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PowerBook G3 Pismo Logic Board Replacement

Giriş

If one of the ports on the back goes bad, you'll have to replace the logic board.

Neye ihtiyacın var

  1. PowerBook G3 Pismo Logic Board Replacement, Keyboard: adım 1, 1 resimden 1.

    • Turn the keyboard locking screw so that it is parallel to the space bar.

    • Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.

    • Lift the keyboard out by pulling it up and away from you. Rest the keyboard, face down, on top of the track pad.

    Düzenle

  2. PowerBook G3 Pismo Logic Board Replacement: adım 2, 1 resimden 1.

    • Pull the keyboard ribbon straight up from the logic board. Place the keyboard aside.

    • The connector may be tight. Gently rock the connector from side to side while pulling directly upward to free it. You can use this technique on many of the cards and cables you'll be disconnecting.

    • Make sure you have removed the laptop battery and CD/DVD modules from the expansion bays before proceeding.

    Düzenle

  3. PowerBook G3 Pismo Logic Board Replacement: adım 3, 1 resimden 1.

    • Your laptop should look approximately like this.

    Düzenle

  4. PowerBook G3 Pismo Logic Board Replacement, Heat Shield: adım 4, 1 resimden 1.

    • Remove the two silver Phillips #1 screws that attach the heat shield to the internal metal framework.

    • Lift the heat shield up and pull it toward you.

    Düzenle

  5. PowerBook G3 Pismo Logic Board Replacement: adım 5, 1 resimden 1.

    • Your laptop should look approximately like this.

    Düzenle

  6. PowerBook G3 Pismo Logic Board Replacement, Airport Card: adım 6, 1 resimden 1.

    • Skip this step if your computer does not have an Airport card installed.

    • Firmly grasp the plastic tab attached to the Airport card and pull up and then to the right.

    • The Airport card is still attached to the antenna cable, so don't just yank it out of the slot.

    Düzenle

  7. PowerBook G3 Pismo Logic Board Replacement: adım 7, 1 resimden 1.

    • Disconnect the antenna cable from the Airport card.

    Düzenle

  8. PowerBook G3 Pismo Logic Board Replacement, PRAM Battery: adım 8, 1 resimden 1.

    • Pull the battery cable directly up from the logic board.

    • Remove the battery from its holder by pulling up and to the left.

    Düzenle

  9. PowerBook G3 Pismo Logic Board Replacement: adım 9, 1 resimden 1.

    • Your laptop should look approximately like this.

    Düzenle

  10. PowerBook G3 Pismo Logic Board Replacement, Heat Sink: adım 10, 1 resimden 1.

    • Remove the long silver Phillips #1 screw from the heat sink.

    • Remove the two T8 Torx screws that attach the heat sink to the processor.

    Düzenle

  11. PowerBook G3 Pismo Logic Board Replacement: adım 11, 1 resimden 1.

    • Lift the heat sink up from the left side and pull it out.

    • If you need to mount the heat sink back into the laptop, we have a thermal paste guide that makes replacing the thermal compound easy.

    Düzenle

  12. PowerBook G3 Pismo Logic Board Replacement, Processor: adım 12, 1 resimden 1.

    • Grasp the plastic tab on the processor's right side and pull it directly up.

    • Some processors may be missing the plastic pull tab. In this case, we suggest using a non-metal tool to gently pry up the processor. Slip the tool's thin edge under the front right corner of the processor and carefully pry it up.

    Düzenle

  13. PowerBook G3 Pismo Logic Board Replacement: adım 13, 1 resimden 1.

    • Your laptop should look approximately like this.

    Düzenle

  14. PowerBook G3 Pismo Logic Board Replacement, Modem: adım 14, 1 resimden 1.

    • Remove the black Torx screw from the right side of the modem.

    • Remove the small black plastic rectangle with four holes.

    Düzenle

  15. PowerBook G3 Pismo Logic Board Replacement: adım 15, 1 resimden 1.

    • Use the tips of your fingers, a spudger, or a flat non-metal tool to get under the modem's edge and pry it up from its socket.

    Düzenle

  16. PowerBook G3 Pismo Logic Board Replacement: adım 16, 1 resimden 1.

    • Disconnect the cable from the right side of the modem.

    Düzenle

  17. PowerBook G3 Pismo Logic Board Replacement, Hard Drive: adım 17, 1 resimden 1.

    • Grasp the orange cable at the left end of the hard drive and disconnect it from the logic board.

    • Try to grasp the cable on the plastic connector rather than on the flexible cable section.

    Düzenle

  19. PowerBook G3 Pismo Logic Board Replacement: adım 18, 1 resimden 1.

    • Grasp the plastic tab and pull the hard drive up and to the left, making sure that the metal bracket doesn't catch on the black plastic casing.

    Düzenle

  20. PowerBook G3 Pismo Logic Board Replacement: adım 19, 1 resimden 1.

    • Your laptop should look approximately like this.

    Düzenle

  21. PowerBook G3 Pismo Logic Board Replacement, Clutch Cover: adım 20, 1 resimden 1.

    • Push the display back so that it lies flat.

    • Slip your index finger or a nylon tool under the clutch cover near the power button and pull gently upward until you feel it come free.

    • Repeat the previous step on the left side.

    Düzenle

  22. PowerBook G3 Pismo Logic Board Replacement: adım 21, 1 resimden 1.

    • Lift the clutch cover up and off, rotating it toward yourself.

    Düzenle

  23. PowerBook G3 Pismo Logic Board Replacement, Inverter: adım 22, 1 resimden 1.

    • Grasp the orange display data cable and disconnect it from the logic board.

    Düzenle

  24. PowerBook G3 Pismo Logic Board Replacement: adım 23, 1 resimden 1.

    • Remove the single black Torx screw that fastens the display cable to the plastic casing.

    • Grasp the thin display inverter board at its left end; lift up and rotate toward yourself.

    • There are two tabs that hold the display inverter in place; these are what you need to get past in order to pull the board free.

    Düzenle

  25. PowerBook G3 Pismo Logic Board Replacement: adım 24, 1 resimden 1.

    • Disconnect the white inverter cable from the right end of the board

    Düzenle

  26. PowerBook G3 Pismo Logic Board Replacement: adım 25, 1 resimden 1.

    • Disconnect the inverter plug, pulling directly up from the logic board.

    Düzenle

  27. PowerBook G3 Pismo Logic Board Replacement, Display: adım 26, 1 resimden 1.

    • Turn the laptop around so that its back faces you.

    • Open the port door located at the back of the laptop.

    • Remove the four black Torx screws.

    Düzenle

  28. PowerBook G3 Pismo Logic Board Replacement: adım 27, 1 resimden 1.

    • Returning to the front, pull the black Airport antenna up from its recessed housing.

    Düzenle

    • Hold the display on both sides and pull directly up until its hinges are free of their mounts.

    Düzenle

  30. PowerBook G3 Pismo Logic Board Replacement: adım 29, 1 resimden 1.

    • Your laptop should look approximately like this.

    Düzenle

  31. PowerBook G3 Pismo Logic Board Replacement, Upper Case: adım 30, 1 resimden 1.

    • Disconnect the wide orange cable that connects the airport card slot to the logic board.

    Düzenle

  32. PowerBook G3 Pismo Logic Board Replacement: adım 31, 1 resimden 1.

    • Remove the three long silver and one short black Torx screws from the beige plastic casing.

    Düzenle

  33. PowerBook G3 Pismo Logic Board Replacement: adım 32, 1 resimden 1.

    • Slide the thin plastic shield away from you, out from under the black casing.

    • Disconnect the newly revealed thin orange ribbon from the logic board.

    • Remove the two long silver Torx screws.

    Düzenle

  34. PowerBook G3 Pismo Logic Board Replacement: adım 33, 1 resimden 1.

    • Turn the laptop over.

    • Remove the five short Torx screws from the bottom casing.

    • Remove the two long Torx screws in the front left and front right corners; make sure to put these back in the proper place when reassembling.

    Düzenle

  35. PowerBook G3 Pismo Logic Board Replacement: adım 34, 1 resimden 1.

    • Turn the laptop back over.

    • Remove three short black Torx screws from the metal frame.

    • Remove the small Torx screw to the far left that fastens the logic board to the casing.

    Düzenle

  36. PowerBook G3 Pismo Logic Board Replacement: adım 35, 1 resimden 1.

    • Grasp the upper plastic casing where it locks into the internal frame and pull back. When the plastic tab has cleared the slot that the casing locks into, pull up enough to keep it from locking back into place.

    Düzenle

  37. PowerBook G3 Pismo Logic Board Replacement: adım 36, 1 resimden 1.

    • The PC card eject button on the laptop's left side prevents the upper casing from lifting up. In order to bypass the button, push it in far enough so that you can pull the upper casing's left side out and up beyond the button.

    Düzenle

  38. PowerBook G3 Pismo Logic Board Replacement: adım 37, 1 resimden 1.

    • Lift the left side of the case partly up so that you can access and disconnect the audio in/out cables from the sound card in the upper right of the case.

    • Be careful not to lift the upper casing too far before you have disconnected the audio in/out cables or you may damage the sound card.

    • Remove the upper casing. Note that there are two tabs on the laptop's front that often cause the upper case to stick.

    Düzenle

  39. PowerBook G3 Pismo Logic Board Replacement: adım 38, 1 resimden 1.

    • Your laptop should look approximately like this.

    Düzenle

  40. PowerBook G3 Pismo Logic Board Replacement, Power Card: adım 39, 1 resimden 1.

    • Remove the two long silver Torx screws from the power card in the center of the laptop

    Düzenle

  41. PowerBook G3 Pismo Logic Board Replacement: adım 40, 1 resimden 1.

    • Grasp the power card near the black shield and lift up.

    Düzenle

  42. PowerBook G3 Pismo Logic Board Replacement, I/O EMI Shield: adım 41, 1 resimden 1.

    • Gently clasp the left side of the metal shield between your thumb and forefinger and carefully pull up and toward the front of the laptop.

    • Be very careful when removing the leftmost clip on the EMI Shield from its slot, as this piece will bend very easily. This is one of the easiest parts to damage in the Pismo.

    Düzenle

  43. PowerBook G3 Pismo Logic Board Replacement, Framework: adım 42, 1 resimden 1.

    • Remove the single short black Torx screw anchoring the metal framework to the lower casing.

    • Use needle-nose pliers or a five millimeter nut driver to remove the small metal nut from the bolt.

    • If you're using pliers, be extremely careful not to let them slip or you may damage the logic board.

    Düzenle

    • Disconnect the fan cable from the left side of the logic board.

    Düzenle

  45. PowerBook G3 Pismo Logic Board Replacement: adım 44, 1 resimden 1.

    • Turn the laptop so that its back is facing you.

    • Lift up on the left side of the metal framework and remove the single black Torx screw.

    Düzenle

  46. PowerBook G3 Pismo Logic Board Replacement: adım 45, 1 resimden 1.

    • Grasp the EMI Filter by its black end and rotate it toward the front of the laptop. Pull the filter up and beyond the screw bracket.

    • Remove the metal framework.

    Düzenle

  47. PowerBook G3 Pismo Logic Board Replacement: adım 46, 1 resimden 1.

    • Your laptop should look approximately like this.

    Düzenle

  48. PowerBook G3 Pismo Logic Board Replacement, Sound Card: adım 47, 1 resimden 1.

    • Lift the sound card out by pulling up on both the right and left sides.

    • If the sound card sticks, pull the black metal wall of the casing toward you while lifting the right side of the sound card up.

    Düzenle

  49. PowerBook G3 Pismo Logic Board Replacement, Logic Board: adım 48, 1 resimden 1.

    • Turn the laptop around so that the front faces you.

    • Move the metal yoke to the left.

    Düzenle

  50. PowerBook G3 Pismo Logic Board Replacement: adım 49, 1 resimden 1.

    • Gently lift the front edge of the logic board and pull it toward you.

    • There are two major obstacles to avoid when removing the logic board: the first is the fan and connector cables, and the second is the bolt in the back left corner.

    Düzenle
Sonuç

To reassemble your device, follow these instructions in reverse order.

7 farklı kişi bu kılavuzu tamamladı.

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2 tane daha katılımcı ile

iRobot

Üyelik tarihi: 09/24/09

1 İtibar

636 adet Kılavuz yazıldı

Rozetler: 36

+33 tane daha rozet

4Kılavuz Yorumları

If you unplug the white connector on the EMI filter in step 44 first. You have the option of just leaving the EMI filter attached to the metal frame.

randy3833 - Yanıt

I feel that it is easy and better to disconnect the power and sound card plugs before removing the upper case as described in step 37. There is less danger of pulling on the plug wires.

randy3833 - Yanıt

It should be noted (at least in my case) that it takes a considerable amount of pressure to snap the processor connector back into place on the logic board when reinstalling it step 12. I learned this the hard way, requiring another dis-assembly. I'd hate to say that you really have to shove on it, but at least put some strong pressure on the processor directly above the connector point, which is hidden under the card. It helped me to remove the memory module so that I could place my two fingers there and push with a little rocking motion.

randy3833 - Yanıt

To follow up on my last note regarding the processor card connector: On the next Pismo I worked on, I added an almost microscopic amount of silicone dielectric compound to the outside of the 6 tiny beveled plastic pin edges on the connector side that is mounted to the logic board. I applied the dielectric compound with a toothpick. This small amount of lubrication made it much easier to snap the connector down to the logic board.

randy3833 - Yanıt

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