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...Chapter 9. General information . . . . 39 The ThinkVantage Productivity Center program . . 39 Additional information resources 39 Specifications 40 Types (6423, 6427, 6483, and 6493 40 Chapter 4. About this manual . . . . . 1 Important Safety Information 1 Important information ...fan assembly 119 Replacing the internal speaker 120 Replacing the front panel connector assembly . . 121 Completing the FRU replacement 123 © Copyright Lenovo 2006, 2008 iii Contents Chapter 1. General Checkout . . . . . 41 Problem determination tips 42 Chapter 5. Safety information . . ....
...Chapter 9. General information . . . . 39 The ThinkVantage Productivity Center program . . 39 Additional information resources 39 Specifications 40 Types (6423, 6427, 6483, and 6493 40 Chapter 4. About this manual . . . . . 1 Important Safety Information 1 Important information ...fan assembly 119 Replacing the internal speaker 120 Replacing the front panel connector assembly . . 121 Completing the FRU replacement 123 © Copyright Lenovo 2006, 2008 iii Contents Chapter 1. General Checkout . . . . . 41 Problem determination tips 42 Chapter 5. Safety information . . ....
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... the FRU replacement 158 Chapter 11. Chapter 10. Notices 239 Television output notice 240 Trademarks 240 iv Hardware Maintenance Manual FRU lists 159 Machine Type 6423 159 Machine Type 6427 175 Machine Type 6483 192 Machine Type 6493 215 Chapter 12. Additional Service Information 235 Security features 235 Hardware controlled Passwords...
... the FRU replacement 158 Chapter 11. Chapter 10. Notices 239 Television output notice 240 Trademarks 240 iv Hardware Maintenance Manual FRU lists 159 Machine Type 6423 159 Machine Type 6427 175 Machine Type 6483 192 Machine Type 6493 215 Chapter 12. Additional Service Information 235 Security features 235 Hardware controlled Passwords...
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...6483: Width: 175 mm (6.9 in.) Height: 478 mm (18.8 in.) floor to top of handle Depth: 460 mm (18.1 in.) Weight machine types 6423 and 6483: Maximum configuration: 16.33 kg (36 lbs) Dimensions machine types 6427 and 6493: Width: 210 mm (8 in.) Height: 485 mm (19.1 ...176;F) Humidity: Operating: 10% to 80% Non-operating: 10% to 90% Transit: 10% to 90% Maximum altitude: 7000 ft (2133.6 m) Electrical input machine types 6423 and 6483 Input voltage: Range 100 V - 240 V Input kilovolt-amperes (kVA) (approximate) Minimum configuration as shipped: 0.17 kVA Maximum configuration: 0.8 kVA Electrical input ...
...6483: Width: 175 mm (6.9 in.) Height: 478 mm (18.8 in.) floor to top of handle Depth: 460 mm (18.1 in.) Weight machine types 6423 and 6483: Maximum configuration: 16.33 kg (36 lbs) Dimensions machine types 6427 and 6493: Width: 210 mm (8 in.) Height: 485 mm (19.1 ...176;F) Humidity: Operating: 10% to 80% Non-operating: 10% to 90% Transit: 10% to 90% Maximum altitude: 7000 ft (2133.6 m) Electrical input machine types 6423 and 6483 Input voltage: Range 100 V - 240 V Input kilovolt-amperes (kVA) (approximate) Minimum configuration as shipped: 0.17 kVA Maximum configuration: 0.8 kVA Electrical input ...
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This chapter does not contain a remove and replace procedure for all FRUs. FRU replacements are documented. © Copyright Lenovo 2006, 2008 89 Only the major FRUs are to be done by trained service technicians only. Replacing FRUs (types 6423 and 6483) Important Before you work safely. These precautions and guidelines will help you replace any FRU, read Chapter 2, "Safety information," on page 3. Chapter 9.
This chapter does not contain a remove and replace procedure for all FRUs. FRU replacements are documented. © Copyright Lenovo 2006, 2008 89 Only the major FRUs are to be done by trained service technicians only. Replacing FRUs (types 6423 and 6483) Important Before you work safely. These precautions and guidelines will help you replace any FRU, read Chapter 2, "Safety information," on page 3. Chapter 9.
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Replacing FRUs (types 6423 and 6483) 91 Connectors on the rear of the computer Some connectors on the rear of your computer are color-coded to help you determine ...
Replacing FRUs (types 6423 and 6483) 91 Connectors on the rear of the computer Some connectors on the rear of your computer are color-coded to help you determine ...
User Manual
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Replacing FRUs (types 6423 and 6483) 93 System board connectors and components 1 COM2 14 2 Battery 15 3 12 volt power connector, 16 graphics 4 Rear fan connector 17 5 Microprocessor heat sink ...
Replacing FRUs (types 6423 and 6483) 93 System board connectors and components 1 COM2 14 2 Battery 15 3 12 volt power connector, 16 graphics 4 Rear fan connector 17 5 Microprocessor heat sink ...
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Open the cover. Replacing FRUs (types 6423 and 6483) 95 Lay the front bezel on page 94. 2. Removing the front bezel To remove the front bezel: 1. Reverse these steps to keep the latches disengaged. 3. Disengage the bezel latches 1 , one at a time while rotating the bezel away from the computer just enough to replace the front bezel. Chapter 9. See "Opening the cover" on a flat surface. 4.
Open the cover. Replacing FRUs (types 6423 and 6483) 95 Lay the front bezel on page 94. 2. Removing the front bezel To remove the front bezel: 1. Reverse these steps to keep the latches disengaged. 3. Disengage the bezel latches 1 , one at a time while rotating the bezel away from the computer just enough to replace the front bezel. Chapter 9. See "Opening the cover" on a flat surface. 4.
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Replacing the power supply assembly To replace the power-supply assembly: 1. See "Opening the cover" on page 92. 3. Chapter 9. See "Internal components" on page 94. 2. Remove the power-supply cables from all drives. 4. Locate the power-supply assembly. Replacing FRUs (types 6423 and 6483) 99 Remove the four screws at the rear of the chassis that secure the power supply. Disconnect the power-supply cables 1 , 2 , and 3 from the system-board connectors, all adapter cards (some models) and from the cable clips and ties. 5. Open the computer cover.
Replacing the power supply assembly To replace the power-supply assembly: 1. See "Opening the cover" on page 92. 3. Chapter 9. See "Internal components" on page 94. 2. Remove the power-supply cables from all drives. 4. Locate the power-supply assembly. Replacing FRUs (types 6423 and 6483) 99 Remove the four screws at the rear of the chassis that secure the power supply. Disconnect the power-supply cables 1 , 2 , and 3 from the system-board connectors, all adapter cards (some models) and from the cable clips and ties. 5. Open the computer cover.
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Slide the power-supply assembly toward the front of the chassis to secure the power-supply assembly. Chapter 9. Note: Use only the screws provided by Lenovo. 8. Depress the power supply latch 1 . Replacing FRUs (types 6423 and 6483) 101 Install the new power-supply assembly into the chassis so that the screw holes in the power-supply assembly align with those in the chassis. Install and tighten the four screws at the rear of the computer, remove it from the chassis. 7. 6.
Slide the power-supply assembly toward the front of the chassis to secure the power-supply assembly. Chapter 9. Note: Use only the screws provided by Lenovo. 8. Depress the power supply latch 1 . Replacing FRUs (types 6423 and 6483) 101 Install the new power-supply assembly into the chassis so that the screw holes in the power-supply assembly align with those in the chassis. Install and tighten the four screws at the rear of the computer, remove it from the chassis. 7. 6.
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... all cable connections on page 93. 6. It will be necessary to cool for 3-5 minutes. 2. v An additional retention feature located on page 94. 3. Replacing FRUs (types 6423 and 6483) 103 Unlatch and open the card retainer 1 . 4. See "System board connectors and components" on the adapter card. Push the retention feature toward the...
... all cable connections on page 93. 6. It will be necessary to cool for 3-5 minutes. 2. v An additional retention feature located on page 94. 3. Replacing FRUs (types 6423 and 6483) 103 Unlatch and open the card retainer 1 . 4. See "System board connectors and components" on the adapter card. Push the retention feature toward the...
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... on how to remove the heat sink from the system board: a. Remove the plastic cover from the bottom of the system board. 6. Replacing FRUs (types 6423 and 6483) 105 To replace the heat sink: 1. Note the cable location. See "System board connectors and components" on page 94. 2. Follow this cover protects...
... on how to remove the heat sink from the system board: a. Remove the plastic cover from the bottom of the system board. 6. Replacing FRUs (types 6423 and 6483) 105 To replace the heat sink: 1. Note the cable location. See "System board connectors and components" on page 94. 2. Follow this cover protects...
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... microprocessor: 1. Chapter 9. Open the computer cover. Remove the heat sink from the system board, lift the small handle 1 and open the retainer 2 . Replacing FRUs (types 6423 and 6483) 107 Do not touch the gold contacts on its side to help make the system board more accessible. 3. Lift the microprocessor straight up...
... microprocessor: 1. Chapter 9. Open the computer cover. Remove the heat sink from the system board, lift the small handle 1 and open the retainer 2 . Replacing FRUs (types 6423 and 6483) 107 Do not touch the gold contacts on its side to help make the system board more accessible. 3. Lift the microprocessor straight up...
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Close the microprocessor retainer and clamp it with the small handle. 9. Place the heat sink into the microprocessor socket of the system board. 8. Reconnect the heat sink fan cable. 11. Go to the system board. 10. Replacing FRUs (types 6423 and 6483) 109 Chapter 9. 7. Lower the microprocessor straight down into position and replace the 4 screws to secure the heat sink to "Completing the FRU replacement" on page 123.
Close the microprocessor retainer and clamp it with the small handle. 9. Place the heat sink into the microprocessor socket of the system board. 8. Reconnect the heat sink fan cable. 11. Go to the system board. 10. Replacing FRUs (types 6423 and 6483) 109 Chapter 9. 7. Lower the microprocessor straight down into position and replace the 4 screws to secure the heat sink to "Completing the FRU replacement" on page 123.
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... board. 15. The failing system board must be returned with the small handle. Install the memory modules in the figure above. 14. Replacing FRUs (types 6423 and 6483) 111 10. Make sure the microprocessor has been removed from the failing system board and install it into position with a microprocessor socket cover...
... board. 15. The failing system board must be returned with the small handle. Install the memory modules in the figure above. 14. Replacing FRUs (types 6423 and 6483) 111 10. Make sure the microprocessor has been removed from the failing system board and install it into position with a microprocessor socket cover...
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Connect the signal and power cables to "Completing the FRU replacement" on page 123. Chapter 9. Replacing FRUs (types 6423 and 6483) 113 Install the hard disk drive and bracket into the bracket, flex the bracket, and align the pins 1 through 4 on the bottom of the new hard disk drive. 8. 5. Do not touch the circuit board 5 on the bracket with the holes in the hard disk drive. Install the new drive into the drive bay. 7. Go to the rear of the hard disk drive. 6.
Connect the signal and power cables to "Completing the FRU replacement" on page 123. Chapter 9. Replacing FRUs (types 6423 and 6483) 113 Install the hard disk drive and bracket into the bracket, flex the bracket, and align the pins 1 through 4 on the bottom of the new hard disk drive. 8. 5. Do not touch the circuit board 5 on the bracket with the holes in the hard disk drive. Install the new drive into the drive bay. 7. Go to the rear of the hard disk drive. 6.
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... latch 2 and slide the drive from the system board. 4. Chapter 9. Open the computer cover. Note the location of the failing diskette drive. 6. Replacing FRUs (types 6423 and 6483) 115 Disconnect the flat cable from the rear of the drive cables. See "System board connectors and components" on how to replace the...
... latch 2 and slide the drive from the system board. 4. Chapter 9. Open the computer cover. Note the location of the failing diskette drive. 6. Replacing FRUs (types 6423 and 6483) 115 Disconnect the flat cable from the rear of the drive cables. See "System board connectors and components" on how to replace the...
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Replacing a memory module This section provides instructions on page 94. 2. Locate the memory-module connectors 1 and 2 . 3. Open the computer cover. See "Opening the cover" on how to replace a memory module. 1. Remove the memory module being replaced by opening the retaining clips. Chapter 9. Replacing FRUs (types 6423 and 6483) 117
Replacing a memory module This section provides instructions on page 94. 2. Locate the memory-module connectors 1 and 2 . 3. Open the computer cover. See "Opening the cover" on how to replace a memory module. 1. Remove the memory module being replaced by opening the retaining clips. Chapter 9. Replacing FRUs (types 6423 and 6483) 117
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... fan. See "Removing the front bezel" on how to replace a fan assembly. Disconnect the fan-assembly-wiring connector from the system board. 4. Replacing FRUs (types 6423 and 6483) 119 See "Removing the front bezel" on page 93. 8. See "System board connectors and components" on page 95. 5. Go to release the fan...
... fan. See "Removing the front bezel" on how to replace a fan assembly. Disconnect the fan-assembly-wiring connector from the system board. 4. Replacing FRUs (types 6423 and 6483) 119 See "Removing the front bezel" on page 93. 8. See "System board connectors and components" on page 95. 5. Go to release the fan...
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... page 94. 2. Remove the front bezel. Remove the diskette drive or card reader if installed in the front of the computer. 13. Replacing FRUs (types 6423 and 6483) 121 See "Opening the cover" on page 115 Chapter 9. Remove the screw holding the front panel connector assembly. 15. Be careful to the...
... page 94. 2. Remove the front bezel. Remove the diskette drive or card reader if installed in the front of the computer. 13. Replacing FRUs (types 6423 and 6483) 121 See "Opening the cover" on page 115 Chapter 9. Remove the screw holding the front panel connector assembly. 15. Be careful to the...