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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
Yes
No
Check the clock generation circuit
(related to TCX500)
Check for the clock at
C208= 19.2MHz
Yes
No
Check the PMIC
C227(VREG_MSME) = 1.8V?
C223(VREG_MSMP) = 2.6V?
C220(VREG_MSMA) = 2.6V?
C211(VREG_TCXO) = 2.8V?
Yes
No
Check the PMIC
C229(VREG_MSMC) =
1.375V?
Yes
No
Resolder OSC200
Check the Clock at
OSC200=32KHZ
Yes
No
Check the PMIC related to PS_HOLD
U201PIN57(PS_HOLD)
= 2.6V?
Yes
No
END
Change the Battery
' Power On ' does not work
Check the Battery Voltage
is more than 3.3V
Summary of Contents for SGH-Z560
Page 29: ...8 PCB Diagrams 8 1 Top ...
Page 30: ...PCB Diagrams 8 2 Bottom ...