PowerBook 3400c/180, 3400c/200, and PowerBook G3
PowerBook 3400c/ PowerBook G3
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Hot Issues
PowerBook 3400/G3
Overview
PowerBook 3400 Modem Driver Update
Solution These problems are not heat-related. To address
these situations, Apple has released a modem driver update
Since many users believed these issues were heat-related
driver should resolve the issues and prevent needless
PB 3400 Modem Driver Update.img
PB 3400 Modem Driver Update Info
installation instructions
This revision will be supported when it is rolled into the
PowerBook 3400 Display Cable Gasket Installation 8/97 and 10/97
PowerBook 3400 Battery Gasket Installation 8/97
customers and can order the kit as service part number
076-0706. The installation is a warranty repair
For instructions on installing the Battery Gasket, see
“Battery Gasket Installation” in the Additional Procedures
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PowerBook 3400c/PowerBook G3
Basics
PowerBook 3400c
Product Overview
Basics
Product Overview
PowerBook G3
PowerBook 3400c/200 February ‘97
System Configurations
PowerBook 3400c/180 February ‘97
PowerBook 3400c/240 March ‘97
PowerBook G3 November ‘97
Repair Strategy
Ordering
USA Ordering
Repair Strategy
Canadian Ordering
Basics
Canada Only
Warranty/AppleCare/ARIS
US Only
Expansion Bay Drive Light Security Slot Battery
View of Front and Right Side
Volume Control Sleep Indicator Microphone Stereo Speakers
View of Rear and Left Side
connectors
Logic Board
Logic Board
The logic board includes
Description
Signals on the Video Connector
Signal Name
Battery Information
Main Battery
Optional Battery
Battery Handling Guidelines
Safety
Handle the battery carefully. Do not drop, puncture
Do not leave a battery in the computer for longer than a
week without plugging in the power adapter
PC Card Handling
When a Type III card is in the lower slot, the upper slot
Card. When the computer is in sleep mode, a PC Card
Card unit. Type III cards can only be placed in the lower slot
cannot be used
follow this procedure and try to push the card back in to
If you want to use the card again immediately, pull it out
about an inch more and then push it back in. If you don’t
use it again, the card will not engage properly
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PowerBook 3400c /PowerBook G3
Specifications
Introduction
PowerBook 3400c
PowerPC 603e microprocessor running at 180, 200, or
PowerBook G3
PowerPC G3 microprocessor running at 250 MHz
Memory
VRAM
Memory
16 MB EDO RAM, expandable to 144 MB
Floppy Drive Hard Drives CD-ROM Drives
PowerBook 3400c PowerBook G3
Disk Storage
I/O Interfaces
SCSI PC Cards ADB
Infrared
Serial
Sound
Power Adapter
Power adapter port
Connector on side panel allows users to attach security device
also secures battery and any module in expansion bay
Expansion Interfaces
Expansion Bay
Expansion Interfaces
Specifications
I/O Devices
Keyboard Trackpad Microphone
I/O Devices
19-mm vertical and horizontal pitch Integrated, solid-state trackpad
Video
Display
Video
12.1 diagonal, 800 x 600 active matrix color SVGA thousands of
Main Battery Power Adapter Backup Battery
Electrical
Electrical
100-240 VAC line voltage, 50-60 Hz
Dimensions
Weight
7.2 lb. 3.2 kg with floppy drive installed
7.4 lb. 3.3 kg with CD-ROM drive installed
Operating Temperature Storage Temperature Relative Humidity
Environmental
Operating Altitude Shipping/Non- Operating Altitude
Environmental
PowerBook 3400c/PowerBook G3
Troubleshooting
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General
Symptom Charts
Startup
Reset PRAM
error chord sequence
Upgrade to System Enabler 1.2.1 or later. Refer to Apple Software
occurs when using
Power
Screen
Check keyboard and backup battery cables and connections
battery, some Control
Replace backup battery
Panel settings are
Verify that power adapter is connected correctly
Power
When Shutdown is
selected with power
Low-power warning
Attach power adapter and recharge battery
low-power
backlight or other power-consuming devices. Or, reconnect
Video
Display
Adjust screen brightness setting
Backlight doesn’t
operate
Verify that backlight cable connection is secure
mode, reset power manager
Insert disk into floppy drive and press Command-e eject
Connect power adapter
Note If sleep light is blinking and computer is not in sleep
PowerBook shows no
Verify monitor using another computer
PowerBook shows
Thin white line is
Sound
Floppy Drive
booting display
ejects while
Try known-good system disk
Disk
Switch off system and hold trackpad button down while you
switch system on
Disk does not eject
Eject disk manually by carefully inserting opened paper clip
error
Read/write/copy
Try to format a floppy disk
Troubleshooting
Hard Drive
CD-ROM Drive
Symptom Charts/CD-ROM Drive
Try known-good CD-ROM disc
present, but CD-ROM
Check CD-ROM drive cable connections inside CD-ROM
PC Card Module PCMCIA
System with PC card Replace logic board. performs poorly or
hangs during floppy drive operations
Troubleshooting
Symptom Charts/PC Card Module PCMCIA
TroubleshootingSymptom Charts/Infrared Communication
Clean infrared window with soft lint-free cloth
Verify infrared signal is being received by host computer
Infrared Communication
Peripherals
Symptom Charts/Peripherals
Shut down computer, unplug adapter, and remove battery. Let
when you are using
Connect low-power mouse and try to move cursor. If cursor
Clean trackpad surface with computer off, using a non
intermittently
Note User must touch trackpad with the surface of only one
does not move or
Try a known-good low-power mouse. If the known-good
mouse works, clean mouse ball and inside of original mouse
moves, but
clicking trackpad
Reset the power manager
Check keyboard connection by disconnecting and reconnecting
Update Serial DMA extension to version 2.1 or higher
Verify that computer is on
Known
Verify that SCSI select switch setting on external device is
I/O devices are
unrecognized, or
garbage is
Miscellaneous
Troubleshooting Flowchart-Startup Problems
Troubleshooting Flowchart-Startup Problems
Troubleshooting
START
Symptom Charts/Miscellaneous
Troubleshooting Flowchart-Startup Problems
Troubleshooting
2. Boot with Disk Tools Update Driver
PowerBook 3400c /PowerBook G3
Take Apart
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Dental pick for opening flex connectors
Tools
Take ApartTools
Use the following tools for taking apart these computers
Screws
Take Apart
Bottom Case Assembly
Bottom Case Assembly
Battery
Battery
Before you begin, unplug the power adapter
Take Apart
the battery out of the
Replacement Caution
You must install the battery
before connecting the power
Floppy Drive Assembly
Floppy Drive Assembly
No preliminary steps are required
Note Media bay devices require approximately 7 lb. pull strength
assembly by its ridged
1 Slide the release button
forward
Caution Grasp the ridged
Media bay tolerances are tight
Align media bay devices carefully before inserting them into the bay
Floppy Drive Assembly
Replacement Caution
CD-ROM Drive Assembly
CD-ROM Drive Assembly
Take Apart
No preliminary steps are required
assembly without damaging
Caution To remove the
it, turn the unit upside
down, as shown
CD-ROM Drive Assembly
Replacement Caution
Take Apart
Media bay tolerances are tight
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly
Keyboard
Take ApartKeyboard
Keyboard
Close the computer and
turn it upside down
Remove the
Keyboard
Open the computer
Take Apart
Take ApartKeyboard 5 Gently turn the keyboard onto the palm rest
Replacement Note As you
Take ApartRAM Card
Before you begin, remove the following Battery Floppy Drive Keyboard
RAM Card
RAM Card
RAM Card
Take Apart
Floppy or CD-ROM Drive Assembly Keyboard
Brightness Speaker Grill
Take ApartBrightness & Speaker Grill
Before you begin, remove the following Battery
Using a dental pick
connector
Brightness & Speaker Grill
detach the brightness
Replacement Caution
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
Left & Right Clutch Covers
Take ApartLeft & Right Clutch Covers
Before you begin, remove the following Battery
assembly at 170 from
display. Using a
assembly
Left & Right Clutch Covers
Replacement Note Install the palm rest before installing
the right & left clutch covers. The tabs on the palm rest fit
under the clutch cover tabs
Take Apart
Palm Rest
Take ApartPalm Rest
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
Palm Rest
Grasp the right corner of
the palm rest and pull it
Grasp the top ridge of the
4 Using a dental pick
Replacement Notes
detach the trackpad
connector
Trackpad
Take ApartTrackpad
Left & Right Clutch Covers Palm Rest
Before you begin, remove the following Battery
Trackpad
that hold the trackpad
button in place
Take Apart
Page
Note Use a nonstatic inducing material to clean the
trackpad surface, making sure the computer is off
Take Apart
Trackpad
Sleep Actuator
Take ApartSleep Actuator
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
holds the closure switch
Sleep Actuator
1 Remove the screw that
in place
pins
Place a flat-blade
screwdriver behind the
actuator and push the
Hard Drive
Take ApartHard Drive
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
Hard Drive
that connect the hard
drive bracket to the CPU
stiffener
Turn the hard drive
bracket so that it rests
in front of the computer
Pull the hard drive cable
Using the pull tab
Adjust the display so that it sits at an 80 angle
Remove the hard drive
insulator
Power Supply Board
Take ApartPower Supply Board
Left & Right Clutch Covers Palm Rest Hard Drive
Before you begin, remove the following Battery
Power Supply Board
Note The connector is
of the power supply board
connector, grasp the top
Left & Right Clutch Covers Palm Rest Hard Drive Power Supply Board
Heatsink
Take ApartHeatsink
Before you begin, remove the following Battery
tacky keep it clean so it does
Heatsink
Note The heat transfer
sponge on the heatsink is
Ethernet or Ethernet/Modem Card
Ethernet or Ethernet/Modem Card
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
Replacement Note You
Take ApartLogic Board
Heatsink Ethernet or Ethernet/ Modem Card
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
pins, lift the PCMCIA
switch board straight up
Disconnect the display
cable
Using your fingers
connector and gently
disconnect the LED
guide the cable out of its
disconnect the fan
Slightly pull out the left
side of the bottom case to
free the logic board
Replacement Note The
CPU Stiffener
Take ApartCPU Stiffener
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
Display Assembly
assembly consists of a metal
2 Using your fingers, slide
CPU Stiffener
the assembly forward
Note Turn the assembly
and lift it off
around to perform the next
from the center clutch
cover
from the CPU stiffener
Lift off the CPU
7 Using your finger, push
in the foot lever on each
foot and release it
Take Apart
Replacement Notes
Insert the foot/spring assembly into its opening on the
foot/spring assembly as far as it will go. Letting go of the
release lever locks the assembly into place
Before installing the stiffener, make sure 1 the LED
Infrared Window Board
Take ApartInfrared Window & Board
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
falls out when you remove
Infrared Window & Board
Ethernet or Ethernet
Modem Card
Replacement Notes
Before installing the CPU stiffener onto the bottom case
its 3 holding tabs on the bottom case. Align the notch with
the center tab and push the board back until it snaps into
place underneath the window tab
Media Bay LED Release Mechanism
Media Bay LED & Release Mechanism
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
media bay crystal and
gently pry up until the
LED dislodges
Display Assembly
mechanism assembly
Note The release
consists of a spring and
plastic “hook and eye.”
installed release mechanism
Caution The following
step, which frees the tightly
from the bottom case, is
Mechanism Replacement
Install the plastic “eye” onto its round notch on the bottom case
Install the spring onto its 2 pins on the release mechanism
Take Apart
Cable Replacement Note
stiffener is installed
Gently bend the LED cable to
the right so that its con-nector rests outside the bottom
ADB Door
ADB Door
Take Apart
No preliminary steps are required
Note The ADB door is held in place by 2 pins on the bottom case
1 Open the ADB door
2 Unhinge one side of the door, then the other 3 Lift off the door
Take Apart
I/O Door
I/O Door
Take Apart
No preliminary steps are required
place by 2 pins on the
Note The I/O door is held in
1 Placing a finger on each
side of the open I/O door
Front Feet
Front Feet
Note Removing the front feet is not necessary for further take-apart
Take Apart
1 With a flat-blade
screwdriver, pry up and
remove the feet from the
grooves in the bottom
Bottom Case
Take ApartBottom Case
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Brightness & Speaker Grill
2 Slide the reset actuator
Bottom Case
Media Bay LED & Release
Mechanism
Before you begin, remove the following Floppy Drive Assembly
Floppy Drive
Floppy Drive
Take Apart
Using a #6 torx driver
remove the 5 screws
from the floppy drive
Lift the floppy drive out
disconnect the floppy
drive cable from the
floppy drive and the
floppy drive board
Make sure the metal plate
is seated on the bottom
Replacement Notes
Take Apart
Install the top case
Install both ends of the
cable into its connectors
Holding the assembly
Take Apart
Display Assembly
Display Assembly
Take ApartDisplay Assembly
Floppy or CD-ROM Drive Assembly Keyboard Left & Right Clutch Covers
Display Assembly
Before you begin, remove the following Battery
Gently disconnect the
display cable from the
logic board
Display Assembly
Replacement Note
from the metal clutches
Lift off the display
Display Assembly
undertightened. Remove the display assembly and loosen
top case. If you can, this indicates the clutch screws are
the screws
Display Assembly
Display Housing
Take ApartDisplay Housing
Brightness & Speaker Grill Display Assembly
Before you begin, remove the following Battery
Display Housing
1 Using a plastic swizzle
stick, remove the
product name plates
2 Remove the 2 bumpers
and 4 interchangeable
screws from the bezel
Display Housing
of the display housing
housing
3 Starting at the clutch end
use a flat-blade
Replacement Note
Brightness & Speaker Grill Display Assembly Display Housing
Latch
Take ApartLatch
Before you begin, remove the following Battery
display assembly. Removal
screws are installed
Latch
Note It’s a good idea to
Display Frame
Take ApartDisplay Frame
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Left & Right Clutch Covers
Display Frame
from the display frame
Take Apart
Remove the
Take ApartDisplay Frame
2 Using your fingers, disconnect the sleep LED connector
3 Using your fingers, disconnect the 2 speaker connectors
Using your fingers or a
flat-blade screwdriver
release the 6 tabs
frame
Replacement Notes
wires
aligned, install the
Wrap the cables around
their guide posts and
Inverter Board
Take ApartInverter Board
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Left & Right Clutch Covers
3 Set the inverter frame aside
Take ApartInverter Board
Replacement Notes
Holding the inverter
frame slightly above the
display, connect the
backlight and display
Precisely align the
inverter frame with the
“M-shaped” guide line on
the display shield
Display Frame Inverter Board Note For this procedure it
Display Cable
Take ApartDisplay Cable
Before you begin, remove the following Battery
Review the precaution for
aluminum, where specified
1 Using a swizzle stick
Display Cable
Dispose of the tape
cable from the display
Take Apart
Display Cable
Gently pull the
microphone off the bezel
Peel back the kapton tape
from the “Y” section of
holding pins, slide it to
Unwrap the display cable
from the right clutch
Lift the cable off its two
Replacement Notes
Display
Take ApartDisplay
Display Frame Inverter Board Display Cable
Before you begin, remove the following Battery
Display
1 Remove the display from
the bezel
Take Apart
Display
Replacement Notes
Take Apart
Clutch
Take ApartClutch
Before you begin, remove the following Battery
Floppy or CD-ROM Drive Assembly Keyboard Left & Right Clutch Covers
Take ApartClutch
2 Lift each interchangeable clutch off its pins
1 Carefully fold up the clutch grounding tabs on the display shield
Bezel
Take ApartBezel
Floppy or CD-ROM Mechanism Keyboard Left & Right Clutch Covers
Display Frame Inverter Board Display Cable Display
Bezel
Clutch
Note Removal of the LED is
only necessary if you are
PowerBook 3400c/PowerBook G3
Additional Procedures
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Battery Verification
Additional Procedures
Power Adapter Verification
the level indicator button to activate the indicator lights
Backup Battery Verification
To recharge the backup battery, leave the PowerBook
If the backup battery appears dead or will not charge
replace the backup battery
plugged in for 48 hours. It is ok to use it while it is
PRAM and Power Manager Reset
Resetting PRAM
Power on the computer by pressing the Power key
Immediately hold down the Option-Command-P-R keys
If the PowerBook emits multiple chimes when you are
holding down the Option-Command-P-R keys, skip to
Additional Procedures
PRAM and Power Manager Reset
Resetting the Power Manager
Battery Gasket Installation
Paper Backing Tacky Surface Wood Applicator Gasket
Battery Bay
Paper
Backing
Gasket
the battery bay
metal surface above it
5 Press the gasket onto
Additional Procedures
Burnish
PowerBook 3400c/PowerBook G3
Exploded View
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Bottom & Display Assembly
Exploded View
Logic
Board
Bottom & Display Assembly
Left Display Housing Grill 922-2480 Display 661-1236 CPRC/Intl Only
Display Housing Right Display Housing Grill Display Frame
Exploded View