Samsung gt s7262 Samsung Galaxy Star Pro Duos S7262 Dead Solutions
Cell phone can`t power on. Solutions
Step 1 Check the Battery Voltage.
Is it more than 3.5V?
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 current ≥ 100mA
Change the FRONT LCD Assy.
or re-download binary
Step 3Check the ONKEY
(TAC401)
Change the TAC401.
And re-try to the power-on
operationStep 4 Check the UCP300 output
voltage. (C338 ≒ 1.1V)
If the output voltage is not satisfied with normal
condition, Change the UCP300
※ Each voltage level has ±10% margin
Step 5 Change PBA
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