HTC Corporation
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Doc. Title | Blackstone Service Manual |
Doc. No.
Issued Date
Revised Date
Page
2008/8/21
A01
2008/11/6
81 of 96
10．Battery Pack does not recharge
(1)Make sure the Battery Pack takes fully charge with AC Adapter.
(2)Check whether the condition of Battery Charging status is correct. Charge should be done no more than 4 hours.
(3)Dismantle the unit and check the appearance of Battery Pack.
(4)Try with another Battery Pack or Replace Battery Pack if necessary
(5)Try with another Main Board or 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.
11．No Sound from Speaker or Distorted sound
(1)Check “Sound & Notifications” Settings in the unit for Sound Enabling.
(2)Make sure it’s not MUTED.
(3)Try to
(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.
12．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
(4)Dismantle and Check whether the Microphone is properly installed.
(5)Replace Microphone if necessary.
(6)Replace Main Board if necessary.
(7)Once the defective part has been identified, verify the defective part again whether the symptom could be duplicated with another unit.
HTC CONFIDENTIAL