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6.3 Troubleshooting & Repair
Before attempting to Diagnose the unit received for repair, perform a Full Reset (Cold
Boot) in advance.
Main Unit Does Not Respond to Power Button
Main Unit Does Not Respond to Battery Switch
(1) Make sure the Battery is installed properly to activate the battery pack.
(2) Connect the AC Adapter, maybe the battery pack is exhaust.
(3) Check the Battery lock is close properly.
(4) Try with another battery pack.
(5) Replace battery pack if necessary.
(6) Check all connections including LCD FPC to Main Board. Try with another Main Board.
(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.
Touch Panel Does Not Respond to Screen Tap
(1) Dismantle the unit, check the perimeter of Display between Front Bezel and Touch Panel
surface for unusual foreign objects. Clean it, reassemble the unit and check the panel’s
function again.
(2) Check the connection of LCM FPC whether is properly connected.
(3) Try with another LCM.
(4) Try with another Main Board.
(5) Replace LCM if necessary
(6) Replace Main Board if necessary.
(7) Once the defective part has been identified, verify it again with the defective part whether the
symptom could be duplicated.
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© 2001, HTC Corporation. All rights reserved. TOTAL 43 CONT.ON. 29 PAGE NO. 28