HTC SkyWriter Service Manual page 50

Doc. Title
Items to Check
Problem Area
7.3.2 Network/Signal Problems **
Items to Check
Problem Area
Exclude software issue.
No Signal or
Poor Signal
Check if the phone function
is active.
Visually inspect SIM Holder
Visually inspect the
Antenna Connector
Visually inspect the
Antenna Cover.
(Make sure the antenna is
the correct part for region.)
Visually inspect the
Antenna spring
Visually inspect the
Antenna switch
HTC confidential
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TOTAL 83
宏達國際電子股份有限公司
HTC Corporation
SkyWriter Service Manual
PAGE NO. 50
Revised Date
Repair Action
•
Replace Main Board if
necessary.
Repair Action
•
Try to hardware reset the
unit and try again.
•
If it disabled, please turn
it on.
•
If dirty or oxidized– Clean
•
If damaged – Send to an
electrical repair location
to change it.
•
If dirty or oxidized– Clean
•
If damaged – Send to an
electrical repair location
to change it.
•
If dirty or oxidized –
Clean
•
If damaged – Replace
the Antenna cover
•
If dirty or oxidized –
Clean
•
If damaged – Change the
Antenna spring.
•
If dirty or oxidized –
Clean
•
If damaged – Change the
Antenna spring.
Doc. No. DOC-00045404
Issued Date
2008/08/18
2008/08/15
Page 50 of 83
Remark
Remark
REV.
A01