NEC PowerMate ML5 User Manual Download

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NEC

PowerMate ML5

Disassembly Manual

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Summary of Contents for PowerMate ML5

Page 1: ...NEC PowerMate ML5 Disassembly Manual ...

Page 2: ...he Chassis 5 Removing the Riser Board Bracket and the Raiser Board 6 Removing a PCI or CNR Expansion Card 7 Removing the AGP Expansion Card 7 Removing the Floppy Disk Drive 8 Removing the Optical Device Drive 9 Removing the Hard Disk Drive 10 Removing the Power Supply Unit 11 Removing the Auxiliary System Fan 11 Removing the CPU 12 Removing the Second Serial Port 12 Removing the Switch LED board 1...

Page 3: ...fications to any printed wiring board Improper repairs can create a safety hazard Any indication of component replacement or printed wiring board modifications may void any warranty or exchange allowances Disassembly Instructions When disassembling the system unit follow these general rules Do not disassemble the system into parts that are smaller than those specified in the instructions Label all...

Page 4: ...til it is un installed in the computer Power Supply Unit Under no circumstances should you attempt to disassemble the power supply The power supply contains no user serviceable parts Inside the power supply are hazardous voltages that can cause serious personal injury Always return a defective power supply to your dealer WARNING Ensure that the computer is disconnected from its power source and fr...

Page 5: ...he system for stabiliser A and towards the rear for stabiliser B Fig 1 Removing the stabilisers Opening the Chassis To open the chassis first remove the stabilisers see Removing the Stabilisers then follow the next steps 1 Put the chassis in horizontal position rear side towards you 2 Unlock the two cover locks shown in the picture below Fig 2 Unlocking the cover of the chassis 3 Slide the cover t...

Page 6: ...in the horizontal position rear side towards you 2 Hold the riser board bracket by its rear edge A and the other end B and lift it carefully until the riser board is disengaged from the PCI slot on the motherboard and the bracket is disengaged from the tabs marked with the squares in the picture below Fig 4 Removing the riser board bracket Note When putting the riser board bracket in place pay att...

Page 7: ... then follow the next steps 1 Remove the screw holding the PCI or CNR expansion card in place 2 Extract the PCI or CNR expansion card from its slot and put it aside Removing the AGP Expansion Card To remove an AGP expansion card first remove the stabilisers see Removing the Stabilisers open the chassis see Opening the Chassis then follow the next steps 1 Remove the screw holding the AGP expansion ...

Page 8: ...w the next steps 1 Remove the one screw securing the floppy disk drive bracket to the chassis Fig 7 Removing floppy disk drive screw 2 Slide the floppy disk drive and its bracket towards the front of the system until the tab marked in the picture below is free from the corresponding guide Fig 8 Removing the floppy disk drive assembly 3 Carefully disconnect the flat cable from the floppy disk drive...

Page 9: ...out of the bracket and put it aside Removing the Optical Device Drive To remove the optical device drive first remove the stabilisers see Removing the Stabilisers open the chassis see Opening the Chassis then follow the next steps 1 Disconnect the cable from the rear of the optical device drive 2 Push the locking lever towards the optical device drive and pull the whole assembly outside the front ...

Page 10: ...s Each bay contains a hard disk drive bracket locked by a latch Note If you want to remove the slave hard disk drive the upper one you will have to disconnect also the IDE cable from the master hard disk drive This IDE cable is a master slave cable which is connected to both hard disk drives You will not be able to remove the upper hard disk drive if the IDE cable remains connected to the lower ha...

Page 11: ...lisers open the chassis see Opening the Chassis then follow the next steps 1 Disconnect all power connectors from the motherboard and from all peripherals to wich the power supply unit might be attached 2 Remove the three screws shown in the picture below Fig 16 Removing the screws of the power supply unit 3 Slide the power supply unit towards the front of the system and lift it out of the chassis...

Page 12: ...oppy Disk Drive then follow the next steps 1 Disconnect the active sink fan connector from the motherboard 2 unscrew the four screws shown in the picture below Fig 18 Removing heat sink 3 Carefully lift the heat sink out of the system and put it aside 4 Lift the lever to unlock the CPU from its socket 5 Take out the CPU and put it aside Removing the Second Serial Port To remove the second serial p...

Page 13: ...e the Switch LED board from the chassis and put it aside Fig 20 Removing the Switch LED board Note To remove also the cable of the Switch LED board the IDE cables must be disconnected from the motherboard as they cover the cable of the Switch LED In order to easily reach the IDE cables it is better to first remove the floppy disk drive see Removing the Floppy Disk Drive Removing the Internal Speak...

Page 14: ...rd remove the auxiliary system fan see Removing the Auxiliary System Fan remove the floppy disk drive see Removing the Floppy Disk Drive remove the power supply unit see Removing the Power Supply Unit then follow the next steps 1 Remove any memory module present on the motherboard 2 Disconnect the floppy disk drive cable and the IDE cable from the motherboard 3 Disconnect the LED Switch connector ...

Page 15: ...ULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL Copyright 2003 NEC Computers International BV All rights reserved NEC is a trademark of NEC Computers International BV The names of actual companies and products mentioned herein may be trademarks and or registered trademarks of their respective owners The software described in this guide is furnished under a license agreement or nondi...

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