HTC QUARTZ Service Manual page 59

Doc. Title
(3) Try to re-flash the ROM code.
(4) Clean up the speaker connection side on MB if there is any contamination.
(5) Dismantle and Check whether the Speaker is properly installed (Orientation)
(6) Replace Speaker 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.
11．No Recorded Sound or Distorted sound
(1) Check "Sound & Notifications" Settings in the unit for Sound Enabling.
(2) Make sure it's not MUTED.
(3) Try to re-flash the ROM code.
(4) Replace Main Board if necessary.
(5) Once the defective part has been identified, verify the defective part again whether the symptom could be
duplicated with another unit.
12．Wireless connection (WLAN/BT) not functioning
(1) Make sure the wireless environment is OK before connecting to WLAN.
(2) Make sure the wireless connection setting has properly set.
(3) Make a life connection with Internet or another device.
(4) Try to re-flash the ROM code.
(5) Try with another main board if necessary.
(6) Once the defective part has been identified, verify the defective part again whether the symptom could be
duplicated with another unit.
13．WIMAX connection not functioning
(1) Make sure the wireless environment is OK before connecting to WIMAX.
(2) Make sure the wireless connection setting has properly set.
(3) Make a life connection with Internet.
(4) Go into boot loader mode and check CA data checksum is correct or not.
(5) Try to re-flash the ROM code.
(6) Try with another main board if necessary.
HTC CONFIDENTIAL
HTC Corporation
.
QUARTZ Service Manual
Doc. No. DOC-00046130
Issued Date 2008/9/1
Revised Date 2008/12/10
Page 59 of 80
SM-TP001-0704
REV.
A05