ThinkPad R50e (MT 1834/1842/2670) R51e (MT 1843/1844/1845) R52 (MT 1846/1847/1848/1849/ 1850/1858/1859/1860/1861/ 1862/1863/1870) Manual

About this manual

This service manual provides detailed maintenance information for the ThinkPad R50e, R51e, and R52 series, including hardware specifications, FRU part numbers, and troubleshooting guidance. It is intended for trained service personnel and includes safety precautions, RoHS compliance notes, and reference to Lenovo's diagnostic tools.

The document covers FRU replacement guidelines, hard‑disk drive removal, error‑message interpretation, and includes a parts list with model numbers. Safety sections such as "安全に正しくお使いいただくために" and "安全上の注意" are provided to ensure proper handling of the equipment. This manual is written in Japanese.

What's inside

• About this Manual
• Introduction
• Important Maintenance Information
• FRU Replacement Guidelines
• Hard Disk Drive Replacement
• Error Message Usage
• Product Definition
• FRU Identification
• RoHS Compliance Information
• Safety Instructions

Specifications

Frequently asked questions

Where can I find guidelines for FRU replacement?

Guidelines are in the section titled "FRU 交換時の心得" (FRU replacement guidelines).