L2 Repair Document
TCL
Communication Ltd.
Rev.
VFD 900 Level 2 Repair Document
Page
1.3
58/74
All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
6.4 Vibrator issue
Y
Y
Replace PCBA
Vibrating function
failure
Y
C h e c k w h e t h e r t h e c o n n e c t i o n
between Vibrator and PCBA is good
N
Reweld Vibrator
N
Change Vibrator
Check whether Vibrator is
normal
Y
N
Replace sub PCBA
Check whether sub PCBA
is normal
Y
Check whether the connection
between sub FPC, sub PCBA
and main PCBA is good
N
Reassemble sub
FPC
Y
N
Replace sub FPC
Check whether sub FPC is
normal
Y
N
Reweld or r
eplace
sub FPC connector
Check whether sub FPC
connector is normal