L2 Repair Document TCL Communication Ltd.
ONETOUCH 8085+LKB001X/A
Level 2 Repair Document
All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
For LTE keyboard
SIM card can’t be recognized
Check whether the SIM card is
good
N
N
C h e c k w h e t h e r S I M c a r d
connector is good
Re-assemble or change
SIM card
Re-weld or change SIM
card connector
Y
Replace main PCBA
Y
SIM card can’ t be
recognized
Y
LTE keyboard can’t be recognized by tablet
Check whether the connection
be t wee n t a b le t a n d L T E
keyboard is good
N
N
Check whether pogo pin PCBA is
good
Re-place the tablet on
keyboard
Re-weld or change
pogo pin PCBA
Y
Replace main PCBA
Y
LTE keyboard can’t
be recognized by
tablet
Y