L2 Repair Enhance Document
TCL
Communication Ltd.
Rev.
Neon PRD62980/62981 L2 Enhance Repair Document
Page
1.0
55/69
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3) Please use hot wind gun to reweld or disassemble/assemble the component mentioned afterwards.
(hot wind gun temperature: 330
℃
, Air Level: 2~3, Height: around 10mm, Time: less than 60s)
4) Before rewelding or disassembling/assembling the component, DO remember to paste high
temperature adhesive tape on the components which are close to it, in order to avoid damaging of
these components.
7.2.1 Power on issue
Check whether power key FPC
is damaged
N
Y
Check whether power key
connector J2501 is damaged
Power on failure
Replace PCBA
Charge for 15 minutes, check
whether can power on
Replace power key
FPC
N
N
R e w e l d o r R e p l a c e
p o w e r k e y c o n n e c t o r
J2501
Y
Check whether battery status is good
N
Replace it with a new
battery
Y
