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NEC J6N Service Manual

Summary of J6N

  • Page 1

    J6n service guide nec computers apac page 1 j6n disassembly • required tools • disassembly instructions • dip switch setting • reassembly instructions.

  • Page 2: Required Tools

    J6n service 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: Disassembly Instructions

    J6n service guide nec computers apac page 3 disassembly instructions this document contains step-by-step disassembly instructions for the j6n. The instructions are clarified by images of the part that is being removed or disassembled. Furthermore, the screws that are removed are shown next to the im...

  • Page 4: Battery

    J6n service guide 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

    J6n service guide nec computers apac page 5 2. Memory / wireless module a. Unscrew one 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...

  • Page 6

    J6n service 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

    J6n service guide nec computers apac page 7 c. Unlock the keyboard flat cable connector. Fig. 6: keyboard cable connector.

  • Page 8: 4. Optical Drive

    J6n service guide nec computers apac page 8 4. Optical 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...

  • Page 9: 5. Top Cover / Led Board

    J6n service guide nec computers apac page 9 5. Top cover / led board a. Unscrews fifteen screws 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

    J6n service 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 up top cover. Fig. 10: top cover.

  • Page 11: 6. Lcd Module

    J6n service guide nec computers apac page 11 6. Lcd module a. Remove lcd cable 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...

  • Page 12: 7. Modem

    J6n service guide nec computers apac page 12 7. Modem a. Unscrew two screws on modem. Fig. 1 2 mdc modem b. Carefully left up the modem and disconnect cable attach to it..

  • Page 13: 8 Hdd

    J6n service 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: 9 Cpu

    J6n service guide nec computers apac page 14 9 cpu a. Release the cpu fan assembly screws descending follow the number marked (4à 3à 2à1). 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

    J6n service guide nec computers apac page 15 10. Audio board / speaker assembly a. Remove two screws on the audio board. Fig. 1 6: 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 spe...

  • Page 16: 11. Fdd

    J6n service 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: 12. Main Board

    J6n service 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: 15. Touch Pad

    J6n service guide nec computers apac page 18 c. If you encounter difficulties 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 off four screws on the touch pad assembly. Fig. 22: touch pad assemb...

  • Page 19

    J6n service guide nec computers apac page 19 16. Lcd module disassembly 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 bo...

  • Page 20

    J6n service guide nec computers apac page 20 fig. 24: lcd module a a a a a a b b b b b.

  • Page 21: Dip Switch Setting

    J6n service guide nec computers apac page 21 dip 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: Reassembly Instructions

    J6n service guide nec computers apac page 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..