HTC SM-TP001-0704 4Unusual Vertical / Horizontal lines or partial display , 5Back Light Does Not Turn ON/OFF , 6CF/SD Card cannot be used

Doc. No. DOC-00045694 REV.
Issued Date 2008/8/21
. Revised Date 2008/11/6 A01
Doc. T itle Blackstone Service Manual Page 79 of 96
HTC CONFIDENTIAL
SM-TP001-0704
HTC Corporation
4．Unusual Vertical / Horizontal lines or partial display
(1) Check the connection of LCM FPC whether is prop erly 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 prop erly 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．CF/SD Card cannot be used
(1) Check wheth er CF/SD Card is fully inserted to the slot until you hear a click.
(2) Try to re-flash the ROM code.
(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.