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ThinkCentre Hardware Maintenance Manual
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Note: Before using this information and the product it supports, be sure to read the information under “Notices,” on page 789. Tenth Edition (August 2009) © Copyright Lenovo 2005, 2008. Portions © Copyright International Business Machines Corporation 2005. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use, reprod
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Contents Chapter1. About this manual .....1 Chapter7. Symptom-to-FRU Index. . . 55 Important Safety Information.........1 Hard disk drive boot error .........55 Important information about replacing RoHS Power Supply Problems..........55 compliant FRUs .............2 Diagnostic error codes...........56 Beep symptoms.............78 POST error codes ............79 Chapter2. Safety information .....3 Miscellaneous error messages ........81 General safety..............3 Undetermined problems........
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Replacing the front audio/USB assembly....144 Machine Type 9358 ...........404 Replacing the power switch/LED assembly . . . 145 Machine Type 9359 ...........419 Replacing the CMOS battery ........146 Machine Type 9438 ...........434 Completing the FRU replacement ......147 Machine Type 9439 ...........450 Machine Type 9481 ...........470 Machine Type 9482 ...........490 Chapter10. Replacing FRUs (Types Machine Type 9487 ...........512 7066, 7098, 9352, 9359, 9482, 9487, Machine Type 9488 ......
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Chapter1. About this manual ® This manual contains service and reference information for ThinkCentre computers listed on the cover. It is intended only for trained servicers who are ® familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety Information. See Chapter2, “Safety information,” on page 3. The Symptom-to-FRU Index and Additional Service Information chapters are not specific to any machine type and are applicable to all ThinkCentre computers.
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Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market and sold in the European Union after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts. If the parts are not compliant originall
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Chapter2. Safety information 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: v Observe good housekeeping in the area of the machines during and after maintenance. v 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 force. Never move suddenly or twist when you at
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CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication systems, networks, and modems before you open the server/workstation covers, unless instructed otherwise in the installation and configuration procedures. Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles
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v Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. v Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such touching can cause personal injury and machine damage. v Do not service the following parts with the power on when they are removed from their normal operating places in a machine: – Pow
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If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem. Consider these conditions and the safety hazards they present: v Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal electrical shock). v Explosive hazards, such as a damaged CRT face or bulging capacitor v Mechanical hazards, such as loose or missing hardware The guide consists of a
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v Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. v 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. v Select a grounding system, such as those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding system is desirable but not required to protect against ESD
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v Connect to properly wired outlets any equipment that will be attached to this product. v When possible, use one hand only to connect or disconnect signal cables. v Never turn on any equipment when there is evidence of fire, water, or structural damage. v Disconnect the attached power cords, telecommunications systems, networks, and modems before you open the device covers, unless instructed otherwise in the installation and configuration procedures. v Connect and disconnect cables as described
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CAUTION: When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of. Do not: v Throw or immerse into water v Heat to more than 100°C (212°F) v Repair or disassemble Dispose of the battery as required by local
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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. 10 Hardware Maintenance Manual 2 1
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Chapter2. Safety information 11
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12 Hardware Maintenance Manual
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≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) Chapter2. Safety information 13 2 1
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PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. Para evitar risco de choque elétrico: v Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. v Conecte todos os cabos de alimentação a tomadas elétricas corretamente instaladas e aterradas. v Todo equipamento que for conectado a este produto deve ser conectado a tomadas corretamente instaladas. v Quando pos
