Lenovo S660 Service Manual page 48

RF-2:GSM Trouble shooting (2/3)
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GSM發射路徑 GSM transmission path
– 由於2G PA和ASM整合在U1302,檢查發射時對應邏輯控制電壓是否正確
– Due to 2G PA and ASM assembly in U1302, check logical control voltage is correct
when transmission testing
– 使用示波器量測 圖所標腳位的電壓是否符合右 列表
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Use oscilloscope test below pins voltage if they match the right bottom table
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