Samsung GT-S8600 - Page 35

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Level
3
Repair
8-4
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8-3.
LOGIC
8-3-1.
Power On
Power switch on
NG
Check the current
consumption
>= 100
mA?
Download
NO
Check the U401
Check the clock
OSC400
=19.2
Mhz
Check the initial operation
Check the clock generation circuit
Resolder OSC400
Check the PMIC
relatedtoPS_HOLD
Change the battery
Yes
Yes
Yes
Yes
NO
NO
C447(VREG_MSMC1)=1.2V?
C448(VREG_MSMC2)=1.2V?
C451(VREG_MSME)=1.8V?
C411(VREG_MEM_1V2)=1.2V?
Yes
NO
Check the clock at
OSC401
=32
KHz
?
NO
Check the TP_PS_
HOLD(R417) pin
P
S_HOLD
=1.8
V?
NO
Check the battery
voltage
>= 3.45?
Yes