Touch Panel Failure - Huawei U8350 Maintenance Manual

9.9 Touch Panel Failure

Reference Figure 9-9
Sidekey FPC
2011-05-18
U8350 Maintenance Manual Basic Version V1.0
Touch Panel failure
Update the touch Panel
firmware, then check whether
the phone is OK?
N
Check whether the Handset
Sidekey FPC is normal?
Y
Check whether J1302 is
normal?
N
Replace the Touch Panel,
test whether it is normal?
N
Replace the U401
Figure 9-9
Huawei confidential. No spreading without permission.
End
Y
Replace Handset
N
Sidekey FPC.
Replace the
Y
J1302
Y End
J1302
Internal
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