Feb 242017
 

Allview broken touchscreenFew days one friend just broke his phone touch screen, and the half bottom of the screen  didn't respond anymore. So, no chance to interact anymore with it.

He wanted to transfer all the files from the phone to the PC, but when the USB data cable is inserted the phone is asking what to do with USB connection:

  • Charge only
  • View photos
  • File copy

He wanted the last option "Files copy" to access the internal storage, but the phone does not respond and starts with default option "Charge Only". Looks like there is no chance to copy any file.

Fortunately on my PC I have Android Studio installed, and it comes with the "adb" tool (Android Debug Bridge).  It lets you to communicate with the Android devices connected on the PC. Here is what I've done to copy the content of entire internal storage to PC.

With bold are the command that I've run , and in blue bold are the comments/hints.
First step is to identify the path of the phone storage,
it is different from vendor to vendor and one Android version to other.
C:\Users\mark>adb shell ls -l /
-rw-r--r-- root root 663 1970-01-01 02:00 seapp_contexts
-rw-r--r-- root root 231669 1970-01-01 02:00 sepolicy
drwxrwx--- radio system 1970-01-01 02:00 spdata
drwxr-x--x root sdcard_r 2017-02-24 18:36 storage
dr-xr-xr-x root root 2017-02-24 18:36 sys
drwxr-xr-x root root 1970-01-01 02:00 system
-rw-r--r-- root root 6729 1970-01-01 02:00 ueventd.rc
lrwxrwxrwx root root 2017-02-24 18:36 vendor -> /system/vendor

C:\Users\mark>adb shell ls -l /storage
drwxrwx--x root sdcard_r 1970-01-01 02:00 sdcard0
drwx------ root root 2017-02-24 18:36 sdcard1

C:\Users\mark>adb shell df /storage/*
Filesystem Size Used Free Blksize
/storage/sdcard0 7.2G 4.5G 2.7G 4096
/storage/sdcard1 0.0K 0.0K 0.0K 4096
Based on whet we see above, looks like the storage path is /storage/sdcard0 .
Let's copy it using "adb pull" command.
First the command will build the list of files to be transferred,

then will start transfer and will notify us about the progress status.

C:\Users\mark>adb pull /storage/sdcard0 D:\tmp\bkp_from_allview_internal
[ 24%] /storage/sdcard0/DCIM/Camera/IMG_20141227_141226.jpg: 16%
...
...
/storage/sdcard0/: 1218 files pulled. 0 files skipped. 3.2 MB/s (4717973504 bytes in 1406.642s)

That's all folk!

 Posted by at 10:07 PM
May 082014
 

Few days ago my 10 years washing machine Beko WM3552M stops to work.

Symptoms: it spins for 1-2 seconds and then nothing happens. The vacuum pump works, the same water heater.

I was checking the PCB , it looks OK. So, I was thinking that probable are the carbon brushes. I've changed them and it was working, I was lucky. Because was not easy to identify and to replace the brushes I want to share with you haw to do it.

What you need for this:

  • a cross (+) screw
  • a lamp; the brushes are placed in no accessible places so you may need some extra light

First o all you have to cut the power supply, cut water supply too.

Next thing to do is to remove the back cover (there are 5 cross screws), this will give some light inside of the washing machine and also you can easy manipulate the machine for next step.

Put the washing machine on its side , with the soapbox on the bottom, like in picture below.

beko washing machine

Put washing machine on its side (soapbox on bottom)

It's important that the corner with PCB (red dot) to be on upper side; if there is still some water into the machine, at least it will not be drawn on PCB.

Now we have access on the bottom of the washing machine, there  is no cover to remove or something like this.

Below is a picture where the motor is visible.  In the picture below the brushes have already been removed. But we can see where they are located, and see that any of them is fixed by the motor with 2 screws (again cross screws). One location (upper brush) is very visible, but not the same we can tell about the 2nd one.

Beko washing machine from bottom

Beko washing machine from bottom

For a better visibility I have two other shots from the back of the motor (camera) was in the yellow circle position.

beko washing machine brushes

beko washing machine brushes

 

beko washing machine -brushes location

beko washing machine -brushes location

After you have removed the brushes replace them with the new ones. To be sure that I replace them with the proper brushes I've go with the old ones to the store, and clerk provide me exactly what I needed  . As you notice in the last picture, it is obvious that the old ones have come to the end of lifetime.

beko washing machine - old brush vs. new brush

beko washing machine - old brush vs. new brush

 Posted by at 10:53 PM