sci.electronics.repair@googlegroups.com

Today's topics:

* Supergluing your fingers together - 3 messages, 3 authors
http://groups.google.com/group/sci.electronics.repair/t/27d3b5cbe57935fb?hl=en
* paypal payment wholesale all brand shoes( http://www.cntrade09.com/) (NIKE,
ADIDAS,LV,GUCCI,CHANEL,PRADA,POL... - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/e09e1ff0e77daa09?hl=en
* Carver PM-1.5a amp - 15 messages, 5 authors
http://groups.google.com/group/sci.electronics.repair/t/28d1658d86680092?hl=en
* 2D Florescent - 2pin/4pin. - 2 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/04b6fb3f4a74bd5a?hl=en

==============================================================================
TOPIC: Supergluing your fingers together
http://groups.google.com/group/sci.electronics.repair/t/27d3b5cbe57935fb?hl=en
==============================================================================

== 1 of 3 ==
Date: Tues, Sep 7 2010 11:41 pm
From: Jeff Liebermann

On Tue, 07 Sep 2010 18:44:48 GMT, zekfrivo@zekfrivolous.com (GregS)
wrote:

>Superglue works much better on some things when you
>use the accelerator. It comes in a separate spray bottle.

Sorta. It does seem to make a better joint, but it also really speeds
up the hardening. About 2 to 4 seconds is what I see. That may be
too fast depending on what you're doing. The accelerator is usually
Toluidine, a form of methylbenzine.
<http://en.wikipedia.org/wiki/Toluidine>
Alcohol does much the same thing, and is much cheaper and safer.

Also safer is baking soda. Just dust a little on the joint and it
hardens almost instantly.
<http://www.ipmsstockholm.org/magazine/2004/10/stuff_eng_tech_ca_glue.htm>

--
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 3 ==
Date: Wed, Sep 8 2010 3:43 am
From: Smitty Two

In article <Fuadnfb9KvdY6hvRnZ2dnUVZ_rGdnZ2d@posted.isomediainc>,
"Paul Hovnanian P.E." <paul@hovnanian.com> wrote:

> AZ Nomad wrote:
>
> > Has anybody ever found an application where superglue works well
> > except on human skin? I find the crap brittle as hell and have yet to
> > see anything glued with it last more than a few weeks before breaking.
>
> Glue tiny parts to a lathe turning plate. As long as you are just turning
> the parts with light force, they stay on. A small tap removes them.

Also good on the mill.

== 3 of 3 ==
Date: Wed, Sep 8 2010 5:51 am
From: "William Sommerwerck"

> Has anybody ever found an application where superglue works well
> except on human skin? I find the crap brittle as hell and have yet to
> see anything glued with it last more than a few weeks before breaking.

About 35 years ago I accidentally "leveraged off" the metal "pointer ring"
on a metal knob on a Pioneer product. It wouldn't stay in place by itself,
so I glued it back with superglue. It's still there.

My guess is that the fastness of the joint depends on how clean the surfaces
are, and how much glue you use. The less you use, the more likely the bond
is to survive.

==============================================================================
TOPIC: paypal payment wholesale all brand shoes( http://www.cntrade09.com/) (
NIKE,ADIDAS,LV,GUCCI,CHANEL,PRADA,POL...
http://groups.google.com/group/sci.electronics.repair/t/e09e1ff0e77daa09?hl=en
==============================================================================

== 1 of 1 ==
Date: Wed, Sep 8 2010 1:59 am
From: cntrade08

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

== 1 of 15 ==
Date: Wed, Sep 8 2010 8:24 am
From: "N_Cook"

Serious amount of damage on one ch from someone using handfulls of white
goo under the TO3 ," insulating" the pins as they were inserted through it
into the TO3 sockets, causing sparking and destruction of that socket and a
load of colateral.

Plenty of info out there
http://stomach.v2.nl/docs/Hardware/ServiceManuals/Carver%20PM-1.5a-PM1200%20
Service%20Schematics-1.pdf
eservice etc

But nowhere can I find the ,no load, quiescent draw from the mains. 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 . So far
quickly returned to 50 percent and nothing obviously overheating. Anyone
happen to know the expected draw?

== 2 of 15 ==
Date: Wed, Sep 8 2010 9:01 am
From: Meat Plow

On Wed, 08 Sep 2010 16:24:57 +0100, N_Cook wrote:

> Serious amount of damage on one ch from someone using handfulls of
> white goo under the TO3 ," insulating" the pins as they were inserted
> through it into the TO3 sockets, causing sparking and destruction of
> that socket and a load of colateral.
>
> Plenty of info out there
> http://stomach.v2.nl/docs/Hardware/ServiceManuals/Carver%20PM-1.5a-
PM1200%20
> Service%20Schematics-1.pdf
> eservice etc
>
> But nowhere can I find the ,no load, quiescent draw from the mains. 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 . So far quickly returned to 50 percent and nothing obviously
> overheating. Anyone happen to know the expected draw?

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

Rails don't like continuous sine waves. May provide some explanation to
what you are seeing. Also subject to back EMF. Wasn't my favorite amp,
lots of engineering revisions/bulletins.

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

== 3 of 15 ==
Date: Wed, Sep 8 2010 9:16 am
From: "Arfa Daily"

"N_Cook" <diverse@tcp.co.uk> wrote in message
news:i689pq$kpl$1@news.eternal-september.org...
> Serious amount of damage on one ch from someone using handfulls of white
> goo under the TO3 ," insulating" the pins as they were inserted through it
> into the TO3 sockets, causing sparking and destruction of that socket and
> a
> load of colateral.
>
> Plenty of info out there
> http://stomach.v2.nl/docs/Hardware/ServiceManuals/Carver%20PM-1.5a-PM1200%20
> Service%20Schematics-1.pdf
> eservice etc
>
> But nowhere can I find the ,no load, quiescent draw from the mains. 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 . So
> far
> quickly returned to 50 percent and nothing obviously overheating. Anyone
> happen to know the expected draw?
>
>

May not be a genuine problem that you're seeing. Like you, I always bring
suspect amps up with a variac, but on more than a few occasions, I've seen
amps that just do not like reduced supply input levels, and behave exactly
as you describe, but with no obvious signs of distress from the output
stages. If you (dare to) keep going up, suddenly, everything evens out, and
the input current returns to a more 'normal' level.

Arfa

== 4 of 15 ==
Date: Wed, Sep 8 2010 2:41 pm
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

== 5 of 15 ==
Date: Wed, Sep 8 2010 2:48 pm
From: "Phil Allison"

"Meat Plow"

>
> 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
ranny - 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.

.... Phil

== 6 of 15 ==
Date: Wed, Sep 8 2010 2:49 pm
From: "Phil Allison"

"Arfa Daily"

>
> May not be a genuine problem that you're seeing. Like you, I always bring
> suspect amps up with a variac, but on more than a few occasions, I've seen
> amps that just do not like reduced supply input levels, and behave exactly
> as you describe, but with no obvious signs of distress from the output
> stages. If you (dare to) keep going up, suddenly, everything evens out,
> and the input current returns to a more 'normal' level.

** The PM-1.5 will explode if you do this.

..... Phil

== 7 of 15 ==
Date: Wed, Sep 8 2010 3:44 pm
From: Meat Plow

On Thu, 09 Sep 2010 07:48:14 +1000, Phil Allison wrote:

> "Meat Plow"
>
>
>> 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
> ranny - 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.

Fuck off Phil

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

== 8 of 15 ==
Date: Wed, Sep 8 2010 3:55 pm
From: "Phil Allison"

"Meat Plow is a Vile Cunt "

>
>>
>>> 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.
>
> Fuck off Phil

** What a stupid, pig ignorant fucking MORON.

.... Phil

== 9 of 15 ==
Date: Wed, Sep 8 2010 4:17 pm
From: Meat Plow

On Thu, 09 Sep 2010 08:55:06 +1000, Phil Allison wrote:

> What a stupid, pig ignorant fucking MORON.

Yes you are.

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

== 10 of 15 ==
Date: Wed, Sep 8 2010 4:21 pm
From: "Phil Allison"

"Meat Plow 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 fucking IMBECILE !!

.... Phil

== 11 of 15 ==
Date: Wed, Sep 8 2010 5:19 pm
From: Meat Plow

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.

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

== 12 of 15 ==
Date: Wed, Sep 8 2010 5:37 pm
From: "Phil Allison"

"Meat Plow 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 fucking, psychotic IMBECILE !!

.... Phil

== 13 of 15 ==
Date: Wed, Sep 8 2010 6:02 pm
From: Sjouke Burry

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 :)

== 14 of 15 ==
Date: Thurs, Sep 9 2010 12:25 am
From: "N_Cook"

Arfa Daily <arfa.daily@ntlworld.com> wrote in message
news:HFOho.57769$45.6477@newsfe29.ams2...
>
>
> "N_Cook" <diverse@tcp.co.uk> wrote in message
> news:i689pq$kpl$1@news.eternal-september.org...
> > Serious amount of damage on one ch from someone using handfulls of
white
> > goo under the TO3 ," insulating" the pins as they were inserted through
it
> > into the TO3 sockets, causing sparking and destruction of that socket
and
> > a
> > load of colateral.
> >
> > Plenty of info out there
> >
http://stomach.v2.nl/docs/Hardware/ServiceManuals/Carver%20PM-1.5a-PM1200%20
> > Service%20Schematics-1.pdf
> > eservice etc
> >
> > But nowhere can I find the ,no load, quiescent draw from the mains. 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 . So
> > far
> > quickly returned to 50 percent and nothing obviously overheating. Anyone
> > happen to know the expected draw?
> >
> >
>
> May not be a genuine problem that you're seeing. Like you, I always bring
> suspect amps up with a variac, but on more than a few occasions, I've seen
> amps that just do not like reduced supply input levels, and behave exactly
> as you describe, but with no obvious signs of distress from the output
> stages. If you (dare to) keep going up, suddenly, everything evens out,
and
> the input current returns to a more 'normal' level.
>
> Arfa
>

I had to check whether I'd connected mains to one 120V primary by mistake as
it was that sort of effect but without saturation noise from the
transformer. Will return to it later today and also try engaging the triac
section as I've not got my head around the on demand draw triac instead of
good load/bad load or brownout triac

== 15 of 15 ==
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

==============================================================================
TOPIC: 2D Florescent - 2pin/4pin.
http://groups.google.com/group/sci.electronics.repair/t/04b6fb3f4a74bd5a?hl=en
==============================================================================

== 1 of 2 ==
Date: Wed, Sep 8 2010 2:20 pm
From: "hr(bob) hofmann@att.net"

On Sep 5, 9:07 am, "ian field" <gangprobing.al...@ntlworld.com> wrote:
> I have a 4 pin 2D light in the bathroom that flickers for a steadily
> increasing length of time before starting and shimmers badly when it does
> eventually start.
>
> The local electrical retailer only has 2pin types, which I assume has a
> built in starter.
>
> My question is - can I use a 2pin tube in a 4pin fitting, but not the other
> way round?
>
> Thanks.

I never heard of a 2D light. Are you referring to the bulb or the
entire fixture, what wattage, circular or straight, details are needed.

== 2 of 2 ==
Date: Wed, Sep 8 2010 2:33 pm
From: "ian field"

"hr(bob) hofmann@att.net" <hrhofmann@att.net> wrote in message
news:788bb32b-eea3-4aea-bbca-631372c43b61@z28g2000yqh.googlegroups.com...
On Sep 5, 9:07 am, "ian field" <gangprobing.al...@ntlworld.com> wrote:
> I have a 4 pin 2D light in the bathroom that flickers for a steadily
> increasing length of time before starting and shimmers badly when it does
> eventually start.
>
> The local electrical retailer only has 2pin types, which I assume has a
> built in starter.
>
> My question is - can I use a 2pin tube in a 4pin fitting, but not the
> other
> way round?
>
> Thanks.

I never heard of a 2D light. Are you referring to the bulb or the
entire fixture, what wattage, circular or straight, details are needed.

------------------------------------------

Search on ebay for 2D fluorescent tube - they've got pictures.

Having done some searches on it, I've come to the conclusion that a 2pin
tube might possibly work in a 4pin fitting as it has its own integral
starter making the one in the fitting redundant.

However, I've ordered an electronic ballast - and I'm pretty sure that won't
work with a 2pin tube.

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