Digest for sci.electronics.repair@googlegroups.com - 25 updates in 9 topics

ohger1s@gmail.com: Feb 22 09:39AM -0800

On Wednesday, February 22, 2017 at 11:27:49 AM UTC-5, R2D4 wrote:
> model that will last. This definitely isn't like the blanket I had
> while growing up 25 years ago; that one lasted for 15 years with no
> issues.
 
Same here. My wife and I have used the dual control Sunbeams, and they do indeed get weaker over time. I'm kicking myself for not taking a resistance check of the wiring part when new and comparing to the old. The problem is that the new blanket uses a different connector than the prev gen, so swapping the controller can't be used as a diagnosis tool.
 
Our Sunbeams normally lasted a few seasons getting weaker each year. Adding a second comforter on top of the regular bedspread is a good way to trap heat.
 
This year we bought a dual control heated mattress pad instead of the blanket and I'm sure it'll suffer the same fate. I no longer put it on anything above 4 (out of 10) and never use the admittedly handy preheat feature because it also runs the blanket or pad at 10 for half an hour before dropping to the preset temp. In any case, manually preheating at 4 and dropping it to L when I get in bed is enough to take the chill out of the sheets. I'm hoping that not using the automatic preheat and adding another comforter on top will extend the life. Time will tell I guess.
 
When this one craps out/gets too weak I'll do a post mortem, but I suspect it uses resistance wire which changes resistance over time. If the problem is that, then there's no fixing it.
Steve & Lynn <cheryl@must.die>: Feb 22 05:54PM

On 02/22/2017 04:27 PM, R2D4 wrote:
> isn't found for the above, I'd appreciate recommendations for a brand/
> model that will last. This definitely isn't like the blanket I had
> while growing up 25 years ago; that one lasted for 15 years with no issues.
 
DID YOU KNOW THAT SITRE MAGANA LIKES TO PLAY WITH HIS OWN SHIT?
micky <NONONOmisc07@bigfoot.com>: Feb 22 08:58PM -0500

In sci.electronics.repair, on Wed, 22 Feb 2017 11:27:45 -0500, R2D4
>model that will last. This definitely isn't like the blanket I had
>while growing up 25 years ago; that one lasted for 15 years with no
>issues.
 
This might be a good excuse to buy a kill-o-watt meter.
 
Also you could use a regular ohm or volt meter clipped to a hat pin --
well I guess it's hard to find a hat pin, but you couldl use a corsage
pin == with a nice enlarged head and I think you could puncture the
insulatio at various places along the route until you find a spot where
it's not proportional. I don't this would cause any visible harm or
any danger. (once you take out the pin, that is.) Then you could cut
into the blanket and figure out what's going on. Or maybe, the litle
devils is in the control box. Might be even easer to debug and disarm.
 
When I first started on electrical repairs, not counting the Lionel
train, it was the family's '52 Hudson. The battery was dead every
morning. All I had for test equipemnt was an AC cord, a socket, a 40
watt lighbulb, and an icepick. But it was enough.
Steve & Lynn <cheryl@must.die>: Feb 22 05:56PM

> ugly words "made in China" on them.....
 
> Ah Hell, I'll replace them, but I know they wont go in the trash. Maybe
> there is some form of art that can be made from them....
 
YOU WANT TO KNOW PAINFUL? PAINFUL IS WHEN SITRE MAGANA COULDN'T GET WHAT
HE WANTED TO HE WENT HOME AND CUT HIS PET HAMSTER TO PIECES WITH A PAIR
OF SCISSORS.
micky <NONONOmisc07@bigfoot.com>: Feb 22 08:47PM -0500

I have one of thoe little 2.5" LED flashlights, that have 9 small LEDs
and use 3 AAA batteries. It's like the ones that Harbor Freight
sometimes gives away free, same size, but nicer.
 
The guy I bought the first one from said it would run for days on one
set of batteries, but I forgot that it was still on and i put it in my
pocket and an hour or two later, I noticed it was on because it was
warm.
 
It's still really bright, but if it's noticeably warm, how long can the
baterries really last? Certainly not two days. ?
 
 
I once, recently, forgot the screen was lit on my 5.5" smart phone and
only noticed because it felt warm in my pocket.
 
It's got a proximity sensor but I don't remember what it's supposed to
do.
Steve & Lynn <cheryl@must.die>: Feb 22 05:55PM

On 02/23/2017 01:47 AM, micky wrote:
> only noticed because it felt warm in my pocket.
 
> It's got a proximity sensor but I don't remember what it's supposed to
> do.
 
YEAH, WELL I HAD MY LED LIGHT BULB IN MY KITCHEN HOOD ON ALL DAY AND IT
WAS TOO HOT TO TOUCH SO WHAT'S YOUR POINT?
micky <NONONOmisc07@bigfoot.com>: Feb 22 08:41PM -0500

Years ago, I was told not to play my stereo with no speakers, for fear
of somethun' or other. Of course that was 1968, a good year for audio.
 
Is this still an issue with current electronics, like audio amplifiers
and burglar alarm amplifiers?
 
Now I have a home burglar alarm that might be in the alarm status. I
can't tell because I disconnected part of it, until I can find out how
to disarm it.
 
I have two horns and a siren driving amplifier board, so that they're
louder than the mere alarm control panel can provide. I have a glass
fuse in the line to each speaker.
 
So if I take the fuse out but the siren driver is still functioning, do
I risk burning it out? Even if it's like this for say, 20 hours?
 
Or can it go like this with no harm to itself?
 
What if I disconnect the siren driver from the control panel? They're
separate boards. Do I risk burning out the output of the alarm control
panel, if say it is run. again, 20 hours?
 
Or can it go like this with no harm to itself?
 
 
Those are the questions. The rest here is just a narrative, soon to be a
major motion picture.
 
20 hours is how long I need to look into it, sleep, and then contact my
friend who runs an alarm business. But I'd really like to do as much as
possible on my own. He's constantly doing favors for me and a couple
days ago he wanted to send over his technician to finish the
installation for me. I can offer to pay; i can insist on paying, but I
know he won't let me, and, trust my judgment, he probably wants the
kavod of helping me more than he wants the money. Plus my own ego is
involved in wanting to do it myself...., so I really shouldn't be asking
you any questions either. But it's different. None of you are coming to
my house to do it.
 
The reason it's running is that I tried the original default master
code, several times, and it didn't work. It wouldn't arm the system,
but I wanted to hear if the siren worked (this system has never been
tested before) and soon I got the bright idea to arm it another way.
there is an Away button which when pushed for 2 seconds arms it without
the code. Well the siren works, as well as it did when I had my
previous system installed (designed and installed by me, but it burned
out after 15 years. Lightning?) but I didn't look far enough ahead to
realize still didn't have a code that worked and I have no way to turn
it off.
 
Well, I unplugged it, and the battery hasn't been charged in 9 years, so
that turned it off, but I need to work on it and the moment I plugged it
in again, it armed itself.
avagadro7@gmail.com: Feb 22 10:34AM -0800

http://www.online-sciences.com/wp-content/uploads/2015/04/periscope-88.jpeg
avagadro7@gmail.com: Feb 22 10:40AM -0800

On Sunday, February 12, 2017 at 1:27:21 PM UTC-5, Stijn De Jong wrote:
> http://i.cubeupload.com/Q9zsF5.jpg
 
> Why people in vans even think to attempt a crossing is beyond me.
> http://i.cubeupload.com/HPg6Xo.jpg
 
the SAF runs thru the lakes on the east side
avagadro7@gmail.com: Feb 22 10:41AM -0800

On Sunday, February 12, 2017 at 1:27:21 PM UTC-5, Stijn De Jong wrote:
> http://i.cubeupload.com/Q9zsF5.jpg
 
> Why people in vans even think to attempt a crossing is beyond me.
> http://i.cubeupload.com/HPg6Xo.jpg
 
my truck doors slammed shut when I opened the van photo
avagadro7@gmail.com: Feb 22 11:35AM -0800

AE6KS 831-336-2558
 
pleased your ground held !
 
I dug a hole for my in hillside therml sink house
 
went to Jersey for some stuff
 
n a tornado hopped over the hill n into the foundation hopped out n proceeded to hop hop hop down the street
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
Sep 25, 2016 OLD FAITHFUL-LOWER STA Sale
 
 
 
09/19/2016 Chevron 0202401 Yuma Az
 
https://waterdata.usgs.gov/ca/nwis/dv/?site_no=11160500&agency_cd=USGS&referred_module=sw
avagadro7@gmail.com: Feb 22 04:15PM -0800


> Sep 25, 2016 OLD FAITHFUL-LOWER STA Sale
 
> 09/19/2016 Chevron 0202401 Yuma Az
 
> https://waterdata.usgs.gov/ca/nwis/dv/?site_no=11160500&agency_cd=USGS&referred_module=sw
 
goo.gl/F5eq39
 
excellent McD down the street.
 
the ridge beyond is the desert to the right the Desierto
 
goo.gl/dyhcMS
 
to the left Yuma Pro BLAM BLAM ving ground n the dam feeding the California Aquifer.
 
and the Mohawk Canal !
 
The Colorado
 
http://www.californiaherps.com/frogs/habitats/coloradoriver9062.jpg
 
a place to start from
krw@notreal.com: Feb 22 01:00PM -0500

>the eBay link is. With Aliexpress communications is often not very
>useful as I don't get answers that show an understanding of my question.
> I've just never gotten a warm fuzzy feeling from Amazon.
 
Amazon has a place to ask quesitons. Usually they're answered by
other purchasers but some sellers (and even manufacturers) use it as a
suport channel. I make two or three Amazon orders a month but haven't
bought from eBay for five or six years (and never AliEx).
n
Michael Black <et472@ncf.ca>: Feb 22 02:13PM -0500

oldschool@tubes.com: Feb 22 01:37PM -0600

On Wed, 22 Feb 2017 04:20:07 +1100, Clifford Heath <no.spam@please.net>
wrote:
 
>You're wrong to discount Aliexpress. You get access to thousands of
>vendors (same as EBay) but none of them see your credit card, and
>until you approve of the product *as delivered*, they don't get your
 
Is this Aliexpress a company in China, or do they just sell China goods?
root <NoEMail@home.org>: Feb 22 07:48PM

>>vendors (same as EBay) but none of them see your credit card, and
>>until you approve of the product *as delivered*, they don't get your
 
> Is this Aliexpress a company in China, or do they just sell China goods?
 
AliExpress is Chinese.
AliExpress is the consumer outlet for AliBaba, the huge Chinese company.
avagadro7@gmail.com: Feb 22 12:03PM -0800

www.allelectronics.com/
 
Allied
"Carl Ijames" <carl.ijamesXyZZy@ZZxyz.verizon.net>: Feb 22 04:16PM -0500

wrote in message news:r6krachkdbvmtinihs9njklrafkaofdcl8@4ax.com...
 
>the eBay link is. With Aliexpress communications is often not very
>useful as I don't get answers that show an understanding of my question.
> I've just never gotten a warm fuzzy feeling from Amazon.
 
Amazon has a place to ask quesitons. Usually they're answered by
other purchasers but some sellers (and even manufacturers) use it as a
suport channel. I make two or three Amazon orders a month but haven't
bought from eBay for five or six years (and never AliEx).
n
=======================================================================
 
On Amazon once an item has been ordered and shipped, but not yet delivered,
hit the orders button to view your orders, then the "get help with order"
button. In at least one of the choices in there you can contact the seller
directly, but you will have to drill down a bit. Before shipment and after
delivery the get help button isn't there, but I think you can use the
request return button to contact the seller. I asked the seller of a little
power supply I bought for a schematic, and they sent me a hand drawn sketch
of the connections which just duplicated what was printed on the pcb anyway,
sigh. But I at least was able to make contact :-).
 
-----
Regards,
Carl Ijames
Clifford Heath <no.spam@please.net>: Feb 23 08:40AM +1100

On 23/02/17 00:33, Tom Gardner wrote:
> Later MS refused to sell me Win7, so clearly they don't
> want my custom.
 
MS doesn't have customers. They have hostages.
MJC <gravity@mjcoon.plus.com>: Feb 22 09:56PM

In article <58ae0515$0$32599$b1db1813$19ace300@news.astraweb.com>,
no.spam@please.net says...
> > Later MS refused to sell me Win7, so clearly they don't
> > want my custom.
 
> MS doesn't have customers. They have hostages.
 
Hence the phrase "hostage to fortune"!
 
Mike.
rickman <gnuarm@gmail.com>: Feb 22 05:09PM -0500

On 2/22/2017 4:16 PM, Carl Ijames wrote:
> power supply I bought for a schematic, and they sent me a hand drawn sketch
> of the connections which just duplicated what was printed on the pcb anyway,
> sigh. But I at least was able to make contact :-).
 
With eBay you can have the same lame conversation with the seller
*before* the purchase. I don't consider getting questions answered by
other buyers to be the proper way to get help. But then you can
converse with other buyers who may not have all good to say about the item.
 
I will say I bought an Amazon branded shredder once which was the lowest
price I could find for a unit of that capability with free shipping as
well. The unit works great and I have no complaints which is rare with
me.
 
I'm just not comfortable with buying from unknown quantities on Amazon.
The few times I did it I wasn't happy and I'm not comfortable with the
overall process. If I can't contact the seller, why should I buy
anything from them?
 
--
 
Rick C
Ralph Mowery <rmowery28146@earthlink.net>: Feb 22 05:50PM -0500

In article <o8l23h$2u0$1@dont-email.me>, gnuarm@gmail.com says...
> The few times I did it I wasn't happy and I'm not comfortable with the
> overall process. If I can't contact the seller, why should I buy
> anything from them?
 
 
Most of the new things of any big price I order from any place is
something I already know about. I have orderd from ebay from China many
items less than $ 25 and have been satified.
 
I have ordered some items off ebay that I look on Youtube to see if
anyone has done a review on them. Good thing about ebay is you can look
at a venders feedback and if they have done lots of business and have a
rating of around 99 or beter then I feel good about them.
 
The way I see it, Amazon has ratings on the products but not on the
outside venders.I ordered a book from one of the Amazon venders and did
not get in about 3 weeks I tried 2 times to send them an email and did
not get a response. Went to Amazons problem page and got credited in
less than a week by them.
ggherold@gmail.com: Feb 22 12:47PM -0800

On Tuesday, February 21, 2017 at 1:18:18 PM UTC-5, Ralph Mowery wrote:
 
> YOu did not say what MHz yours is, but there are plenty of hacks on
> youtube to upgrade them.
 
> https://www.youtube.com/watch?v=DM3VU0FG_7Q
 
Right, I saw the same hack on Dave's EEVblog. I never bothered,
I've got faster 'scopes at work if I need one.
 
George H.
Steve Kraus <screen@DELETETHISfilmteknik.com>: Feb 22 01:41PM -0600

"pfjw@aol.com" <pfjw@aol.com> wrote in
> This is a cartridge motor with the gear-train included.
 
So that *is* a sync motor?
 
I need to go to Goodwill or someplace and find a sync motor clock with a
second hand and see how much variation it has (no switch mechanism friction
to overcome) against an accurate reference like an NTP server as that would
tell me how the power line is varying these days. That may be part of it.
Michael Black <et472@ncf.ca>: Feb 22 02:15PM -0500

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