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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
46/58
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7.2.5 No Ringing
Y
N
C h e c k w h e t h e r s u b
PCBA is good
Replace sub PCBA
N
R e w e l d o r r e p l a c e
J0102 or J0704
Check whether J0102 or
J0704 is normal
Y
Y
N
Reassemble Main & Sub
board Furnished FPC
Check whether the
connection between sub
PCBA and main PCBA is
good
Y
Replace Main PCBA
C h e c k w h e t h e r U 0 5 01 i s
normal
N
Reweld or replace
U0501
N
R e p l a c e Main & Sub
board Furnished FPC
C h e c k w h e t h e r Main &
Sub board Furnished FPC
is normal
Y
Y
N
Reassemble Main
Antenna Support ASM
Check whether the
connection between sub
PCBA and speaker is
good
N
R e p l a c e Main Antenna
Support ASM
Check whether speaker
is normal
Y
N
Check whether U1101
is normal
Y
R e w e l d o r r e p l a c e
U1101