L1&L2
Service
Manual
TCL
Communication Ltd.
Rev.: 1.0
Venice 5048A_I_U_Y & 5148A_I Level 1 & Level 2 Service Manual
Page: 11/32
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2.1. L1 repair process
1) Level 1 repair: Simple maintenance and accessories replacement, such as: cleaning, casing
reassembly, accessories replacement (including data cable, headset, charger, etc.), escalation to
upper level repair centers, check the failure, SW upgrading, handset replacement, etc.
2) Level 1 RC must refer to this repair flow chart when proceeding with L1 repair.
Start
Function Retest
(*use
Smart Diagnosis
tool or MMI test
)
Pre test & failure confirm
(*use
Smart Diagnosis
tool or MMI test
)
Visual inspection
Warranty check
SW upgrading
Accessory replacing
Test NG
NG
END
OK
Test OK
OK
Accessory test
NG
GDPR notice: Personal data must be
saved by end user when possible
before repair, as no personal data
will be save by RC. Otherwise user
data will be deleted systematically
during repair process
Handset
replacement?
Yes
NO
Escalate to L2 Repair
Center
SW upgrading
Remind end user to
back up and clear
personal data
Factory Reset
* Smart Diagnosis tool to be used systematically (MMI to be a workaround solution when Smart
Diagnosis tool do not work properly or certain test items are not contained in Smart Diagnosis tool.