L2 Repair Document
TCL
Communication Ltd.
Rev.
VFD 900 Level 2 Repair Document
Page
1.3
66/74
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6.12 USB connector issue
Check whether USB
connector is normal
N
N
Y
C h e c k w h e t h e r s u b F P C
connector is normal
N
R e w e l d o r r e p l a c e
USB
connector
Reassemble or replace
sub FPC
Reweld or replace sub
FPC connector
Check whether the connection
b e t w e e n s u b FPC a n d s u b
FPC connector is good
Y
Charging failure
Y
Replace PCBA
Y
7 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).
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
