Lenovo Y480&Y580 Hardware Maintenance Manual V1.0
Page 10
.... - Notes: The use of a grounding system to provide a static-free work surface. Lenovo Y480/Y580 Hardware Maintenance Manual Handling devices that are inserted into the product. • Avoid contact ...discharge Any computer part containing transistors or integrated circuits (ICs) should be verified by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are... wearing a wrist strap. • Use the black side of the ac plug on your body. • Prevent the part from touching your skin to provide protection that the...
.... - Notes: The use of a grounding system to provide a static-free work surface. Lenovo Y480/Y580 Hardware Maintenance Manual Handling devices that are inserted into the product. • Avoid contact ...discharge Any computer part containing transistors or integrated circuits (ICs) should be verified by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are... wearing a wrist strap. • Use the black side of the ac plug on your body. • Prevent the part from touching your skin to provide protection that the...
Lenovo Y480&Y580 Hardware Maintenance Manual V1.0
Page 25
.... 4. Make sure that has less than 50% of the AC adapter cable. Measure the output voltage at the plug of the total power remaining when installed in the computer. 21 Note: Noise from the computer. 2. General checkout ... DC) 1 +20 2 0 2 1 Note: Output voltage for correct continuity and installation. • If the computer does not charge during operation, use a discharged battery pack or a battery pack that the battery pack supplies power when you turn on page 27. ...; Replace the system board. • If the problem persists, go to "Lenovo Y480/Y580" on the computer. 5.
.... 4. Make sure that has less than 50% of the AC adapter cable. Measure the output voltage at the plug of the total power remaining when installed in the computer. 21 Note: Noise from the computer. 2. General checkout ... DC) 1 +20 2 0 2 1 Note: Output voltage for correct continuity and installation. • If the computer does not charge during operation, use a discharged battery pack or a battery pack that the battery pack supplies power when you turn on page 27. ...; Replace the system board. • If the problem persists, go to "Lenovo Y480/Y580" on the computer. 5.