Okay,
After researching I found that the Original EVO had a faulty headphone jack issue. So when my Shift would cut out I assumed the jack was to blame. I had the issue on two occasions.
1st time) I found I had lint in the jack, tweezers fixed that issue.
2nd time) Jack was clean, but the actual headphone plug would pop out ever so slightly anytime it was moved gently (i.e the phone shifts in your pocket).
I assumed this was to do with the pins in the headphone jack wearing down\being pushed back and not always returning back and locking with the connector on the headphone. This definitely would be an issue for most Shift users over time (users who use headphones a lot at least.) Now after searching the googlez' I didn't see that many hits on people having issues with their shifts headphone jack, only one or two posts on xda & android central about how "touchy" the jack is (i.e headphone would pop out a TINY bit, it's normal to have this kind of play, my her did as well, with no issues). So instead I looked at my headphones themselves (their connector), gathered 4 pairs and tried them all. 3 of them are pretty pricey, and their connector would pop out of the phone ever so slightly when moved, the 4th pair (cheap ear buds) had no problem whatsoever . So what was the difference? The LENGTH of the gold\silver connector. I lined them up side by side under a light, and lo and behold, the 4th cheap one was slight shorter, and it allowed it to sit snugly and "snap" into the phone, and would not pop out under movement, the other 3 pairs were ever so slightly longer. So my solution? Metal nail file, and take down a little bit of the tip, which lets the plug sit all the way in. Be careful not do damage your connector on your headphones. Or you could just buy another pair and make sure it's not too long (the connector tip). Hope this helps some of you folk out there.
stealthfx said:
Okay,
After researching I found that the Original EVO had a faulty headphone jack issue. So when my Shift would cut out I assumed the jack was to blame. I had the issue on two occasions.
1st time) I found I had lint in the jack, tweezers fixed that issue.
2nd time) Jack was clean, but the actual headphone plug would pop out ever so slightly anytime it was moved gently (i.e the phone shifts in your pocket).
I assumed this was to do with the pins in the headphone jack wearing down\being pushed back and not always returning back and locking with the connector on the headphone. This definitely would be an issue for most Shift users over time (users who use headphones a lot at least.) Now after searching the googlez' I didn't see that many hits on people having issues with their shifts headphone jack, only one or two posts on xda & android central about how "touchy" the jack is (i.e headphone would pop out a TINY bit, it's normal to have this kind of play, my her did as well, with no issues). So instead I looked at my headphones themselves (their connector), gathered 4 pairs and tried them all. 3 of them are pretty pricey, and their connector would pop out of the phone ever so slightly when moved, the 4th pair (cheap ear buds) had no problem whatsoever . So what was the difference? The LENGTH of the gold\silver connector. I lined them up side by side under a light, and lo and behold, the 4th cheap one was slight shorter, and it allowed it to sit snugly and "snap" into the phone, and would not pop out under movement, the other 3 pairs were ever so slightly longer. So my solution? Metal nail file, and take down a little bit of the tip, which lets the plug sit all the way in. Be careful not do damage your connector on your headphones. Or you could just buy another pair and make sure it's not too long (the connector tip). Hope this helps some of you folk out there.
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Click to collapse
That makes sense. I was wondering, because I use my headphones almost everyday in and out of my pocket and have never had it be anything but rock solid. And I did pay only $20 for them. Good job on the excellant research!
^ Shift Faced
interesting
I have used two different headphones, one of high quality and one of medium quality and had no problems what so ever.
Has anyone else had this problem?
Never had any headphone problems to speak of, besides the fact that it doesn't work. That's because I'm using a really Alpha ROM, so it's my own fault.
Xodium said:
Never had any headphone problems to speak of, besides the fact that it doesn't work. That's because I'm using a really Alpha ROM, so it's my own fault.
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Click to collapse
Useful input
Sent from my PG06100 using XDA App
Neverhad a problem with my $5 headphones... or my monoprice auxiliary cable.
Sent from my PG06100 using XDA App
Im having this same exact issue with my Koss KSC-45 headphones. Havent figured out a solution yet.
Had headphone issues with the blue/black htc branded case that sprint sells and my sony studio monitors, ended up that the opening on the case wasn't large enough and wouldn't allow the headphones to insert fully into the jack. 15 mins with the backside of the case removed and a pocket knife, and back in business.
Sent from my PG06100 using XDA App
Anyone know of specific headphone brands that work?
I need a wire to connect to the Auxillary input on my car, and the one I have must have this problem -- haven't tried filing the tip.
Spot on . Was once in a while having an issue like this. Read your post. Took out all my headphones ( about 8 pairs, don't ask ) and compared them. Low and behold almost all the cheap pairs were shorter. Nice job on a cheap and smart solution to an annoying problem.
Solved my problem!! Thanks.
Has anyone modified their desktop doc so it can be used to transfer files via the USB connection? I have given up on Samsung making good on the sound output and have opened up the little beastie so I can see what's going on. Headed to electronics shop tomorrow to see about getting a female micro USB connector because I want to ditch the whole circuit board.
Will post some pics of the innards later tonight. Any help or comments are appreciated.
Sent from Bonsai 6
Theres a fix for audio.... O_0
Sent from my SPH-D700 using XDA App
Kcarpenter said:
Theres a fix for audio.... O_0
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Click to collapse
Well, who needs audio. It is in pieces now and going to wire it up so it will charge in the dock, use USB, work with my case on, and have the LED light on.
Got used to this kind of behaviour with my Treo and miss it.
Sent from Bonsai 6
Did you ever do this? Also can you post pics of the dock taken apart. I want to mod mine to accept the extended battery.
PICTURES PLEASE!!!
Also, how did you get it open? It seems tricky.
I'll have to pile on too -- any pics, Top Nurse?
Or even just a quick outline in how you opened it (presumably without damaging it). I can't figure it out -- at least, so long as I'm not willing to start prying in seams with a screwdriver.
My interest in this has peaked because of the awesome mod that someone (can't find the thread to thank him!!!!) put together -- SGS_Dock_Audio_Fix.apk -- that makes the audio out on the docks work automatically, like they should... insert the Epic, audio switches to the dock jack. Remove it, audio switches back to the speaker.
However, the audio is absolutely horrible. I mean, unlistenable, for me at least.
I suspect this is an artifact of the electronics in the dock -- I'm assuming it's not a direct analog transfer of the signal over the USB datapins, but rather a more "standard" use of the dock as a USB audio device as per USB spec, and therefore the actual D/A conversion is happening on a board inside the dock.
I want to mess with it and see if a) I'm right, and b) if I can fix it.
Otherwise, despite the (once again) correct fix for this from one of our community members, it's still for the most part unusable, thanks to Samsung.
Geez, this whole debacle with the dock-out audio for the Galaxy line is becoming ridiculously pathetic and incompetent. Unbelievably so.
Did anyone ever have any luck looking into the issues with the dock. When I use the one I have if I have the charger plugged in the audio has static and if I unplug the charger the audio is better but it seems like I'm loosing a lot of the bass. I might try tearing mine apart to get a look this weekend but if you guys have already done some work and there is no way to fix it then I'd not attempt it.
That's a great idea. I'm so frustrated with how much Samsung charged for a dock that doesn't work at all out of the box. I'd also like to see pictures. I'm using mine right now to cover up the power light on my computer, while I play Skyrim. It's the most useful it's been yet; it's a perfect fit, and I can still see the HDD light flash.
I tore mine apart last night, and actually didn't damage it. I'll have some pictures later to show how to take it apart and what it looks like.
I'm pretty green when it comes to electronics but the internal board is very simple and it really looks like the output from the epic's usb has the audio on a couple pins, then power on a pin and then ground on another. I think the issue may be that everything is sharing the same ground, the headphone jack and the charging circuit share a ground which might be causing the static.
Like I said, I'll get some pictures posted and maybe somebody out there will have an idea on how to isolate the two circuits better... if it is even possible.
Very interested in this. I haz 3 x desk docks (one each bedside for my wife and me and one for my desk at work) and a car dock. I was hella pissed when the line out on the car dock didn't work because I was tying it into the car kit. Been thinking of drilling through the dock's slider on the car dock to hack in a 3.5mm jack but if I can hack the board in it instead that will be a lot cleaner.
Ok I got some pictures taken. Some are good some are not so good.
If you follow them somewhat in the numerical order it shows the disassembly, I used a thin knife to pop the back plate off, from there it was removing a few small screws and then the front plate came off. After that it was removing a bracket that held the micro usb connector on the dock and then also removing a couple screws that hold the small PCB to the back plate. From there you can fish out the PCB and usb connector.
I did some tracing of the usb charger pins to the usb dock connector and from the headphone jack to the usb dock connector.
I've done some testing and it sounds like with everyting torn apart and plugging things in with the PCB laying on my desk the static on the audio is gone but it still sounds hollow. Note this test was run with power being supplied from a computer usb instead of using a wall plug.
I'm really intersted in the quality of the sound coming over the dock usb connector. I think I may pickup an additional headphone jack from the shack tomorrow and wire it to the correct pins and ground to see if the PCB is causing any interferance.
I need to get my wall plug out to test for static from it as well. Maybe there is a difference between using the Samsung one and my old HTC charger to which I've plugged in a micro usb cable.
I'm not sure what the purpose of the LED on the dock is but it did turn on for me when I had it plugged into the computer, I don't remember it coming on when I plugged it into the wall plug.
I'll update with more info when I do some more testing.
Another note is that you can see that my PCB's solder joints don't look all that uniform, seems some of them might have been reflowed and the PCB is kinda dirty for something that seems like it was pretty air tight when the case was all snapped together.
Found this good thread with information about how the phone knows that it has been inserted into the dock. Does some explaining as to what some of the resistors on the PCB are for. I'm making the assumption some of the other ones are for the LED that is used on the dock.
http://forums.androidcentral.com/epic-4g-accessories/64959-what-triggers-car-dock-mode.html
Looks like the source of that information was here on XDA...
http://forum.xda-developers.com/showthread.php?t=980937
Just to follow up on this whole mess...
I finally did a kernel test when upgrading to EL30. Looks like the stock kernel does something to make the audio better (more bass, less tinny). Anybody know why the custom kernels make the audio not so enjoyable?
bmasephol said:
Just to follow up on this whole mess...
I finally did a kernel test when upgrading to EL30. Looks like the stock kernel does something to make the audio better (more bass, less tinny). Anybody know why the custom kernels make the audio not so enjoyable?
Click to expand...
Click to collapse
The code I brought into the CM7 ShadowKernel must be just enough to get it functional. I will need to do more research and comparisons with the stock kernel code to see if there is more I can add to improve the sound.
Sent from my SPH-D700 using XDA App
ok so it doesn't look like there is much going on with that board, doesn't look like it could be a DAC at all. so its sending analog sound through the USB port? strange....would be awesome if we could use the voodoo sound stuff with it.
dzl said:
ok so it doesn't look like there is much going on with that board, doesn't look like it could be a DAC at all. so its sending analog sound through the USB port? strange....would be awesome if we could use the voodoo sound stuff with it.
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Click to collapse
+1
Sent from my SPH-D700 using xda premium
bmasephol said:
Just to follow up on this whole mess...
I finally did a kernel test when upgrading to EL30. Looks like the stock kernel does something to make the audio better (more bass, less tinny). Anybody know why the custom kernels make the audio not so enjoyable?
Click to expand...
Click to collapse
bmasephol, you sure about that?
One of my E4Gs is on stock EL30. I used a pair of IEM to test this. The sound from the dock is tiny, lacking bass. I compared it side-by-side with another E4G running bbelos' MTD CM7 kernel and they sounded exactly the same. I then plugged the IEM directly to the phone's audio out, and the sound was much better as expected. This all says the USB audio route, as has been said elsewhere and here, doesn't go through the onboard DAC or least much less amplified than the headphone out.
But for me it's not a big deal. In the car, the head unit took care of it (just have to crank it up a bit), and at home, a small T-Amp can do the same.
Bbelos, beside xcaliburinhand's another kernel source, you might want to look at drhonk's CM7 Bali kernel. Roy also has other interesting stuff in some of his Galaxy kernels(like BLN!)
Yes - I may have spoke too soon. I did my tests while my dock was still torn apart. Now at work this morning the dock sounds like **** again...
I'm going to take it home and try again tonight. I swear last night while I was listening to it all torn apart it sounded way better.
I'll update later tonight.
is our phone the only galaxy s that has this problem with audio out through the dock?
I'm going to propose a theory... feel free to shoot it down for those who have more knowledge about this than I do... I'm going back to knowledge I had 15 years ago when I used to work for a company that specialized in digital audio products...
A DAC (digital-to-audio converter) is an actual physical electronic component, which obviously converts a digital stream (1's and 0's) into an analog signal to the output jack. The DAC on the Epic 4g is a Wolfson DAC, pretty decent quality DAC with some nice features that apps like Voodoo Sound can tap in to.
The USB connector on the Epic 4g (which the desk and car docks plug into) is just that - a USB connector, which transfers *digital* information. Audio via USB is (I'm assuming) using some protocol which allows digital audio bits to be transfered over a USB connection. Therefore, the audio coming out of the USB connector is still digital, i.e. *not* being converted to analog inside the phone.
The small circuit board inside the dock has an attached headphone jack, and part of that component including the surrounding circuitry *is in fact a DAC*. In fact, I believe it's a totally crap DAC (compared to the Wolfson DAC used by the Epic's headphone jack). So the docks have their own crap DACs which do the digital-to-analog conversion outside the phone. Therefore, I think it's impossible (or nearly impossible) for a phone app to control the dock DAC (like Voodoo controls the Epic's on-board DAC). Only thing I can think of is to use a music player on the Epic that has a built-in EQ which would affect the sound before it hits the USB output. Either that, or try to replace the DAC on the dock's circuit board, or have a really awesome car stereo which can tweak the sound enough to make it tolerable
If this has already been posted somewhere I apologize, there are a couple threads on this general topic and I haven't kept up with all of them...
Edit: if it's not clear that I'm implying this, another point: I don't think it's possible that the Epic's on-board DAC can possibly affect the audio coming out of the USB connector that the docks use
I know this isn't the best place but I'm wondering if any of you can point me in the right direction. My headphone jack is loose, I have to hold my headphones in to keep it playing in both speakers. The headphones work fine in every other device. I want to solder the jack back into place as I imagine that's its problem.
Does anyone have experience doing this or have a link to a schematic of this inside of a desire z?
Thanks in advance.
Sent from my Nexus 7 using xda app-developers app
You won't need any schematics. You just need to know how to disassemble the device and you will see how u should solder the adapter
Hi and thanks upfront for any assistance.
My N7 started turning itself off and I could not figure it out, it was on a charger. It took awhile for me to figure out sometimes the connector wasn't really staying connected, even though pushed all the way in. It keeps getting worse, it is inconsistent, not behaving the same depending on which cable I have inserted. I have many different cables, some real cheapies, some not, but I've found some are cheapier than other cheapies-some have very snug fit some quite loose, both with N7 and Galaxy-Nexus. I think the connector is deformed, see pix. There is a clear split, but looking at some pix online, I can see there is a line there, so maybe there isn't split metal, just deformed?? Anybody know what I have here? Can I replace that piece relatively easily myself? If I need to send it in, how likely would the warranty cover it since I probably did whatever got done in numerous accidental nexus-flinging incidences? If no warranty, I would imagine I'll turn it into [more] of a toy and get a new one as I can't imagine the cost making it worthwhile.
Again thanks for any ideas.
When this happened to me on a phone Verizon replaced the phone for me.
To avoid this people should be careful to not wiggle the USB connector in or out and don't yank the cord out, etc. Be nice to it cause they will loosen up.
Good luck with yours.
Sent from my N7 using XDA Premium
Dirty AOKP 3.2 & m-kernel+ a33
The headphone jack input for my EVO 4g is acted very strange all the sudden. Everytime I move the wire jack thats plugged in it started to cut out or stop playing music. Is there a place online that sells a replacement headphone jack input?
Thanks!
Bump anyone alive around here?
Yeah i asked about this a while ago because mine did the same thing. From what i read, the headphone jack is connected to the main board so it cannot be easily replaced.
Thanks for the response cullenmq1. What did you end up doing? I use my headphone jack all the time so I really need to do something about it ASAP was hoping it was a quick replacement like the loudspeaker....I do have insurance on the phone
Pivo187 said:
Thanks for the response cullenmq1. What did you end up doing? I use my headphone jack all the time so I really need to do something about it ASAP was hoping it was a quick replacement like the loudspeaker....I do have insurance on the phone
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Click to collapse
I just started using a bluetooth headset
Sent from my SPH-L900 using xda app-developers app