Lenovo A859 Service Manual - Page 19
Browse online or download pdf Service Manual for Cell Phone Lenovo A859. Lenovo A859 36 pages.
Also for Lenovo A859: Important Product Information Manual (23 pages), Quick Start Manual (6 pages), Quick Start Manual (13 pages), Quick Start Manual (33 pages)
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Repair Manual of Lenovo S920 Mobile Phone
Calling
3.6.1 No voice heard from the other side during the call
No voice heard from the other
side during the call
Use earphone and hands-free to verify
whether there is voice?
Replace the headphones and then
rechek whether it is normal
Check whether B1401,B1403 are well
welded. Re-weld and test
Replace U1201
N
Y
Y
N
Y
N
19
Cold solder joint
of main chip or
main
chip
is
abnormal
OK
OK