Develop Bugs

Convert 8 pin phone cable to mini-usb

Hello,
I have been searching everywhere on the internet, but I haven't found any good sources of information that can help me convert a 8 wire phone cable to 4 wire min-usb.
In my car I have a Bosch HA G2 Cartel phone, and it' very old. It was connected to the audio system of my car using the folowing wire :
www.sodevrom.net/wire.jpg
Now, I want to convert the 8 wire to a mini usb , so I can connect my HTC phone and listen music directly from the phone.
I found the color scheme of the wires for the mini-usb here:
http://pinouts.ru/Slots/USB_pinout.shtml
Unfortunatly I don't know how to connet the 8 wires so I can make it in 4 wires (for the mini-usb).
I would appreciate a lot if someone could help me.
Thank you

not sure about what the 8pin include but it it's not usb signals then you cant
usb is both an electrical and digital protocol it's serial and 5volts signals
if a device is not made 100% to work with usb it will never work

HHmmm,
I have an audio cassette that has a normal audio jack. I bought an adaptor that switches from audio jack to mini-usb and it worked.
Why woulden't this work ? The mini-usb will send audio to the speakers. It must work, but I need a color scheme for the above cable, or some other methods to do what I need.
I don't want to re-cable my entire car just becouse I can't modify a cable

no htc device ever had miniUSB
no miniUSb device ever carried analog audio
htc devices use extUSB which is miniUSB with extre connectors which carry normal analog
signals like one find in 3.5mm minijack connectors
if you get a extusb connector which got a mini jack 3.5mm in the other end you can
connect any audio souse to that and it will play like a htc headset
but it have nothing to do with usb

I appologise here,
You are correct . Let me explain better.
I have an adapter that connects to my HTC phone and sends out 3 outputs :
-mini-usb
-the other usb you sayed about
-normal audio jack .
I need to connect 1 of those 3 outputs with the car cable (I sowed you in the PIC).
Here is a detailed pic
www.sodevrom.net/ineed.jpg
Thanx

that pic made me actually "lol" i like how it has random pictures to generalize what you are describing
Why do you want it to go through the Phone cord? why not directly into 3.5mm and into your car deck which then feeds it to the speakers?

That would be perfect, I thought that it's easyer to make it go through the cord.
Can you tell me a good solution on how to connect the phone directly ? Should I take out my cassette player (yea, it's old) and get the wires of the speakers ?
And also the cable that connects to my phone has 4 wires :
white, green, red, black.
Should I connect all this 4 wires or only 2 ? And if only 2 , wich ones
Thanx

2 wires are used for audio and one for ground. im not sure what the forth wire is.
I would not suggest directly connecting to your speaker wires, you wouldnt have an amplifier to boost the sound and it would come in very quiet

Hmmm... Than where should I connect it than ?
Sorry for all the questions, and thak you for the help.
Also, I think that the wires I have to connect are White and Green, right ?
http://pinouts.ru/Slots/USB_pinout.shtml
Thanx

sodevrom said:
Hmmm... Than where should I connect it than ?
Sorry for all the questions, and thak you for the help.
Also, I think that the wires I have to connect are White and Green, right ?
http://pinouts.ru/Slots/USB_pinout.shtml
Thanx
Click to expand...
Click to collapse
HTC uses extUSB, which is not defined on that link of yours

this is the pinout of extUSB
http://www.tracyandmatt.co.uk/blogs/index.php/2006/09/10/htc_hermes_usb_connector_pin_config

I understand this, but I want to know where to connect the right wires to the car.
I have a cassette player in my car, and I am sure it's possible to open the player and connect the htc wires.

it is possible to by a casset with a wire on the end of it to connect to something such as a cd player or mp3 player....
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you could connect this to your extusb to headphone jack. this would allow for you to play your sound through the car AND it to be amplified through the "radio" on the car....
is this what you are asking for or are you wanting a mic also?
If you are wanting a mic you are going to have to go blue tooth.
Edit: one more thing..... if you go messing with the wires of this you can mess up the computer in your car because of security precautions of manufactures.... so if your car is newer, be careful and check things out before you go splicing things

microUSB to audio ? (+ power source?)

Hello friends, I was a previous owner of the Galaxy S1 which had an incredible placement of the 3.5mm and the power connection
Basically when I use my phone on the car, I used to connect both cables on the same side of the phone and I would get audio on my stereo system while charging the phone (I used a normal dock to hold my phone)
But now with the GS2 I have a huge problem. The Micro-USB connection is at the bottom and the 3.5mm is at the top... This creates a huge problem for me at my car so...
I'm looking for a Micro-USB adapter that gives me both audio and another microUSB slot (So I can power my phone)
Does such thing exist or is it only possible to have one of them? Not both?
I also thought about buying the Desk dock and finding a place to fit it to my car, but that's very troublesome because the official GalaxyS2 dock is expensive and huge...

Just thought about this. Would a Micro-USB splitter work ? On the split connections I would connect the power and the Micro-USB to 3.5mm adapter
I also found this from Palm
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But it's discontinued

The official car dock has usb power and audio out via the micro usb port. It works brilliantly.

rob_h said:
The official car dock has usb power and audio out via the micro usb port. It works brilliantly.
Click to expand...
Click to collapse
But it's too expensive I think...
It has to be mounted on the windshield right?

I would love to find out about this as well, but I seriously doubt any good solution exists besides the stock dock.
Sent from my GT-I9100 using XDA Premium App

Arkanius said:
But it's too expensive I think...
It has to be mounted on the windshield right?
Click to expand...
Click to collapse
It's £34 but worth it IMO. Any reason why you don't want a screen mount? I have mine right at the bottom of the screen and it's never come off and is quite discreet.

rob_h said:
It's £34 but worth it IMO. Any reason why you don't want a screen mount? I have mine right at the bottom of the screen and it's never come off and is quite discreet.
Click to expand...
Click to collapse
Destroys some of the aesthetic of the car. I have a MINI Cooper and the holder I used was on the cupholder down by the Gear knob. All the cables were hidden and right by hand.
I'll try the Car dock since it has both charging and audio sources... But I think the cheaper solution would be the mini USB splitter.
I'll try both.

I'm interested in this too!

You need a micro usb connector.
Pin 1 connect to +5V
Pin 2 + 3 connect to audio l + r, Ground to Pin 5
Pin 4 connect to Pin 5 via 620k Ohm Resistor -> this triggers Car dock mode
Pin 5 connect to Ground
Go to Settings/Dock Settings/Audio-Output-mode
Pin 1 is right when the connector is in the SGS II and the screen is visible.
Voila, ALexander

This is also interesting to me.
I currently have a HTC Desire HD, and it does'nt send audio out via microUSB, so in the car I have a passive holder and connect a 3.5mm and a microUSB to charge and play music at the same time.
Anyway, I'm soon getting a Galaxy S II from work, and was wondering about the audio out and charging.
My car has an USB input, does the SGS both charge and output audio at the same time via the microUSB port? (My old Desire did )

If you feel like soldering:
http://forum.xda-developers.com/showthread.php?t=1321491

The official car dock has a screw connection for the cradle to attach to the suction mount so you could take it off.
IMO it is a great piece of kit and holds the phone securely even with the extended battery.

I bought the original samsung car dock but I'm having some issues:
- If I plug the USB directly to the car stereo USB port, the USB is not mounted.
- If I receive a call, the audio do not output from dock audio-out. If i plug the audio cable to the cell audio out, I can hear the call from car speakers, but not if plugged directly to car dock audio-out. Btw, if no audio cable is plugged, I can hear the call from SGS2 internal speakers.
Does anyone can help me?

1. i think the micro usb port is only for charge, not data...
2. this is the normal behavior of this car kit....ask to samsung why didn't make audio calls going out through usb connector. As this is about software maybe can be forced in some way by a modded kernel, but i couldn't find anything around...

Phone calls work through my car - via the micro usb.
It depends on the kernel you are using.
I use westcrip 8.6 ics rom - everything works fine.

I'm using CheckROM... it even if I use a specific APK I was unable to reproduce the sound through the dock audio-out.
Anyway, I can't belive that USB plug cannot mount. If I use a normal cable I'm able to mount, but with the dock I can't.

lar1r said:
Phone calls work through my car - via the micro usb.
It depends on the kernel you are using.
I use westcrip 8.6 ics rom - everything works fine.
Click to expand...
Click to collapse
Are the call working on stock ics too? What is your kernel?
edit:
i'm trying to make a bit of order on audio out/calls using car dock, take a look here
http://forum.xda-developers.com/showthread.php?t=1531483
Inviato dal mio GT-I9100 usando Tapatalk

This cable offers one solution, providing an adapter to iFern docking speakers.
I'd like a microUSB speaker dock though.

Looks like Philips Fidelio is an option.

Car dock phone audio

Hey guys, I've searched extensively for this but I really need a mod/app/kernel / rom that will allow phone call audio out on the original samsung car dock. Music works fine and it's loud and clear on car stereo but phone calls just get routed to phones own loudspeaker.
The Dock plugs into phone via micro usb then you plug in a 3.5mm headphone jack and separate charging cable into the dock itself
Any help would be really appreciated!
Sent from my GT-I9100 using XDA App

A mechanical alternative might be to get an audio jack splitter and a 3.5mm to 3.5mm cable, then plug that into the top of the phone and the other end into the splitter, which then goes into the dock with the one spare female jack being for a cable to the car audio input. No clue if that will work though, but in theory...

Cptnodegard said:
A mechanical alternative might be to get an audio jack splitter and a 3.5mm to 3.5mm cable, then plug that into the top of the phone and the other end into the splitter, which then goes into the dock with the one spare female jack being for a cable to the car audio input. No clue if that will work though, but in theory...
Click to expand...
Click to collapse
That's a good idea but liked the fact the dock is pretty hassle free. Just pop the phone in and everything is connected. Anyone have any other solutions or links to custom ROMs that have sorted this issue?
Sent from my GT-I9100 using XDA App

Cptnodegard said:
A mechanical alternative might be to get an audio jack splitter and a 3.5mm to 3.5mm cable, then plug that into the top of the phone and the other end into the splitter, which then goes into the dock with the one spare female jack being for a cable to the car audio input. No clue if that will work though, but in theory...
Click to expand...
Click to collapse
An audio splitter splits the audio, it does not combine it. What you want is a mixer, which is a different product (and usually much more expensive). A mixer is designed to attenuate the signal from the two inputs so that the combined output doesn't overload the speakers.
So in theory, it would not work. But in practice you might be able to get away with it as long as you don't try to use both phone outputs at the same time. But if you care about the speakers on your car, I wouldn't risk it.
To the OP, I think the phone will send both music and calls over Bluetooth, so you might look into a Bluetooth adapter for your car as a possible solution. Something like this: http://www.amazon.com/Britelink-Bluetooth-Audio-Receiver-Portable/dp/B0059M4G9K

Thanks for the advice!
Sent from my GT-I9100 using XDA App

claimui said:
An audio splitter splits the audio, it does not combine it. What you want is a mixer, which is a different product (and usually much more expensive). A mixer is designed to attenuate the signal from the two inputs so that the combined output doesn't overload the speakers.
So in theory, it would not work. But in practice you might be able to get away with it as long as you don't try to use both phone outputs at the same time. But if you care about the speakers on your car, I wouldn't risk it.
To the OP, I think the phone will send both music and calls over Bluetooth, so you might look into a Bluetooth adapter for your car as a possible solution. Something like this: http://www.amazon.com/Britelink-Bluetooth-Audio-Receiver-Portable/dp/B0059M4G9K
Click to expand...
Click to collapse
I know what you mean, but I don't think adding dual inputs to the line-in would in any way affect the actual speakers. I've used this method on various gear before and the result varies. Sometimes they mix fine, sometimes one signals essentially mutes the other.
A simple solution guaranteed to work however is to make a splitter that has a switch. More cumbersome, but it would allow you to manually switch from one input to the other when a call comes in.

surely it would be a quick coding hack to a ROM which would allow phone audio to be routed through the dock, after all that is what happens to music and GPS instructions... so why not phone audio!?

From the description of the Galaxy Dock Sound Redirector market app
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I suggest emailing the dev and asking which ones

I'm using CheckROM and I tried to use the Galaxy Dock Sound Redirector but it was unsuccessful. Maybe with samsung stock ROM?! Have anyone tried this!?

i read someone had luck on resurrection ics rom...but not the last release...

maybe you'd be interested on this thread....
http://forum.xda-developers.com/showthread.php?t=1531483

Try westcrip 8.6 ics resurrection ROM.
Works for me with phone and music through car speakers.
Please report back your findings (I am wondering if there is something else to this)
Note: I am sure it has to do with the kernel used.
Thx

I tried dock sound with GB 2.3.6 and works fine.
I think there's no suport for this dock with CM(7 or 9)

Does this type of cable exist for the SGS3 phone?

I'm coming over from an iphone for which I have this cable.
http://www.amazon.com/Black-Cable-3-5mm-Charger-iPhone/dp/B00509DPRQ/ref=pd_cp_cps_1
It has the standard iphone connector on one end, then the other end has both a usb and aux. This lets me connect just one cable to the phone, then on the other end I plug the usb into my car's usb plug and the aux into the aux jack.
Basically with one cable going to the phone I can charge it and get audio through the car stereo.
Does the same thing exist for the S3?

In the setup you described you would need at least two connections one to charge and one to transmit audio
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One option?
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+
+

BonesHopkins said:
I'm coming over from an iphone for which I have this cable.
http://www.amazon.com/Black-Cable-3-5mm-Charger-iPhone/dp/B00509DPRQ/ref=pd_cp_cps_1
It has the standard iphone connector on one end, then the other end has both a usb and aux. This lets me connect just one cable to the phone, then on the other end I plug the usb into my car's usb plug and the aux into the aux jack.
Basically with one cable going to the phone I can charge it and get audio through the car stereo.
Does the same thing exist for the S3?
Click to expand...
Click to collapse
The difference is that the iPhone transmits standard stereo audio over the iphone connector, so a Y cable works for this. Since you don't get audio over the USB connector on the SG3 this sort of cable would not make sense.

BonesHopkins said:
Basically with one cable going to the phone I can charge it and get audio through the car stereo.
Does the same thing exist for the S3?
Click to expand...
Click to collapse
You should look into the Samsung Infuse 4G car dock. There is a thread discussing it but I can't post links yet. It works perfectly with the S3 from what I gather. The dock itself has an audio out that u can use for your car.

muicha said:
You should look into the Samsung Infuse 4G car dock. There is a thread discussing it but I can't post links yet. It works perfectly with the S3 from what I gather. The dock itself has an audio out that u can use for your car.
Click to expand...
Click to collapse
You can also use it as a home dock.

I recently started developing cables for the exact same purpose (Micro USB to audio out+charging)
I will be constructing and selling around 10 of these cables . Please email me or PM me on [email protected] if interested.
I can sell it to you via eBay and also use Paypal.

BonesHopkins said:
I'm coming over from an iphone for which I have this cable.
http://www.amazon.com/Black-Cable-3-5mm-Charger-iPhone/dp/B00509DPRQ/ref=pd_cp_cps_1
It has the standard iphone connector on one end, then the other end has both a usb and aux. This lets me connect just one cable to the phone, then on the other end I plug the usb into my car's usb plug and the aux into the aux jack.
Basically with one cable going to the phone I can charge it and get audio through the car stereo.
Does the same thing exist for the S3?
Click to expand...
Click to collapse
Maybe i'm not understanding what's going on here but i'm wondering why you'd need to plug your aux jack in if your car has a usb port?

BakaNeko59 said:
Since you don't get audio over the USB connector on the SG3 this sort of cable would not make sense.
Click to expand...
Click to collapse
Are you sure of that?

Gadgetz said:
Maybe i'm not understanding what's going on here but i'm wondering why you'd need to plug your aux jack in if your car has a usb port?
Click to expand...
Click to collapse
Because if you can only charge via USB. I have USB charger and aux-in for car stereo. I have tested infuse dock but that sound quality was poor and like a flat because bass was missing. I did't found program what only modified EQ when phone is in dock-mode. But i am not sure if this cable situation any better because i asked mrushabh that when plug that cable on the phone it is going to dock-mode.

perusmuro said:
Because if you can only charge via USB. I have USB charger and aux-in for car stereo. I have tested infuse dock but that sound quality was poor and like a flat because bass was missing. I did't found program what only modified EQ when phone is in dock-mode. But i am not sure if this cable situation any better because i asked mrushabh that when plug that cable on the phone it is going to dock-mode.
Click to expand...
Click to collapse
Not entirely true. I have a Hyundai Sonata, and my car can also scan the SD (or internal memory) for music files and play them, allowing me to navigate via the radio.
Unfortunately, it does not allow things like Tune In Radio to work, so I have to use an AUX jack anyway.
It's really too bad, and its definitely one thing Apple did right. The USB in these phones should be able to transmit audio. There shouldn't be any technical reason why it can't, it's just USB, and USB transfers audio all the time. I guess the problem would be having car stereos that would support it.

Perhaps I generalized too much. I have only aux in, and seperate usb-charger.

perusmuro said:
Perhaps I generalized too much. I have only aux in, and seperate usb-charger.
Click to expand...
Click to collapse
Alright, makes sense now. I wish somebody would make an LOD cable for this phone, with a micro usb port on it to allow charging at the same time.....Superior SQ with the ability to charge at the same time.

perusmuro said:
Perhaps I generalized too much. I have only aux in, and seperate usb-charger.
Click to expand...
Click to collapse
Samsung Infuse 4G Car Dock.
http://forum.xda-developers.com/show....php?t=1725013
http://www.att.com/shop/wireless/acc...id=NZVl--1A8DA
that gives you charge, and sound, and mount.

scarrmrcc said:
Samsung Infuse 4G Car Dock.
http://forum.xda-developers.com/show....php?t=1725013
http://www.att.com/shop/wireless/acc...id=NZVl--1A8DA
that gives you charge, and sound, and mount.
Click to expand...
Click to collapse
I have tested that dock but sound quality was poor and i didn't find any software what automatically but correct EQ when phone is in dock mode.
Gadgetz said:
Alright, makes sense now. I wish somebody would make an LOD cable for this phone, with a micro usb port on it to allow charging at the same time.....Superior SQ with the ability to charge at the same time.
Click to expand...
Click to collapse
If you mean this kind of cable: http://technophilics.com/store/index.php?route=product/product&path=18_46&product_id=53
http://forum.xda-developers.com/showthread.php?t=1321491
I ordered from him http://forum.xda-developers.com/showpost.php?p=29505247&postcount=7 one cable for test.

Odd car audio problem I've seen no duplication of...

I'm using the AT&T Galaxy SIII Pebble Blue 16 GB.
I searched high and low for a thread about this issue but I haven't seen one. Hopefully someone will embarrass me and bring one to light!
Maybe its just the make of my car (08 Saab 9-3 but the head unit is pretty standard across a few GM products), but getting car audio (Using Aux in) to work in this car is very flaky and unreliable. If I plug both ends in directly and try to play the "Earphones connected" message never pops up. The moment i remove the cable from the head unit the ear phones connected pops up. Plug it back in to the car, it goes away and still no audio.
The work around is very annoying. I have the unplug it from the car and press play on Spotify, then plug it in hoping that it will work. It does sometimes... but after I get it plugged in if I receive a text or phone call it will immediately cut out the audio from the car and replace it with a periodic crackling sound. My old iPhone, iPod touch, and Galaxy SII do not have this problem. My friends brand new Galaxy SIII is having the exact same issue.
If ANYONE knows of this issue any help you can provide will be much appreciated.

Brandnew70x7 said:
I'm using the AT&T Galaxy SIII Pebble Blue 16 GB.
I searched high and low for a thread about this issue but I haven't seen one. Hopefully someone will embarrass me and bring one to light!
Maybe its just the make of my car (08 Saab 9-3 but the head unit is pretty standard across a few GM products), but getting car audio (Using Aux in) to work in this car is very flaky and unreliable. If I plug both ends in directly and try to play the "Earphones connected" message never pops up. The moment i remove the cable from the head unit the ear phones connected pops up. Plug it back in to the car, it goes away and still no audio.
The work around is very annoying. I have the unplug it from the car and press play on Spotify, then plug it in hoping that it will work. It does sometimes... but after I get it plugged in if I receive a text or phone call it will immediately cut out the audio from the car and replace it with a periodic crackling sound. My old iPhone, iPod touch, and Galaxy SII do not have this problem. My friends brand new Galaxy SIII is having the exact same issue.
If ANYONE knows of this issue any help you can provide will be much appreciated.
Click to expand...
Click to collapse
Am I really the only one?

Brandnew70x7 said:
Am I really the only one?
Click to expand...
Click to collapse
I haven't had this issue with my 2007 Chevy Cobalt, which seems to have a VERRRRYYYY similar stereo...
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vs
yours=first, mine=second (and my display looks exactly like yours)
But, mine does do one thing that really bothers me... as soon as I plug in the aux cable it automatically starts playing stuff (I think it's whatever the last thing I was playing). I'm not sure if this just happens in my car or in other places too. I just plugged in some headphones at my desk and it didn't do anything so I'm thinking it's the car. I'd ask if you have experienced this too, but it sounds like your problem would supersede mine.
(It also doesn't stop playing when I unplug the cable, which is really annoying, but that one I know is a TouchWiz thing. The problem I explained above I can't tell yet whether it's a TouchWiz "feature" or some sort of weird bug)

You'd be right..
I can "trick" it to work... which involves plugging the jack into the phone pressing play on Spotify then plugging it into the aux in on my car and it will work. Any stop in music playing (Like the end of a playlist) will disconnect it and any text or anything of that nature will too..
Its so annoying...

I have an '07 9-3 and have the same exact issue.Streaming music in my car is one of the main uses of my phone and the fact I cannot is a huge annoyance.
My thought on a way to "fix" this problem was to create a widget (perhaps using something like AnyCut) that switched the phone into earphones mode. The change into earphone mode is obviously normally done by a physical action (plugging something into the jack) but I was hoping there might be a manual way to do it. However my knowledge on the matter is very limited. My phone is rooted and I was searching databases using SQLite Editor for a variable to change to put it in earphones mode but was unable to find one. Does anyone know if this is even a viable way to do it and if so how to implement such an action?
Cheers,
Celtic Browncoat

I also have an 08 saab 9-3 and am having the same problem. It figures that the problem would only exist with a saab

Not sure if everyone has come up with a solution, but in my 2007 9-5, I found that grabbing an inline volume control from Radioshack fixed the issue. I plugged it in on the phone side and everything works as it did with my old Droid X.

pibbsman said:
Not sure if everyone has come up with a solution, but in my 2007 9-5, I found that grabbing an inline volume control from Radioshack fixed the issue. I plugged it in on the phone side and everything works as it did with my old Droid X.
Click to expand...
Click to collapse
Hey! I stumbled across this old post a few days ago, as I was looking for a solution to the exact same issue with my 2010 9-3/Samsung Galaxy S4. The inline volume control cable ($10 from RadioShack) fixed the issue for me as well. Thanks!