Power System Checkout; Checking The Ac Adapter; Checking Operational Charging - Lenovo IdeaPad S210 Touch Hardware Maintenance Manual
Hide thumbs
Also See for IdeaPad S210 Touch:
- User manual (36 pages) ,
- Hardware maintenance manual (90 pages)
Table of Contents
Advertisement
Power system checkout
To 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 the
If you suspect a power problem, see the appropriate one of the following power
supply checkouts:
• "Checking the AC adapter" on page 21
• "Checking operational charging" on page 21
• "Checking the battery pack" on page 23
Checking the AC adapter
You 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 AC
• If the computer does not charge during operation, go to "Checking
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 the
Note: Output voltage for the AC adapter pin No. 2 may differ from the one you
are 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 S210/S210 Touch/S215/S215 Touch"
Note: Noise from the AC adapter does not always indicate a defect.
Checking operational charging
computer.
adapter for correct continuity and installation.
operational charging".
following figure:
on page 28.
General checkout
Pin
Voltage (V DC)
1
+20
2
0
21
Hide quick links:
Advertisement
Chapters
Table of Contents
