Lenovo ThinkCentre E73z Hardware Maintenance Manual

under Appendix A “Notices” on page 115. Second Edition (January 2014) © Copyright Lenovo 2013, 2014. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925. ...

Important safety information . . . . . . . . . . 1 Chapter 2. Safety information. . . . . . 3 General safety . . . . . . . . . . . . . . . . 3 Electrical safety . . . . . . . . . . . . . . . 3 Safety inspection guide . . . . . . . . . . . . 5 Handling electrostatic discharge-sensitive devices . . . . . . . . . . . . . . . . . . 5 Grounding requirements . . . . . . . . . . . . 6 Safety notices (multi-lingu ...

. . . . . . . . . 82 Removing and reinstalling the system board shield . . . . . . . . . . . . . . . . . . 83 Replacing the rear I/O assembly. . . . . . . . 84 Removing the VESA mount bracket . . . . . . 86 Replacing the power supply . . . . . . . . . 87 Replacing the microprocessor fan . . . . . . . 88 Replacing the heat sink assembly . . . . . . . 90 Replacing the microprocessor . . . . . . . . 91 Replacing the card reader . ...

This manual provides service and reference information for ThinkCentre® computers listed on the front cover. Chapter 7 “Symptom-to-FRU Index” on page 59 and Chapter 10 “Additional service information” on page 111 are not specific to any machine type and are applicable to all ThinkCentre computers. For major Field Replaceable Units (FRU) locations and Customer Replaceable Unit (CRU) identification, see Chapter 8 “Loca ...

This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: • Observe good housekeeping in the area of the machines during and after maintenance. • When lifting any heavy object: 1. Ensure you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting fo ...

Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock. • ...

Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury. This guide addresses only those items. However, good judgment should be used to identify potential safety hazards due to attachment of features ...

• Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. • Use the black side of a grounded work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices. • Select a grounding s ...

• Connect to properly wired outlets any equipment that will be attached to this product. • When possible, use one hand only to connect or disconnect signal cables. • Never turn on any equipment when there is evidence of fire, water, or structural damage. • Disconnect the attached power cords, telecommunications systems, networks, and modems before you open the device co ...

≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 1 2 8 ThinkCentre E73z Hardware Main ...

≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) 1 2 PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. 10 ThinkCentre E73z Hardware Maintenance Manual ...

• Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. • Conecte todos os cabos de alimentação a tomadas elétricas corretamente instaladas e aterradas. • Todo equipamento que for conectado a este produto deve ser conectado a tomadas corretamente instaladas. • Quando possível, utilize apenas uma das mãos para conec ...

pode resultar em exposição prejudicial à radiação. PERIGO Alguns produtos a laser contêm diodo de laser integrado da Classe 3A ou da Classe 3B. Observe o seguinte: Radiação a laser quando aberto. Não olhe diretamente para o feixe a olho nu ou com instrumentos ópticos e evite exposição direta ao feixe. ≥18 kg (37 lbs) ≥32 kg (70.5 lb ...

un danger. Pour éviter tout risque de choc électrique : • Ne manipulez aucun câble et n'effectuez aucune opération d'installation, d'entretien ou de reconfiguration de ce produit au cours d'un orage. • Branchez tous les cordons d'alimentation sur un socle de prise de courant correctement câblé et mis à la terre. • Branchez s ...