Samsung gt s7562 Samsung Galaxy S Duos S7562 Dead Solutions

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Samsung gt s7562 Samsung Galaxy S Duos S7562 Dead Solutions

Samsung gt s7562 Dead Solutions Step By Step

Step 1
Connect the jig box.
Check the current consum
ption
>= 100mA?

Rom Re Download

Step 2
Check the battery 
voltage

>= 3.45?

Change the battery

Step 3
Check the GPIO_2 
5 of UCP300 PS_

HOLD pin is 2.6V?

Check the PMIC

related to PS_HOLD

Step 4
Check the clock at

OSC400 = 32KHz ?

Resolder OSC400

Step 5
C438(VREG_MSMC1)=1.1V?
C437(VREG_MSMC2)=1.1V?
C436(VREG_MSME)=1.8V?
R402(VREG_MSMP)=1.8V?

C454(VREG_MSMA)=2.6V?

Check the voltage and Resolder

PM400

Step 6
check

the initial operation

Resolder or Replace UCP300

Step 7
END

Change the main PBA

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