Lenovo S660 Service Manual page 6

BB-1 Can not power on (無法開機) (1/3)
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1. Check if battery power level is low (確認電池是否有電?)
–
VBATT (TP09 > 3.6V)
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2. Check if J802 soldering condition is good (確認J802吃錫狀況是否正常?)
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3. Check if power button is functional (確認開機鍵是否正常?)
– PWRKEY(TP11 > 2.8V)
– TP11 connect with ground wire to power on (跟地短路後可將系統開機)
TP09 > 3.6V
Company confidential
TP11 > 2.8V
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