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L2E Repair Document
TCL
Communication Ltd.
Rev.
5085Y/D/A/B/J/Q/I/N/H
L2E Repair Document
Page
1.3
43/58
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7.2.2 Power on failure
Check whether side key spring
is damaged
Y
Check whether battery
connector J0601 is normal
Replace PCBA
R e w e l d o r R e p l a c e
side key spring
N
N
Reweld or Replace
battery connector J0601
Y
Check whether battery status is good
N
Replace it with a new
battery
Y
Check whether the connection
b e t w e e n battery a n d battery
connector is good
N
Reassemble battery
Y
Check whether side key FPC
is damaged
N
R e p l a c e s i d e k e y
FPC
Y
Check whether the connection
between side key FPC and
side key spring is good
N
Reassemble side key
FPC
Y
Check whether C0601 or
D0601 is normal
Y
Check whether Y0501 is
normal
R e w e l d o r R e p l a c e
C0601 or D0601
N
N
Reweld or Replace
Y0501
Y
Check whether U0501 is
normal
N
Reweld or Replace
U0501
Y