Samsung galaxy S4 I9500 Power Not On Solution

Samsung  galaxy S4 I9500 Power Not On Solution Schematic , Diagram , Circuit

Samsung  galaxy S4 I9500 Power Not On Solution Step By Step

Step 1

Mobile phone does not power on.

Step 2

Check the Battery Voltage.
Is it more than 3
.8V?

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

Change the battery

Step 3

Power-on the phone and
check the power-on sound
or motor Vibration.

Sound or Vibration is ok?

Change the FRONT-LCD ASSY

Step 4

Check the TAC1000

(soldering crack, open, etc)

Change the TAC1000(Power-key switch)
And retry to the power-on operation.

Step 5

Check the U600 output voltage

(C665 > 1V,C664 > 1V)

If the output voltage is not satisfied with normal
condition, Change the U600.

※ Each voltage level has ±10% margin.

Step 6

Check the Clock OSC5000

Is that frequency 24Mhz?

Change the OSC5000.
Test condition (Oscilloscope setting)

20.0us.div (time division)

Step 7

check the initial operation

Step 8

END

Unofficial support site for this Phone By Welcome Zone Haldwani

HOME
Search Tags
Samsung Galaxy S4 I9500 Power Solution 
Samsung Galaxy S4 I9500  Dead Solution
Samsung Galaxy S4 I9500 Power Not Process 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