HTC Corporation
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Doc. Title | Diamond Service Manual |
Doc. No. | |
Issued Date | 2008/4/14 |
| A05 |
Revised Date | 2008/6/23 |
Page | 83 of 109 |
4．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
(4)Try with another T/P with housing assembly.
(5)Try with another Main Board.
(6)Replace T/P with housing assembly 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.
5．Back Light Does Not Turn ON/OFF
(1)Check the connection of LCM FPC whether is properly connected.
(2)Try to
(3)Try with another T/P with housing assembly.
(4)Try with another Main Board.
(5)Replace T/P with housing assembly 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.
6．PC Connection not possible
(1)If test result is NFF, it is possible caused by user connect cradle to computer before ActiveSync is installed.
(2)Check whether “Connection Settings” in the MS ActiveSync is properly set.
(3)Check whether it connects with other cables or cradle, customer’s cable might be damaged.
(4)Check the external appearance of the connector on the unit whether it is physically damaged.
(5)Try to
(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.
HTC CONFIDENTIAL