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6/30/2008 2:31:32 PM
Doc. No. DOC-00040624
REV.
Issued Date 2008/4/14
.
Revised Date 2008/6/23
A05
Doc. Title
Diamond Service Manual
Page 83 of 109
HTC CONFIDENTIAL
SM-TP001-0704
HTC Corporation
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 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 a
gain 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 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 a
gain 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 Ac
tiveSync is properly set.
(3) Check whether it connects with other cables o
r cradle, customer’s cable might be damaged.
(4) Check the external appearance of the conne
ctor on the unit whether it is physically damaged.
(5) Try to re-flash the ROM code.
(6)
Replace Main Board if necessary.
(7)
Once the defective part has been identified, verify it a
gain with the defective part whether the symptom
could be duplicated.