Power On - Samsung SM-T580 Service Manual

8. Level 3 Repair

8-4-1. POWER ON

Tablet Phone don`t power on.
Check the Battery Voltage >
3.4V ?
Power-on the phone and
check the power-on sound
or light on touch key sound is
Check the R4028, R4026
Check the U4006 output
voltage
(C4054 >= 3.4V)
Check the OSC4000 is that frequency 19.2MHz
Check the initial operation
Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
YES
ok ?
YES
YES
YES
END
Charging the battery by TA
No
its voltage level extremely low(under 3.3V)
No
Change the LCD Module
No Change the Material
And retry to the power-on operation.
No
If the output voltage is not satisfied
with normal
No
Chage the OCS4000
Change the battery