This document is a Hardware Maintenance Manual for the Lenovo Legion C530/C730 series desktop computers. It provides service and reference information intended for trained servicers familiar with Lenovo computer products.
Function Description
The manual details the process of maintaining and replacing various hardware components of the Lenovo Legion C530/C730 series desktop computers. It covers general safety information, specifications, general checkout procedures, use of the Setup Utility (BIOS), symptom-to-FRU (Field Replaceable Unit) index, location of connectors and components, and detailed instructions for replacing major FRUs and CRUs (Customer Replaceable Units). The Setup Utility allows users to view and change configuration settings, set passwords (Administrator and Power-On), and enable/disable various devices such as serial ports, USB functions, ATA drives, video, onboard audio, and Ethernet controllers. It also provides options for selecting startup devices.
Important Technical Specifications
The manual lists environmental specifications for the computer:
- Air temperature:
- Operating: 10° to 35°C
- Transit: -20° to 55°C
- Humidity:
- Operating: 35% to 80%
- Transit: 20% to 90% (at 40°C)
- Altitude: 86KPa to 106KPa
- Electrical input:
- Input voltage: 90V-264V (AC)
- Input frequency: 47Hz-63Hz
The manual also highlights lifting safety precautions, advising against lifting objects weighing more than 16 kg (35 lb) and providing guidelines for safe lifting practices. It also states a caution against placing objects weighing more than 82 kg (180 lbs) on top of rack-mounted devices.
The motherboard layout is illustrated, showing the locations of various connectors and components:
- HDMI-out connectors (optional)
- USB 3.1 Gen 1 connectors (2)
- USB 3.1 Gen 2 connectors (2)
- USB 2.0 and Ethernet connectors
- System fan connector
- Rear audio connectors
- Front audio connector
- Graphic card slot
- Battery
- Wi-Fi card slot
- SATA 3.0 connectors (2)
- SATA 3.0 connector
- M.2 storage drive connector
- Front fan connector
- Front USB 3.1 Gen 1 connectors (2)
- 10-pin power connector
- Auxiliary fan connector
- Memory slots (2)
- Microprocessor socket
- 4-pin power connector
Usage Features
The manual outlines how to use the Lenovo BIOS Setup Utility program to:
- Start the utility: By pressing and holding the F1 key during power-on.
- View and change settings: Navigate through menus using the keyboard.
- Set passwords: Administrator and Power-On passwords can be set, changed, or deleted. Passwords can be up to 16 characters, combining letters and numbers, and are not case-sensitive for Administrator and Power-On passwords.
- Enable/disable devices: Control access to Serial Port, USB functions, ATA Drive, Video, Onboard Audio Controller, and Onboard Ethernet Controller/LAN Boot Agent.
- Select startup device: Temporarily or permanently change the boot sequence.
Maintenance Features
The document is primarily a maintenance guide, offering detailed instructions for replacing various components. Key maintenance features include:
- General safety information: Emphasizes good housekeeping, safe lifting, electrical safety, and handling electrostatic discharge-sensitive devices. It includes warnings about electrical hazards, laser radiation, and lithium battery handling.
- Safety inspection guide: A checklist for identifying potentially unsafe conditions, covering exterior damage, power cord integrity, internal alterations, and cable conditions.
- General checkout: A procedure to diagnose problems by checking error codes, display messages, and systematically removing components.
- Symptom-to-FRU Index: Helps identify the most likely cause of an error based on symptoms, such as hard disk drive boot errors and power supply problems.
- Detailed replacement procedures: Step-by-step instructions for replacing:
- Keyboard and mouse
- Left and right computer covers
- Front bezel
- LED board
- Power supply assembly
- Optical drive
- M.2 storage drive (including heat-sink removal/installation)
- 3.5-inch storage drive
- Graphic card
- Memory module
- Wi-Fi card
- Front Wi-Fi antenna
- Rear Wi-Fi antenna
- Thermal sensor
- Heat-sink and fan assembly
- Microprocessor (CPU)
- Front fan
- Rear fan
- Motherboard
- Power management: Information on ACPI BIOS and automatic power-on features like "Wake Up on Alarm" and "Wake Up on LAN."
- FRU and CRU identification: A table listing major FRUs and CRUs, indicating whether they are self-service or optional-service.
- Support resources: Directs users to
http://www.lenovo.com/serviceparts-lookup for detailed FRU information.
The manual consistently advises turning off the computer, unplugging power cords, and disconnecting all cables before performing any maintenance. It also recommends placing the computer on a soft, flat surface to prevent damage during disassembly.
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