[HELP] Weird S905 A95X box - No display but working

S905D, S905, S8xx Series and other box users can discuss here :)
Nayam
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#41

Meakai wrote: ↑Tue Mar 12, 2019 4:40 pm
Nayam wrote: ↑Mon Mar 11, 2019 10:19 am
Meakai wrote: ↑Sun Mar 10, 2019 9:30 pm

A matchstick! :grin:
I would never have thought of that :grinning:
Well 2 boxes ain't so bad.
What's wrong with the S905X? I am an expert at bricking. :grin:
My other s905x box has no processor πŸ˜‚ Can you help me put it back?πŸ˜‚
I was trying to take off the heatsink, it was glued to the processor, I tried taking it off and the heatsink along with the processor came offπŸ˜‚πŸ˜‚
Damn, that's really bad. :grimacing:
I wish we could sell it for parts, but... :))

Well now others will know that they will have to be extremely careful when playing around with the heatsinks on these things. I usually just slide a thin knife between the processor and heatsink, never applied heat to soften the glue. Next time I will try using a razor and a blow dryer.

Thanks for your experiments. :relaxed:
Yeah, I'm never touching a cpu again, they are too sensitive ':)
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My Devices:
X96 Mini, A95X Pro, H96 Pro Stick, A95X Max
cdien

#42

Meakai wrote: ↑Sat Mar 09, 2019 11:01 pm :grinning: I have an A95X 1g/8g that was giving the "no hdmi signal" issue. This happened after I removed the heatsink. I remember applying pressure to the processor got it working.
One night, out of sheer frustration, I slammed it down on a table so hard, it refused to come back on.
Never thought about keeping constant pressure on the processor though. :grimacing:

This sounds like the processor is not soldered properly and I wonder if a couple seconds in an oven would help. :thinking:
Not a couple second, more than that. But you have to heat the oven slowly and gradually. Check for reflow oven in google. I once tryed with a amlogic tablet and a oven toaster. It fixed my video output problem that likely had broken soldering point but burn the microphone diagrphram. It was ok with me since I prefered the hdmi output over the mic. But you want to do it with a toaster oven you wont use anymore for cooking because of the chemical released. The best it's still to use a hot air soldering station and only heat the needed part and protect the other parts. A lot of video tutorial on youtube that explain how to reflow a cpu on a laptop mobo (same process than for a tv box).
Meakai
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#43

Released chemicals?
Thanks for that info. I will keep that in mind.
Problem is the toaster oven costs more than the box and is a long way from being discarded. :grin:

What if the box is placed in sealed zip lock bag?
cdien

#44

You can give a try with a heat gun (used to stripped paint - maube your neighbor has one ). You can place an aluminium over your board with a hole exactly where you want to heat.

*** it is also important to put some flux over your chipset***
SMITTBAKRY
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#45

HI am new to Amlogic
i bought this my A95MAX 2018 its has never given me any issue.til i connect a wrong power adapter to it. a 12v dc. now stucked on red light. no damage on the board but stucked. After a lot of youtube vid, tutoria, etc i think i need to short pin on the board but i do not know which pin to attack :grimacing: any help please.
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em3ka
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#46

SMITTBAKRY wrote: ↑Mon May 24, 2021 11:24 am ...i bought this my A95MAX 2018.....
viewtopic.php?f=3&t=4143&p=18348&#p18344
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