L2 Repair Document
TCL
Communication Ltd.
Rev.
5056O
Level 2 Repair Document
Page
1.0
40/60
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z
Charging failure
Replace battery
N
N
Check whether the voltage of the battery is
0V and Charge for 15 minutes, check
whether battery is good.
check whether the charge indicator is
normal
C h e c k w h e t h e r b a t t e r y
connector is good
reweld or replace
battery connector
Y
Y
Y
N
Charging failure
Y
Replace PCBA
Check whether USB
connector is normal
Reweld or replace
USB connector
Y
Check whether Main FPC
connector is normal
Reweld or replace
Main
FPC
connector
Y
N
N
Check whether the connection
between main FPC and main
FPC connector is good
N
Reassembl
e or replace
main FPC
Y
In case the Level 2 repair can’t solve the problem, or the PCBA is damaged, exchange the PCBA.
8
L2 Enhance repair
Before performing the following troubleshooting operations, please make sure the software of the
device is in good condition and restored to default settings.