Lenovo S960 Panduan Servis - Halaman 33

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LENOVO S960 Cellphone Service Manual

Problem: FrequencyErr

Reason: It's not calibrated; or there's outside interference.

Troubleshooting: Re-calibrate.

4.5 WiFi test

Problem: Can't find WiFi

Reason: WiFi/BT/GPS/FM four-in-one chip (U2306) and its surrounding circuits have soldering

problems.

Troubleshooting:

Does U2301 have a dry joint problem?

4.4.3 FrequencyErr

Can't find WiFi.

Does MT6628(U2306) have a dry

joint problem?

Replace main chip MT6628(U2306).

Re-solder.

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