Hi all.
I need some advice on the following. I purchased a JY-UL135N2 from you in March this year. The unit ran ok for the first few months the usual software instability but nothing too bad. I then upgraded to the September first software and that’s around the time the issues started. The unit would regularly freeze or not complete its boot-up cycle and reset itself to factory defaults.
Now I live in Melbourne Australia and it gets hot here and is very warm in the car. Reading about the cooling issues in the units I assumed heat must be a contributing factor. Sure enough CPUZ read the temps of all the CPU cores at 90 degrees Celsius when idle. Seeing this I powered down the unit removed it and left it on the work bench until I had time to add a cooling solution.
So eventually my order of Arctic silver thermal epoxy as well as my 120mm fan arrived. I had an old socket 478 intel cooler which I cut in half to use as a heatsink.
Before I go any further I must stress IT is my background and I have install and re-paired may devices in my time so I am not a novice at this.
Before I went to install it all I started the unit once more on the bench (wired correctly) and nothing. It would not start it was unresponsive with no sound, buttons lights off, black screen. I also tried it in the car and nothing. I can hear a power buzz from it but that is it. I put in a usb memory stick in the unit hoping it might go to recovery but the stick gets no power the unit is completely dead.
I have contacted Joying who have very kindly responded but it is a bit of over and back with trying things and the language barrier (I have requested a new motherboard which I can install but I am waiting on a response). I am happy to pay for the delivery which I know is their policy.
Now I think the motherboard is cooked. Could It be a cold solder issue (I am happy to fire up the rework station and try re solder it but where?. Advice please
Thanks
Zeroasylum
I installed one of these units in my Alfa 147 yesterday and am having a problem where it will boot from completely off most of the time. Occasionally it will boot from standby in around 3 seconds, but most of the time i have to sit through the entire boot from cold sequence.
I definitely have my ignition and constant wires the right way around, and I don't think it's a battery issue. I tested the voltage of the constant 12V and it only dipped to 10 or 11V when starting the engine. The problem also arises when just turning the key to the second position which rules out the starter motor bringing the voltage too low.
Any suggestions on how to fix this would be much appreciated.
Side note: the surround/bezel which came with the cage (from xtrons) doesn't fit over the head unit. Anyone else have this problem? It's pretty ugly having the cage exposed.
I have the same unit and I just installed it. I tried connecting by either switching A4 and A7 (my car is Peugeot 107 and this is how it should be, similar to your Alfa I believe), and without switching them, and it's the same. Also, I set the timeout on powering off when ACC is off to 10 minutes, but my head unit turns off immediately.
I've since figured out that in my case i was just expecting too much of it. I thought that it would stay in standby indefinitely as long as it had a power source. Turns out it will only stay in standby for as long as you set the ACC off timeout for, which is 1 hour maximum. I think this must be because it consumes too much power even in standby and would drain your car battery over night.
The way mine behaves now is that if i turn the ignition off it will go in to standby for one hour. During this hour it will turn back on within a couple of seconds when the ignition is turned back on. After that hour, it will need to boot from cold. This isn't actually too bad as it usually takes less than 10 seconds for a cold boot.
My main gripe with this unit now is how much the screen is recessed behind the bezel. Due to the angle it's at in my car this means that the bezel obstructs half of the notification bar when i'm sat in my natural driving position.
Actually, it turns out it works OK for me as well. I dropped the adapter that switches A4 and A7, and it works fine. It has it's flaws (today being a really sunny day, I wished display was a bit brighter), but it's a nice upgrade on my 2008 car stereo.
I know what you mean about the brightness. It's just about usable on a bright day though so not a deal breaker.
I can recommend the DVR019 dash cam if you don't have one by the way. Super cheap and easy to install - just requires USB connection to the head unit.
Let me know if you figure out anything useful about this unit.
Are you guys happy with the sound quality? I am looking into buying same unit.
Did you buy any special harness to connect to the car?
Set timeout to autosleep instead of timed, that way it'll always boot in seconds, mine starts instantly even two days later
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Mr.R™ said:
Set timeout to autosleep instead of timed, that way it'll always boot in seconds, mine starts instantly even two days later
Sent from my SM-G960F using Tapatalk
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Can you explain how to do that? I only have the option for 10 minutes, 30 minutes and 1 hr and it doesn't work on any
Xtrons Androind installing
Hi!
Did you get any answer or solutions to this, after all..? I have the same problem, and originally installed the car navigator to get powered from the ACC cable.
I didnt try this yet, but i bet to use the 10min / 30min / 1 hour switch off, the navigator should be wired to the yellow 12V cable to get continuos electricity, and not to the ACC cable, what gives eletricity ONLY when you turn on the car..
Of course without the turn off timer, it would drane out the whole battery.. I think 30min delay would be pretty cool, the time to go for examle to a store and come back, and find the android system still fast and rdy to go..
I’ve got a px5 unit using Hal9k android 8 and fcc launched and the last couple of weeks the unit has been restarting from cold every time I start the car even though I have the unit in sleep mode so it should wake up straight away.
Today my other half has messaged me to say the car isn’t starting so I’m assuming the battery is dead.
Does anyone think the behaviour of the android unit sounds like it’s draining the battery? Up until the last couple of weeks the unit worked fine and just woke from sleep every time I used the car.
I checked the cables behind the unit at the quadlock connector and everything and it all looked fine but my gut feeling is telling me the android unit is causing a drain.
Hi
I'm hoping someone can help me out. I have the above head unit in my car, and it works pretty well. But it boots from cold all the time. There is an inbuilt option where I can choose standby for 5, 10, 20, 30 and 60 minutes, which means if I return to my car within that time chosen my head unit comes on immediately, but it's maxed out at 60 mins, all other times it cold boots, and takes an age.
My last head unit in a different car did the same thing, found the remedy in switching the red and yellow wires. Worked perfectly. Tried that remedy with this head unit and it actually made it worse. Is still booting from cold, but now setting the standby time doesn't work at all. I can't take it back to the garage unitl next week..
So, Has anyone had any luck forcing it to go into standby? (I read someone had connected the red and yellow from the head unit to the red from the car. Not sure what this will do)
Thanks
T
I picked this head unit up and it works well when it works. It will work fine one day and then the next time I get in the truck it won't power on. I've found that if I pull the unit out, unplug the wiring harness and plug it back in it comes back to life. Last time I did this it hard reset and I lost all customization. I had the accessory turned on setting it back up. Turned the acc off, started the truck and it's dead again. Anyone have an idea why? Cheap Chinese torture device? Thanks!