Lenovo IdeaPad S206 Hardware Maintenance Manual

Also see for IdeaPad S200: User guide User guide Notice Manual User guide

Contents

General checkout21To verify a symptom, follow the steps below:1. Turn off the computer.2. Remove the battery pack.3. Connect the AC adapter.4. Make sure that power is supplied when you turn on the computer.5. Turn off the computer.6. Disconnect the AC adapter and install the charged battery pack.7. Make sure that the battery pack supplies power when you turn on thecomputer.If you suspect a power problem, see the appropriate one of the following powersupply checkouts:• “Checking the AC adapter” on page 21• “Checking operational charging” on page 21• “Checking the battery pack” on page 22Checking the AC adapterYou are here because the computer fails only when the AC adapter is used.• If the power-on indicator does not turn on, check the power cord of the ACadapter for correct continuity and installation.• If the computer does not charge during operation, go to “Checkingoperational charging”.To check the AC adapter, follow the steps below:1. Unplug the AC adapter cable from the computer.2. Measure the output voltage at the plug of the AC adapter cable. See thefollowing figure:Note: Output voltage for the AC adapter pin No. 2 may differ from the one youare servicing.3. If the voltage is not correct, replace the AC adapter.4. If the voltage is acceptable, do the following:• Replace the system board.• If the problem persists, go to “Lenovo IdeaPad S200/S206” on page 27.Note: Noise from the AC adapter does not always indicate a defect.Checking operational chargingTo check whether the battery charges properly during operation, use adischarged battery pack or a battery pack that has less than 50% of the totalpower remaining when installed in the computer.Power system checkout21Voltage (V DC)+200Pin12