Just got a PX6 RK3399 Android 10.0 Headunit, when left unplugged from the car for a while of time it will turn on and work correctly, but then goes back to the black screen after a reboot. By black screen, I mean the main display has no picture yet the backlight works. The buttons still make a beep sound but there is no sound otherwise when it's like this. I was able to see the head unit and touch screen still functions by plugging a monitor into the hdmi out on the stereo. I've tried factory resetting and used the RST button to get into recovery mode. The display is still black when in recovery mode.
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The chinese support people have just told me a bunch of bull**** like "Have you rebooted the device?" or have I made sure it's plugged in.
Any help would be greatly appriciated. Also depending on if there is no fix. Is this a common issue with the PX6/PX systems? Would it be a bad idea to return it and buy another PX6 just from a different brand?
Another weird thing, it says Android 11 in the settings/about on the device.
Typical poor QA. Send it back/dispute.
Is not common...A Dasaita guy has the same.issue like you.... Could be hardware issue?
Did you make an upgrade of the MCU before getting the black screen?
If no display is very difficult to go to solutions...
Happened to me. I pulled the fuse for a few seconds and reinserted it. The screen came back to life and I haven't had a repeat occurrence in several months
@Tommy141x A couple questions for you, how long have you had this unit? Did you run the brightness at 100% when screen was working?
Considering your post was from March, I presume you've had the unit past the return period. There is a known issue with SYGAV and Dasaita with the TFT board if you run brightness at 100%. I would think that SYGAV would send you a replacement TFT board if you still have this unit and still have problems. I had a similar issue with a Dasaita unit and they sent me a replacement TFT board and that fixed the issue.
ikerg said:
Is not common...A Dasaita guy has the same.issue like you.... Could be hardware issue?
Did you make an upgrade of the MCU before getting the black screen?
If no display is very difficult to go to solutions...
Click to expand...
Click to collapse
I have a similar problem with my px6 rk3399 from wondefoo. I installed by mistake the worng mcu file nad now I´m stucked with a black screen unit. But I get connected to it by USB and can get into recovery mode.
Is there any way to install the correct MCU file again? Thanks for your help.
Related
Hello,
I've had my desire for almost a year now, and it broke yesterday... I was playing with my 6-year old nephews, and my desire fell out of my pocket. I didn't know that it was broken until I wanted to check my whatsapp a few hours later, and when I did, the screen was like this:
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... (lol the image is way too big)The touchscreen is working fine, I can turn it on and unlock it, I can even send an whatsapp, because I knew where the icon was. So what should I do with it? Repair it if it's possible? How much would that cost? I now have an iPhone 3gs as stand-in, should I keep that for as long as my contract lasts (1 year)? Or should I buy a new one? If so, which one would you advise me? A cheap one please, as I want to save for the PS4 later this year.
I'm running Sandvolds ICS for those that want to know...
Thanks!
There's a possibility that the screen cable is slightly disconnected. Try to disassemble the phone, and check the cable.
Thanks for the reply, I'll give it a try
Edit: Yeah I tried to take it apart, seems I've got no T5 screwdriver at home... Basically, if I would take it apart I would have not any idea what te screen cable is... Is it the LCD connecter? I do know quite a bit about software and that sort of stuff, but I'm a n00b at replacing hardware :S
Timo221298 said:
Thanks for the reply, I'll give it a try
Edit: Yeah I tried to take it apart, seems I've got no T5 screwdriver at home... Basically, if I would take it apart I would have not any idea what te screen cable is... Is it the LCD connecter? I do know quite a bit about software and that sort of stuff, but I'm a n00b at replacing hardware :S
Click to expand...
Click to collapse
I had the exact same screen on my Desire :silly:
That screen is broken and you need to replace it. I would recomend a professional to do it because I tried to do it myself and I destroyed my phone. And the other thing if you decide to go on with replacement - Desire had two different screen types and every type had one or two subtypes which are NOT compatible with each other so you need to know exactly what type of screen you have
Hi guys,
Two weeks ago, I had broken my screen. I bought used screen and I go to the mobile service to replece broken screen. It's works two hours, after this time I started have problems with screen. When I wake up phone, it's works OK by 10-15 sec, after that time, on screen apears white or coloured stripes . Here is the photo which shows problem:
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Anyone have same problem or have any idea how I can solve it?
Hi,
I think it definitely bad connection between screen and motherboard:
badly installed (I mean someone who installed touched touchscreen connecting pins with fingers) ... or ... oxide on touchscreen connecting pins ... or ... possible water damaged used screen (seen one analog case).
It's any possibility to repair connection if screen it's OK?
Anyone know smoething about two types screens in G3?
It's similiar to that problem :https://www.youtube.com/watch?v=DI64Bcf8OiE
which it's solved by: http://forum.xda-developers.com/showpost.php?p=52414185&postcount=122
Maybe changing kernel/soft will solve problem?
Hi,
Actually about software side I dont believe. I hope this used one was exactly same, what you had before. If I remember right, then LG didnt made different screens for G3 different models.
I remember that G2 had many problems with white lines after drop or screen change. Fix was easy, to add metal tape at display connector to antenna. To understand better about what ia talk you must read this link.
Anyway, I sill think your problem is hardware problem if on start it works normally.
datas0ft said:
Hi,
I remember that G2 had many problems with white lines after drop or screen change. Fix was easy, to add metal tape at display connector to antenna. To understand better about what ia talk you must read ].
Anyway, I sill think your problem is hardware problem if on start it works normally.
Click to expand...
Click to collapse
In g3 it's any chance to solve that with metal tape? In g3 motherboard it's different so maybe tape can't help. Tomorrow I'll try one more time check lcd plug.
Hi,
I have a 10" 1-DIN Headunit with a PX5 Board from AndroidAutoShop. The headunit doesnt boot, only the buttons on the Touchscreen blinking one time, when power on.
It is 5 months old and AAS isnt replying the mails becaus of warranty.
I bought a Coreboard to check, if the px5 coreboard is the failed part.
In the headunit there is a hct-px5-rev 10(lpddr) and my spare part is a hct-px5-rev 4.0
the rev 4.0 has 4 pins missing. is it compatible or not?
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noools said:
Hi,
I have a 10" 1-DIN Headunit with a PX5 Board from AndroidAutoShop. The headunit doesnt boot, only the buttons on the Touchscreen blinking one time, when power on.
It is 5 months old and AAS isnt replying the mails becaus of warranty.
I bought a Coreboard to check, if the px5 coreboard is the failed part.
In the headunit there is a hct-px5-rev 10(lpddr) and my spare part is a hct-px5-rev 4.0
the rev 4.0 has 4 pins missing. is it compatible or not?
Click to expand...
Click to collapse
Yes, compatible.
Hello,
I have a Dasaita px5. I have a set of head rest monitors and wanted to know if there are any options on connecting the headrests to the headunit. The manufacturer simply told me to upgrade to px6. I bought this unit 7 months prior to the release of px6, so I'm not trying to upgrade just yet. Any suggestions would be awesome.
csmoore1 said:
Hello,
I have a Dasaita px5. I have a set of head rest monitors and wanted to know if there are any options on connecting the headrests to the headunit. The manufacturer simply told me to upgrade to px6. I bought this unit 7 months prior to the release of px6, so I'm not trying to upgrade just yet. Any suggestions would be awesome.
Click to expand...
Click to collapse
You might be best to not hijack a thread that has little relation to your question and post in q&a.
marchnz said:
Yes, compatible.
Click to expand...
Click to collapse
I replace the Coreboard and install Hal9k V4.0.2.
It is working, but there is no Sound from Mediaplayer, Radio, Spotify.
The key sounds are working with the speaker, but no music.
Is there a trick to activate the Sound?
Hi there,
I purchased a PX6 for my 2009 Honda Civic last June and I’ve been having issues ever since I bought it.
The screen is generally heavily distorted, making the graphics look washed out and strangely warped. Occasionally, it will correct itself and look normal but it usually takes a bit of warming up/driving to correct it. Audio through CarPlay will frequently stop playing which only returns when I switch to the radio for an extended period of time. My back camera is also intermittent.
I’m starting to think it may be a power issue? I’ve also noticed certain lights in my car often don’t light up. The gearstick, AC buttons etc. I tested the battery I installed in my car, which came to 12.86 volts. Since updating the HMC a couple days back, I noticed it now displays the battery output in the menu bar. In the image attached, it’s showing 14 volts in the menu bar and when the screen randomly works correctly, the voltage is at around 13 volts. However, this is not conclusive evidence - as I’ve only just updated the software.
If anyone could please advise, I’d greatly appreciate your help.
Thanks,
Danny.
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Can no one help me with this?
What happens if you turn the screen brightness down a little bit? Does adjusting brightness make the problem worse, or no change?
jlbooth said:
What happens if you turn the screen brightness down a little bit? Does adjusting brightness make the problem worse, or no change?
Click to expand...
Click to collapse
No changes at all. Exactly the same.
Have you contacted the seller or manufacturer? If it has never worked right, then I would be looking to replace. If it was purchased on Amazon, I'd suggest return or exchange. I know it's probably not the help you are looking for on the forum, sorry.
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hello everyone,as you can see on the photo I meet a screen quality problem with my PX5. I Ve tried successfully to change mcu program or rom but the problem remain. Could anyone help me ?.
Is it an MTCD device.
What does reseller suggest and what has been tried to solve the problem
marchnz said:
Is it an MTCD device.
What does reseller suggest and what has been tried to solve the problem
Click to expand...
Click to collapse
Yes it s a mtce unit.
I haven't ask to reseller he never answer and my unit is more than 2 years old ( no warranty)
chill013 said:
Yes it s a mtce unit.
I haven't ask to reseller he never answer and my unit is more than 2 years old ( no warranty)
Click to expand...
Click to collapse
What is the MCU type
It s XRC unit
as you can see my screen is really bad. If someone could have an idea.. it would be great
Replace acreen
Anyone can tel me where to find it?
coreboard problem; screen is ok
i have same on a px6
pakoner said:
coreboard problem; screen is ok
i have same on a px6
Click to expand...
Click to collapse
My crystal ball failed me
I also faced same kind of issue with PX5, I opened up the unit and re plugged all ribbon cables. but initially result was same, after few days screen goes back to original condition automatically and working fine now.
still unable to understand what exactly is the issue.
PX5 KLD Android 8.0 LCD Lines
hello, I have PX5 KLD 4GB + 32 GB android panel for Suzuki Swift, I bought in December 2018 and it was running fine till last month May 2022. One day in morning when I started the car and observed that white vertical lines appeared and within few...
forum.xda-developers.com
I have the exact same problem.
I think it is due to the heat during summer time.
same problem here, MTCE PX5, sometime it works perfect and sometime it gives such kind of lines
Send it baaaacccckkkkk