Digest for sci.electronics.repair@googlegroups.com - 6 updates in 4 topics

Cydrome Leader <presence@MUNGEpanix.com>: Aug 27 06:58AM

> the proper grease.
> So after all that the machine still runs too slowly. At least in my
> opinion. The motor just doesn't seem to have much oomph and I'm
 
Did you mess up the timing of the motor by chance? The angle of the
brushes makes a huge difference.
 
> current and/or voltage. Since the control is PWM output would an
> analog meter like my Simpson 260 be a good tool to measure the current
> and voltage?
 
maybe? How's the motor run with no speed controller?
"pfjw@aol.com" <peterwieck33@gmail.com>: Aug 26 10:02AM -0700

Older SD cards suffered from deterioration, temperature sensitivity, moisture sensitivity, power spikes, power failure, and "simple" internal failure. Solutions include:
 
SD Monitoring software - It will check an SD, warn if there may be damage and can (sometimes) fix that damage. There are companies out there that will do the same thing if you send them the damaged card.
 
https://product.tdk.com/info/en/products/flash-storage/flash-storage/tdksmart.html One of several.
 
Shift to 'industrial' SD cards.
 
https://www.amazon.com/SanDisk-Endurance-Monitoring-Adapter-SDSDQQ-032G-G46A/dp/B00V5Q1K3O One of many options.
 
Peter Wieck
Melrose Park, PA
Mike Coon <gravity@mjcoon.plus.com>: Aug 26 09:24PM +0100

In article <3d3dkf11u4uv5vi3014ec0qku7pt9t7u18@4ax.com>,
etpm@whidbey.com says...
> on my computer?
> Thanks,
> Eric
 
You nay be able, if wished, to read full-size cards in a tablet by using
an OTG card reader quite cheaply.
 
Mike.
whit3rd <whit3rd@gmail.com>: Aug 26 06:31PM -0700

> take is a 2GB.
>...The cards have sat around for about a year and now most of the
> pictures are corrupted.
 
Age causes the charge to leak, and any 2G card is probably a decade old.
Good news: you can get a format utility from the SDcard consortium
 
<https://www.sdcard.org/downloads/formatter/>
 
and if you choose the 'overwrite' option, it completely initializes all the bits
instead of just directory twiddling.
 
The complete rewrite takes a while, of course, but it does get rid of weak bits,
and presumably that's what aging has done.
"Ron D." <ron.dozier@gmail.com>: Aug 26 12:36PM -0700

Well, you hit a sore point, The little CECB box, you can type the physical channel and the virtual channels programmed or not programmed will show up.
 
On a 55" System 6 "Smart", very dumb TV, nothing happens.
 
it can only delete-all and re-scan. That's are the brain cells it has.
 
Can it know about an antenna rotator? No.
 
You can also have for the same physical channel: Say 36
6-2
51.1
51.5
51.101
 
There was some major shifts, at least two in the Philadelphia area. I don't know if scan and add would have worked for one of them.
KenW <ken1943@invalid.net>: Aug 26 11:58AM -0600


>---
>This email has been checked for viruses by Avast antivirus software.
>https://www.avast.com/antivirus
 
I think who made the SD cards makes a big difference just like flash
drives.
 
 
KenW
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