Lenovo V480, V480c Hardware Maintenance Manual
Page 36
...verify a symptom, do the following symptoms might indicate damage caused by spilling a liquid onto the keyboard • Use of an incorrect ac power adapter on laptop products The following : 1. See the following figure: Pin Voltage (V dc) 1 +20 2 0 2 1 Note: Output voltage of pin no.2 of...that power is acceptable, do the following : • Replace the system board. • If the problem persists, go to Chapter 5 "Lenovo V480 and V480c" on the computer. Measure the output voltage at the plug of the ac power adapter for correct continuity and installation. • If the...
...verify a symptom, do the following symptoms might indicate damage caused by spilling a liquid onto the keyboard • Use of an incorrect ac power adapter on laptop products The following : 1. See the following figure: Pin Voltage (V dc) 1 +20 2 0 2 1 Note: Output voltage of pin no.2 of...that power is acceptable, do the following : • Replace the system board. • If the problem persists, go to Chapter 5 "Lenovo V480 and V480c" on the computer. Measure the output voltage at the plug of the ac power adapter for correct continuity and installation. • If the...
