L2E Repair Document
TCL
Communication Ltd.
Rev.
9015B
Level 2E Repair Document
Page
1.0
26/41
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N
Check whether power key
connector is damaged
Power on failure
Replace PCBA
Charge for 15 minutes, check
whether can power on
N
R e w e l d o r R e p l a c e
power key connector
Y
Check whether battery status is good
N
Replace it with a new
battery
Y
NOTE: In case the Level 2 repair can’t solve the problem,
For L2E repair center, please proceed with L2E repair process in L2E repair center;
For L2 repair center, please 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.
8.1 Repair notification
1) Because the main PCBA will become damp after long time storage, please use oven to bake the main
PCBA firstly if it has been stored for more than 7days (oven temperature: 105
±
5
℃
, Tim e: >8H).
Otherwise it may cause the PCBA blister easily when you heat part of the PCBA by using hot wind gun.
