Trouble Shooting Process; Warm Boot And Cold B /Faulty Tree - HTC SkyWriter Service Manual

Doc. Title
7.3 Trouble shooting process/Faulty tree
7.3.1 Power / Battery **
Items to Check
Problem Area
No Power Exclude software issue.
On/Can't boot
Check if the battery is
official battery or not.
Use voltage meter to check
if the battery voltage is too
low.
Visually inspect the contact
pads of Battery
Visually inspect Battery
Connector
Check the power on key
works normally or not.
Check all connectors
including LCD FPC to Main
Board.
Software re-download.
HTC confidential
© 2008 HTC CORPORATION. ALL RIGHTS RESERVED.····························································
TOTAL 83
宏達國際電子股份有限公司
HTC Corporation
SkyWriter Service Manual
PAGE NO. 49
Revised Date
Repair Action
•
Try to hard reset the unit
and try again.
•
If not— Replace battery.
•
If voltage is under 3.8V,
insert charger to handset.
•
If dirty or oxidized –
Clean pads
•
If damaged – Replace
Battery
•
If dirty or oxidized –
Clean
•
If damaged –Use hot air
to change it.
•
If dirty – Clean
•
If damaged – Replace
power on switch.
•
If the connection status is
not good, assemble the
Unit again.
•
Try to start boot-loader
mode [refer to section
5.1]. Re-flash ROM if
boot loader mode is
enabled.
Doc. No. DOC-00045404
Issued Date
2008/08/18
2008/08/15
Page 49 of 83
Remark
REV.
A01