In the service manual for Galaxy S7 (SM-G930F), step number four in the flow chart for troubleshooting power-on issue is to check the voltage level of a "signal".
Check the signal of AP_PS_HOLD = 1.8V
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I had a very hard time locating this. I didn't understand what it means to check for voltage of something by its signal name, and it's location was not described in the service manual (not that I could see in my four chapter excerpt of the complete manual). Then I learned that this signal name needs to be translated into a test point (TP) ID on the board. This is unlikely to be referenced in a service manual. So unless you have circuit diagrams for the phone, you will have a very hard time knowing what signal name translates to what test point on the board.
In my search for a test point for this signal, I have found where it's located on the Galaxy S2 (GT-I9100).
This is where it's at on Galaxy S2:
I think I have located a test point for it on the Galaxy S7 Edge (SM-G935F) and the Galaxy S7 (SM-G930F) as well, but I'm not sure if I have the right idea on how to probe it.
This is where it's at on Galaxy S7:
This is where it's at on Galaxy S7 Edge:
Can someone confirm please? Is TP7002 the test point for AP_PS_HOLD on Galaxy S7? As you can see, on the Galaxy S2, the test point looks like a proper test point, in the form of a copper contact pad. But on Galaxy S7 and Galaxy S7 Edge, it looks like it's protected by a layer of paint/coat, if it is a test point at all. So I'm thinking about scratching or scraping that layer off so I can get down to the copper. Is that the right idea here? I have never seen a test point looking like this, and I know what a test point usually looks like. @Renate I would appreciate advice on this.
I could not find a good picture of the Galaxy S7 Edge board. And I only assume that TP7002 serves the same purpose on the regular Galaxy S7. I don't know this for a fact. I don't know most of these things for a fact. Also, if it says to "check the signal", does it mean to use an oscilloscope? If it needs to be a steady 1.8 V, can I not check it with a multimeter? I don't need to see what the signal looks like?
My source for Galaxy S2 test point:
Samsung S2 (GT-I9100) Fehlersuche mit Servicemanual
Hallo, ich versuche eine Galaxy S2 Hauptplatine nach der Fehlersuch-Anleitung im Servicemanual zu reparieren. Ich scheitere aber schon bei diesem Test: Check the U501 output signal (AP_PS_HOLD(TP) >2.8V) (TP) ist wohl ein Testpunkt? Ist aber nirgends zu finden. Wo kann ich dieses Signal sonst...
www.android-hilfe.de
My source for Galaxy S7 Edge test point:
Samsung S7 SM-G935F, AP_PS_HOLD - GSM-Forum
Hello. I have a Samsung S7 which cannot start. accordingly to the repair guides I should check R7027 and AP_PS_HOLD. R7027 voltage is high when start
forum.gsmhosting.com
Image source for Galaxy S2:
Samsung Galaxy S 2 (International) Review - The Best, Redefined
www.anandtech.com
Image source for Galaxy S7:
Own work.
Diagrams with annotations:
Own work based on service manuals.
Related
The Korean times rumoured that the Galaxy Note III will feature a huge 5.9” display! The current Galaxy Note II has a 5.55″ display. If this rumour is true Samsung will introduce their first 5.9” display smartphone at IFA 2013 as expected. The Galaxy Note III will have an AMOLED display and mostly sure the new octa-core processor by Samsung. We are not totally sure if this rumour is true what we do know is Samsung will make smartphones with bigger screens. SamMobile even reported about the GT-I9205 Galaxy Fonblet 6.3 with a 6.3” screen and the GT-I9150 Galaxy Fonblet 5.8 with 5.8” display.
Episode II is mostly the Galaxy Note III
Episode I is the Galaxy S IV.
Samsung’s flagship model the Galaxy S IV will be unveiled by Samsung at March 14th in New York City. The Galaxy S IV is rumoured to feature an Exynos 5 Octa (8-Core) CPU, PowerVR SGX 544MP GPU, 4.99″ SuperAMOLED Full HD Resolution Display, 2GB of RAM, 13 Megapixel Rear facing Camera capable of shooting 1080p Full HD Videos at 30FPS, 2 Megapixel front facing camera capable of shooting 720p HD Videos and run Android 4.2.2 Jelly Bean out of the box.
Source Samfirmware.com
http://www.sammobile.com/2013/03/06/korean-times-galaxy-note-iii-to-have-a-5-9-display/
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the girls expect a lot when you wear that in your trouser pocket....
I believe the s iv has an IPS screen as Samsung had issues with full HD amoled? The note 3 makes me happy in my pants!
Sent from my GT-N7000 using Tapatalk 2
eybee1970 said:
the girls expect a lot when you wear that in your trouser pocket....
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I'll say: This in my hand is my phone (Note III)... in my pocket is what you really enjoy!
Then i take out the Galaxy SIV LOOOOL
zylor said:
I'll say: This in my hand is my phone (Note III)... in my pocket is what you really enjoy!
Then i take out the Galaxy SIV LOOOOL
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Removed
asf58967 said:
Removed
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awesome, hope it will have some flexscreen capabilities
I love the future mobiles video on samsung
This is our first paid applications, what i want is to tell me how does it looks like, does it work well on low devices(if you have any)
And the most, if you like it, if yes, we will make more.
Link (there is free version too, try it before you buy it)
https://play.google.com/store/apps/details?id=com.tepeshakcode.asteroids
IMG
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Ever heard about Asteroid Apophis?
It's a destructive asteroid that might hit earth in 2029 or 2036.
But don't be afraid, you can just put it into your pocket!
Asteroid Apophis vs. Galaxy and Nebulas is an amazing, true 3D, live wallpaper.
Outstanding 3D effects and many options let you customize this high quality Asteroid and Galaxy to be just you want to see on your home screen, similar to Galactic Core or Galaxy Sets.
Features
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-Colorful Nebulas
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-No Battery Drain
-Lots of settings
THIS APPLICATION REQUIRES NO SPECIAL PERMISSIONS TO RUN.
This wallpaper is intended for use on high end devices. Older devices may experience poor performance.
If you have any problems please contact us, our goal is for our live wallpapers to work on as many devices as posisble.
Works flawlessy on devices(tested):
- Samsung Galaxy S1
- Samsung Galaxy S2
- Samsung Galaxy S3
- Samsung Ace 2
- Samsung Galaxy Nexus
- Samsung Galaxy S
- LG Nexus 4
- Asus Nexus 7
- Samsung Galaxy Tab 10.1
- Samsung Galaxy Tab 2
- Samsung Galaxy Tab 7
- Samsung Galaxy Note 10.1
- Samsung Galaxy Note
- Samsung Galaxy Note 2
- Nexus 10
- LG L9 (LG P760)
- LG L5
- LG L3
- HTC EVO 4G
- HTC One X
- HTC One V
- Sony Xperia Miro
- Sony Xperia Arc S
Just updated
v1.1
-Increased Galaxy Quality
-Increased Preformance(more calculation on GPU instead of CPU)
Again incresed preformance and fixed tint, now on low devices will be smooth too.
Hi,
I had 2016 gear vr to work with my note 7, I've now got the note 8 and found sadly that it doesn't fit the 2016 model. I've got a suspicion that I have been brought the 2017 S8/S8+ model for christmas but concerned if that is the case that the note 8 still wouldn't fit. It's annoying that there is no definite information. If you look on amazon at the model number Samsung SM-R324NZAABTU it states that it will not work with the note 8 but then if you check samsungs website around half way down the page it says "*Gear VR with Controller requires Samsung Galaxy Note8, S8, S8+, S7, S7 edge, Note5, S6, S6 or S6 edge+ to operate" but doesn't specifically say whether it would fit or not.
Could Someone please confirm if it actually fits properly in the 2017 gear vr or if it is no different to the 2016 model? I'm aware other posts have covered this topic just want further clarification.
mikesaa309 said:
Hi,
I had 2016 gear vr to work with my note 7, I've now got the note 8 and found sadly that it doesn't fit the 2016 model. I've got a suspicion that I have been brought the 2017 S8/S8+ model for christmas but concerned if that is the case that the note 8 still wouldn't fit. It's annoying that there is no definite information. If you look on amazon at the model number Samsung SM-R324NZAABTU it states that it will not work with the note 8 but then if you check samsungs website around half way down the page it says "*Gear VR with Controller requires Samsung Galaxy Note8, S8, S8+, S7, S7 edge, Note5, S6, S6 or S6 edge+ to operate" but doesn't specifically say whether it would fit or not.
Could Someone please confirm if it actually fits properly in the 2017 gear vr or if it is no different to the 2016 model? I'm aware other posts have covered this topic just want further clarification.
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Click to collapse
"SM-R325" is compatible with the Note8
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I have the note 7 vr and the only thing that makes the note 8 not fit is the connection port which can be changed as note 7 and note 5 use different usb ports.
The usb c port is a tiny bit too narrow as it was made for note 7 fit which means that the note 7 was slimmer then note 8.
If it is possible to get the port made for note 8 separate instead of having to buy full vr set.
Or maybe Samsung thinks that all civilians have money trees growing in their back yards and therefore can afford to spend money each year to buy extras that should have been able to carry on from previous models...
Sent from my SM-N950F using XDA-Developers Legacy app
S8 version works fine with my note 8 ?
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Hello!
I am using a SAMSUNG GALAXY NOTE 8 Exynos Version 64 gb SM-N950F running on 1 October security patch.
I am waiting for a fix but nothing seems to be fixed.
To explain Black crush in few words: Area with Black pixel where it should show shadow gradient.
Colour Banding:
Gradient colour are not transforming smoothly into another one.
My phone's screen is ridiculously bad to even look at after this. Because let me get straight i bought this to see beautiful AMOLED screen; not to see this bloched screen.
Anyone facing this issue please comment below as it will be helpful.
And please note that a screenshot will not identify this problem as other display's on earth are perfect. So you have to take photo with a camera of your NOTE 8.
I have attached some photos with links to explain it better. This is happening as well as with gradient wallpapers but i can't get focus even on my crappy G5 plus camera.And looks so much worse in real world.
Test photos here - https://bit.ly/2RfLbLT ( Alternative link https://photos.google.com/share/AF1QipO0zvyel79IHoE-lvtmTW-yeJDUFIGgLQhAvQLNAGHNMfqegy16G0_a9jE7dHli...
How it look on Moto G5 Plus- https://bit.ly/34KKnmr (Alternative link https://photos.google.com/share/AF1QipOy7KVs-vZxqK-MsZxVQtYfAYv7JIphgfd955cnOT1Q4lMVcmMXC4jQh7_dYjGD...
(Taken with SN8 camera)
How it looks on my SAMSUNG GALAXY NOTE 8- https://bit.ly/2r07o6g ( Alternative link https://photos.google.com/share/AF1QipN6S3oEUZK9jddgQFkI5HD235VYPVMksOAsGLSBOchtVnitYs8IddjE0YVWYKx4...
(Taken with Moto G5 Plus camera)
Here is a link from a XDA thread to show how bad it looks and what is exactly happening here.The post is by GALAXY s9 user which is exact same problem for my GALAXY NOTE 8 now...Weird!
https://forum.xda-developers.com/galaxy-note-8/help/crazy-color-banding-black-crush-t3904539/amp/
Thanks to SAMSUNG Customer Care India for replacing my display BUT the problem still persists. I can't even use this phone on regular basis. I am using my broken G5 Plus. Atleast the screen is not that messed up.
Please SAMSUNG fix this ASAP.
Link for Samsung community thread:
https://r2.community.samsung.com/t5...-on-GALAXY-note-8-SM-N950F/m-p/2963553#M93488
And yes i tried safe mode,disable video enhancer. Those things have nothing to do with this... It's the SAMSUNG who can fix this.
Please comment below if you have this issue.
ended up selling my device for 100$
Would anyone recommend where to buy new screen for rog 3 in Europe ?
Broke my one after nearly two years :/
Had a similar problem with my old Zenfone...
Usually best chances are ebay and AliExpress.. but depending on how new your model is, it might be costly. And adding insult to injury: It's a real pain to do that yourself (hairdryer and all).
EOD: I gave up those glued crap phones altogether and went for fairphone instead. And I don't regret that choice
PS: I don't know if that applies already but wasn't there some EU directive demanding manufacturers to provide spare parts? Perhaps the Asus people themselves will help you?
Left question on Asus board as well. Will give it 24 and order one from aliexpress if no one had a chance.
I hope you get screen protection proper this time as well
Nah, just kdding - my last screen protector covered everything, almost everything, except for about 1mm on the sides... of course, it fell on such unprotected spot.
Good luck!
BTW, did you ever change a screen before?
I’ve done dozens iPhones X included. Familiar with small screws and hands still not shaking
Found one in Germany looking for the phone itself...
PhoneFunky Shop | eBay Stores
Wigento – Dein Mobile Upgrade. Sie suchen Zubehör für Smartphones und Tablets? Sie möchten Ihre aktuellen Wearables schützen und verschönern? Ihr Handy hat leider eine „Spider-App“ und es soll wieder sein wie neu? Dann sind bei uns an der richtigen Adresse! In unserem Shop finden Sie die...
www.ebay.ie
borygo77 said:
one in Germany
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Yikes 150€?!
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Compared to that a fairphone screen is "cheap" with the original 89€
It wasn’t cheap but defo worth it.
Already on it’s way to Ireland with DHL.
Same Phones starting at 450+
iPhone screens are cheapest on the market