Use Of Bluetooth; Gps - Search Satellites And Locate - Lenovo S960 Service Manual

LENOVO S960 Cellphone Service Manual

4.6 Use of Bluetooth

Problem: Can't find Bluetooth.
Reason: WiFi/BT/GPS/FM four-in-one chip and its surrounding circuits have soldering problems.
Troubleshooting:
Does MT6628(U2306) have a dry
joint problem?
Does U2301 have a dry joint problem?
Replace main chip MT6628(U2306).

4.7 GPS - search satellites and locate

Problem: GPS can't find satellites, and can't locate.
Reason: WiFi/BT/GPS/FM four-in-one chip and its surrounding circuits have soldering problems.
Troubleshooting:
Does MT6628(U2306) have a dry
joint problem?
Does U2301 have a dry joint
problem?
Replace main chip MT6628(U2306).
Can't find BT.
N
N
GPS can't find satellites.
N
N
Y
Re-solder.
Y
Re-solder.
Y
Re-solder.
Y
Re-solder.
Page 34