[INFO AND SOLUTION] Why Mx-box not detecting any phone (USER'S FAULT)

[gbluez]

nice, good to know a happy ending..

BUT MY BOX WARRANTY IS VOID

hehe, you just make happy your reseller

so next tips is, play safe before flash:
test the phone's battery connector resistance by using ohm meter for short circuit.

BR

[nwaigbo]

mine is also now working after change transistor thanks to gbluez. but mx-team need to include short circuit protection to new batches of mx-box

[gbluez]

Originally Posted by nwaigbo

mine is also now working after change transistor thanks to gbluez. but mx-team need to include short circuit protection to new batches of mx-box

all available nokia box is not using this kind protection (yet), one of the reason is power efficiency.

this kind protection will lower both voltage and current if sourced only by usb power line.
nokia is not like other phone. it need big current on vbatt while doing fbus flashing.

need external power supply to have this protection. the box will looks ugly

but this sounds good to be implemented if we will have our new next hardware equipment

BR

[Rashky]

Originally Posted by gbluez

nice, good to know a happy ending..


hehe, you just make happy your reseller

so next tips is, play safe before flash:
test the phone's battery connector resistance by using ohm meter for short circuit.

BR

my new HTI BOX but not detecting on BUS CHECK but now all ok after i change the transistor (BCP69)

[sahil2000ind]

I THINK THAT THIS THREAD MUST BE STICKY AS IT WILL BE HELPFUL FOR ALL OTHER MX-BOX USERS IF THEY FACE SIMILAR PROBLEM.



WBR
sahil2000ind

[paul_reyven]

good solution.....

make this thread sticky for easy searching for the other users facing the same problem.....

BR

[allumts]

Originally Posted by gbluez

hi,
we give warranty for six months. but if you want to void your warranty, be my guest

sumatra's post is correct.
about HW damaged, i already post this on my mxkey local forum.
that transistor (PNP type) is damaged because of over current while handling short circuited phone.

BR

@gbluez,
i'm registred in this forum, but when i want open the Picture the system answere to me that is impossible becouse i not have user privilegy for access in this photo, it's possible?
But in all case, my HTI don't work in F/bus whith one easy UFC V2 cable have need the Adapter, when i connect this adapter and cable in my BOX yes the Box read the phone, so, where is this TMA?
thank in advance
BR
Allumts
Please can post photo of where is this IC and how change this?

[allumts]

Originally Posted by gbluez

no. all box will dead if handle SHORT CIRCUITED PHONE.

do you what is short circuit?

BR

Excuseme, but this my HTI, from the first day never has working w/o TMA like UFC V2 adapter, and in ATF, i have connected one E71 in Short circuit, the Phone was putting Down any Box, but not for this the ATF or other Box not work more, are working in normal mode.
I'm happy whith my HTI BOX, but never i have flashed in F/bus only 1 phone, w/o adapter inside, think this my HTI was damaged from first day?, i can work only in USB mode whith my BOX connected, but more operation i don't can to do, like repair Security Area in one N85, do u think i can solve and for end use my HTI in F/bus mode whith this change of IC?
Thanks in advance
Allumts

[kodan]

kf33 heats up when atach box on a usb (windows not recognize-dead box)

[mohamed1982]

Hello every body i have problem with my mx box hti with card it's new but i think i broke my self this mx box first time to use when i connect to mt pc it's shows green light then red light blinking then disconnect it's self and reconnect over and over some one can help me with this problem ?

[.::VENUGOPAL::.]

my box also dead yesterday i change bpc 69 ic from ufs and my hti working perfect.yesterday i put short mobile . working mobile also not goes to local mode or test mode . cheak the supply on cable its came 1.5 v. (its same problem comes in ufs) actual voltage 4.5 . sorry for my english

[robbie]

Originally Posted by gbluez

hi,
it is general purpose power transistor. you can substitute by any PNP transistor.

here is the transistor data sheet.

UFS use this transistor also.

BR

Can we substitute BCP69 with BCP53 http://www.fairchildsemi.com/ds/BC/BCP53.pdf

[gsmsaliya]

modify this working 1000000% test mode, read any phones

[sitaramkantheti]

Originally Posted by sumatera

Check vbat output from RJ45 = 5v

if not, change this IC (code BCP69) take from old jaf






BR

I am happy about for this solution. its working. MANY MANY MANY COUNTLESS THANKS DEAR RESPECTED TEAM.
any other matching transitors is in tv or other elctronic circuit bords tell us. Its helpfull to all.

[gbluez]

Originally Posted by chanikya

my box also dead yesterday i change bpc 69 ic from ufs and my hti working perfect.yesterday i put short mobile . working mobile also not goes to local mode or test mode . cheak the supply on cable its came 1.5 v. (its same problem comes in ufs) actual voltage 4.5 . sorry for my english

Originally Posted by robbie

Can we substitute BCP69 with BCP53 http://www.fairchildsemi.com/ds/BC/BCP53.pdf

Originally Posted by sitaramkantheti

I am happy about for this solution. its working. MANY MANY MANY COUNTLESS THANKS DEAR RESPECTED TEAM.
any other matching transitors is in tv or other elctronic circuit bords tell us. Its helpfull to all.

Hi,
as i said before, it is general purpose power transistor. Can be substituted by any PNP transistor which has the same characteristic of BPC69 (20 V, 1 A PNP medium power transistor).
Different transistor package also possible such as BD140, etc

Once again, this solution is for those who want to take a risk: un repaired box = loose money because warranty is void. FYI, HTI got 6 months warranty.