Apple Power Mac G4 M7825 Manuale Utente

Page 1 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Apple Powerbook G4 Aluminum 12” Repair ManualCopyright © 2006 Powerbookmedic.com.

Page 10 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, remove the white round stickers located between the keys. These round stic

Page 11 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.With the screws between the keys removed, Use a flat tool to pry up the keyboard

Page 12 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Now you can undo the keyboard connector from the logic board by grasping the cab

Page 13 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Trackpad / Palmrest RemovalBefore proceeding, you must first remove:BatteryRam A

Page 14 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, shut the lid of the computer, and turn it around to the back. Remove the t

Page 15 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Now, flip the unit over. In the battery bay you will see 3 silver 2mm screws. Re

Page 16 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, remove the two remaining pieces of aluminum tape in the two locations show

Page 17 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Removing the tape will reveal one more 4.5mm screw. Remove this screw. This will

Page 18 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, prop the casing up as shown so that you can more readily perform the next

Page 19 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved. Hard Drive RemovalBefore proceeding, you must first remove:BatteryRam Access Do

Page 2 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Table of ContentsBattery Removal…………………………………………………...………...pg. 4Airport Extreme

Page 20 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, grasping by the by the flex cable, lift the hard drive up and out of the

Page 21 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Hard Drive Bracket /Cable RemovalBefore proceeding, you must first remove:Batter

Page 22 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, remove the two Philips head screws with rubber holders from the other side

Page 23 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.DC-DC Board RemovalBefore proceeding, you must first remove:BatteryRam Access Do

Page 24 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Disconnect the sleep light cable and reed switch cable from the DC board as show

Page 25 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Begin by removing the two size #00 Philips head screws from the location shown.

Page 26 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, you need to remove the hex head screw located in the top left corner of th

Page 27 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.If the board is not loose, continue to gently pry around the top of the board as

Page 28 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Modem RemovalBefore proceeding, you must first remove:BatteryRam Access DoorKeyb

Page 29 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, lift the modem up from the front edge as shown. It should lift up easily.

Page 3 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Display Back Casing……..…………………...……..………………………..pg. 58Display LCD………..…………..……………

Page 30 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Heatsink RemovalBefore proceeding, you must first remove:BatteryRam Access DoorK

Page 31 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Remove any tape around the fan assembly. Usually there are two strips of tape in

Page 32 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, following the same procedure as with every other logic board connector, di

Page 33 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Now, use your pry tool to pry up the heatsink from the back near the fan assembl

Page 34 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Rib Frame / Internal Frame RemovalBefore proceeding, you must first remove:Batte

Page 35 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, using the same procedure as with the other logic board connectors, undo th

Page 36 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Remove the 8 Philips head screws from the locations shown in the picture below.

Page 37 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, lift back the display cable, and remove the two Philips head screws from t

Page 38 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, you need to disconnect the optical drive cable from the logic board. First

Page 39 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Lift the rib frame up an out as shown in the picture below. You may need to guid

Page 4 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Battery RemovalBefore beginning any repair, remove the battery first! Using a fla

Page 40 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Logic Board RemovalBefore proceeding, you must first remove:BatteryRam Access Do

Page 41 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Grasping the logic board from the edge closest to the optical drive, lift the bo

Page 42 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.DC-IN BoardBefore proceeding, you must first remove:BatteryRam Access DoorAirpor

Page 43 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.This will reveal a Philips head screw. Remove this screw.Grasp the DC-In board a

Page 44 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Optical Drive RemovalBefore proceeding, you must first remove:BatteryRam Access

Page 45 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Close to the display, the optical drive is held in place by a “ledge” To remove

Page 46 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Optical Drive Bracket / Cable RemovalBefore proceeding, you must first remove:Ba

Page 47 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.To remove the second EMI shield, remove the 3 Philips head screws in the locatio

Page 48 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Bluetooth Board RemovalBefore proceeding, you must first remove:BatteryRam Acces

Page 49 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, remove the single Philips head screw holding down the Bluetooth board in t

Page 5 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Airport Extreme CardBefore proceeding, you must first remove:BatteryBegin by flip

Page 50 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Subwoofer RemovalBefore proceeding, you must first remove:BatteryRam Access Door

Page 51 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.With the tape and screw removed (not removed in picture below) pull the subwoofe

Page 52 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Display ModuleBefore proceeding, you must first remove:BatteryRam Access DoorAir

Page 53 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, flip the unit over, and remove the two Philips head screws on the back edg

Page 54 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.At the airport extreme slot, using your finger, hold back the top right corner o

Page 55 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.You will now be able to lift the display module up and out of the unit. If it do

Page 56 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Remove the speaker panel by pulling it towards you and routing the cables throug

Page 57 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Bottom Case RemovalBefore proceeding, you must first remove:BatteryRam Access Do

Page 58 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Display Back CasingBefore proceeding, you must first remove:BatteryRam Access Do

Page 59 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Use your flat tool to separate the front bezel from the back case. The back case

Page 6 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.There is a plastic tab that is usually folded on the top of the card. You can use

Page 60 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.The back case should now be completely free. Flip the case back as shown in the

Page 61 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.The end of each cable has a metal portion that is held in place by two clips. Us

Page 62 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Display LCDBefore proceeding, you must first remove:BatteryRam Access DoorAirpor

Page 63 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.With the tape removed, disconnect the display cable from the LCD by gently grasp

Page 64 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.The LCD panel will now be free except for the inverter cable that comes out of t

Page 65 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Inverter Board / Display CableBefore proceeding, you must first remove:BatteryRa

Page 66 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.You can now lift the board up as shown.On the inverter board, on the right hand

Page 67 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Grasp the blue board holding the airport cable bundle, and pull it away from the

Page 68 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.With the screws removed, you should be able to pull the clutch cover down and re

Page 69 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Clutches / Hinges / Display BezelBefore proceeding, you must first remove:Batter

Page 7 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Next, using the plastic tab, gently pull the card towards you until it is complet

Page 70 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.The right hinge (left if the display was open and you were looking at it) will n

Page 71 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.You can now lift the left hinge out of the bezel.Display BezelThe display bezel

Page 72 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved. At Powerbookmedic.com, we strive to make our manuals as accurate as possible. I

Page 8 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Ram Access Door / Ram RemovalBefore proceeding, you must first remove:BatteryBeg

Page 9 of 72Copyright © 2006 Powerbookmedic.com. All rights reserved.Keyboard RemovalBefore proceeding, you must first remove:BatteryRam Access DoorTo