NEC J6N Service Manual Download Page 21

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J6N Service Guide

NEC

Computers APAC

Page 21

DIP Switch Setting

Models

Jumper 1-2

Jumper 3-4

Japanese commercial model

Open

Japanese consumer model

Open

International commercial model

Open

International consumer model

Keyboard

Jumper 5-6

US, TC, Korea

UK, SC

Open

Summary of Contents for J6N

Page 1: ...J6NService Guide NEC Computers APAC Page 1 J6N Disassembly Required Tools Disassembly Instructions DIP Switch setting Reassembly Instructions ...

Page 2: ... Guide NEC Computers APAC Page 2 Required Tools All J6N maintenance procedures can be performed using the following tools n Tweezers n Small Philips screwdriver n Small Flat screwdriver n Spacer screwdriver Ø 5MM ...

Page 3: ...crews that are removed are shown next to the image of the parts themselves 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 removed connectors Note where the connector goes and in what position it was installed Turn off the power and disconnect all power and all options Also re...

Page 4: ...de NEC Computers APAC Page 4 1 Battery Remove the battery pack of the notebook as follows a Close LCD panel b Flip over the unit c Push and hold battery lock d Pull outward to remove the battery Fig 1 Remove Battery ...

Page 5: ...e screw to open SO DIMM Mini PCI Slot cover b Release the SO DIMM memory module s c Remove the memory module s Fig 2 SO DIMM Mini PCI Slot Cover d Disconnect two antenna connections on wireless module e Release and remove the wireless module from Mini PCI slot Fig 3 Wireless Module ...

Page 6: ...J6NService Guide NEC Computers APAC Page 6 3 Keyboard Cover Keyboard a With help small flat screw driver carefully lift up the keyboard cover Fig 4 Keyboard Cover b Lift up the keyboard Fig 5 Keyboard ...

Page 7: ...J6NService Guide NEC Computers APAC Page 7 c Unlock the keyboard flat cable connector Fig 6 Keyboard cable connector ...

Page 8: ...tical Drive a Close LCD lip and flip over the unit b Unscrew one screw Fig 7 Bottom Base c Let the unit stand and open up the LCD panel d Take off one screw near to Optical Drive Fig 8 Optical Drive e Push outward to release Optical Drive from unit ...

Page 9: ...rs APAC Page 9 5 Top Cover LED Board a Unscrews fifteenscrews on the bottom case Fig 7 Bottom case b There are two more screws on Optical Drive Bay need to be removed Fig 8 Optical Drive Bay B A A D C B D B A A A A C C A C A A A A ...

Page 10: ...6NService Guide NEC Computers APAC Page 10 c Flip over the unit unscrew one screw to release LED Board Fig 9 LED Board d Disconnect the touch pad connection e Carefully left uptop cover Fig 10 Top Cover ...

Page 11: ...le connector b Take off six screws to release LCD module from base unit Fig 11 Bottom case c Carefully left up the LCD module Note if the unit equip with wireless module you need to disassemble main board to release antenna cable under it before you can remove the LCD module ...

Page 12: ...J6NService Guide NEC Computers APAC Page 12 7 Modem a Unscrew two screws on modem Fig 12 MDC Modem b Carefully left up the modem and disconnect cable attach to it ...

Page 13: ...J6NService Guide NEC Computers APAC Page 13 8 HDD a Unscrew one screw at the side of HDD b Push outward to release HDD Fig 13 HDD ...

Page 14: ...e 14 9 CPU a Release the CPU Fan assembly screws descending follow the number marked 4à3à2à1 Fig 14 CPU Fan assembly b Disconnect fan connector and left up the CPU Fan assembly carefully c Unlock the CPU from the CPU socket Fig 15 CPU socket ...

Page 15: ...bly a Remove two screws on the audio board Fig 16 Audio Board b Left up the audio board c Unscrew three screws on HDD holder d Left up the HDD holder e Remove one screw on the right speaker f Disconnect the speaker and remove it from base unit Fig 17 HDD Holder B A A A A B ...

Page 16: ...J6NService Guide NEC Computers APAC Page 16 11 FDD a Disconnect cable connection on the FDD unit b Unscrew two screws at the side of FDD unit Fig 18 FDD unit c Lift up the FDD unit carefully Fig 19 FDD ...

Page 17: ...J6NService Guide NEC Computers APAC Page 17 12 Main Board a Remove two screws on the main board Fig 20 Main Board b Press the PCMCIA button before lift up the Main Board Fig 21 Lifting up Main Board ...

Page 18: ...lties to lift up the Main Board you may remove the six spacers at the rear of unit before perform step b Fig 21 Lifting up Main Board 15 Touch Pad a Take offfour screws on the touch pad assembly Fig 22 Touch pad assembly b Carefully remove touch pad module from top cover ...

Page 19: ...y a Remove the six rubber cover and screws on the LCD Module Fig 23 LCD Module b Carefully take out the LCD bezel c Remove five screws on the LCD hinge inverter board d Lift up the LCD panel disconnect the inverter board e Unscrews four screws at the side of LCD bracket ...

Page 20: ...J6NService Guide NEC Computers APAC Page 20 Fig 24 LCD Module A A A A A A B B B B B ...

Page 21: ...P Switch Setting Models Jumper 1 2 Jumper 3 4 Japanese commercial model Open Open Japanese consumer model Close Open International commercial model Open Close International consumer model Close Close Keyboard Jumper 5 6 US TC Korea Close UK SC Open ...

Page 22: ...age 22 Reassembly Instructions Reassembly is the reverse of the disassembly process Use care to ensure that all cables and screws are returned to their proper positions Modified for Europe by NEC Computers International B V October 23 2002 ...

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