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Apple Powerbank G4 manual Sound Board, Tools

Models: Powerbank G4

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Page 46

Sound Board

Tools

This procedure requires the following tools:

•Torx T8 screwdriver (magnetized)

•Black stick (or other nonconductive nylon or plastic flat-blade tool)

Part Location

Preliminary Steps

Before you begin, remove the following:

•Battery

•Top case

•Hard drive

44 - PowerBook G4 (17-inch) Take Apart

Sound Board

Image 46

Apple Powerbank G4 manual Sound Board, Tools

Contents

 Service Source PowerBook G4 17-inch  Service Source Take Apart General Information New ProceduresOverview Important Notes ToolsSerial Number Location Zero Insertion Force Connectors To release the ﬂex cableTo connect a ﬂex cable Battery Part Location Preliminary StepsProcedure Memory Door Memory Cards Procedure Page Page Page Page Top Case Part LocationPreliminary Steps Page Page Page Replacement Procedure Page Page Page Page Page Page Page Page Page Page Page Page Keyboard Procedure Page Page Page Replacement Procedure Page Page Page Hard Drive Procedure Page Sound Board Procedure Page SuperDrive Procedure Page Backup Battery Board Procedure Modem Procedure PC Card Cage AirPort Extreme Assembly Procedure Page Page Page Page Bluetooth Procedure Page Speakers Procedure Page DC-In Board Procedure Page Page Logic Board Preliminary Steps Page Page Replacement Procedure Page Page Page Page Page Page Page Display Panel Assembly Procedure Page Page Page Page Replacement Procedure Page Page Page Page Page Page Heatsink and Fan Assembly Procedure Bottom Case Assembly Procedure  Service Source Troubleshooting Wire and Flex Cables Cable or Flex Cable Name Signals Running Through ItCable or Flex Cable Name Signals Running Through It Potential ﬂex cable and connector issues ZIF connector locking BarBroken connectors on the ﬂex cable Cable is not secured straightCables nicked or crimped Apple Service Diagnostic ASD Hardware Troubleshooting Tools and TipsApple Hardware Test 2.0.1 AHT General Information PowerBook G4 17-inch Troubleshooting Resetting the Power Manager Unit PMU Power-on pads on logic board PMU NMI and PMU Reset pads on logic board Caps lock LED power checkCustomer forgot password Software Troubleshooting Tips and ToolsLogin window and account Safe ModeKnowledge Base Articles Hardware Symptom Charts How to Use the Symptom ChartsPower Adapter Note Startup Page Prohibitory Sign Kernel Panic dialog box Flashing question mark appears on the screen System shuts down intermittently System shuts down almost immediately after startupApplication Quits, Kernel panic or other booting problems Error BeepsComputer beeps once at startup Computer beeps three times at startup Computer beeps twice at startupComputer beeps four times at startup AirPort Extreme Card not recognized AirPort Extreme CardAirPort connection is slow Battery will not eject BatteryBattery wont charge Bluetooth Bluetooth Card not recognized by other devicesDisplay Display latch not workingHard Drive Internal hard drive will not initializeNo response from any key on keyboard KeyboardNo keyboard illumination Half keyboard is illuminated MicrophoneMicrophone is not working No modem dial tone ModemModem does not respond can hear dial tone Optical Drive Difﬁculty writing to optical mediaPC Card will not insert into the PC Card slot PC CardPC Card does not mount to the desktop USB port is not recognizing devices FireWire port is not recognizing devicesPorts USB device not recognized by computerSound No sound from speakersDistorted sound from speakers Trackpad Cursor does not move when you are using trackpadCursor intermittently does not move or moves erratically Video Sleep LED does not come on when lid is closed Misc. SymptomsDate and Time settings reset all the time Feet came off the bottom casePage  Service Source Views PowerBook G4 17-inch Exploded View