"Michael A. Terrell" wrote in message
news:vd2dnYB2rZQyRlzQnZ2dnUVZ_jydnZ2d@earthlink.com...

OK. I'll ignore you. PLONK

Bye bye.

== 2 of 2 ==
Date: Thurs, May 5 2011 3:36 pm
From: "Charles"

"Charles" wrote in message news:ipv7kp$d2d$1@dont-email.me...

"Michael A. Terrell" wrote in message
news:vd2dnYB2rZQyRlzQnZ2dnUVZ_jydnZ2d@earthlink.com...

OK. I'll ignore you. PLONK

Bye bye.

Whoops! Darn! Did it again! The international list for saying bye includes;
o Farewell - English (formal)
o Bye - English (casual)
o elalleqa - Arabic
o khodaa haafez _ persian
o aabar dekha hobey - Bengali
o Donadagohvi - Cherokee
o Hagoonea' - Navajo
o Ahoj - Czech
o Ja ne / じゃね (informal) - Japanese
o Ja mata ne / じゃまたね (formal) - Japanese
o Sayonara / さよなら (if you will not see them for a long time) - Japanese
o Auf Wiedersehen - German
o Bis dann - German
o Tschüss - German
o Ade - German
o Tschau - German
o Bis Spater (Bis Schpaater)- German
o Viszlát! - Hungarian
o Arrivederci - Italian
o Addio - Italian
o Ciao - Italian
o Buona sera - Italian
o Adieu - French [add-ee-uh] (farewell) very formal
o Au Revoir - French (aw reh-VWAH)
o À bientôt - French (see you later)(ah bee-EN-toe)
o À demain - French (see you tomorrow)(ah deh-MAN)
o Adios - Spanish
o Hejdå - Swedish
o Aloha - Hawaiian
o Le'hitraot - Hebrew
o Shalom - Hebrew
o Aavajo - Gujarati
2. 3
Punha Bhetu - Marathi
o Sampai Jumpa - Indonesian
o Adios - Spanish
o Paalam - Filipino
o Zai Jian - Chinese, Mandarin
o Zoi Geen (the "g" is pronounced like geek) - Chinese, Cantonese
o Farvel - Danish
o Namaste (same as hello) - Hindi ( this video shows you how to pronounce
namaste: http://www.youtube.com/watch?v=FXlcpjgyrOg )
o Fir Milenge (see you) - Hindi
o Alvida (Goodbye, bit formal) - Hindi
o Ayo - Papiamentu
o Rub Rakha - Punjabi
o Feri bhetaula (lit. we'll meet again) - Nepali
o Do zobaczenia (see you) - Polish
o Żegnaj - Polish
o Adeus - Portuguese
o Tchau - Portuguese
o Do svidan'ya/До Свидания (until we meet again, formal)- Russian
o Poka/Пока (pronounced pa-ka, informal) - Russian
o Do vstrechi/До Встречи (until we meet again) - Russian
o Selamat jalan - Malay
o Selamat tinggal - Malay
o Tot ziens - Dutch
o Dag - Dutch
o Doei - Dutch
o 再见 - Chinese
o Yasou (YAH-soo) - Greek
o Hwyl fawr - Welsh
o Annyeonghi Kyeseyo(if the person you're talking to isn't leaving) -
Korean
o Anyeonghi Gasyeo(if the person you're talking to is leaving) - Korean
o Näkemiin (See you) - Finnish
o Hyvästi (Farewell) - Finnish
o Hasta La Vista (see you later) - Spanish
o Adios - Spanish
o Te veo despues - Spanish
o Vale- Latin (to one person)
o Valete- Latin (to more than one person)
o La revedere - Romanian
o Veloma - Malagasy
o Sige la - Pangasinan
o Khuda Hafiz - Urdu
o zai jian - Chinese
o Ha det bra - Norwegian
o Ha det - Norwegian
o Sees - Norwegian
o Snakkes - Norwegian
o Vida parayunnu - Malayalam
o Vidaiperukiren - Tamil (very formal, in fact no one uses this)
o Ok maams - Tamil (very informal, use with mates only)
o Poitu Vaarein (Taking leave but will visit again)- Tamil (standard
fare)
o Vaarein (Will come again) - Tamil short for Poitu Vaarein
o Slan - Irish
o Aavajo - Gujarati
o Чао - Macedonian
o Doviđenja - Croatian (litteraly means "Until we see again")
o Bog - Croatian ( litteraly means "God", but can be pronounced Bok! so
it is differencianised from the word "God")
o Ćao - Croatian ( Primarily used in Coastal Croatia, because of it
location very close to Italy, where you would say "Ciao" and the
prounanciation of Ciao and Ćao are similar, if not the same)
o Mattae Sigona - Kannada (Used for meet you again sometime)
o Chao - Serbian
o Nawatha hamu wemu - Sinhalese (This means "Catch you later")
o Subha dawasak - Sinhalese (This means "Have a nice day")
o Nasvidenje - Slovene (Formal)
o Adijo - Slovene (Bye)
o Čav - Slovene (Also čao and is pronounced as italian ciao)

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http://groups.google.com/group/sci.electronics.repair/t/53ac239ed1e94407?hl=en
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== 1 of 1 ==
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==============================================================================
TOPIC: Mexico leaded solder as bad as PbF?
http://groups.google.com/group/sci.electronics.repair/t/485947f721558421?hl=en
==============================================================================

== 1 of 1 ==
Date: Fri, May 6 2011 12:15 am
From: "N_Cook"

Fender Hot Rod PR 246 probably 2005 from IC datecodes , "Made in Mexico" .
Something in excess of 20 bad solder joints. Indentation and 'cool'
soldering iron tests and lack of crystalline haze with admixture of leaded
solder indicates it is leaded solder.
But appearance is more conical than spherical. Known bad supply of
conventional solder there and then , contaminated , eg greasy, component
leads ?

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