Digest for sci.electronics.repair@googlegroups.com - 12 updates in 4 topics

bob prohaska <bp@www.zefox.net>: Mar 24 12:55AM

I'm faced with buying a new washing machine and very uneasy
about the electronic controls used today. Does anybody have
experience getting service information for popular brands
like LG, GE or Speed Queen? Dealers won't even talk about
service information and I couldn't find much of anything on
manufacturer's websites.
 
Thanks for reading,
 
bob prohaska
Jon Elson <elson@pico-systems.com>: Mar 23 10:12PM -0500

bob prohaska wrote:
 
> like LG, GE or Speed Queen? Dealers won't even talk about
> service information and I couldn't find much of anything on
> manufacturer's websites.
AVOID the Korean machines (LG and Samsung) at all costs. They are designed
to fall apart at less than 3 years. Parts and repair info are hard to come
by. I've got a 12 year old Kenmore that has had its share of problems, but
I have been able to keep it running with a little bit of effort.
Relays burned out on the control board, drain pumps have worn out, and I've
replaced the main bearing and seal several times. I did get hold of the
maintenance manual from a kindly service guy who was, I guess, embarrassed
that I already knew more about it than he did. It has some diagnostic
procedures you get into by holding down three buttons at once. Quite
helpful to figure out what is wrong.
 
My daughter's roommate has a Samsung that started giving the unbalanced load
error on every wash. As best as we can tell, the ball joints that support
the tub are designed to give damping friction when new, and as soon as that
friction surface wears smooth, the machine will never work again. That took
a little over a year. No service people will come out and work on it.
Some people have reported putting blankets around the tub to restore
damping.
 
Jon
"Peter W." <peterwieck33@gmail.com>: Mar 24 03:53AM -0700

It depends.
a) Purchase from a reliable dealer that either has service in-house or can show you a service agreement. Around here, that would be Best Buy, Gerhard's Appliances and several others. Not Home Depot. And if you wish to be sure, purchase the extended warranty.
b) Read the directions on set-up, loading and other niceties. They are not overly complicated, but it does help to do it correctly.
c) If the unit has a sump, clean it regularly - at least quarterly. Not cleaning the sump is what destroys drain pumps.
d) Get the features you need and will use - and NO MORE than those features. IOW, eschew needless complexity.
 
We have an LG that is now a year old, replacing a floor-model LG that went at 12 years of heavy use. And not from electronics, motors or such, but of all things rust.
At our summer house, we have a 15 year old LG that also has a bit of rust, but is still going strong otherwise. We purchased it used - see pump, below - for $75.
We went with the LG units as they use (when purchased) the least water, and require the least detergent to do a good wash. At the summer house, we have well water, and we are on a Class A natural (not stocked) trout stream, so the issue of water use and discharge quality is critical. We have never had any issues with the electronics or drive motors, I replaced one (1) pump at US$29.00. From Amazon and about an hour to install.
 
As an aside, there are You-Tube videos on about every aspect of maintaining about every sort of appliance, and about any part you might think of is readily available out there - at least in the USA - usually at reasonable costs as compared to a new unit.
 
Peter Wieck
Melrose Park, PA
Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net>: Mar 24 09:45AM -0400

Jon Elson wrote:
> Some people have reported putting blankets around the tub to restore
> damping.
 
> Jon
 
We have a front-loading LG that has been great for a decade now.
 
Bosch dishwashers, don't get me started.
 
Cheers
 
Phil Hobbs
 
--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC / Hobbs ElectroOptics
Optics, Electro-optics, Photonics, Analog Electronics
Briarcliff Manor NY 10510
 
http://electrooptical.net
http://hobbs-eo.com
Phil Allison <pallison49@gmail.com>: Mar 23 02:01PM -0700

ohg...@gmail.com wrote:
========================
>> > One does not what tot be stuck with items that never get picked up or are maybe stolen or where a dispute about ownership arises.
> > Happens.
 
> I've been doing this over 45 years,
 
** Me slightly longer. Nearly all for musicians and the like.
 
> Probably 15 years ago a guy brings in a 20" CRT TV for me to look at. Flats were what I was mostly repairing and a lot of these small CRT TVs never got picked up, repaired or otherwise. It had a smeary video but the OSC graphics were crisp and bright, so I knew it wouldn't be something easy like a CRT cathode bypass cap. But the TV was otherwise clean so I took it in and I told the guy I'd check it in a few days, and Sharpied (it's a verb) his name on the face of the tube. He wanted a receipt. I told him I don't provide them for items with a high probability of being abandoned since I had to hang on to them for at least six months. He said he wasn't going to leave it without one so I removed his name from the TV screen and headed out to his car with the TV. He was stunned, then furious and said he was going to call the dept. of consumer protection. Of course, never heard again from either.
 
----------------------------------------------------------------------
** LOL
 
I still have a Phase Linear 400-2 power amp that was abandoned in 1992.
When the owner removed it from his rack, he stole my ratchet screwdriver.
Never saw him again. The original repair bill was for $160.
Unfortunately, the front dress panel was missing, making it hard to sell.
 
I did mange to sell a Yamaha P2200 a few years back for slightly more than the repair bill.
It had belonged to a famous musician here in Sydney.
 
 
.... Phil
"dansabr...@yahoo.com" <dansabrservices@yahoo.com>: Mar 24 04:11AM -0700


> I did mange to sell a Yamaha P2200 a few years back for slightly more than the repair bill.
> It had belonged to a famous musician here in Sydney.
 
> .... Phil
 
I too had a receiver abandoned for over 1-1/2 years. I was required to keep it for a year. Finally sold it for a nice profit. 1 week later, the original owner shows up looking for it. Told him it was sold. Got angry and indicated the police would soon be at my door. Told him to check with a lawyer first so it wouldn't cost him too much and never saw him again...
"ohg...@gmail.com" <ohger1s@gmail.com>: Mar 24 04:57AM -0700

> > It had belonged to a famous musician here in Sydney.
 
> > .... Phil
> I too had a receiver abandoned for over 1-1/2 years. I was required to keep it for a year. Finally sold it for a nice profit. 1 week later, the original owner shows up looking for it. Told him it was sold. Got angry and indicated the police would soon be at my door. Told him to check with a lawyer first so it wouldn't cost him too much and never saw him again...
 
Hmm.. back in the 80s, I repaired a very nice high end cassette recorder (Teac?), and it sat for over a year. I brought it home and installed it in my system to make cassettes for my cars. 6 months later the guy shows up and wanted to pick it up. I told him sure, it was $x and I'd get it out of storage when he paid for it. He said he'd be back Monday with the money. Never saw him again. I'm positive his plan was to sue for the cost of the deck if I disposed of it.
Fox's Mercantile <jdangus@att.net>: Mar 23 09:22PM -0500

On 3/23/21 6:22 PM, Unlisted wrote:
> I have a FM OMNI antenna hooked to a 30 watt fm transmitter. The antenna
> is rated at 50 watts max. What would happen if i ran a 60 watt
> transmitter thru it? Or 100 watts? Will the antenna melt or what?
 
Two things limit the power handling capability of an antenna.
The RF current abilities of any coils of wire, and the RF voltage
breakdown rating of any insulation.
 
As to whether or not it would put up with 60 or 100 watts, that's
entirely dependent on how well (over designed) that antenna was
made.
 
 
 
--
"I am a river to my people."
Jeff-1.0
WA6FWi
http:foxsmercantile.com
Phil Allison <pallison49@gmail.com>: Mar 23 09:31PM -0700

Fox's Mercantile wrote:
 
---------------------------------------
 
> Two things limit the power handling capability of an antenna.
> The RF current abilities of any coils of wire, and the RF voltage
> breakdown rating of any insulation.
 
** Ain't it more likely to be a user safety issue ?
 
50 watts at 50 ohms = 50V rms .
 
 
 
..... Phil
John Robertson <spam@flippers.com>: Mar 23 10:40PM -0700

On 2021/03/23 9:31 p.m., Phil Allison wrote:
 
> ..... Phil
 
Might be hard on the pigeons...
 
John ;-#)#
Mike Coon <gravity@mjcoon.plus.com>: Mar 24 10:04AM

In article <e9ydnepOVOCJTMf9nZ2dnUU7-SmdnZ2d@giganews.com>,
spam@flippers.com says...
 
> > ..... Phil
 
> Might be hard on the pigeons...
 
> John ;-#)#
 
But then pigeon shit on the antenna might lead to discovering Cosmic
microwave background radiation
https://en.wikipedia.org/wiki/Cosmic_microwave_background ...
Unlisted <unlisted@nomail.com>: Mar 23 06:22PM -0500

I have a FM OMNI antenna hooked to a 30 watt fm transmitter. The antenna
is rated at 50 watts max. What would happen if i ran a 60 watt
transmitter thru it? Or 100 watts? Will the antenna melt or what?
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