SAMSUNG Proprietary-Contents may change without notice
9. Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-1
9-1. Power On
Yes
Yes
Check the initial operation
Check the circuit related to U403
C400(+VDD_GSM_CORE)
= 1.8V?
No
C425(+VDD_IO_LOW)=1.8V
C424(+VDD_IO_HIGH)=2.9V
Yes
No
Check the Clock at
R400=32KHZ
Yes
No
Change the PMU (U400)
Yes
No
END
Change the Battery
' Power On ' does not work
Check the Battery Voltage
is more than 3.4V
Yes
Resolder OSC400
Check VINT
C407 = 2.7V
Change the Battery
Check the circuit related to TCX100
Check the clock (VCTCXO)
C109 = 26MHz
Yes
Yes
No
No
Summary of Contents for SGH-E500
Page 32: ...8 PCB Diagrams 8 1 8 1 Top ...
Page 33: ...PCB Diagrams 8 2 8 2 Bottom ...
