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Doc. No. DOC-00044120 REV.
Issued Date 2008/07/17
.
Revised Date 2009/01/15
A03
Doc. Title
Converse Service Manual
Page 61 of 78
HTC CONFIDENTIAL
SM-TP002-0706
HTC Corporation.
7. Generic Troubleshooting
1 Main Unit Does Not Respond to Power Button
(1) Connect the AC adapter, maybe the battery pack is exhaust and wait few minutes for battery recharging.
(2) Check if battery installed well.
(3) Check the Power Button whether it’s damaged.
(4) Replace another battery pack.
(5) Try to start boot-loader mode [refer to section 4.2]. Re-flash ROM if boot loader mode is enabled.
(6) Check all connectors including LCD FPC to Main Board.
(7) Replace Main Board if necessary.
(8) Once the defective part has been identified, verify the defective part again whether the symptom could be
duplicated with another unit.
2 Buttons Do Not Respond
(1) Try to cold boot the unit then tries again.
(2) Dismantle the unit; check the status of switches on the Main Board and the plastic parts of the Button not
responding.
(3) Try with another Main Board or Front Bezel.
(4) Replace Main Board or Front Bezel if necessary.
(5) Once the defective part has been identified, verify the defective part again whether the symptom could be
duplicated with another unit.
3 Unusual Vertical / Horizontal lines or partial display
(1) Check the connection of LCM FPC whether is properly connected.
(2) Try to cold boot the unit then tries again.
(3) Try to re-flash the ROM code.
(4) Try with another LCM.
(5) Try with another Main Board.
(6) Replace LCM if necessary
(7) Replace Main Board if necessary.
(8) Once the defective part has been identified, verify it again with the defective part whether the symptom
could be duplicated.
4 Back Light Does Not Turn ON/OFF
(1) Check the connection of LCM FPC whether is properly connected.