Trouble with wondefoo BMW e46 px6 unit powering on - MTCD Android Head Units General

Ok, so I’ve had this unit for maybe a year or so but contacted wondefoo because I found that my car battery was draining from constant power to the head unit. It’s difficult with the language barrier, but they told me to cut the red cable (this is my photo with their markup).
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I cut it, the unit doesn’t power up now. They said it was the canbus so I ordered another one of those…that hasn’t fixed it.
I’m not great at this stuff but any assistance would be appreciated.
They sent me this today. Neither of them look like my wiring loom and and it’s really grainy…I’m confused.

Check that (+12 always) and (acc) are actually correct in your head unit harness. They are likely swapped and incorrect.
Do you use canbus interface.
Also, details of headunit post Android system unit including mcu version.

Thanks for your response.
I asked a bunch of questions to the seller and they just said they’re going to send a new harness - I wonder if they can see that the one I got is not correct…
I’m using a canbus interface.
I don’t have the pin out for the canbus interface or the head unit so I can’t tell which wire is supposed to be where.
It’s running android 10. Seller: Wondefoo (AliExpress).
I’ll grab the version shortly.

Related

Damaged XTRONS TE706PL USB connector, anyone got a picture to match up the wires?

Hi guys,
I've got an XTRONS TE706PL. Unfortunately I've accidentally damaged one of its proprietary connectors namely the one connecting 2 USB ports and all 6 individual wires have fallen out of the connector.
Could anyone with the same unit kindly take a picture or two of the connector showing all wires so that I may rewire it myself? I've had a look around the internet, but unfortunately the pictures are too low in resolution to be able to tell.
Thanks in advance
TheHumanUser said:
Hi guys,
I've got an XTRONS TE706PL. Unfortunately I've accidentally damaged one of its proprietary connectors namely the one connecting 2 USB ports and all 6 individual wires have fallen out of the connector.
Could anyone with the same unit kindly take a picture or two of the connector showing all wires so that I may rewire it myself? I've had a look around the internet, but unfortunately the pictures are too low in resolution to be able to tell.
Thanks in advance
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Thank you very much. I had contacted XTRONS then and they were kind enough to send me a replacement cable free of charge. I was planning on updating this Thread and posting pictures of the new cable to help anyone else, but you have done that now. :good:

Erisin Android Mercedes w220, no backlight keys

Hi to all.
I have a problem with the Android radio for the Mercedes W220. Erisin company, motherboard KGL-6188-MAIN1-V8.2. The key backlight does not work.
The part that controls it is damaged. In the picture I have marked the red dot. Picture attached. Does anyone know what part this is? Only the DM inscription can be seen.
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DMB F7
Do any of you know what this element is? Pdf documentation for it?
elman2020 said:
Do any of you know what this element is? Pdf documentation for it?
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Do you resolve thi problem?
Yes, I fixed the radio. I fixed it differently. I connected the backlight diodes directly to the 5V stabilizer through a resistor. Works well.
i have the same problem on fiat bravo car stereo. the key illumination transisor has blown. you no longer read the code but it should be dmb f7. I can't find it for sale
This is some Chinese transistor, I also did not find a replacement, the marking says nothing. Do as I do, the solution is above.
Same situation here on a KLG-6188-MAIN1-V8.1 mainboard. I cleaned up all around burned area, a lot of components are missing. I am looking for the schema of the main board. Perhaps on russian forum I would find.
@elman2020 , could you post a picture of your fix or a schema please? thank you.

Board upgrade: PX3 MTCD KBT 2.61 (Eonon GA8166A)

Hi,
I posted this in the Android Auto General yesterday - but that might have been the wrong forum. Please forgive me for the doublepost.
I´m having issues with an old Eonon GA8166A unit in a BMW X5 E53 where the Bluetooth is very unstable (does not work when the unit is cold and only intermittent after multiple restarts when the unit is warm).
Since the unit is discontinued and out of warranty I´m wondering if it is possible to replace the motherboard and/or bluetooth module on this unit? I believe it is a px3 board with android 7.1.2 and MTCD KBT 2.61.
Maybe it is possible to upgrade to a newer board with better cpu/ram (maybe a PX6?) while still maintaining the integration with car system (canbus).
From other threads it appears a new firmware (MTCE KBT 3.3) is recommended before changing the board. I cant´t seem to find newer KBT firmwares though. I have browsed the Yandex disk but can´t find the KBT version.
Any help or suggestions for boards that will work for my unit would be greatly appreciated.
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Bluetooth not working: PX3, SD-968 BT, Android 7.1.2

Hi,
I have BT issues with an old PX3 unit running Android 7.1.2 with SD-968 BT adapter. The unit is an Eonon GA8166A installed in a BMW X5 E53.
When the unit is cold BT is not working. I have entered factory settings and set the BT adapter to WQ_BC8 according to instructions from Eonon. This works for a while after multiple resets if the unit is warm (after driving 10-15 minutes). However after leaving the car overnight the WQ_BC8 setting will reverted to the original settings and BT no longer works. Setting the BT adapter back to WQ_BC8 will not work again until the unit is warm. The list of paired BT devices is blank and the unit will not discover any nearby BT devices.
I have tried flashing the unit with a file provided by Eonon (Eonon_kbt2_PX3_7.1(20170830).rar) but that did not make any difference.
Other users have tried upgrading the PX3 to a PX5 but that did not make a difference. This seems to be temperature related - but I do not know which board or module to replace. After searching the forum I have not found any solution to this problem - despite the fact that many users seem to face the same issues.
Attached you will find photos of the board and software setup.
Any suggestions would be greatly appreciated. Thanks
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Android unit issues - px6?

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I recently got an android unit for my BMW X3.
Took a bit of figuring out how to connect it all as I purchased it off someone’s hands and it came with no instructions.
Finally managed to get the unit to power on but….that’s about it.
I believe the seller told me it’s px6 unit with 4gb or ram - 64
But looking in settings (see attached) I think it shows 2-32?
Issues I’m having are as follows:
- owner stated it has the apple car play however it only has the mirroring app that only displays grey screen with my iPhone 13
-thought of getting the usb apple CarPlay bundle but the usb cable - does not work. Tried it with charging cables, differently formatted usb sticks, nothing. No power comes through them + usb is greyed out in the settings on the unit.
-the Bluetooth of the unit is not working either. Keeps showing a screen saying “initialising……” seems like it’s stuck in an infinite loop.
-no sound coming through that unit either. Tried connecting the aux out to the oem console (there are 2 outs) none of them send any signal.
Is there any hope in here?

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