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8. Level 3 Repair
8-4-1. Power on
Mobile Tablet does not power on
Check the battery voltage
is it more than 3.5v?
power on the tablet and check
the power on sound.
Sound is ok?
Check the
TactKey(TAC7000),
R7101,(Resistor)
(soldering crack, open, etc)
1. Charging the battery by TA,.
2. After Charging, if its voltage level still
low(under 3.5V)
⇒
Go to
“8-4-2. Charging”
Part
”
Go to
“8-4-10. Display” Part
NO
Ab
YES
Change the Material.
And retry to the power on operation
YES
Ab
abnormal
Ab
YES
Check the U5001, Output
Voltage (C5169 > 3.5v)
NO
Ab
If the voltage is not satisfied with normal
Condition, replace U5001.
Check the U5011, Output
Voltage (TP_4003 = 1.8v )
End
NO
Ab
If the voltage is not satisfied with normal
Condition, replace U5011
YES
YES
Go to
“8-4-3. INITIAL” Part
YES
NO
Ab