Atari 400 Field Service Manual

KEYBOARO
TOFCOVCR
Figure
*•
12. ATARI
800
Console,
Keyboard
Removal
ATARI
WO
HOME
COMPUTER
CONSOLE
ASSSEMBLY
The
following
outlines
the
steps required
to
reassemble
the Atari
t*-OQ
Home
Computer
console
and it's
related
printed
circuit boards.
MODULE
ASSEMBLY
REASSEMBLY
Refer
to Figure
i^-5
as
reference
for
the following
five
steps.
•
Snap
the
cartridge
guide into
the
motherboard
(it only
goes in
one way).
•
Insert RAM
and CPU
printed
circuit
boards
into the
motherboard
with
the
component
side
of the
PCBs
facing
away
from
you. Before
reassembling
the
PCBs,
make
certain
that
they
have been
cleaned
and lubricated.
(Refer
to
pages *-21
and
*-22
for
instructions.)
'
•
Set
aluminum
casting
upside
down,
invert
the
motherboard
and
gently
lower
it into
the
casting.
Atari
Home
Computer
^^-15

Atari 400 Specifications

General

Manufacturer	Atari
Model	400
Type	Home Computer
Release Year	1979
CPU	MOS Technology 6502
CPU Speed	1.79 MHz
ROM	10 KB
Operating System	Atari OS
Keyboard	Membrane keyboard
RAM	8 KB (expandable to 48 KB)
Graphics	ANTIC and GTIA chips
Sound	4 channels
Display	RF output for connection to TV
Storage	Optional cassette tape drive or floppy disk drive
Ports	Cartridge
Display Resolution	320x192 (16 colors)