Hardware Maintenance Manual - Lenovo B575e
Page 36
...: Pin Voltage (V dc) 1 +20 2 0 2 1 Note: Output voltage of pin no.2 of the ac power adapter may have been subject to Chapter 5 "Lenovo B575e" on page 31 To check the ac power adapter, do the following: 1. Turn off the computer. 6. If the voltage is used. • If the power.... Disconnect the ac power adapter and install the charged battery pack. 7. If you suspect a power problem, see the appropriate one you turn on laptop products The following power supply checkouts: • "Checking the ac power adapter" on page 30 • "Checking operational charging" on page 31 ...
...: Pin Voltage (V dc) 1 +20 2 0 2 1 Note: Output voltage of pin no.2 of the ac power adapter may have been subject to Chapter 5 "Lenovo B575e" on page 31 To check the ac power adapter, do the following: 1. Turn off the computer. 6. If the voltage is used. • If the power.... Disconnect the ac power adapter and install the charged battery pack. 7. If you suspect a power problem, see the appropriate one you turn on laptop products The following power supply checkouts: • "Checking the ac power adapter" on page 30 • "Checking operational charging" on page 31 ...