HTC SkyWriter Service Manual page 47

Doc. Title
Black or White dot on the
6
screen.
Touch Screen or Program
7
Buttons are not reacting.
Front Light dim, cannot turn
8 ON, or shuts OFF
automatically.
Cannot playback music, RF
9 function; No sound or
volume is low.
Cannot execute installed
10
application programs
Operation is slow in
11
response
12 Hang up
System Memory is enough,
13
but is shows insufficient.
Wireless connection
14
(WLAN/BT) not functioning
HTC confidential
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TOTAL 83
宏達國際電子股份有限公司
HTC Corporation
SkyWriter Service Manual
For LCD panel's normal behavior, it is hard to find a panel without any bad pixel.
Once the numbers of dots and the distance between them are within the
specifications, it is allowed.
Could be wrong operation.
Screen not properly aligned with the stylus calibration.
Check the Front Light settings in Power Management settings
When Battery low, the music playback and RF function becomes difficult and the
volume could become lower.
Could be an incompatible software
Could be insufficient memory. Check amount of system memory.
Software being used sometimes is not fully compatible with the system.
Execute many application programs simultaneously
Software that requires big amount of memory spaces or the system memory is low
or the file being used is fragmented.
Software that requires big amount of memory spaces or the system memory is low
or the file being used is fragmented.
Make sure the wireless environment is OK before connecting to WLAN.
*Note: Nevertheless, the above symptoms could be solved by a software
reset or hardware reset, make sure the Warm /Cold boot has been executed
and try to reproduce the symptom reported.
PAGE NO. 47
Doc. No. DOC-00045404
Issued Date
2008/08/18
Revised Date 2008/08/15
Page 47 of 83
REV.
A01