L2 Repair Document
TCL
Communication Ltd.
Rev.
VFD 900 Level 2 Repair Document
Page
1.3
55/74
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6.1 power on issue
Check whether power key
FPC is damaged
N
Y
Check whether power key
FPC connector is damaged
Power on failure
Replace PCBA
Charge for 15 minutes, check
whether can power on
Replace power key
FPC
N
N
Reweld or Replace power
key FPC connector
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 battery
connector is normal
N
R e w e l d o r R e p l a c e
battery connector
Y