iBook G4 14" 1.42 GHz Modem Replacement

Geschrieben von: Walter Galan
  • Kommentare: 23
iBook G4 14" 1.42 GHz Modem Replacement

Schwierigkeitsgrad

Difficult

Schritte

32

Zeitaufwand

Keine Schätzung

Einleitung

56k internal modem, standard on all models.

  1. dyryFH1qMKJrDauv
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    • Use a coin to rotate the battery locking screw 90 degrees clockwise.

    • Lift the battery out of the computer.

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    • Pull the keyboard release tabs (shown in yellow) toward you and lift up on the keyboard until it pops free.

    • If the keyboard does not come free, use a small flathead screwdriver to turn the keyboard locking screw (shown in orange) 180 degrees in either direction and try again.

    • Flip the keyboard over, away from the screen, and rest it face-down on the trackpad area.

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    • Loosen the four silver Phillips screws that secure the RAM shield.

    • These screws will not come out all the way. The screws are held captive to the RAM shield to prevent them from getting lost.

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    • Remove the RAM shield from the computer.

    • The four captive screws will come out with the RAM shield.

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    • Pull the keyboard cable up from the logic board, holding the cable as close to the connector as possible.

    • When reassembling your iBook, make sure that you reconnect the keyboard cable before replacing the RAM shield.

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    • Close the display and flip the computer over.

    • Remove the three hex screws using a T8 Torx screwdriver.

    • The shorter screw is in the center.

    Oop's sorry on my earlier note I meant to say in step 2

    Keith -

    In my iBook G4 (Fr), there's no T8 Torx but nut driver.

    boninj -

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    • Use a spudger or small flathead screwdriver to remove the three rubber feet from the lower case.

    Be careful, the rubber feet tend to jump out and get lost.

    Lakshmana -

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    • Remove the three newly-revealed Phillips screws.

    • One screw is underneath each bumper (three total).

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    • Use a spudger or small flathead screwdriver to pry up the three metal rings that housed the rubber bumpers.

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    • Remove the two Phillips screws on either side of the battery contacts.

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    • Breathe deeply. Trying times are ahead, but we promise the lower case does come off.

    • Push in the thin rims of the lower case surrounding the battery compartment, bending them past the tabs, and then lift up to free that corner of the lower case.

    This part scared me, never in an iFixIt guide have I seen a warning like "trying times are ahead".

    I used a plastic iPod opening tool and ran it around the seam in the same order pictured. I had the plastic off in less than a minute with almost no fuss.

    PohTayToez -

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    • There is a slot on the wall of the battery compartment that locks the lower case in place. Use a small flathead screwdriver to pry out the slot's lower rim and pull up on the lower case to free the slot from the tabs holding it.

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    • Run a spudger along the seam between the lower case and upper case on the front of the computer to free the tabs locking the lower case. Pull up on the lower case and continue to use the spudger as necessary until you hear three distinct clicks.

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    • Continue to run the spudger around the front, right corner. There are two tabs on the port side of the computer, one near the front corner and one near the sound-out port.

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    • There are three tabs over the optical drive that must be released before the lower case can come off. Slide the spudger into the lower case above the optical drive and run it toward the back of the computer until you hear three distinct clicks.

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    • The front and sides of the lower case are now free.

    • Turn the computer so that the back is facing you and pull the lower case up and toward you until the back tabs pop free.

    • It may be helpful to jiggle the case up and down.

    I found it easier and "safer" to use a spudge at the back as well (two on each side of the hinge)

    Paulix -

    Zitat von Paulix:

    I found it easier and "safer" to use a spudge at the back as well (two on each side of the hinge)

    I did too. Thanks, Paulix.

    Ryan Cabanas -

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    • Remove the small greasy springs with white plastic caps from either side of the battery contacts.

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    • Remove the following 10 screws from the bottom shield:

    • Six 3 mm Phillips

    • Three 7.5 mm Phillips

    • One 14 mm Phillips

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    • Lift the bottom shield off.

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    • Remove the single Phillips screw securing the DC-In board.

    You might not need to remove the entire DC-In board and cable. This is removed because the DC-In jack blocks the upper case from being lifted off. I just removed the screw and pushed the board slightly in when removing the upper case to provide clearance. You may want to tape the board loosely in place when the screw is out to prevent it from falling out.

    georgie333 -

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    • Angle the DC-In board out of its compartment.

    • You may need to remove tape that secures the DC-In board cable to the case.

    You need to undo the adhesive halfway down the cable, so you can lift the DC board to angle it out correctly. beefybov

    beefybov -

    Zitat von beefybov:

    You need to undo the adhesive halfway down the cable, so you can lift the DC board to angle it out correctly. beefybov

    Good call, beefybov.

    Ryan Cabanas -

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    • Lift the DC-In cable from the adhesive attaching it to the logic board.

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    • Disconnect the DC-In cable from the logic board.

    • Wiggling the connector parallel to the surface of the logic board while applying slight tension may aid in removal.

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    • Remove the following 11 screws from the bottom of the computer:

    • Three 3 mm Phillips around the battery compartment.

    • Three 4.5 mm Phillips along the optical drive bezel. (a magnetic screwdriver may help to lift these screws out)

    • One 12 mm Phillips in the lower right corner.

    • Four 14.5 mm Phillips.

    On my model, both left-side screws are short and the (lower) right screw is the long one.

    axel -

    Ditto

    Paulix -

    Sorry, this note should be for Step 25!

    axel -

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    • We recommend placing the computer on a soft cloth from this point on to prevent damaging the logic board.

    • Turn over the computer and open it.

    • Remove the 3 Phillips screws from the edges of the keyboard area.

    • The shorter screw goes in the lower left corner. The left corner is indicated by a blue "L" in the photograph and is on the right side.

    A soft cloth like the one you use to clean your screen with. Not a towel because of the static that might be built up in heavier fabrics.

    2myownbeat -

    The picture has the lower *right* screw marked as "L" -- but that's a mistake; the short screw is, as described, on the lower LEFT side.

    Peter King -

    On my computer, the screw in lower right marked "L" (long?) in the picture is M3x6mm and the other two are M3x3mm.

    donestabrook -

    Long screw goes into the right bottom corner - and the 3 mm on the left - at least at the computer I did.

    zhp -

    Yes, the LONG screw goes into the bottom RIGHT corner if the screen is facing you as it does when you're using the computer.

    Sugar Fish -

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    • Be especially careful while disconnecting the cables in the forthcoming steps. Never pull directly on the cables, but use a spudger to pry up the connector directly from its socket.

    • Lift the upper case and use a spudger or your finger to disconnect the trackpad connector hidden beneath the white plastic tab.

    • Be careful while lifting the upper case, as its tabs are still hanging on the metal frame.

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    • The sockets attached to the motherboards of most iBooks are very weak and easily broken. Use extreme caution when pulling connectors out of their sockets.

    • Lift the upper case enough to disconnect the blue and white power cable from the logic board. Using your fingernails, carefully pry the connector from its socket.

    • Carefully disconnect the multicolored speaker cable from the logic board in the same fashion.

    use 2 tweezers instead: One with a fine tip to hold down the female socket and the other (or your fingernails) to pry up the male connector. That way you can better prevent the female socket to break off from the motherboard.

    Christian -

    This is a very tough one. I did break both the power cable and speaker cable off the motherboard, and was unable to separate the motherboard-side connectors from the cable-side connectors even after that. Fortunately, this iBook was already bricked.

    Sugar Fish -

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    • Remove the following 16 screws:

    • Thirteen 3 mm Phillips.

    • One 3 mm Phillips.

    • Two 4 mm Phillips.

    • During reassembly, be sure to fit the screw near the left hinge through the loop in the display data cable, securing the cable to the upper case.

    on my model, the upper yellow screw and the orange screw were 3mm as well (red colour). So only the one right yellow screw was 4 mm.

    Paulix -

    Ditto

    2myownbeat -

    On my computer there is only one 4mm screw. The leftmost bottom right. The others are 3 mm. It is actually written on the shield: M2X3 = 3 mm. M2X4 = 4 mm.

    Paulix -

    The little tabs on the shield that are intended to contact the metal on the ports and the optical drive had been flattened out on my iBook and were no longer in contact. I didn't notice this until I had installed the shield. Make sure the tabs are bent down a bit as to contact the ports and optical drive. This system looks like it replaced the foil tape on earlier models. Just my own observation.

    randy3833 -

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    • Lift the top shield up from the right side, minding the upper left corner which may catch on the metal framework.

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    • Remove the two Phillips screws at the corners of the modem.

    • Remove the two Phillips screws at the corners of the modem.

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    • Use a spudger to pry the modem up from the end nearest the AirPort card to separate its connector from a socket on the logic board.

    • Be sure to pry only against the heat sink or the metal framework.

    • Use your hands to seperate the modem from the modem shield.

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    • Disconnect the RJ-11 cable from the end of the modem.

    • When replacing the modem, first make sure that both the microphone and display data cables are routed beneath where the modem lies.

Abschluss

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

Tinte & Feder

Walter Galan

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