ALL MOBILE FLASH TOOL

Mobile Flashing Tools , Driver And Flashing Box Software Update Download

Samsung galaxy Grand i9082 cell phone can not Power On Solution

Samsung galaxy Grand i9082 cell phone can not Power On Solution   Schematic , Diagram , Circuit




Samsung galaxy Grand i9082 Dead Solution  Step by Step 

Cell-phone can`t power on:-

Step1

Check the Battery Voltage.
Is it more than 3.6V?


Charging the battery by TA.
If its voltage level is extremely low(under 3.0V),
Change the battery


Step 2


Power-on the phone and check
the power-on sound
or motor vibration.
Sound or vibration is ok?


Change the MEA FRONT-OCTA LCD ASSY


SW re-download and re-booting


Step 3


Try to power on with anyway
jig. If booting is success with
anyway jig,check ANT_505
(soldering crack, open, etc)


Change the ANT_505(Power-key FPCB)
And retry to the power-on operation.
※ Test condition (Power supply 4.0V)


Step4


Check the U400 output voltage


If the output voltage is not satisfied with normal
condition, Change the U400.
※ Each voltage level has ±10% margin.


Step 5


Check the U400 output signal
(ON_SW > 2.8V)


If the output voltage is not satisfied with normal.
condition, Change the UCP300.
※ Each voltage level has ±10% margin.


Step 6


Check the Clock OSC400(C462)
Is that frequency 32.768Khz?


Change the OSC400.
If OSC400 does not still work, Change the U400
This problem is internal oscillator of U400.
※ Test condition (Oscilloscope setting)
: 20.0us.div (time division)


Step 7


check the initial operation


END

Add caption

Unofficial support site for this Phone By 
Welcome Zone Haldwani

HOME
Search Tags
Samsung Galaxy Grand i9082 Dead solution 
Samsung Galaxy Grand i9082 Not Power On Solution
Samsung Galaxy Grand i9082 shutdown Solution

Android App For This Site
Download

Samsung Usb Drivers
Samsung Android Usb Driver Download

Facebook Page
Do You Want More Update Click Here And Like This Page

Leave a Reply

Your email address will not be published.

ALL MOBILE FLASH TOOL © 2016