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