Table of Contents
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Touch panel not work
1.14
Schematic diagram：
2013-10-18
YU220 service manualV1.0
Camera
abmornal
Webcam monomer
exception
No
Power
supply
output
Yes
Clock with
output
Yes
Data are
output
Yes
Air welding
connectors
No
Replace CPU
Huawei secrets, no dispersion without permission
Update
Yes
the new
monom
er
Short circuit
No
or
Air welding
Short circuit
No
or
Air welding
Short circuit
No
or
Air welding
Yes
Plus welding
Retest
after
weldin
g
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