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L2 Repair Document
7.11 Speaker issue
No ringing or hands free sound
failure
Check whether speaker is normal
Check whether contact of PCBA
is clean
Replace PCBA
8 PCBA exchange
If Level 2 repair does not solve the failure, it is mandatory to change the PCBA and follow the process as
below.
1)
Collect the PCBA (without accessories, LCD and camera). Main/Sub MIC are enclosed when
exchange the PCBA.
2)
Get a new PCBA from the swap stock. Reuse those accessories to assemble the mobile.
3)
Fill in the record sticker with IMEI number, fault code, short code, Hardware Technical Level and
software version.
4)
Send the NG PCBA with record sticker back to L3 repair center with the recommended packaging
Rev.
1.0
All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
Change speaker
Clean the contact of
PCBA
FL02 Level 2 Repair Document
TCL
Communication Ltd.
Page
51/59
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