Apple PowerBook 3400c G3 Service Manual
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Service Source
PowerBook 3400c/PowerBook G3
PowerBook 3400c and PowerBook G3
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Service Source
Basics
PowerBook 3400c/PowerBook G3
Basics Product Overview - 1
Product Overview
®
PowerBook 3400c
The PowerBook 3400c
computer is an all-in-one
notebook with several
features that greatly
increase its performance.
Its 603e microprocessor
runs at a clock frequency of
180, 200 or 240 MHz. In
addition to the 256K L2
cache, the PowerBook
3400c comes with 16 MB of
RAM and is upgradeable to
144 MB.
Basics Product Overview - 2
The system includes a 1, 2, or 3 GB hard drive, optional CDROM drive, and standard 1.44 MB floppy drive. And, with its
12.1" display, the screen is larger than previous
PowerBook displays.
PowerBook G3
The PowerBook G3 is based on the PowerBook 3400c, but
due to its 250-MHz PowerPC G3 processor, L2 backside
cache, and improved bus speed, the PowerBook G3 is
approximately twice as fast as the 240-MHz PowerBook
3400c. The PowerBook G3 also includes more RAM on
board, a higher powered battery, and a larger hard drive
than the PowerBook 3400c. In addition, the PowerBook G3
is shipping with MacOS 8, which is optimized to run with
the G3 processor. The combination of these features results
in PowerBook G3 break-through performance.
Basics System Configurations - 3
System Configurations
The PowerBook 3400c and G3 come in these configurations:
PowerBook 3400c/180 (February ‘97)
• Processor: 180-MHz PowerPC 603e
• RAM: 16 MB
• Drives: 1 GB hard drive; 1.44 floppy drive; optional 6x
CD-ROM drive
• Display: 12.1-inch SVGA
PowerBook 3400c/200 (February ‘97)
• Processor: 200-MHz PowerPC 603e
• RAM: 16 MB
• Drives: 2 GB hard drive; 1.44 floppy drive; 6x CD-ROM
drive
• Display: 12.1-inch SVGA
• Modem: EtherNet/modem card
Basics System Configurations - 4
PowerBook 3400c/240 (March ‘97)
• Processor: 240-MHz PowerPC 603e
• RAM: 16 MB
• Drives: 3 GB hard drive; 1.44 floppy drive; 12x CDROM drive
• Display: 12.1-inch SVGA
• Modem: EtherNet/modem card
PowerBook G3 (November ‘97)
• Processor: 250-MHz PowerPC G3
• Cache: L2 backside cache
• RAM: 32 MB
• Drives: 5 GB hard drive; 1.44 floppy drive; 20x CDROM drive
• Display: 12.1-inch SVGA
• Modem: EtherNet/modem card
Basics View of Front and Right Side - 5
View of Front and Right Side
Volume Control
Sleep Indicator
®
Microphone
Stereo Speakers
Brightness Control
Floppy Drive
Expansion Bay Drive Light
Security Slot
Battery
The front of the computer
includes the following:
stereo speakers, volume
control, brightness control,
sleep indicator, and
microphone.
The right side includes the
battery, security slot,
expansion bay drive light,
and floppy drive.
Basics View of Rear and Left Side - 6
View of Rear and Left Side
Infrared
Window
Expansion
Port
Reset Button
Printer/External
Modem Port
SCSI Port (HDI-30)
Video Port
Power
Adapter
Port
Stereo Speaker
Two PCMCIA
card slots
PC Card
Eject Buttons
ADB Port
Elevation
Feet
Sound
Input
Port
Sound
Output
Port
The rear panel includes the
infrared window, reset
button, and these ports:
expansion, printer/external
modem, SCSI, video, and
power adapter.
The left side includes a
stereo speaker, two PC card
(PCMCIA) slots, PC card
eject buttons, and these
ports: sound input, sound
output, and ADB.
Basics Logic Board - 7
(F
3400)
ront of
603e Microprocessor
Fan
Connector
Power
Supply
Connector
Trackpad
Connector
LED
Connector
Ethernet/
Modem Board
Connector
CD-ROM or
Floppy Drive
Connector
Infrared
Connector
Hard Drive Connector
PCMCIA
Mechanism
Keyboard
Connectors
Display
Connector
16MB
Onboard
RAM
RAM Card
Connector
PCMCIA
Connector
Brightness &
Speaker
Connector
Logic Board
The logic board includes
onboard RAM, the PCMCIA
mechanism, and numerous
connectors.
Basics Signals on the Video Connector - 8
Signals on the Video Connector
Pin Signal Name Description
1 RED Red video signal
2 GREEN Green video signal
3 BLUE Blue video signal
4 MONID(0) Monitor ID signal 0
5 GND DDC return
6, 7, 8 AGND_VID Analog video ground
9 +5V_IO 5 V Power for I/O device
10 GND HSYNC & VSYNC Ground
11 VGA_ID VGA ID signal
12 MONID(2) Monitor ID signal 2
13 HSYNC Horizontal
synchronization signal
14 VSYNC Vertical synchronization
signal
15 MONID(1) Monitor ID signal 1
Basics Battery Information - 9
Battery Information
Warning:
(LiIon)battery supplied with the computer. Batteries
designed for other portable computers may look similar, but
they may not work with your computer and may damage it.
The LiIon and nickel-metal-hydride (NiMH) batteries look
similar. To distinguish them,
For the main battery, use only the lithium-ion
• Read the label on the battery, which will identify the
battery as either “LiIon” or “NiMH.”
• Look for battery indicator lights; if the battery has
them, it’s a LiIon battery.
Basics Battery Information - 10
Main Battery
For their main batteries,
the PowerBook 3400c and
G3 use lithium ion (LiIon)
batteries. Each battery
provides power for up to
four hours of work time.
Note
: Although these
batteries fit into a PowerBook 190/5300, it will not
recognize or charge them.
Note:
To use the PowerBook
G3 battery in a PowerBook
3400c, you may need to
install a software update.
Basics Battery Information - 11
Optional Battery
The PowerBook 3400c and G3 computers can also use a
nickel-metal-hydride (NiMH) battery. This battery
provides somewhat less work time; the precise amount of
work time depends on the model you have and the battery
conservation features you use.
Battery Handling Guidelines
The following are guidelines for properly handling the
PowerBook 3400c and G3 batteries:
Warning:
should not be thrown out with household or office trash. Take
dead batteries to an Apple authorized service provider for
recycling or proper disposal. Review battery handling and
disposal instructions in Safety Information in Bulletins/
LiIon batteries contain hazardous chemicals and
Basics Battery Information - 12
Safety.
• Handle the battery carefully. Do not drop, puncture,
disassemble, mutilate, or incinerate it.
• Do not leave a battery in the computer for longer than a
week without plugging in the power adapter.
• Always put the battery cap on the battery when the
battery is out of the PowerBook. The battery contacts
should not be exposed when the battery is out of the
computer.
• Do not leave the battery in hot locations (such as the
trunk of a car).
• Do not leave a battery in storage for longer than six
months without recharging it.
• Never get batteries wet.
• Do not short-circuit the battery terminals. Doing so may
cause an explosion or a fire.
• Recharge batteries only as described in the user’s
manual and only in ventilated areas.
Basics PC Card Handling - 13
PC Card Handling
Two PC Card slots (also
known as PCMCIA slots) are
featured in the PowerBook
3400c and G3 computers.
The two slots accept a
variety of third-party PC
Cards with 68-pin
connectors.
There are three types of PC
Cards: Type I (3.3 mm),
Type II (5 mm), and Type III
(10.5 mm). Type I and Type
II cards fit in either the
upper or lower slot of the PC
Basics PC Card Handling - 14
Card unit. Type III cards can only be placed in the lower slot.
When a Type III card is in the lower slot, the upper slot
cannot be used.
The following are guidelines for properly handling PC Cards:
• Use only cards that are compatible with the PC Card unit.
Refer to the compatibility information that came with the
card. If you cannot find the compatibility information,
call the card vendor.
• Do not insert anything other than a PC Card into the card
slots.
• The computer must be on or off in order to eject a PC
Card. When the computer is in sleep mode, a PC Card
cannot be ejected.
• Before you eject a card, make sure nothing is blocking
the card’s slot.
Basics PC Card Handling - 15
• 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
follow this procedure and try to push the card back in to
use it again, the card will not engage properly.
• Do not pull on a PC Card before it has been ejected out of
the slot. Forcing a PC Card out of the slot may damage the
computer or the card.
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Service Source
Specifications
PowerBook 3400c /PowerBook G3
Specifications Processor - 1
Processor
CPU
PowerBook 3400c
PowerBook G3
Cache
PowerBook 3400c
PowerBook G3
PowerPC 603e microprocessor running at 180, 200, or 240
MHz
PowerPC G3 microprocessor running at 250 MHz
256K, second-level (L2) cache
512K, L2 backside cache
Specifications Memory - 2
Memory
RAM
PowerBook 3400c
PowerBook G3
ROM
VRAM
16 MB EDO RAM, expandable to 144 MB
32 MB EDO RAM, expandable to 160 MB
4 MB ROM
2 MB VRAM
Specifications Disk Storage - 3
Disk Storage
Floppy Drive
Hard Drives
CD-ROM Drives
PowerBook 3400c
PowerBook G3
Removable 1.44 MB floppy drive (in the expansion bay). Reads
and writes Macintosh 1.4 MB and 800K floppy disks, as well as
Windows, DOS, and OS/2 720K and 1.44 MB floppy disks.
1.3, 2.0, 3, or 5 GB 2.5" hard drive
Optional, removable 6x-speed CD-ROM drive in the expansion
bay, if included (PowerBook 3400c/180; PowerBook 3400c/
200)
Removable 12x-speed CD-ROM drive in the expansion bay
(PowerBook 3400c/240)
Removable 20x-speed CD-ROM drive in the expansion bay
Specifications I/O Interfaces - 4
I/O Interfaces
SCSI
PC Cards
ADB
SCSI port (HDI-30 connector) for hard drives, scanners,
printers, and other devices; also supports PowerBook SCSI
disk mode
Two PC Card (PCMCIA card) slots support either two Type I or
Type II cards or one Type III card
Lower slot also supports “zoom video,” a method of displaying
video signals from a PC card
Apple Desktop Bus (ADB) port for keyboard, mouse, or other
input devices using a low-speed, synchronous serial bus
200 mA maximum current draw for all ADB devices
Supports up to three ADB devices in a daisy chain
Specifications I/O Interfaces - 5
Serial
Sound
Infrared
Serial port for printer, modem (including Geo Port support),
LocalTalk network, or other serial devices (RS-422)
Sound output port for external audio amplifier/powered speakers,
stereo mini-jack, 3-connector, standard 3.5-mm stereo
miniplug; sound input port for stereo sound input (line level),
stereo mini-jack, 3-connector, standard 3.5-mm stereo
miniplug
16-bit stereo sound in and out supports 44.1 kHz (“CD quality”
sound), 22 kHz, and 11 kHz sample rates
Four built-in speakers; two housed in the display and two at the
top of the keyboard
Built-in infrared that supports two types of transmission—230
kilobit-per-second IRTalk and 1 megabit-per-second IrDA
Specifications I/O Interfaces - 6
Power Adapter
Video
Security
Power adapter port
Video port for up to 16-bit/thousands-of-color video output to
most Apple monitors (with the supplied adapter), VGA
monitors (640 x 480), and SVGA monitors (800 x 600, 1024
x 768)
Connector on side panel allows users to attach security device;
also secures battery and any module in expansion bay
Specifications Expansion Interfaces - 7
Expansion Interfaces
Expansion Bay
Expansion bay accepts a removable expansion bay module (floppy
drive, CD-ROM drive) or other modules
Specifications I/O Devices - 8
I/O Devices
Keyboard
Trackpad
Microphone
Built-in keyboard with 12 function keys
76 keys domestic, 77 keys ISO
3.0-mm travel keyboard
19-mm vertical and horizontal pitch
Integrated, solid-state trackpad
Internal, electret, omnidirectional microphone
Specifications Video - 9
Video
Display
12.1" diagonal, 800 x 600 active matrix color SVGA; thousands of
colors
Specifications Electrical - 10
Electrical
Main Battery
Power Adapter
Backup Battery
Rechargeable lithium ion (LiIon) battery
2-4 hours of use before recharging
100-240 VAC line voltage, 50-60 Hz
60 milliampere (mAh) rechargeable NiMH battery for calendar/
clock maintenance. Also backs up contents of RAM for a few
minutes while battery is changed (when PowerBook is in sleep
mode)
Specifications Physical - 11
Physical
Dimensions
Weight
Height: 2.4 in. (65.6 mm)
Width: 11.5 in. (293 mm)
Depth: 9.5 in (239.5 mm)
7.2 lb. (3.2 kg) with floppy drive installed
7.4 lb. (3.3 kg) with CD-ROM drive installed
Specifications Environmental - 12
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
Operating Altitude
Shipping/NonOperating Altitude
50° to 95° F (10° to 35° C)
-13° to 140° F (-25° to 60° C)
20% to 80% noncondensing
10,000 ft. (3,048 m) maximum
15,000 ft. (4,572 m) maximum
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