TCL Alcatel POP4-10 4G&VF - Display and Touchscreen Troubleshooting

L2 Repair Document TCL Communication Ltd.
Rev.
9030G/9030Q/VDF1400
Level 2 Repair Document
Page
1.0
32/44
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 Display failure
Check whether the connection
b e t w e e n Furnished Front
Casing&TP&LCM a n d LCD
connector is good
N
N
Check whether LCD connector is
normal
Y
Check whether Furnished
Front Casing&TP&LCM is
normal （ interc h ange
method）
N
Reassemble Furnished
Front Casing&TP&LCM
Reweld or replace LCD
connector
Change Furnished Front
Casing&TP&LCM
Y
Y
Replace PCBA
Display failure
Y