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DG12BT(FLY DS400)_Trouble Shooting
Prepared by: Zhong, Ren-Hui
Approved by: Sun, Bang-Li
Proofread by: Wang, York
Released date: Jul. 11, 2008
Innovating Customer Value
TABLE OF CONTENTS
1 No power on
2 KEY NG
3 LCD no display
4 No ring or KEY TONE
5 No vibration
6 No charge
7 No Voice
8 SIM Card NG
9 TF card inefficacy
10 FM inefficacy
11 No Bluetooth
12 No service
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Innovating Customer Value
No power on
Check whether the NG Charge the battery or
voltage of the battery
change a new one
is higher than 3.5V
OK
Check whether the NG Adjust the connector PIN or
battery connector pin
change a new battery connector
is OK?
OK
NG
Check whether the
Reassemble the key-press
`No' key is locked?
OK
END
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Innovating Customer Value
KEY NG
Check whether the Dome and NG
Clean Dome and Key Pad
the Key Pad is cleaned?
OK
Check whether the keypad NG
Reassemble the K/B
is assembled OK?
OK
Check whether the KB connector NG Reassemble the KB connector
is assembled OK or is broken? or change a new one
OK
End
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Innovating Customer Value
LCD no display
NG
Check whether the Reassemble the LCD FPC
LCD FPC is jointed OK?
OK
NG
Check whether the LCD is OK? Change for another LCD
OK
END
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Innovating Customer Value
No ring or KEY TONE
NG
Check whether set Reset the mode
in the silent mode?
OK
NG
Check whether the SPK Re-weld or change a new SPK
is welded OK or is broken
OK
End
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Innovating Customer Value
No vibration
Check whether set in NG
Reset the mode
no vibration mode?
OK
Check whether the NG Reassemble or
MOTOR is assembled Change a new MOTOR
OK or is broken?
OK
END
Inventec Confidential 7
Innovating Customer Value
No charge
NG
Check whether the charger
Change for another charger
output voltage is 5V?
OK
NG
Check whether the I/O connector Joint the I/O connector or
Is jointed OK or is broken? change for another one
OK
END
Inventec Confidential 8
Innovating Customer Value
No Voice
Check whether the NG
Re-solder the receiver or
receiver is soldered
change for another one
OK or is broken?
OK
Check whether the NG Reassemble the microphone
microphone is assembled
or change for another one
OK or is broken?
OK
End
Inventec Confidential 9
Innovating Customer Value
SIM Card NG
NG
Check whether the SIM card
Reassemble the SIM card
is assembled OK?
OK
NG
Move to service zone
Check if it is in the service
and try again
OK
NG
Check SIM socket is jointed OK Joint the socket or
or the socket is broken? change for another one
OK
End
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Innovating Customer Value
TF card
inefficacy
Check whether the TF card NG Reassemble the TF card,
is assembled OK? Ensure to touch is good.
OK
NG
Check TF card socket Re-solder or change
Pin is jointed OK? for another one
END
Inventec Confidential 11
Innovating Customer Value
FM inefficacy
Check whether the NG Reassemble the earphone,
earphone is assembled OK? Ensure to touch is good.
OK
NG
CHK whether FM
FM parameter set is correct.
set is correct?
END
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Innovating Customer Value
No Bluetooth
Open to Bluetooth set is
Check whether the NG correctly , confirm to search
Bluetooth equipment is ok? external Bluetooth device is OK
OK
Check whether the antenna
NG Adjust the spring slice or change
spring slice is absolutely
a new one to make it touch well
Touched with the PAD
OK
CHK whether external Bluetooth NG
Change for a good Bluetooth headset
headset is working well?
Check whether the Shield cover NG
of RF module is broken? Reassemble the shield cover of the Module
END 13
Inventec Confidential
Innovating Customer Value
No service
Check whether in the NG Move to service zone or check
Service zone whether connect to the tester OK
OK
Check whether the antenna
NG Adjust the spring slice or change
spring slice is absolutely
a new one to make it touch well
Touched with the PAD
OK
Check whether the Shield cover NG Reassemble the shield cover
of RF module is broken of the Module
OK
END
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