Lenovo S660 Service Manual page 27

BB-11 Speaker no function (喇叭無聲)
•
1. 確認MB to SB FPC是否連接ok
•
Check MB to SB FPC is well connected
• 2. 確認Speaker彈腳及阻抗是否正常 (正常阻抗約8Ω)
•
Check speaker shrapnel and resistance are at normal condition (normal
resistance is 8Ω)
• 3. 確認Speaker周邊電路是否異常？[鍚短 or 空焊]?
•
Check if speaker and related circuit are at normal condition
SPK 彈片
SPK shrapnel
Company confidential
SPK周邊電路
SPK circuit around
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