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Level 3 Repair
8-3. LOGIC
8-3-1. Power On
Power switch on
Check the current
consumption
>= 100mA?
Check the battery
voltage
>= 3.45?
Check the R410_T
P_PS_HOLD pin P
S_HOLD = 2.6V?
Check the clock at
OSC400 = 32KHz ?
C441(VREG_MSMC1)=1.2V?
C440(VREG_MSMC2)=1.2V?
C439(VREG_MSME)=1.8V?
C410(VREG_MSMP)=2.6V?
C411(VREG_MSMA)=2.6V?
Check the clock
C117 = 19.2Mhz ?
Check the initial operation
NG
Yes
Yes
Yes
Yes
Yes
Yes
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
NO
Change the battery
NO
related to PS_HOLD
NO
NO
NO
Check the clock generation circuit
8-4
Download
Check the PMIC
Resolder OSC400
Check the U400
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