Instruction manual

"ORK CHART
MANUFACTURER
AND
PART NUMBER
MONITOR CONNECTOR
[SIGNALS FROM 241,
POWER
FROM GAME CONNECTOR
(IF REQUIRED
WIRE
COLOR
PIN
GAME CONNECTOR
[POWER TO MONITOR
(IF REQUIRED)]
POWER DESC.
WIRE
COLOR
PIN
-29-
SECTION IX
MAINTENANCE AND CALIBRATION
Your
Model 241
ARCADE
ANALYZER
has
been constructed the
components and
that
the electronic
It
has
been designed
for
long reliable service
as
indicated
warranty.
has
to
offer
(1
Should
difficulty
be encountered
with
your
instrument, The
Hickok
Elec-
trical Instrument Co. maintains complete facilities
for
reliable and
service
of
our
products.
A troubleshooting procedure
is
not
in this manual. The
enced electronic technician can easily
interpret
the Schematic and Parts
Location diagrams
for
routine
troubleshooting.
Special
effort
has
been made
to
design the
instrument
around components
that
are
readily available in electronic
distribution.
In the calibra-
tion
of
the
unit
has
been developed using purpose test
equipment
commonly
found
in most repair facilities.
For
these reasons
your
Model 241
can
easily
be
checked
or
repaired
by
competent
service personnel.
CAUTION
There
is
exposed power line voltage present inside
the
Model .241 whenever the
unit
is
in
of
the
ON-OFF
switch
position.
Always
unit
from
the power source when
repairing the
unit.
To
calibrate the Model 241
you
will
need:
Digital
Multimeter
AC accuracy
±1
15
MHz
Oscilloscope
200mV
DC Voltage Source
To
accomplish the calibration,
perform
the
adjustments
are
in the Parts Location
1.
Plug the
unit
into
115
volt
60
Hz
power source and
tum
it
on.
2. Set the
front
panel controls
as
follows:
TEST
MODE
-
GEN.
SCAN
MODE
-
X-Y
X-V
SIZE
Minimum
CAL
position
TEST
PATTERN
- Diagonal Crosshatch
GUN
CONTROL
All
activated
BRIGHTNESS
-
Maximum
-30-
of