Lenovo S660 Service Manual page 21

BB-8 Vibrator no function (馬達無振動)
• 1. Check if motor is in normal condition (Resistance is 30Ω) (確認馬達是否正常
(馬達阻抗約30Ω))
• 2. Check if motor soldering condition (確認馬達是否有異狀[鍚短 or 空焊]?)
•
3. Check if D309 is reversed, C331 soldering condition is good (檢查D309是否反
向，C331焊接是否有异常[鍚短 or 空焊]?)
•
4. VIBR_PMU voltage is normal when booting (啟動時VIBR_PMU電壓是否正常)
Company confidential 21