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tech / sci.electronics.repair / latest

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 28 Minutes ago by: Peter W.

133 posts, so far, for no discernably new, useful or effective information other than uninspired navel gazing. Not quite a record given all this originated with Jimmy Neutron. The lesson remains: Please do not feed the trolls. Peter Wieck

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 23 Hours 48 Minutes ago by: Andy Burnelli

Can interfacing a smartphone to Windows get any better than this? <https://i.postimg.cc/BvJdKWzt/webdav06.jpg> Today I solved _all_ the problems I had run into, thanks to the advice from other helpful intelligent people such as Andy Burn

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 1 Day ago by: Andy Burnelli

SOLVED! Thank you for that purposefully helpful kind & astute suggestion! <https://i.postimg.cc/BvJdKWzt/webdav06.jpg> Both sdcards mounted Following up on your excellent advice, I mounted the entire internal sdcard over Wi-Fi as Wind

Re: Yamaha outboard motor; 9.9 HP/ 7.3 kW, T9.9EXHP, 6G8 UL 784628, (thread)

sci.electronics.repair

Posted: 2 Days 2 Hours ago by: Ken

I don't know that much about outboard motors and I support what Peter W. said. I do however have a story to tell about my 9.9 and since it had similar symptoms to yours, what was finally the solution. I could start the outboard and it

Re: Yamaha outboard motor; 9.9 HP/ 7.3 kW, T9.9EXHP, 6G8 UL 784628, 1991. (thread)

sci.electronics.repair

Posted: 2 Days 4 Hours ago by: Peter W.

Capacitive Discharge Ignition - Hotter, but shorter spark than a standard inductive system. If you can get to the coil, check that for cracks or visible damage. In my experience (limited), 90% of heat-related ignition faults are typical

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 2 Days 4 Hours ago by: Phil Hobbs

<https://smarttweezers.ca>. The ones I have aren't currently in production, which is unsurprising since I bought them 2010ish. Super useful. Cheers Phil Hobbs

Yamaha outboard motor; 9.9 HP/ 7.3 kW, T9.9EXHP, 6G8 UL 784628, 1991.

sci.electronics.repair

Posted: 2 Days 4 Hours ago by: peter

Yamaha outboard motor (9.9 HP/ 7.3 kW, T9.9EXHP, 6G8 UL 784628, 1991) starts immediately and runs well when cold. When warm, misfires are evident. If stopped, deliberately or by the misfiring, after running for about 20+ minutes, t

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 2 Days 7 Hours ago by: amdx

Ditto on the DE-5000, I have one and like it. You can also get the tweezers for the DE-5000. Mikek

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 2 Days 17 Hours ago by: Trevor Wilson

**Like these? https://au.banggood.com/DT71-Digital-Mini-Tweezers-SMD-Tester-Portable-LCR-Meter-Diode-Resistor-Capacitor-Multimeter-Frequency-Signal-Generator-p-1856513.html?rmmds=myorder&cur_warehouse=CN

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 2 Days 19 Hours ago by: Andy Burnelli

Has anyone here used WebDav to mount Android onto Windows as a drive over Wi-Fi? If so, can _you_ see your Android external sdcard from Windows over Wi-Fi? I can't. I can see _everything_ else (including the root filesystem!) but not th

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 2 Days 21 Hours ago by: Phil Hobbs

I have a pair of Smart Tweezers from some outfit in Canada that wasn't called Syborg when I bought them. The ones I have are about 10 years old and cost around $400. They're beautiful and work very well--100 Hz, 1 kHz, 10 kHz measure

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 2 Days 22 Hours ago by: Andy Burnelli

For the record, for anyone attempting to reset the Android Advertising ID from Windows, Android 11 and below would reset the id to a GUID, or globally unique ID, (similar to what Windows 95 CoCreateGUID created, according to Mayayana's k

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 5 Days 17 Hours ago by: Trevor Wilson

**Possibly. They're in stock in Europe: https://www.peakelec.co.uk/acatalog/dca75-dca-pro-semiconductor-analyser.html https://www.peakelec.co.uk/acatalog/esr70-capacitor-esr-meter.html

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 5 Days 18 Hours ago by: wmartin

Looks like they are "phantom-ware" at the moment, neither instrument is in stock or even back-order able! Another supply chain casualty I suppose.

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 6 Days 13 Hours ago by: Clifford Heath

I built one of those, and it's fun, but the DE-5000 is quite a lot better. It gives you more choice of measurement frequencies and can support a wider impedance range. Find it on EBay. Peak make nice things. I have one of their 3-termi

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 6 Days 15 Hours ago by: Trevor Wilson

**Of course: https://www.digikey.com/en/products/detail/peak-electronic-design-limited/ESR70/9687220 I also have one of these: https://www.digikey.com/en/products/detail/peak-electronic-design-limited/DCA75/9687216 Even more impressiv

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 6 Days 18 Hours ago by: wmartin

Noted. Thank you.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 6 Days 18 Hours ago by: nospam

that's the point. some do, however, it's a parameter that is not particularly important for cars. it's also not something that's measured by carbon pile load testers. <https://www.cadex.com/products/spectro-ca-12-battery-rapid-tester>

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 6 Days 19 Hours ago by: sms

Testing the resistance and conductance can tell you if the battery is bad. But that can't tell you what the reserve capacity is.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 6 Days 19 Hours ago by: Jeff Liebermann

I found the docs to the load tester the my mechanic uses. It's a Sun VAT-40: <http://www.learnbydestroying.com/jeffl/Sun%20VAT-40/> <https://www.google.com/search?q=sun+vat-40&tbm=isch> Besides the battery, it also tests the alternator

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 6 Days 19 Hours ago by: John Robertson

There is always the Bob Parker design that we sell here in Canada... https://flippers.com/catalog_oc/blue-esr-meter-kit-p-2.html John :-#)#

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 6 Days 20 Hours ago by: wmartin

Thanks, that's interesting. I see they have other gear, will have look at those. Anyone selling in USA? Bill

Re: LCR/ESR meter (thread)

sci.electronics.repair

Posted: 6 Days 21 Hours ago by: Trevor Wilson

**I use one of these: https://www.peakelec.co.uk/acatalog/esr70-capacitor-esr-meter.html Works extremely well, though there are cheaper options.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 6 Days 23 Hours ago by: Andy Burnelli

Today I wrote a tutorial which shows an _easy_ way to install even hundreds of apps from Windows to Android over Wi-Fi using the command line. Tutorial: *Working examples using Android/Windows adb over Wi-Fi* The documentation below is

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

sci.electronics.repair

Posted: 7 Days ago by: Jeff Liebermann

I listed the manufacturer in the my posting. However, I didn't include the model number because it is not the latest: <http://www.westmountainradio.com/cba.php> I have a CBA-II. <http://www.learnbydestroying.com/jeffl/NiMH/cba-II.jp

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 7 Days 3 Hours ago by: Three Jeeps

Whoops - Previous message got accidently sent before It was completed. Is the battery discharge tester you have home brew or COTS? I've been tempted to build my own but other things seem to push it lower on the stack. Back in the day, I

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 7 Days 16 Hours ago by: sms

In the olden days they used a high-wattage/low-ohm resistor, like 0.5 ohms at 300 watts to cause the battery to put out about 25 amps (though as the voltage fell the current fell slightly). You time how long the battery takes to fall t

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 8 Days ago by: nospam

they might not disappear, but it does mean that those mechanics do not have modern tools. there's also old-school think that's resistant (no pun intended) to change.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 8 Days 2 Hours ago by: Jeff Liebermann

The mechanic who works on my 2001 Subaru has one with a carbon pile load. I know because I've repaired it a few times. Several of the auto shops that I frequent also have ancient chargers. Sorry to report, but the old stuff doesn't ju

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 8 Days 4 Hours ago by: nospam

then it wasn't 'brutal voltage'. if it was, the battery would have been destroyed long before that. as you've been told by numerous people, a fast charger is high *current*, not high voltage, and stops when the voltage reaches a thresho

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 8 Days 4 Hours ago by: nospam

they did, except that those are now obsolete. nope. modern testers do not get warm, let alone hot. they perform an instantaneous check which measures cold cranking amps (cca), internal resistance, health (soh), state of charge (soc)

LCR/ESR meter

sci.electronics.repair

Posted: 8 Days 4 Hours ago by: wmartin

Just a quick request: Anyone have experience with "Smart Tweezers" from Syborg Systems line of ESR meters? Looking for something basic to check components. Thanks, Bill

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

sci.electronics.repair

Posted: 8 Days 4 Hours ago by: Jeff Liebermann

Well, you know the approximate voltage. Instead of about 14V, the charger was delivering about 20V. You also know the current that was being drawn, which should appear on the ammeter on the charger. My guess would be 10 to 30 amps.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 8 Days 7 Hours ago by: Carlos E.R.

Well, it was not "momentary", the thing was connected for something like a quarter an hour. I'm sure that the charger had a rate limiter, though. The problem was that the "mechanic" was not sufficiently familiar with the thing. She sh

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 9 Days 2 Hours ago by: ohg...@gmail.com

I have zero experience with hot melt glue on batteries, and my comment isn't about using hot glue in this way, but my experience with hot glue is that most of the time, hot glue failure is due to improper heating. What I do is to prehea

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

sci.electronics.repair

Posted: 9 Days 6 Hours ago by: Jeff Liebermann

Thanks. I listed only a small number of those claiming to repair, restore, rejuvenate or resurrect batteries. Seems to be a popular occupation in 3rd world countries. Most of the videos seems to be from Pakistan, India, Sri Lanka and

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 9 Days 6 Hours ago by: ohg...@gmail.com

Those vids are great. Proves the old adage that where there's a will there's a way.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 9 Days 17 Hours ago by: Jeff Liebermann

I didn't mention anything about whether "zapping" worked. I was just trying to distinguish between *MOMENTARY* zapping and applying a *brutal voltage* to the battery. Momentary might work, but continuous overcharging is guaranteed to

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 10 Days 6 Hours ago by: sms

That's the theory anyway. There are a bunch of chargers out there that will zap the battery with high-voltage/low-current pulses in an effort remove some sulfation. There's little evidence that this does much of anything. I experiment

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 10 Days 19 Hours ago by: Jeff Liebermann

(...) A bit more. Most of todays "lead acid" batteries are really lead calcium batteries. They're mostly the same but with some subtle differences: "Difference Between Lead Acid and Calcium Batteries" <https://www.differencebetween.co

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 10 Days 20 Hours ago by: Jeff Liebermann

Nope. Applying momentary high voltage to a lead-acid battery is one way to break up the layer of lead sulfide that has coated the plates because the battery sat around too long in a discharged state. Momentarily "zapping" the battery do

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 11 Days 4 Hours ago by: ohg...@gmail.com

Most of those old-school big honking garage chargers are not regulated at all. Just a big honking multi-tap transformer and a big honking rectifier on a big honking heat sink. Small consumer chargers and float chargers can be regulated

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 11 Days 5 Hours ago by: nospam

yep, it's completely wrong. that is not the reality. lead acid battery chargers regulate the *current*, at least for the initial bulk charge phase. actually, it's very common to go above 15v as part of a restoration cycle (see link

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 11 Days 5 Hours ago by: nospam

yes. the above description is correct. some people do disconnect the battery, usually because it's easier to charge it indoors where there are mains outlets, however, that's optional and has nothing to do with what you describe. th

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 5 Hours ago by: sms

That is untrue. If anything increasing the voltage decreases the current. But the reality is that the voltage on battery chargers is regulated so it does not exceed the maximum safe voltage. For charging lead-acid batteries you'd be ha

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 11 Hours ago by: Carlos E.R.

No. This is charging the battery, not starting the car. When the battery is sufficiently charged, the battery is connected back to the car, and you try to start it. Second. To increase the amps going to the battery, you have to incre

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 11 Hours ago by: Carlos E.R.

Plonk

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 18 Hours ago by: Bob F

So, what you seem to be saying is that you managed to find some clown with bad theory and a huge power supply that you then let destroy the electronics on your car. Quite a reference! It's a good thing nobody else fell for this scam.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 20 Hours ago by: sms

Ah, your confusion is that "Boost" doesn't increase the voltage being used, it increases the current to a level great enough to start the vehicle even when there is a dead battery loading down the electrical system. See <https://www.am

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 21 Hours ago by: Lewis

That is AMPS that are boosted, you numpty moron, not volts. Translation: Battery chargers for charging free electrolyte (WET) batteries with 12/24 V voltage, protection against overloads and inversions of polarity. Equipped with an a

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 21 Hours ago by: Lewis

You are a moron who has no idea what you saw, or is simply making shit up. And you got the details wrong. Not a chance in hell. I've seen a lead-acid battery pop its acid when the wrong voltage charger was used, back in the days whe

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 11 Days 21 Hours ago by: nospam

those modes are high *current*. <https://www.telwin.com/en/prodotti/index.html?id€7546&lingua=E> <https://www.nonpaints.com/en/telwin-alpine-20-boost-portable-electric-b attery-charger-12-and-24-volt-18-amp-300-watt> € Charging cu

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 21 Hours ago by: Lewis

No you are not. You are an ignorant fool.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 21 Hours ago by: Lewis

Do you also have a picture of a stack of books to "prove" it? You are so entirely STUPIDLY wrong it's not even funny.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 21 Hours ago by: Carlos E.R.

Nope. Just 12 volt battery, huge garage charger with a setting on "boost" or "super boost" mode. Something like this, but I don't see documentation on the site: <https://suministrosorozco.com/epages/2efc024d-9b23-4ccc-92e1-bcfa345cea70

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 11 Days 23 Hours ago by: nospam

exactly

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 11 Days 23 Hours ago by: nospam

apparently the only one, since such a device cannot possibly work. applying 20-30v to a 12v lead acid battery is a *really* bad idea. it doesn't matter when it was. all it takes is to find a device that charges 12v lead acid batterie

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 11 Days 23 Hours ago by: sms

I don't know where that repair shop would have found such a battery charger unless they were using a 24V charger on a 12V battery. Trying to charge a nominal 12V battery at 30 volts would have unexpected consequences. The battery is

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 12 Days ago by: Carlos E.R.

I am a witness. Nope. It was over a decade ago. Take my word for it, then you waste your time and find the information. I did that research at the time. What you get is my recollection. You will not find current information because i

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 12 Days 1 Hour ago by: nospam

that's not how citations work. you can't cite yourself. what you describe is not how lead acid batteries are charged. take a photo of the charger and/or find one or more links describing it. again, take a photo of the charger and/or

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 12 Days 2 Hours ago by: Carlos E.R.

Cite me. I saw it. I am the source. Nope. Volts. Several electronic devices in my car were destroyed.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 12 Days 3 Hours ago by: nospam

that's not a citation, nor did you see that. what you saw was a 20-30 *amp* charger. not volts. 20-30 volts (3.3-5v/cell) would destroy a 12v lead acid battery, also risking explosion, potentially destroying quite a bit more. feel fr

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 12 Days 3 Hours ago by: Carlos E.R.

I saw it personally.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 12 Days 5 Hours ago by: Andy Burnelli

I learn more about computers by breaking the rules than by following them. 1. It's (only?) GSF apps that are gone after upgrading Android 11 to 12 2. It may be due to the fact I changed the supposedly permanent GSF ID 3. Luckily Nova know

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 12 Days 5 Hours ago by: Andy Burnelli

UPDATE Since I've tentatively concluded, much to my chagrin, that Android did, indeed, completely wipe out _hundreds_ of apps (zoom among them), perhaps because they were GSF apps which didn't like that I changed the supposedly permane

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 12 Days 8 Hours ago by: nospam

where have you heard that? citations required. what is the make/model of this mythical charger? it can be. fast charging is harsher on the battery than slow charging, but sometimes it's needed in an emergency. it should not be used

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 12 Days 10 Hours ago by: Carlos E.R.

I have. No, this is just an industrial sized fast charger, intended to be used on garages to give enough charge in 10 minutes to a battery so that it can start the car and the client leaves. The client is told he has to replace the b

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 12 Days 23 Hours ago by: Andy Burnelli

I understand and I don't disagree since I, myself, have a love:hate relationship with Scotty Kilmer, as he seems to spew every bit of nonsense in the book - but - he's also an extremely experienced mechanic. BTW, this offshoot tangent h

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 13 Days 2 Hours ago by: ohg...@gmail.com

Yep. Not only will all phones charge when off, they often charge faster when off although not dramatically so.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 13 Days 2 Hours ago by: Peter W.

Funny thing, my wife's iPhone 13, and the two before that charged just fine when off. https://www.iphonefaq.org/archives/97310 Jimmy Neutron is proud of itself! All this BS, stupidity and absolute crap over nothing whatsoever of sub

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 13 Days 3 Hours ago by: Lewis

You're ignorance is showing. Not likely, since the phones need to be on in order to charge, and they use more than 100mA to be on. You will not charge the phone at 100mA, you will very slightly slow the phones discharge. Of course no

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 13 Days 3 Hours ago by: nospam

2.75v is the acceptable maximum. pulse chargers are nowhere near 20-30v. for ctek, it's 15.8v for the initial (and mostly useless) desulfation phase, which will not destroy a vehicle's electronics. true. none that reliably work.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 13 Days 3 Hours ago by: sms

I've never heard of high-voltage charging of lead-acid batteries, at least not beyond 2.5 volts per cell (14.8V for a six cell car battery). The exception is the "pulse chargers" that attempt to remove sulfation in lead-acid batterie

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

sci.electronics.repair

Posted: 13 Days 3 Hours ago by: nospam

take your own advice. i'm *very* familiar with battery chargers for various battery chemistries. you clearly are not. that is flat out false. where did you get that bogus information? applying 20-30v to a 12v lead acid car battery wi

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

sci.electronics.repair

Posted: 13 Days 3 Hours ago by: nospam

extremely slowly (as in days), and it needs to be powered off because idle power consumption is higher than 100ma. if it's powered on, it won't actually charge, which is what causes the no charging indicator to be shown on the display.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 13 Days 4 Hours ago by: Carlos E.R.

nospam, don't talk of things you don't understand Fast charging a lead acid battery means supplying it with a high voltage, maybe 20 or 30 volts, much more than what the battery can absorb. If the car is not disconnected, that voltage

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 13 Days 5 Hours ago by: sms

nospam is wrong of course™ You can charge a phone, albeit very slowly, at 100mA. There's no good reason to do this, but someone else was concerned that when you plug a phone into a fast charger there is no way to force it charge at

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 13 Days 9 Hours ago by: nospam

the usb spec is absolute, as are other specs. the usb spec *requires* that a device initially source 100ma, with higher rates only after negotiation. originally, that required a request, but that was not practical for a simple charger,

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 13 Days 9 Hours ago by: nospam

it can, but also reduces the life of the battery, depending on how fast it is. they do, because they want to move onto the next customer. only if improperly done. the battery doesn't need to be disconnected. modern car battery cha

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 13 Days 10 Hours ago by: Carlos E.R.

.... Lead-acid could be fast charged. They do that some times with cars on garages. It is dangerous, the battery must be disconnected from the car first, or the electronics can be destroyed (overvoltage). Happened to me.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 13 Days 10 Hours ago by: Carlos E.R.

Don't be that absolute. When you do that, you deserve getting the «nospam is wrong of course™» response. Some phones may not charge at that rate, others do. I have one such cable with just two wires, and all of my devices (with mi

fed hackers pay black worker (stolen money)?

sci.electronics.repair

Posted: 13 Days 12 Hours ago by: bruce bowser

"Stormous, hacking in the Russian interest. Cyber phases of a hybrid war. Mapping ransomware gangs. Chinese APTs active in Asia" "Conti is hands down the more professional of the two" "Estonia hosts NATO-led cyber war games, with one eye

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 14 Days 6 Hours ago by: nospam

by not seeing the resistors (or actual negotiation), the 'very low rate' is 100ma, as per the usb spec, which is insufficient to charge a phone battery. some devices will even say not charging: <https://cdn-60c35131c1ac185aa47dd21e.clo

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 14 Days 7 Hours ago by: sms

nospam is wrong of course™. You can charge at the very low rate by not letting the charger see the resistors on the data pins. There's no upside to charging at 100mA, just as there is no upside to charging at 500mA or 1A, versus hig

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 14 Days 9 Hours ago by: Carlos E.R.

Well, I have been slow charging my previous phone during 4 years, and battery life is almost the same as when I bought it. There was a decrease or impact the first year or two, then none.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 14 Days 9 Hours ago by: Carlos E.R.

Actually, my night charger does so at "1 load unit", and does the job just fine.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 14 Days 10 Hours ago by: Carlos E.R.

Yes, my phone does say it will end charging by alarm time.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 1 Hour ago by: Bob F

"Fast charging improves the charge efficiency. At 1C charge rate, the efficiency of a standard NiCd is 91 percent and the charge time is about an hour (66 minutes at 91 percent). On a slow charger, the efficiency drops to 71 percent, p

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 1 Hour ago by: mike

When a person makes a mistake like that, if you dislike them, it's annoying, but if you like them, it's cute. On the other hand, if you prefer speed x while driving and someone zooms by at 2 x, they're an idiot but someone in front of y

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 4 Hours ago by: sms

Oops, USB-C PD, not USB-C PC.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 15 Days 5 Hours ago by: ohg...@gmail.com

If you're talking about lead acid car batteries, then running them way down even just a couple of times is very bad for them. While discharged, they begin to sulfate almost immediately. Even a fairly new battery can be easily weakened s

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 15 Days 6 Hours ago by: Tim R

Laptops are notorious for having bricked batteries. Sometimes replacement is cheap, sometimes not. Battery life is supposedly longest when charge is maintained between 20% and 80%. The way most of us use a laptop is to leave it plugg

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 6 Hours ago by: sms

I have two close friends that moved from England to California. After a couple of decades in the U.S. they learned to speak proper English, but they occasionally slipped up. When they first moved to the U.S. there were some embarrassin

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 6 Hours ago by: nospam

mouses is an acceptable plural when referring to a computer mouse. not applicable to the rodent. <https://www.merriam-webster.com/dictionary/mouse> plural also mouses : a small mobile manual device that controls movement of the curs

Re: Battery charge tests - running a battery to 0 frequently (thread)

comp.mobile.android

Posted: 15 Days 6 Hours ago by: Chris

An upper class english accent pronounces a house as "hice". English is a bastard language with so many accents and vernaculars that it's pointless arguing over what is "correct".

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 6 Hours ago by: nospam

that is false. it's very easy to tell if it's fast charging. there is no such need.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 7 Hours ago by: sms

One other thing, which could be good or bad depending on your point of view, is that for iPhones that are capable of fast charging, if you turn the phone off _after_ the phone is plugged into a USB-C PC charger. then the charge rate

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 15 Days 7 Hours ago by: ohg...@gmail.com

Kilmer is a backyard mechanic at best who doesn't know any more about, well, *anything* than any one else. I wouldn't let this guy change the oil on a car.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 15 Days 9 Hours ago by: Peter W.

Fifty-two (52) replies in pursuit of idiocy. Jimmy Neutron strikes again!

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 16 Hours ago by: Andy Burnelli

I _know_ it's a really bad idea, which is _why_ I want to see what happens. I got a handful of these phones for free, so I have _plenty_ to work with. It's just a phone. Phones are a dime a dozen. They're a commodity. This is a Samsun

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 17 Hours ago by: Andy Burnelli

You were the first person to tell me about GSF years ago, which I appreciate since you said (rightly so) that it's getting harder over time to find apps that don't incorporate these Google calls into their code. I'm not ashamed to admit

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 17 Hours ago by: Andy Burnelli

I apologize for not being clear, where I'm not sure exactly what Google Services Framework is other than it's a set of APIs that our good friend Google provides so that apps can link in all sorts of stuff from Google. If that alone does

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 18 Hours ago by: Andy Burnelli

It's worse than that, but just as prevalent in apps you don't want it in. Can you handle detail, perhaps with a bit of confusion involved on my part? It's actually difficult to find a _good_ explanation of GSF for you. <https://www.goo

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 20 Hours ago by: nospam

which will be extremely slow and might even be insufficient to overcome idle demands of the device because it will be 5V@100ma, or 1/2 watt, assuming it works at all, since such adapters are non-compliant with the usb spec. a better and

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 20 Hours ago by: sms

There's no reason to manually select slow charge or fast charge on recent vintage iPhones or Android phones. The phone automatically sets the charge rate based on the charge level of the battery. There's no down-side to fast charging a

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 20 Hours ago by: John McGaw

snip... Actually, the "adaptive charging" option seems to do that but without asking. Place the phone on the wireless stand after the phone knows that it is "sleepy time" and it will automatically restrict the charge rate to what is ne

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 21 Hours ago by: Clifford Heath

GNU Software Foundation perhaps?

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 21 Hours ago by: nospam

slow down!

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 21 Hours ago by: nospam

he's forever moving the goalposts. yep. language evolves.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 21 Hours ago by: nospam

google services framework

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 21 Hours ago by: nospam

false. <https://www.sciencedaily.com/releases/2021/12/211202153918.htm> When a battery is charged too quickly, however, intercalation becomes a trickier business. Instead of smoothly getting into the graphite, the lithium ions te

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 15 Days 21 Hours ago by: Phil Allison

==========> " Ni-cad cells are less efficient when slow-charged (see <https://batteryuniversity.com/article/bu-407-charging-nickel-cadmium>)." ** Shame that is NOT what YOU wrote earlier. snip, snip snip snip ......

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

sci.electronics.repair

Posted: 15 Days 22 Hours ago by: Jeff Liebermann

Oops. I missed that part. However, it's still wrong. 1C is a fast charge for a NiCD. 0.1C is a normal charge rate. 0.05C to 0.1C is a trickle charge: <https://www.electronics-notes.com/articles/electronic_components/battery-technol

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 22 Hours ago by: AJL

And the original definition of gay was happy. I repeat, language changes. Dictionaries usually give the current meaning, though they sometimes disagree as well. I'd call it a cannon. That's current usage. Language is not always logical

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 22 Hours ago by: Wade Garrett

Just curious- do you leave the phone sitting on the dash when parking the car in the street or parking lot?

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 22 Hours ago by: Jeff Liebermann

The original definition of battery referred to a collection of artillery for military purposes. <https://en.wikipedia.org/wiki/Artillery_battery> "Historically the term "battery" referred to a cluster of cannon in action as a group, ei

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 22 Hours ago by: sms

"Fast charging improves the charge efficiency. At 1C charge rate, the efficiency of a standard NiCd is 91 percent and the charge time is about an hour (66 minutes at 91 percent). On a slow charger, the efficiency drops to 71 percent,

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 22 Hours ago by: Jeff Liebermann

Please not that I didn't write the following quote, you did. Please watch your attributions. No, it's not. I guess I should be more specific. I would like to know why you find it necessary to test a LiIon cell in a charge range of z

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 15 Days 22 Hours ago by: Phil Allison

==========> ** That "battery" refers to one or more cells has been the norm for over 70 years. Technical docs and people use the word "cell" to refer to one example or the particular type. Not hard to accommodate both meanings.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 15 Days 23 Hours ago by: AJL

Language changes. Always has. Battery is a correct usage for cell phones these days according to several dictionaries. Just as doing things you really really enjoy makes you gay. Well at least it did in my youth...

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 23 Hours ago by: Jeff Liebermann

"Where does it say that on the URL you mentioned? All I find is: To achieve a reliable voltage signature, the charge rate must be 0.5C and higher. Slower charging produces a less defined voltage drop, especially if the cells are mismatc

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 15 Days 23 Hours ago by: Jeff Liebermann

What's a GSF? All I could find was Golden State Foods. My criteria for apps is no adds and the ability to do at least the one thing that I need very well. I don't care about the rest. Ummm... How many apps do you have on your Andro

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 1 Hour ago by: sms

Inductive charging is not the same as wired charging. For wired charging, there is no downside to proper fast charging that charges at a higher rate when the battery is very discharged then reducing the charge rate as the battery fills

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 2 Hours ago by: Jolly Roger

Quod sequitur. Wireless charging is generally less efficient than using a physical connection, and the greater the distance between the coils, the less efficient the transfer of energy is and the more heat gets generated. A case will incr

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 2 Hours ago by: Wade Garrett

I worry about heat too. Wireless charging my iPhone on the Qi pad in my car warms the phone...and more so if I leave it in its case. And it warms even more if I also rest it on the sticky pad I sometimes keep on the car's charge pad to

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 3 Hours ago by: nospam

your link states that the charge efficiency is better at faster rates, not battery health. you're moving the goalposts, as usual. also, nicad isn't used in consumer products anymore, nor are the batteries even available (other than spec

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 4 Hours ago by: sms

Ni-cad cells are less efficient when slow-charged (see <https://batteryuniversity.com/article/bu-407-charging-nickel-cadmium>). NiMH cells are best charged using the "step-differential" method (see <https://batteryuniversity.com/article

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 4 Hours ago by: Andy Burnelli

To add more to that suggestion, personally I install only apps that are GSF free and that don't contain ads and which have high'ish ratings & installs. *DevCheck Hardware and System Info* by flar2 Free + inapp, ad free, google free,

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 16 Days 4 Hours ago by: ohg...@gmail.com

That is true. My Tesla allows me to program the charging to whatever level I want. I plug in twice a week and it stops charging at 80%. 80% gives me about 250 miles of useful range. Most manufacturers limit the amount of charge to a

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 5 Hours ago by: Jeff Liebermann

I was referring to charging temperature, not ambient temperature. LiIon cells are useless below 0C. Body heat helps keep the phone warm. Yes, temperature has an effect: <https://www.google.com/search?q=lithium+ion+battery+cold+weather

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 5 Hours ago by: Jolly Roger

Temperature definitely plays a part in it.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 5 Hours ago by: Andy Burnelli

That's like asking a chemistry teacher why there's a chemistry lab. Or asking a physics professor why she bothers to run the lab. Or asking why a microbiology class bothers to grow bacterial cultures. Bear in mind that the answer to the

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 5 Hours ago by: Jolly Roger

Wrong. There's plenty of evidence that fast charging increases heat which is damaging to batteries.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 5 Hours ago by: Jolly Roger

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 6 Hours ago by: Jeff Liebermann

Oops. Wrong app. The one I was using is: <https://play.google.com/store/apps/details?id=com.liuzh.deviceinfo>

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 6 Hours ago by: Jeff Liebermann

I realize that it's anecdotal evidence, but two identical Moto G Power (2020) phones, charged with 10 watt and 30 watt chargers, seem to show that the measured battery capacity (ma-hr) is dropping for the 30 watt charger. I'll admit tha

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 6 Hours ago by: Jeff Liebermann

Nope, or at least not what I've seen with my testing (and screwing around). A few decades ago, I decided that NiCd cells would only become warm if over charged past 100%. Well, I was off a little but my thermocouple tests showed that u

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 9 Hours ago by: nospam

actually, there is extensive evidence. whether it matters for a device that will be replaced in a couple of years is another story.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 11 Hours ago by: sms

Actually there is no evidence that "fast charging," at the rates we're currently seeing on most phones, damages batteries. The phone firmware manages the charge rate. If you look at the Galaxy S22, which Samsung touts as having a cha

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 12 Hours ago by: Carlos E.R.

It would be nice if when pluging the charger the phone asked whether we want a fast or a slow charge.

Re: Battery charge tests - running a battery to 0 frequently (thread)

comp.mobile.android

Posted: 16 Days 13 Hours ago by: Chris

Interesting to see it born out in practice, but it is a known fact. Fast charging heats up the battery and heat damages the battery, therefore fast charging will reduce the battery life.

Re: Battery charge tests - running a battery to 0 frequently - checking re-charge times (thread)

comp.mobile.android

Posted: 16 Days 16 Hours ago by: Jeff Liebermann

Why? Kinda reminds me the Chernobyl, where the fools were trying see if they could squeeze some power out of the reactor that was almost, but not quite shut down. It didn't go well for the Russians and is likely to go badly with your b

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 22 Hours ago by: Jolly Roger

Same here. I keep a charge cable handy in the car and living room in case I need it, but that's a rarity. I can't recall the last time I needed it.

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 16 Days 22 Hours ago by: Jolly Roger

Same here. I never think about charging, other than throwing it on the charger before going to sleep. Our devices are here to serve us, and not the other way around. Personally, I have far more productive things to do than babysit my devi

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 17 Days ago by: AJL

Me too. I have always done it that way whether with wireless or regular chargers. 100% charge every morning. And so far the battery has always outlasted the phone before being replaced. And I've never needed it (yet) but that extra 20% c

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 17 Days 1 Hour ago by: sms

There are two ways that EV makers are able to guarantee their batteries for 100K miles. The first is to limit how high it charges and how low it discharges. The second is to define what constitutes "excessive capacity loss."

Re: Battery charge tests - running a battery to 0 frequently - (thread)

comp.mobile.android

Posted: 17 Days 1 Hour ago by: John McGaw

snip... I have no idea. In my entire experience using mobiles I've never gotten to zero. I take my phone off of the wireless charger on my night table every morning, use the phone all day, and every evening I put it back. Sometimes it

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 17 Days 2 Hours ago by: Carlos E.R.

Somewhat related, I saw this past Saturday an article about a study testing charging batteries to full (of electric cars), or only a percent. The article is in Spanish, but you can use google translate to read it. It points to a study

Re: Battery charge tests - running a battery to 0 frequently - (thread)

sci.electronics.repair

Posted: 17 Days 2 Hours ago by: Peter W.

It appears to be BAAACK. Please do not feed the troll. In the off-chance that this is NOT Jimmy Neutron in its latest incarnation: a) It is really, really stupid to run any battery 'down to zero'. They are chemical engines that are dama

Battery charge tests - running a battery to 0 frequently - checking re-charge times

comp.mobile.android

Posted: 17 Days 3 Hours ago by: Andy Burnelli

I am testing if it takes _longer_ to "fast charge" a phone if you _frequently_ let the battery run down to zero - and it seems to be. Case in point, I've been letting the phone run to shutoff overnight (by running NewPipe YouTube videos an

Re: Radio keeps cutting in/out (thread)

sci.electronics.repair

Posted: 19 Days 7 Hours ago by: Peter W.

(I keep being told I should be searching for "CBS" as if I were Search for the part-number of the device - you will see that right on top next to the volume control. I expect that it adds 'boom' to the box. Peter Wieck Melrose Park, PA

Re: Radio keeps cutting in/out (thread)

sci.electronics.repair

Posted: 19 Days 7 Hours ago by: Mike Coon

In article <3a715109-f8f7-4d97-891e-e3b8c1d08350n@googlegroups.com>, hildawinkler77@gmail.com says... "XBS"? (I keep being told I should be searching for "CBS" as if I were dyslexic!)

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 19 Days 7 Hours ago by: Mike Coon

In article <7ea095c3-e468-412e-9278-859269333998n@googlegroups.com>, whit3rd@gmail.com says... Invest a small amount to be held in trust for an experiment...

Re: Radio keeps cutting in/out (thread)

sci.electronics.repair

Posted: 19 Days 20 Hours ago by: Clifford Heath

If you can get a nozzle to the pot, spray some CRC 2-26 in there. Excellent stuff, though not cheap. CH

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 19 Days 22 Hours ago by: whit3rd

Yeah, very slowly; strain in the metal parts can accumulate and change the magnetic properties of the laminations. By 2322, you'll notice that difference...

Re: Radio keeps cutting in/out (thread)

sci.electronics.repair

Posted: 20 Days 4 Hours ago by: Peter W.

That is a baby boom-box, correct? Getting into it for service will be a PITA. Getting it back together after servicing will be an even bigger PITA. a) The Tuner section keeps cutting out? b) The CD section keeps cutting out? c) Both kee

Radio keeps cutting in/out

sci.electronics.repair

Posted: 20 Days 5 Hours ago by: Hilda Winkler

Hi Group, can someone help please.? I have a panasonic portable stereo cd system rx-ds15 keeps cutting in and out when adjusting the xbs. it is a old school style. im assuming the potentiometer is faulty..??

Re: LG Inverter Boards (thread)

sci.electronics.repair

Posted: 25 Days 7 Hours ago by: ohg...@gmail.com

Make sure the contacts are indeed tight on every single connection as there is high voltage there - any resistance and it will arc eventually. When I ran across that, I often would just flow a thin puddle of solder on the lands and deflu

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 25 Days 8 Hours ago by: Allodoxaphobia

Yes -- in time viewed over either minutes, days, years, or epochs. :-) Jonesy

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 25 Days 11 Hours ago by: mike

Given the inevitable loss of energy, perhaps only slight, and the potential for failure, is the vibration detrimental to the operation of the equipment?

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 25 Days 12 Hours ago by: Mike Coon

In article <t4a6gq$bvc$1@reader1.panix.com>, dannyb@panix.com says... Because the movement is due to magnetised laminations attracting (or repelling, perhaps) each other. They do the same thing on both half cycles because they all switch

Re: Anyone have experience with Cuisinart CYM-100 Automatic Cooling (thread)

sci.electronics.repair

Posted: 25 Days 19 Hours ago by: Three Jeeps

umm, sorry, dont quite understand your question. Are you asking what the component is that is marked as Q2 on the PCB? If so, sorry, no clue. My unit is assembled and I don't want to take it apart. I suggest you try to determine the t

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 25 Days 19 Hours ago by: danny burstein

Actually, for reasons I'm not quite understanding, that "60Hz" (or 50..) "hum" is usually, actually, buzzing at _120_Hz (or 100).

Re: LG Inverter Boards (thread)

sci.electronics.repair

Posted: 25 Days 21 Hours ago by: John Keiser

I order the replacement from ElectroPartsOnline on Wednesday and it was delivered to Hawaii on Saturday! $14.50 total. Unit has a stock date of 2015 so it may have been pulled 7 years ago. Works fine. Even though all the numbers match, r

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 25 Days 23 Hours ago by: Mike Coon

In article <t498u7$jng$1@dont-email.me>, G6JPG@255soft.uk says... Maybe it is generating harmonics, a bit like an insect stridulating. "Buzz" does not indicate a pure tone. Plus the laminations will attract each other on both half-cycles

Re: Anyone have experience with Cuisinart CYM-100 Automatic Cooling (thread)

sci.electronics.repair

Posted: 26 Days 1 Hour ago by: Daniel Whitehouse

Any idea what the component in the Q2 position is? on mine it appears to be burnt. no luck finding a schematic for the dang thing so far....

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 26 Days 4 Hours ago by: J. P. Gilliver (John

Must be that then. Maybe my ears are better than I thought. I typed this procedure to tape on the top of the unit. You observe the number side labeled 1 thru 10; not on side labeled OPEN. The definition of "DOWN" is the position of heig

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 26 Days 4 Hours ago by: Andy Burns

Loose laminations only on a small scale (see above) Hopefully 50Hz unless you've moved ...

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 26 Days 4 Hours ago by: J. P. Gilliver (John

(my responses usually follow points raised): Finding the manual wasn't the problem because the hangup turned out to be two things that aren't in the manual and both were necessary. The manual is here if you need it though. https://www.ma

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 26 Days 4 Hours ago by: J. P. Gilliver (John

When I saw this I finally realized it was two concurrent things, and that was one of them only. There's a loud buzzing fluorescent light with four bulbs and two 8inx4in ballasts which recently started to buzz. The training procedure w

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 26 Days 4 Hours ago by: J. P. Gilliver (John

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 26 Days 8 Hours ago by: legg

If you've changed the lighting source near or on the door opener, this can prevent operation. Older mechanisms may not function if fluorescent lamps are substituted for previous incandescent. LED subs are probably OK. RL

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 26 Days 10 Hours ago by: Adrian Caspersz

Is that legal in the UK? google the words "MJN321 manual"

Re: Garage door clicker retraining procedure (thread)

sci.electronics.repair

Posted: 26 Days 12 Hours ago by: Mike Coon

In article <t481ng$4n1$1@dont-email.me>, G6JPG@255soft.uk says... What, if anything, have you Googled?

Garage door clicker retraining procedure

sci.electronics.repair

Posted: 26 Days 15 Hours ago by: J. P. Gilliver (John

What is the process of getting a garage door opener clicker to work again? I had been using the "Clicker" brand hand held three button garage door opener clicker for years when it recently stopped working. It's gray with 3 blue buttons, F

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