HTC Rev. A05 User Manual

6/30/2008 2:31:32 PM

Doc. No. 

DOC-00040624  REV. 

Issued Date 

2008/4/14 

. 

Revised Date 

2008/6/23 

A05 

Doc. Title 

Page 

82  of  109 

 

SM-TP001-0704 

HTC Corporation 

 

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．Touch Panel Does Not Respond to Screen Tap

(1) Check the connection of LCM FPC cable whether is properly connected. 

(2) Try to cold boot the unit then perform screen tap again. 

(3) Try with another T/P with housing assembly. 

(4) Try with another Main Board. 

(5) Replace T/P with housing if necessary 

(6) Replace Main Board if necessary. 

(7) Once the defective part has been identified, verify the defective part again whether the symptom could be 

duplicated with another unit. 

3．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.