HTC Confidential
HTC confidential
© 2001, HTC Corporation. All rights reserved.
TOTAL 36 CONT.ON. 27 PAGE NO. 26
6.Problem Diagnostics
6.1 List of Test Jigs
Item Name
Usage
Remark
USB Cable
For data port test
Special Plastic Tool
For unit disassembly
AC Adapter
For battery recharge and power related tests
Earphone
For audio test
SD Card or MMC Card
For write protect, read and write test
<Hardware Requirement for PC>
O.S.: Windows 2000 or above.
CPU: Pentium 166MHz or above.
Memory: 64MB
PC Link: ActiveSync 3.5 or above.
6.2 Troubleshooting & Repair
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Main Unit Does Not Respond to Power Button
(1) Connect the AC adapter, maybe the battery pack is exhaust and wait for few mins if unit boot.
(2) Check if the battery cover closed properly, check the micro switch under the battery cover if any damage.
(3) Check the Power Button if any damage.
(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.
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Touch Panel Does Not Respond to Screen Tap
(1) Check the connection of LCM FPC cable whether is properly connected.
(2) Try with another LCM.
(3) Try with another Main Board.
(4) Replace LCM if necessary
