Lenovo P70 Hardware Maintenance Manual

iii Chapter 1. Safety information. . . . . . 1 General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 1 Safety inspection guide . . . . . . . . . . . . 2 Handling devices that are sensitive to electrostatic discharge. . . . . . . . . . . . . . . . . . 3 Grounding requir ...

FRU . . . . . . . . . . . . . . . . . . 69 General guidelines . . . . . . . . . . . . . 69 Before servicing the computer . . . . . . . . 70 Removing the micro SIM card . . . . . . . 70 Removing the dummy ExpressCard . . . . 70 Removing a major FRU . . . . . . . . . . . 71 1010 Battery. . . . . . . . . . . . . . 71 1020 Bott ...

This manual contains service and reference information for the following ThinkPad® products. ThinkPad P70 Machine types (MT): 20ER and 20ES Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use t ...

This chapter presents following safety information that you must be familiar with before you service a ThinkPad notebook computer. • “General safety” on page 1 • “Electrical safety” on page 1 • “Safety inspection guide” on page 2 • “Handling devices that are sensitive to electrostatic discharge” on page 3 ...

accident occurs, you can then operate the switch or unplug the power cord quickly. • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. • Disconnect all power before: – Performing a mechanical inspect ...

• Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal electrical shock) • Explosive hazards, such as a damaged CRT face or a bulging capacitor • Mechanical hazards, such as loose or missing hardware To determine whether there are any potenti ...

reference point. You can use coax or connector-outside shells on these systems. – Use the round ground prong of the ac plug on ac-operated computers. Grounding requirements Electrical grounding of the computer is required for operator safety and correct system fu ...

The laser compliance statements in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese 18 ThinkPad P70 Hardware Maintenance Manual ...