Atari 800XL Service Manual

SECTION
3
DISASSEMBLY/
ASSEMBLY
DISASSEMBLY
Hardware Access
*
T
urn
unit
upside
down.
*
Remove
six
screws
from
bottom
cover.
*
Turn
unit
upright
*
Tip
cover
by
raising
the
left
side
allowing
access
to the
keyboard
cable.
Carefully
disconnect
the
keyboard
ground
strap
and
remove
the
keyboard
cable
from
its
socket
and
lay
top
aside.
NOTE:
Due
to
incompatabillty
of
plastic
housings,
do
not
interchange
top
or
bottom
housings
between
units.
Keep
the
housings
which
belong
to
each
unit
with
that
unit.
Printed Circuit Board Removal
*
Remove
the
fair
remaining
screws
holding
the
PC
Board.
*
Lift
up
on
the front
of
the
PC
Board
while
pushing
out on
the
right
side
of
the
bottom
housing
(player
port
side)
until
the
player
ports
clear
the
bottom
housing.
*
Remove
the
PC
Board.
Assembly
Reassemble
in
reverse
order.
26

Atari 800XL Specifications

General

Manufacturer	Atari
Type	Home computer
Release year	1983
CPU	MOS Technology 6502C
RAM	64 KB
ROM	24 KB
Operating System	Atari OS
CPU Speed	1.79 MHz (NTSC) / 1.77 MHz (PAL)
Graphics	ANTIC and GTIA chips
Display resolution	160×192 to 320×192 pixels
Sound	POKEY chip
Storage	Cassette tape, floppy disk
Ports	Serial, parallel, monitor, joystick ports