Database Users

What's the rubber plug next to camera lens is for?

I got curious, but no clue to get that exactly.

i believe its for an external antenna

yup, it's the external ant. port.

livewirejj said:
I got curious, but no clue to get that exactly.
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It shoots lasers and can put a shield around you in an emergency.
(wtf did you think it was for?)

Maybe it was meant to be for GPS.

A look into the manual will show you that if you remove the rubber button you will have the external antenna port.

if you have an I-mate Jasjam, check page 17 & 18 of the user manual. It tells all....... Yes, that strange rectangular object can be useful, sometimes......

and there was me hoping it was for shooting lasers and putting a shield around me. Damn it!!!
My advice is that when you buy something, read the manual before posting on this

THanx, I bought second hand one. I already catch up ABCs about PDA, but now I wonder why I didn't wonder what that plug was for for 1 year.

[Q] Scrap Screen Part

I rather recently received this chinese tablet, and unfortunately whilst charging the tablet it stopped powering on and working period, so I took it apart and salvaged the working parts. I am inquiring about the name of the screen connector and the touch surface connector. I have attached images of them both below.

Anyone?
Anyone? please?

Anything written on the back of the screen which may help?

MacaronyMax said:
Anything written on the back of the screen which may help?
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Nope just empy space my best guess would be a C or D sized ribbon cable but im not sure and If I can learn the pin out I can just wire it up to a VGA or the likes the touch screen is another story I also need to know how much power this thing runs on because Im sure ive got the resources to power it.

The main thing is getting the LCD controller: is there some chip or PCB somewhere on (or inside maybe?) the housing of LCD display? If not, you'll find the chip on the tablet's mainboard, and by searching for it's name, you might find a complete controller with VGA/S-Video/Composite/RGB input (something that's supported by controller), and you hook up the display there.
Simpler way, how I'd do it, would be to look up for the datasheet of chip on the Google, and then wire the inputs according to pinout in datasheet.
It might take time to find out how to power it up and how to feed it with image, but in the end it should work - currently I'm working on a same thing, but with LCD taken from portable DVD player with controller in the LCD housing.

It seems to have the controller on the accessory board, I will try to look for the data sheets like you said, thank you so much
Sent from my SGH-T959V using XDA

Your post is asking for the name of those 2 connectors? They are called flexible ribbon cable, easy to break and imo not really flexible at all, cause they break.
Can't remember how many of those buggers I broke over the years.
sent from my legend, currently using extream legend fuse™

ranger4740 said:
Your post is asking for the name of those 2 connectors? They are called flexible ribbon cable, easy to break and imo not really flexible at all, cause they break.
Can't remember how many of those buggers I broke over the years.
sent from my legend, currently using extream legend fuse™
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Just the information I needed thank you!

[Q] How to open the Nexus 10?

I want to open my N10 up, but I really don't know how much force to be using to separate the back from the screen (seems like it would require an extreme amount of force).
I have a suction cup attached to the screen, and I have the screw off the back. From there, I assume I would start at a corner and just press it downward to try to get the back off? Should it require a lot of force? Does the back bend, or should it?

Do a search, got to be videos on you tube.
Sent from my MB855 using xda premium

rbeavers said:
Do a search, got to be videos on you tube.
Sent from my MB855 using xda premium
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Only thing I can find is the PowerMedic teardown, which doesn't explain how much force should be needed still...
I'd rather hear from someone personally how hard it was to open their N10.

espionage724 said:
Only thing I can find is the PowerMedic teardown, which doesn't explain how much force should be needed still...
I'd rather hear from someone personally how hard it was to open their N10.
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Search youtube( google nexus 10 gets clean) shows the rear cover being removed. I couldn't post a link because I don't know how to! Hope it helps if

Lipp24 said:
Search youtube( google nexus 10 gets clean) shows the rear cover being removed. I couldn't post a link because I don't know how to! Hope it helps if
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Found it
Hmm, I'll have to see if I have a separating tool, but that doesn't look like too much force was used at all.

Finally got it open. Was a huge pain to do with a credit card (basically destroyed it mostly), but I started with the top-middle edge, and worked my way around from there. Biggest pain was to get the bottom edge off, but I managed to get that off after a while.
So, I just noticed that my Pogo connection area, there's a pin broken. From left-to-right, it's the 5th pin. Why is this?

espionage724 said:
Finally got it open. Was a huge pain to do with a credit card (basically destroyed it mostly), but I started with the top-middle edge, and worked my way around from there. Biggest pain was to get the bottom edge off, but I managed to get that off after a while.
So, I just noticed that my Pogo connection area, there's a pin broken. From left-to-right, it's the 5th pin. Why is this?
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Do you mean on the inside of the N10 there is a pin broken? I looked at those powerbook medic photos which its hard to get an angle on that area, but it didnt look like any of the inside pin connections were missing, so are you saying it looks intentionally not connected/separated?

bigmatty said:
Do you mean on the inside of the N10 there is a pin broken? I looked at those powerbook medic photos which its hard to get an angle on that area, but it didnt look like any of the inside pin connections were missing, so are you saying it looks intentionally not connected/separated?
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It's like a 3-piece system in the Pogo cable area. The N10 shell has the 5 pin area and has metal contact sheets on the inside for those pins. The N10 itself then has strips of metal I think above metal contact points. The strip of metal that should come in-contact on the N10 itself is cut-short on the 5th pin.
Probably not the best explanation though. I think I saw a post on the Pogo cable thread of someone mentioning this.

espionage724 said:
It's like a 3-piece system in the Pogo cable area. The N10 shell has the 5 pin area and has metal contact sheets on the inside for those pins. The N10 itself then has strips of metal I think above metal contact points. The strip of metal that should come in-contact on the N10 itself is cut-short on the 5th pin.
Probably not the best explanation though. I think I saw a post on the Pogo cable thread of someone mentioning this.
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I know there was a post about the pogo charger that included pictures, and in the picture one of the pins was either missing or shaded. the discussion assumed it was missing and gave theorys on why. (all perfectly reasonable as I remember.) BUT I just got a pogo in the mail a couple days ago and, at least this vesion, has all its pins. im guessing there is a couple ways the pogo "port" could be utilized, so a variety of combinations would certainly make sense.
but as for that cut short you're talking about, does it look machine done? like if its a ribbon-like material does the notch made in it look perfectly made such that it was done by machine? or does it look jagged or snagged? if it looks machine made Im sure its intentional. if it looked jagged or snagged Id be concerned that is on accident.
EDIT: i ask/say "ribbon like material" but same basic thought process for me re: metal extensoin posts - does the "cut" look like it was done with some sort of grinding device that would leave the pins as "not sharp" or does it look cut like when you flex metal a bunch and it snaps or if you use wire cutters how it leaves a jagged edge.
/my .02

Swapping Motherboard

Unfortunately I dropped my xt907 (with some serious force) and smashed the screen.It appears that the phone itself is still functioning because lights are flashing, its making notification sounds and when connecting to my computer via USB i can access all my files. Since i dont want to buy a new one and be handcuffed with a locked boot loader I'm going to attempt a repair. Does anyone know if putting my motherboard into another phone (maybe with a bad ESN) will bring my phone back to life? My other thought was to salvage the motherboard, battery and camera and just install them in a brand new LCD screen, digatizer and backing. any feedback would be appreciated!

Just pick one up off Ebay or something and swap the screens... Its rather easy to do in my opinion... I usually grab one that's water damaged...
Sent from my XT907 using xda app-developers app

ezknives said:
...
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Btw how is KK soak bld hunting getting on?

I wish it was as simple as replacing the screen but the backside got all messed up too. I managed to get the board out but in doing so there was a tiny metal hinge looking thing that broke off the backside of the board next to there the power plug. I'm sure that completes a circuit somewhere so I guess my little project is over. not good.

aviwdoowks said:
Btw how is KK soak bld hunting getting on?
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The ole lady won't let me on the PC to flash back to stock I on the hunt for a recovery flashable unmodified stock ..
PantherVT said:
I wish it was as simple as replacing the screen but the backside got all messed up too. I managed to get the board out but in doing so there was a tiny metal hinge looking thing that broke off the backside of the board next to there the power plug. I'm sure that completes a circuit somewhere so I guess my little project is over. not good.
Click to expand...
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can you post a pic...
Sent from my XT907 using xda app-developers app

here are some photos. I have circled the area of the motherboard that was chipped. In motherboard1 the piece that broke off is in the photo as well. In the backing photo I circled the area that may be a contact point to complete a circuit.

Yeah that looks done... It may just be for the wifi but doesn't look like it can be Jimmy rigged ... I was thinking maybe a touch of foil on it but I don't see any tracers to make the connection
Sent from my XT907 using xda app-developers app

Yeah i think some solder and a a little luck would be my only shot. Ill probably just try to buy a used one that someone already unlocked.

That's for the LTE Rx antenna. The motherboard will probably still work, but you will have diminished LTE reception.
That motherboard might still be useful for someone who is using their phone on GSM networks and can't use LTE anyway.
I might be interested in it if you'd be willing to sell it real cheap.

GnatGoSplat said:
That's for the LTE Rx antenna. The motherboard will probably still work, but you will have diminished LTE reception.
That motherboard might still be useful for someone who is using their phone on GSM networks and can't use LTE anyway.
I might be interested in it if you'd be willing to sell it real cheap.
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Thanks for the explanation. If I end up selling I'll let you know. Do you think the antenna can be reattached and become fully functional again?

PantherVT said:
Thanks for the explanation. If I end up selling I'll let you know. Do you think the antenna can be reattached and become fully functional again?
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Hard to say, but in my opinion, the answer is YES. I don't think you'll have any chance of finding the broken trace, I sure can't see it in that photo and I'm guessing it's not visible. However, I bet one of those tiny components near where it used to be was directly connected to it. You would need either a wiring diagram or trace an undamaged motherboard with the ohms setting of a multimeter to see if any of those components were directly connected to the terminal. You could then probably reform that gold terminal with tweezers, and solder a very, very tiny wire between the solder end of the appropriate component and that terminal and use a good strong epoxy to glue the terminal back down to the board in its correct location. You'd need a really good pencil-tip soldering iron, really steady hands, and good soldering skills to do that kind of micro-soldering.
I'm thinking to part out the RAZR M that I bricked over the weekend. If you're interested, I can test my board to see if any of those nearby components have continuity to the terminal.

Not sure if you're still wanting to fix it, but I pulled my bricked RAZR M apart today and saw this is a pretty easy fix.
That terminal connects directly to the lower of the 2 black SMD components. In fact, I didn't notice before, but in your pic there is still some visible trace connected to it. Should be pretty simple to epoxy the terminal back onto the board and solder a short piece of wire onto the remainder of the trace.

I do want to fix it and will be giving it a try! I'll post the results

PantherVT said:
I do want to fix it and will be giving it a try! I'll post the results
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Good Luck.
I made a Mobo Transplant also once.
Got a Broken LCD phone which was damaged before the OTA (that locks our BL)
And took that and swapped it into mines =)
Now i have a good Phone with a Unlocked BL
And sold my old one back out for same price =) Win Win for me.

galaxy s5, find emmc on the board?

hey im totally new to using this site so if im missing something or doing this wrong let me know, thanks. so i have been trying to figure out how to get lineage os on my s5, and as far as i can see its impossible as i have the Toshiba chip. now i was curious buying a new main board is not that expensive on ebay, can i just swap the board out for one with the Samsung chip and be good? is it even on the main board? is there a way to find out which chip you have from the board with out reading the cid?
thanks

1. Yes.
2. Yes.
3. Yes, in theory, but it's usually not clearly seen on the photos. You need to look a little under protective shield. I think, it's a bad idea.
This is it with the shield and without on the first photo.
The second photo shows Toshiba chip and the third shows Samsung chip under the shield but I doubt if you manage to force the seller to make such photos or take the shield's cover off.

bbsc said:
1. Yes.
2. Yes.
3. Yes, in theory, but it's usually not clearly seen on the photos. You need to look a little under protective shield. I think, it's a bad idea.
This is it with the shield and without on the first photo.
The second photo shows Toshiba chip and the third shows Samsung chip under the shield but I doubt if you manage to force the seller to make such photos or take the shield's cover off.
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ok thanks, especially for the photos. so is there not a different part number or serial number between the two?

alphandomega said:
ok thanks, especially for the photos. so is there not a different part number or serial number between the two?
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I don't see any part number on the motherboard.
I have 6 or 7 here including 3 for SM-G900V.
2 of them are with Samsung chip and marked as on the first photo.
The third one is with Toshiba chip and marked as on the second photo. But this one is definitely newer and I cannot say that 1411 in marking means Toshiba and 1409 means Samsung.

Hey thanks so much taking the time to share such good information. And pictures.

alphandomega said:
Hey thanks so much taking the time to share such good information. And pictures.
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You're welcome. I liked your question and was glad to try to answer.
Look, this lot is definitely for SM-G900V Main Logic Board with Samsung chip (see photo 5).
But who knows what they would send you if you buy it.

bbsc said:
You're welcome. I liked your question and was glad to try to answer.
Look, this lot is definitely for SM-G900V Main Logic Board with Samsung chip (see photo 5).
But who knows what they would send you if you buy it.
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looks like the same picture that i was looking at. asked if he would be willing to read the first few letters on the chip for me. ill post what his reply is.

Will be interesting.

Well he found one. Going to order it this week. We'll see how it goes.