Specifications
•
•
SYSTEM
TESTING
DIAGNOSTIC
TEST ROUTINE.
The
diagnos-
tic test routine
should
be
performed before
disassembly
of
the Master
Component.
Full
instructions covering the
operation
and analy-
sis of results are included
with
the
Diagnostic
Test
Cartridge
.
CUSTOMER'S GAME CARTRIDGE TEST.
Test the customer's Game
Cartridge
as
follows
:
a.
Verify that Master
Component
is
con-
nected
to
television set
as
outlined
in the
Operating
Instructions.
b. Set the Antenna
Switch
Box
to
GAME
.
Insert customer's
Game
Cartridge
in
Master
Component
and
depress the
reset
switch
.
Check
for
mistakes in
lettering
on
title
picture,
jumbled
play-
field
or
unwanted
characters.
c.
If any
problems
occur.
remove cus-
tomers Game
Cartridge
and check
Master
Component
with
a
known-good
Game Cartridge.
d.
With
the
known-good
Game
Cartridge
inserted. if
problems
are
not
observed,
then the
customer's
Game
Cartridge
is
defective.
If
problems
are still
observed.
troubleshoot
the Master
Component.
DISASSEMBLY PROCEDURE
Before disassembly
of
the Master
Component.
follow
the steps in the
Testing
Procedure
section to determine the
most
likely cause
of
the malfunction. Additionally, check the wall-
mounted AC
adaptor
prior
to
disassembly
for
the possibility
of
its
malfunctioning
. Refer
to the
Troubleshooting
Procedure section
for
instructions on testing the
wall-mounted
~C
adaptor. Disassemble the
Master
Component
only
to the extent necessary to
accomplish
•
repairs.
WARNING
MAKE SURE THE MASTER
COMPONENT
IS
UNPLUGGED
FROM
THE
AC
ADAPTOR
BEFORE DISASSEMBLY. REMOVE ANY
GAME CARTRIDGE FROM
THE
UNIT,
DIS-
CONNECT
THE
RF
CABLE
FROM
THE
RF
OUTPUT
JACK
AND
THE
HAND
CONTROL-
LERS FROM THEIR SOCKETS.
DISASSEMBLY
OF
CONSOLE
ASSEMBLY.
Disassemble the Master
Component
in a clean,
well-illuminated area. Refer
to
Exploded
Diagram (Figure
5,
Page 22).
Turn console assembly
upside
down
on a
surface protected by a
soft
cloth
or
a piece
of
carpet.
-9-
a.
Remove
two
Phillips-head
screws
securing the
top
housing
assembly to
the
bottom
housing
assembly.
b.
Turn
console
assembly
right
side up.
Gently
pull
the
front
of
the top housing
assembly
up
and away
from
the bottom
housing assembly.
Small
catches in the
rear
of
the
console
assembly prevent
the top and
bottom
housing
assemblies
from being
pulled
directly
apart.
c. Remove the 3
Phillips-head
screws
holding
the
Power
Supply
Board to the
standoffs on the
Logic
Board.
d.
Gently
lift
the
Power
Supply
Board
straight up
from
the
Logic
Board.
e.
Remove 4
Phillips-head
screws
holding
the
Logic
Board
to the
lower
housing
assembly.
f. Grasp the LogiC
Board
at the 44-pin
game
connector
and
gently
pull
it
straight
up
and
away
from
the
lower
housing
assembly.
Be
sure to allow
the Channel Select
switch
to clear its
opening
in the
lower
housing
assembly.
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