Re: Hisense 50P6
I have been in touch with Hisense via phone.
As advised by Diah, they asked for the serial number, my name, address, model number, email addy eyc.
They say it will take them 2-3 business days, as they send updates of firmware only of an AM.
So I will update everyone in about 5 days I guess, as the weekend is nearly here in Australia.
Thank you.
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Hisense 50P6
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Re: Hisense 50P6
OK...will ring them next business hours.....thanks
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Re: Hisense 50P6
who in urgent need to repair his Hisense ... need to call them... so thier understanding.
Call them and ready yours serial lable as printed on the back of the TV.
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Re: Hisense 50P6
Still no response from Hisense Australia re some firmware.
I have sent a second request.
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Re: Hisense 50P6
Originally posted by notallbad View Postyou may find the 17 blinks is normal and not an actual fault indication, assuming this is a smart tv.
Under normal operation when power is 1st applied it will prob flash 17 times, then after from stby will prob only flash once or twice.
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Re: Hisense 50P6
Possible I suppose, but seems excessive to me if it is a normal thing.
Cannot find any firmware for any Hisense TV on their Australian site, so I have sent an email to their support site asking them to provide me with a download or link to the firmware.
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Re: Hisense 50P6
you may find the 17 blinks is normal and not an actual fault indication, assuming this is a smart tv.
Under normal operation when power is 1st applied it will prob flash 17 times, then after from stby will prob only flash once or twice.Last edited by notallbad; 03-13-2023, 03:37 AM.
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Re: Hisense 50P6
if your heating process was correct.. then try to play with firmware... search for firmware dosnt matter which version.. vida U firmware can be downgrade or upgrade direct from USB at TV start up.
if you couldn't find on web.. call Hisense and ask them for firmware link... don't tell them about the lines you have... just say tv wont turn on 17 blink.
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Re: Hisense 50P6
Sorry for all the follow up posts...
I borrowed a heat gun and warmed the processor chip for 5 mins.
Nothing changed.
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Re: Hisense 50P6
How odd...I just found this in another thread...the 17 blinks...doesn't say anything about my vertical lines though.
https://www.badcaps.net/forum/showthread.php?t=84356
I also checked the voltage o the fuse of the tcon, and it is 12v both sides.Last edited by viewerau; 03-12-2023, 08:55 PM.
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Re: Hisense 50P6
I did not put the hairdryer on it yet, but just assembled it all back together again to see if it was the same after fiddling around.
Here is a link to a video of the vertical bars....dunno why I didn't think to do this in the first place?
https://imgur.com/a/lcEV1VM
Lastly, when now pressing the power button, the tv comes to the video shown, and just after the stripes arrive, the red light on the power switch blinks exactly 17 times until it stops. Tried it half a dozen times, and always the same blink pattern.
I looked up blinking lights on google, but found nothing on 17 blinks.
I did try the reset procedure of power off from wall, hold power button for 60 seconds, then power up, but all still the same.
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Re: Hisense 50P6
Lol, I've heard of toothpaste before but was too chicken to try it, probably best to use real thermal paste, pretty cheap to buy if you only need a little, I guess if the hairdryer can get up to about 230c, but I don't think they get anywhere near hot enough for a decent reflow but they are very handy for checking caps n such.Last edited by nomoresonys; 03-12-2023, 05:57 PM.
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Re: Hisense 50P6
Thanks for the link nomoresonys.
I also watched this video
https://www.youtube.com/watch?v=vFspA0c03tc
Do you think it is worth a go trying with the wife's hairdryer?
If I did try that, would I also, before fitting and seeing what happens, need to go to an electronic store and get some of that thermo paste first, as I don't have any.
Thanks
EDIT
What do you think as the alternative "pastes", just to check?
Ala
Instead, Nilsen set up his Innovatek Kühlertester KT-3 with a heat spreader and an Asus Triton 77 heatsink mounted on top of the CPU and proceeded to test toothpaste, yellow cheese, hair wax, moisturizing cream, butter, banana, and paper at intervals of 15 minutes under a 90-watt load.
The results will surprise you. In order from the most thermally conductive to the least:
Butter 53.2°C
Moisturizing cream 54°C
Hair wax 56°C
Toothpaste 1°C
Banana 58°C
Paper 67.2°C
Yellow cheese 67.9°C
Taken at face value, it appears that the butter and the moisturizing cream are the best short-term alternatives, but truthfully, both liquefied before the allotted 15-minute time frame came to a close. Considering that a motherboard sits beneath a CPU inside a computer, the liquefied oil runs the risk of spilling over onto underlying electronics.
The best alternatives turned out to be hair wax and toothpaste, which exhibited a relatively low temperature without completely drying out and cracking.Last edited by viewerau; 03-12-2023, 05:21 PM.
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Re: Hisense 50P6
You might have misunderstood, you don't need to remove the chip to try a diy reflow, do you have a halogen bulb laying around, can try with that, read the last few posts in this thread and check the videos if you like: https://www.badcaps.net/forum/showthread.php?t=106825
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Re: Hisense 50P6
Hi,
Many thanks again.
I don't have the expertise to remove it, as you rightly suggested.
I also don't have a hot air gun...you knew I'd say that too..
I will ask the owner what they want to do, as looking online here in Australia, about the only board I could see as a total replacement was this...
http://www.mxmee.com.au/index.php?ro...roduct_id=9579
They may well baulk at that price, especially as I cannot be dead certain this will fix it either.
May be their best option is the purchase of another tv?
It irks me that I see lots of people throw away tv's without even having a try to see the problem, but alas, every time I seem to try, I hit the magic wall.
Even in this old thread, with parts from exactly the same tv, I still got stumped...grr
https://www.badcaps.net/forum/showthread.php?t=95273
I thank everyone whom tries to help me here, and one day in the future, hopefully, I will resurrect something, rather than landfill it. Mind you, I will still need to come here for tuition!
Cheers all...and THANK YOU
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Re: Hisense 50P6
so its MT5658, the section of GPU in this CPU now had defect at core or BGA ( soldering point under the Chip) this repair level you can not to terminate it and solve it... replace MB are only Option for you... but if you wand to try to use oven or hot air gun to heat this Soc there are chance of less than 50% will work again in case we have BGA issue. as this Soc hat allot of small soldering joint point under it..
if you want to try heating you must first disconnected the socket which still on it.. then.. heat the oven to max temperature after it reach the max put the MB on the plate and close the door over for 15 minute. after that just turn off the oven and open the door... never never remove the boards until it cool down. then try.
if you have hot air gun with 350° or more... put the boards on the table and find some piece heavy weight to put it on the Chip. and start heating it ( only the chip. ) don't let the air heat the parts around it.. use this heat for 5 minute and leave it cool down and try.
that's all what i can offer LOLLast edited by Diah; 03-12-2023, 06:04 AM.
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Re: Hisense 50P6
questiones:
did you have sound when you turn on and the screen show the lines?
about cleaning the CPU use cloth and glass cleaner spray.. it will remove this white pasta. need to read the lable No of the Soc.
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Re: Hisense 50P6
Thanks for your tutoring.
I was able to remove the processor cover.
I have attached some photos of the front and back again of the processor area, but have not cleaned it, as all I have here is household products, and I am unsure what to use in case I damage something?
From untrained eyes, I see little discoloration on the back of the board where the processor sits, nothing evident even with that paste stuff still on there, and no burn type heat mark on the heat sink side facing the processor?
Any ideas on what I may do next?
Appreciating your input immensely ...thank you
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