L2E Repair Document
TCL
Communication Ltd.
Rev.
VFD 700 Level 2 Enhance Repair Document
Page
1.0
64/77
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8.2.14 USB is not recognized
Replace main PCBA
Check whether USB cable
is normal
N
Replace
USB cable
Y
Y
Check whether J101 is
normal
N
Reweld or replace
J101
N
Check whether the connection
between ACF module and
J1205 are good
Y
Y
N
Check whether ACF
module is good
Replace ACF module
Reassemble ACF
module
Y
Check whether J1205 is
normal
N
Reweld or replace
J1205