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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 re-flash the ROM code.
(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 re-flash the ROM code.
(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．microSD Card cannot be used
(1) Check whether microSD Card is fully inserted to the slot until you hear a click.
(2) Try to re-flash the ROM code.
(3) Try with another microSD 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
HTC Corporation
.
Neon Service Manual
Doc. No.
DOC- 00036367
Issued Date
1/12/2007
Revised Date
11/19/2008
Page
66 of 88
SM-TP002-0706
REV.
A06
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