I opened up my blue angel, and I'd like to make a SD socket extender.
I've soldiered the 9 SD pins to an external SD socket, however, the device doesn't detect the card. there seems to be a way the pocketpc identifies when a card is inserted.
is there a way to override this ?
or any other idea's how to make an external SD connector.
Sounds to me like you may have burnt out something on the Wizard motherboard from the heat of the soldering iron as the Pocket PC detects an SD card by the power flowing through the card, i.e. when the conenction is complete it detects the SD card.
when I plug in a memory card by itself to the ppc, it detects it fine.
there seems to be some kind of switch on the inner side of the sd connector, but i cant be able to figure how it works and what its connected to.
there are 9 pins yes but on the right side of the card there is a pin in the connector that gives power to the whole socket when the card is inserted. that was you dont fry the card when you insert it. its basically like an on/off switch
hello
How do I bypass that switch ? (or shouldn't I ?)
I'm working on a carppc (which'll be perm. mounted in the car), and I'm making an extention cord for the SD socket..
honestly i wouldnt extend it over 6-12 inches. you will get alot of signal degridation if you do that. if you want to bypass it then wire up a switch. just remember to cut the switch off before removing and inserting
yeah, i opened up the socket itself, and there really is a switch.
i made it about 6" long, so it ought to be ok.
as for the switch, any idea why its necessary ?
- it doesnt exist on (most?) sockets i've seen.
- also, the SD guidelines specify that the power and ground pins should enter
first, so the card wouldnt fry up, so why the hell the switch ? it makes things a lot more complicated, also, getting the switch out of the socket, is also not so easy.
in the meanwhile, i've kinda funked the screen's flex cable.. can this be replaced ? or do i have to get a complete new screen.. ?
I"m guessing all the wires would need to be exactly the same length.
Related
I just completely toasted my G1 plugging it into my towers front USB port.
I had the pins reversed on the USB header after I accidentally pulled out the pins installing a card reader it seems I put the other header pins back in backwards.
The G1 got a fuzzy look on the screen and then gave me some color bars like a TV test pattern almost.
After I yanked it, it would no longer charge or be recognized as a removable device by Winders vista or XP. Wouldn't charge on my DC or AC or any computer and did NOTHING but get hot when you plugged it in.
I found a couple of other threads on the interwebs but nothing with more than a yank the battery and the sim card for a while and see what that does for a fix... Which didn't do it.
I must have fried something that regulates the charging.
Moral of the story is be real careful what you plug your phone into.
All because I was too lazy to go get a thumb drive from upstairs to test the USB port.
Well, my replacement G1 should be arriving today so it's only costing me $20 shipping, but this still sucks.
Fail, just fail, life fail, USB fail, FAIL
Well that should learn you for reversing the polarity. Though I am a little surprised that they don't have a diode in there.
Just a couple hours after I got my used, out of warranty N1, it quit recognizing the Micro SD card. I put that card in two different USB readers, and it's so fried, the readers aren't even recognized by USB with the card in it. Unfortunately, the bad card also shorted out something on the phone, because now it won't read any SD card at all, and I tried 3 others!
Anyway, I'm trying to figure out if I need a new MicroSD flex board. One suspicious thing, is I've find pin 8 of the MicroSD socket has continuity to ground. That's supposed to be the DAT1 pin, and I bet it's supposed to show 2.7V like DAT0 and DAT2 pins. I even took apart my USB SD card readers to compare voltages, and they show 3.3V on DAT0, DAT1, and DAT2. If anyone has an N1 that is apart, or will be taking one apart soon, or just have a spare MicroSD flex laying around, and also have a multimeter, would you please measure to see if there is continuity between pin 8 and ground (i.e. metal shell of the MicroSD socket)? The socket has 8 pins and with the phone oriented with its top pointed away from you, the pins are 1 thru 8 left to right.
Any help will be GREATLY appreciated!
I've been thinking to trying something, but thought I should get some input first...
I'm considering soldering a small ribbon cable from the contacts on the back of the Nexus 7's microUSB port and running it up to the space where the rear camera would have gone. I think there's enough room for me to insert a small microSD card reader and still fit the back of the case on properly. I've soldered a lot of small components, so I'm not concerned about the about the process. What I need to know is if this will interfere with charging. I know that the port can charge and transfer data simultaneously, I just don't know if it can do this is the data and 5V are coming from different sources. Any feedback would be appreciated. Thanks!!
I'm not a pro at this stuff by any means, but I do have an idea.
Maybe you should just grab a cheap y-splitter + otg first and see if you can charge while using a microsd reader?
Good idea. I have an OTG cable, so now I just have to track down a y-splitter.
I found that video:
https://youtu.be/PP9wygsHO_Y
In that video, they put a metal that connect to 3 thing: 2 horizontal pins at the back of the phone, the negative and positive of the internal battery, the negative and positive of the external one (inside the case). And I think that the phone can recognize them (or the phone will use both of them by someway??)
So my question is how can it work? Anyone can explant for me please?
And what is the function of 2 horizontal pins of this phone? What is it doing? I know 3 vertical pins ia for wireless charging or for s-view.
Thanks!!!
hey.
i have oneplus 5 its rooted and twrp installed
i erased syetem
now i can't install any system
my pc doesn't recognize it
i enterd Qualcomm mod but it doesnt recognize it
i tried to plug a usb drive it doesnt read it
i replaced the connector and usb flex it still doesn't read it
please help me
Is there any way to copy system to twrp without usb ???
thank you
hamzah93 said:
hey.
i have oneplus 5 its rooted and twrp installed
i erased syetem
now i can't install any system
my pc doesn't recognize it
i enterd Qualcomm mod but it doesnt recognize it
i tried to plug a usb drive it doesnt read it
i replaced the connector and usb flex it still doesn't read it
please help me
thank you
Click to expand...
Click to collapse
try with both side (turn cabel)
try to oush it in hard know it sounds stupid
i know it sounds stupid but i have 1 o+5 and i changed also everything allready and tryd bunch of cabels/chargers (all oem) and same **** , charge works only in 1 position too, dashcharge is just luck sometimes works sometimes not
something dies on the mainboard on that circuit
after flexchange now contactfail but still only 1 side active even that the phone recognize connection
I changed the usb flex and connector on mainboard
It charge but no data transfer
help
Help
Help
Might be hardware. The USB board is not soldered but connected to the manboard. Open the case and fixate. HTH
Help
does the dashcharge take some wiggling to activate? @hamzah93 @KaszasM it basically means there is lots of lint in the USB-C port. USB C is known for that. Use toothpick with the sharp edge to rub inside the USB-C port to remove the lint. keep going at it for sometime as the lint is really stubborn. i had to use a safety pin and rub constantly for 2-3 minutes to get the lint out. however using metal is not suggested until you know what you're doing.
Cheers
nikk95 said:
does the dashcharge take some wiggling to activate? @[email protected] it basically means there is lots of lint in the USB-C port. USB C is known for that. Use toothpick with the sharp edge to rub inside the USB-C port to remove the lint. keep going at it for sometime as the lint is really stubborn. i had to use a safety pin and rub constantly for 2-3 minutes to get the lint out. however using metal is not suggested until you know what you're doing.
Cheers
Click to expand...
Click to collapse
most of the times its just the connector , i changed a few already ,
maybe he didn't placed well by the change or it's already **** product.
you must push all the way down once i even needed to polish the edge of the usb too, that it matches into the backcover.
in my case as i made from my phone in a hot moment a 1 + "fold" a needed to change beside the battery display backcover, even the smd connector on the board .
but all if them is still fine even the last wich i mentioned in the first post above , now with the new smd ?
take your phone to pieces and free the usb port and try your charger / even better any usb otg.
if it works the trouble is 100% that u must push "down" in the backcover let the red isolation ring dissaper in the cover , if not worked with "free" usbport order 1 more
I changed the connector many times
I ordered one more flex cable and dashboard
I will chang it will replay
Thank u
i had the same issue. i just cleaned the charging port with some water ( i took the risk as it is splash proof) and a cloth and its even dash charging now. But do it at your own risk. i do this often when the problem occurs again.