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Old April 29th, 2010, 12:01 AM   #1 (permalink)
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Default Battery charger making high pitch noise?

Hey guys. New here.

Anyways, I got the Incredible yesterday, and as I was charging the phone last night, I noticed a high pitch noise somewhere in my room. Turns out it was the battery charger. Has anyone else experienced this? It's extremely annoying, and I've had to put stuff over the top of it to not hear it.

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Old April 29th, 2010, 12:03 AM   #2 (permalink)
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Mine is working fine. No sounds at all! Call VZW, the charger also has a warranty
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Old April 29th, 2010, 12:05 AM   #3 (permalink)
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The transformer in the charger is making the noise because it is failing.

It may work for a while, but you should contact Verizon immediately (call 800-922-0204) to arrange an exchange for the charger only so as to prevent any damage to your device.
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Old April 29th, 2010, 02:12 AM   #4 (permalink)
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Quote:
Originally Posted by ellissong View Post
Hey guys. New here.

Anyways, I got the Incredible yesterday, and as I was charging the phone last night, I noticed a high pitch noise somewhere in my room. Turns out it was the battery charger. Has anyone else experienced this? It's extremely annoying, and I've had to put stuff over the top of it to not hear it.
I noticed the same noise when I charged mine.
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Old April 29th, 2010, 02:17 AM   #5 (permalink)
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I have had this noise on many vzw phones...LGs, Blackberrys...didn't have it on Droid, and will see about Incredible...I remember I tried to exchange the charger at VZW and they denied that they heard anything.
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Old April 29th, 2010, 02:20 AM   #6 (permalink)
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Quote:
Originally Posted by ellissong View Post
Hey guys. New here.

Anyways, I got the Incredible yesterday, and as I was charging the phone last night, I noticed a high pitch noise somewhere in my room. Turns out it was the battery charger. Has anyone else experienced this? It's extremely annoying, and I've had to put stuff over the top of it to not hear it.
Usually high pitch noises in electronic devices are due to bad capacitors.
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Old April 29th, 2010, 02:55 AM   #7 (permalink)
 
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Originally Posted by drtrmiller View Post
The transformer in the charger is making the noise because it is failing.

It may work for a while, but you should contact Verizon immediately (call 800-922-0204) to arrange an exchange for the charger only so as to prevent any damage to your device.
Please refrain from posting misinformation. There is nothing wrong with the transformer creating a piezoelectric effect. It is very common and perfectly normal. There is also nothing wrong with these type of chargers making high pitched noise.
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Old April 29th, 2010, 02:56 AM   #8 (permalink)
 
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Quote:
Originally Posted by QrafTee View Post
Usually high pitch noises in electronic devices are due to bad capacitors.
Impossible for capacitors to make noise. Please refain from posting misinformation.
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Old April 29th, 2010, 03:03 AM   #9 (permalink)
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LOL

I made a thread for the same reason. Glad to know it's nothing to worry about.
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Old April 29th, 2010, 03:29 AM   #10 (permalink)
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I just discovered the high pitch about 10 minutes ago. It's really loud and annoying!


To solve the issue, I just wrapped some jean pants around the adapter. Might help dampen the sound. We'll see.
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Old April 29th, 2010, 03:31 AM   #11 (permalink)
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Originally Posted by icedog View Post
I just discovered the high pitch about 10 minutes ago. It's really loud and annoying!


To solve the issue, I just wrapped some jean pants around the adapter. Might help dampen the sound. We'll see.
Just to be safe, I wouldn't wrap anything around the charger while it is plugged in.
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Old April 29th, 2010, 03:38 AM   #12 (permalink)
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No noise in my end, whew~.
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Old April 29th, 2010, 03:41 AM   #13 (permalink)
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Quote:
Originally Posted by icedog View Post
I just discovered the high pitch about 10 minutes ago. It's really loud and annoying!


To solve the issue, I just wrapped some jean pants around the adapter. Might help dampen the sound. We'll see.
I wouldn't put anything around the adapter while it's plugged in! My advise is to unplug the adapter, you should be able to charge via the USB cable itself plugged into a computer. Also, get that adapter replaced!

Just don't want your house or something to catch on fire .
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Old April 29th, 2010, 03:54 AM   #14 (permalink)
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Apparently my sarcasm was lost there....
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Old April 29th, 2010, 03:54 AM   #15 (permalink)
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Quote:
Originally Posted by icedog View Post
Apparently my sarcasm was lost there....
Yes, yes it was.
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Old April 29th, 2010, 04:00 AM   #16 (permalink)
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Quote:
Originally Posted by 5thElement View Post
Impossible for capacitors to make noise. Please refain from posting misinformation.
Y'might wanna do yerself some book learnin' and be googlin' that them term "capacitor whine."

Now the capacitor might not be the cause of it (the inductor coil is probably the culprit), the term "capacitor whine" is more common.
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Old April 29th, 2010, 04:10 AM   #17 (permalink)
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Quote:
Originally Posted by icedog View Post
Apparently my sarcasm was lost there....
Sorry lol, sarcasm is difficult to sense over the internet!
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Old April 29th, 2010, 05:29 PM   #18 (permalink)
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So in short, not exactly something that could prove catastrophic but should probably seek out a replacement anyway?
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Old April 29th, 2010, 05:40 PM   #19 (permalink)
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I noticed the whine too. I had it plugged in and was using it to test something while on the phone with verizon. It's pretty loud in your ear. Didn't notice it a whole lot away from the ear, but was still talking to verizon on another phone.
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Old April 29th, 2010, 08:30 PM   #20 (permalink)
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Haha. Well I did wrap it around some b-ball shorts that first night, cause i would've gone crazy having to listen to that while i tried to sleep. Seems to only happen once the battery is fully charged.

I also went into the store to get it replaced, but they didn't have any today. Guess I gotta wait a bit before they get some in.

Thanks for the help though guys. Glad I'm not the only who's experienced it too. Now I have to figure out how to not drain the battery so damn fast
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Old April 29th, 2010, 09:12 PM   #21 (permalink)
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hey, my charger is doing the same thing. the high pitched noise is so awful, i can't even sit in a room with it on as i get a splitting headache shortly after
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Old April 29th, 2010, 10:04 PM   #22 (permalink)
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Quote:
Originally Posted by 5thElement View Post
Impossible for capacitors to make noise. Please refain from posting misinformation.
SInce you are being a jerk I will call you out on that Capacitors can certainly make high pitched noises! They are part of the filter circuit. I have seen many a bad capacitors make high-pitched squealing noises.

Now YOU SIR/MADAM please stop posting false and misleading information.

If my charger made that kind of noise, I would return it ASAP!

If this is not a failing / inferior part, it is certainly an inferior design.
Demand satisfaction.
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Old May 4th, 2010, 08:20 AM   #23 (permalink)
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Last night I was awakend to this sound. I guess I should return it and get a new one.
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Old May 4th, 2010, 06:27 PM   #24 (permalink)
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Mine makes ZERO noise. For it to make noise is NOT normal... Personal electronics like this should not cause the user discomfort to operate.
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Old May 5th, 2010, 07:49 AM   #25 (permalink)
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It's the charger that is making the noise. It did it again last night. I noticed it starts when the phone is fully charged.
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Old May 5th, 2010, 08:05 AM   #26 (permalink)
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Quote:
Originally Posted by 5thElement View Post
Impossible for capacitors to make noise. Please refain from posting misinformation.
Actually, capacitors can and do make noises. Depending on the technology of the capacitor, it can make a whining noise when charging or discharging.

Another source of a "whining" noise can come from a coil based inductor used on older or high powered circuitry, this was usually remedied by placing a drop of hot glue over the inductor to prevent the coils from vibrating over the magnet.

Chances are however, the capacitors inside of the charger are SoC caps, and those generally do not make any noise, therefore one can make the assumption that the whining is coming from the transformer, which, albiet normal in high powered operations, isn't normal for a device of this stature.

Moral: Electronic devices "whine" by nature, sometimes the frequency of the whining is too high or too low for us to hear it.

Moral2: for safety, replace the charger
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Old May 5th, 2010, 08:21 AM   #27 (permalink)
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I started a thread this past weekend here with the same problem:

http://androidforums.com/support-troubleshooting-incredible/71620-noise-coming-wall-charger.html

Anyway, I went back to the Verizon store yesterday and the manager swapped out my charger for a droid charger. It works perfect now.
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Old May 5th, 2010, 08:27 AM   #28 (permalink)
 
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Quote:
Originally Posted by paimon.soror View Post
Actually, capacitors can and do make noises. Depending on the technology of the capacitor, it can make a whining noise when charging or discharging.
No, they really dont. I have an EE degree and have been in this field for years. It is not possible for capacitors to generate "whine" or noise, they do not move, nor do they create a magnatic feild anywhere near strong enough to move themselves.
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Old May 5th, 2010, 08:36 AM   #29 (permalink)
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Happens to me when battery is fully charged. SOOOOOO annoying
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Old May 5th, 2010, 08:36 AM   #30 (permalink)
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Quote:
Originally Posted by 5thElement View Post
No, they really dont. I have an EE degree and have been in this field for years. It is not possible for capacitors to generate "whine" or noise, they do not move, nor do they create a magnatic feild anywhere near strong enough to move themselves.
and I have a M.S. in electrical engineering and B.S. in computer engineering and am currently working in military aerospace dealing with this stuff everyday.... clearly one of us was miseducated....

so lets just leave it at : "be safe and replace the charger"
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Old May 8th, 2010, 11:03 PM   #31 (permalink)
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Quote:
Originally Posted by 5thElement View Post
No, they really dont. I have an EE degree and have been in this field for years. It is not possible for capacitors to generate "whine" or noise, they do not move, nor do they create a magnatic feild anywhere near strong enough to move themselves.
You might want to dig up your old class notes and review them
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Old May 9th, 2010, 12:09 AM   #32 (permalink)
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the charger that came with my phone did this, after about 10 minutes of being in the room with it i'd have a splitting headache. I took it to the vzw store i bought my phone at and they just gave me a new charger, and all is good now
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