HTC Herald Service Manual page 50

7－C．Main Battery does not recharge
(1) Make sure the Battery takes fully charge with AC Adapter.
(2) Check whether the condition of Battery Charging status is correct. Charge should be done
in no more than 3 hours.
(3) Dismantle the unit and check the appearance of Battery cover.
(4) Try with another Battery or Replace Battery 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.
8－A．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) Dismantle and Check whether the Speaker is properly installed (Orientation)
(4) Make sure the connection point between MB and Speaker is free from contamination or dust.
(5) Replace Speaker 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.
(8) Replace Camera if camera function was defect at the same time.
9－A．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) Dismantle and Check whether the Microphone is properly installed (check or missing rubber)
(4) Replace Microphone if necessary.
(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.
10－A．Bezel, Housing Cosmetic damage
(1) Unless it is for Refurbishment, all Bezel, housing replacement due to cosmetic damage shall treat
as out of warranty
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