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| Doc. No. | REV. | |
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| Issued Date | 2008/12/29 | AX02 | |
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| Revised Date | 2009/01/14 | ||
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Doc. Title | Sapphire Service Manual | Page | 63 of 91 | |
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 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.
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 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.
6．CF/SD Card cannot be used
(1)Check whether CF/SD Card is fully inserted to the slot until you hear a click.
(2)Try to
(3)Try with another CF/SD Card.
(4)Try with another Main Board.
(5)Replace Main Board if necessary.
(6)Once the defective part has been identified, verify it again with the defective part whether the symptom could be duplicated.
HTC CONFIDENTIAL
