Samsung GT-N8000, Servise Manual, Page: 38 / 92

Level 3 Repair
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8-5
8-3-1. Power On
Check the Battery Voltage
is more than 3.5V
' Power On ' does not work
Charge the Battery
(Battery power is low)
END
No
Yes
Check U700(PMIC) and Power
on voltage(C760
≥
1.0V, C758
≥
1.1V, C757
≥
1.0V, C755
≥
1.0V,
C754
≥
1.2V, C753
≥
1.35V,
C752
≥
2.0V)
If the output voltage is not satisfied with
normal
condition, Change the U700.
No
Yes
Check the Clock at
OSC700(C705) that frequency
is 32K
Check the clock generation circuit
(related to OSC700)
No
Yes
Yes
Check "Power on" by power
cable with jig-on
Check the 30pin to 50pin FPCB(SLC500),
Wrong assembly or Wrong connection.
check the initial operation
Yes
No
Yes
Check the ZD500
Voltage.(When you press the
power key, ZD500 Voltage
have to same V_BATT
Voltage)
Change the power key FPCB
(GH59-11713A)
(Battery power is low)
No
Yes