Table of Contents
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Cannot Power on-large current
Make the phone connect the power
supply and then press power key find
large current make the phone heat
Check if the phone leakage
(current 0mA is normal)
Check if the capacitance,
varistor, LDO tube leakage
Check and replace , CPU
END
Customer Service
YES
YES
YES
S
Use the
touch
method to
NO
check and
replace the
heat spare
NO
parts
YES
24
Service Manual
Check and
replace RF
NO
PA, Audio
PA,
YES
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