Hitachi CM2186A User manual
HITACHI
COLOR
DISPLAY
CM2186A
OPERATING
GUIDE
For ‘future
reference,record
the model and serial number of your display monitor.
Model No.
Serial No.
The numbers are located on the rear of the set.
Read the instruction inside carefully.
Keep this manual for future reference.
All Rights Reserved
Printed in Japan
NOTICE
The information in this document is subject to change without notice. Hitachi
assumes no responsibility for any errors that may appear in this document.
FCC STATEMENT For USA Model
(CM2186A3LN)
The
following statement applies to this HITACHI product. Federal Communication
Commission (FCC) Statement
Barning:
WARN I NG- This equipment generates, uses, and can radiate radio frequency
energy and if not installed and used in accordance with the instructions manual,
may cause interference to radio communications. It has been tested and found to
comply with the limits for a Class A computing device pursuant to Subpart J of
Part 15 of FCC Rules, which are designed to provide reasonable protection against
such interference when operated in a commercial environment. Operation of this
equipment in a residential area is likely to cause interference in which case the
user at his own expense will be required to take whatever measures nay be
required to correct the interference.
-2-
INSTRUCTIONS TO USER:
This equipment complies with the requirements of FCC (Federal Communication
Commission) Class A equipments provided that the following conditions are met.
(1) Video signal cables:
Double shielded
coaxial
cables (so called FCC shield cable) should be used and
the outer shield should be connected to the ground. Or, if normal coaxial cables
are used, the cables should be enclosed in metal pipes or similar way to reduce
the interference noise radiation.
(2) Power cord:
Shielded power cord should be used. The outer shield should be connected to the
ground.
(3)
Video inputs:
The input signal amplitude must not exceed the specified level.
GENERAL
The
CM2186A
is an ultra high resolution color display designed for
CAD/CAM/CAE
engineering and workstation use:
CM2186A's
key features are:
*
Ultra-high resolution up to 1280 dots X 1024 lines
*
Full square and flatter face plate screen.
*
Sharp focus by in-line gun high resolution CDT 21 inch
(2OV)
with a 0.31 mm dot
pitch matrix.
* Higher legibility at corners with dynamic focusing system.
* Bright color picture with low distortion due to the use of an efficient high
performance deflection yoke.
* Compact chassis and low power consumption with switching power supply and self
converging system.
*
Ergonomically designed cabinet with tilt and swivel stand.
-POWER SOURCE
F o r USA MOd e 1
(CM2186A3UY)
This color display is designed to operate on
loo-120
volts
50/60
Hz. Insert the
power cord plug into a
loo-120
volts
50/60
Hz safety grounded receptacle.
DO NOT CONNECT THE DISPLAY TO OTHER THAN
TH-E SPEC I F I ED VOLTAGE.
Never remove the back cover of the display
aa
this can expose you to very high
voltage and other hazards. If the display does not operate properly, unplug
the display and call your dealer,
NOTE :
1.
This color display is equipped with a three-wire type plug.
This plug will only fit into a grounding-type power receptacle.
This is a safety feature, do not defeat the safety purpose of
the grounding-type plug.
2. If the power cord or plug is damaged or frayed, replace it.
3. Do not overload wall receptacles or extension cords as this can
result in fire or electric shock.
WARNING:
TO PREVENT SHOCK OR FIRE HAZARD, DO NOT
EXPOSE THIS DISPLAY TO RAIN OR MOISTURE.
For European Mode 1
(CM2186A3EY)
Aus
ergonomischen Gruenden wird empfohlen, die Grundfarbe Blau
nicht
auf dunklem
Untergrund zu verwenden (schlechte Erkennbarkeit, Augenbelastung
bei
zu
geringem
Zeichenkontrast).
-4-
CAUTIONS ON USE
WARNINGS
NEVER REMOVE THE BACK COVER
Removal of the back cover must be done only by qualified personnel,
Inside of this display monitor contains high voltage.
USE CORRECT VOLTAGE
1
For USA model
(CM2186A3UY)
I
Use 100-120 volts
50/60
Hz power line with safety grounded receptacle only.
[
For European
model(CM2186A3EY)
]
Use 200-240 volts
50/60
Hz power line with safety grounded
receptcle
only.
Extremely high or low power voltage may cause trouble or may not give optimum
performance.
DO NOT USE AT WRONG PLACE
To prevent shock or fire hazard, DO NOT expose this unit to rain or moisture.
This unit is designed to be used in offices. DO NOT subject the unit to
vibrations. dust or corrosive gases.
KEEP IN A WELL VENTILATED PLACE
Ventilation holes are provided on the cabinet to prevent the temperature from rising.
DO NOT cover the unit
ollplace
anything on top of the unit,
AVOID HEAT
Avoid placing the unit in direct sunshine or
near
heating appliance.
BE CAREFUL OF MAGNETIC FIELDS
Do not place a magnet, speaker system, printer, floppy disc drive or anything which
will generate magnetism near the unit,
distortion of displayed pattern. A magnetic field may cause blurred colors or
BE CAREFUL OF TREATING THE SURFACE
Do not wipe the surface of the unit using volatile liquids such as benzine or thinners,
or any chemically treated cloth: do not apply insecticide. It may damage the surface
or cause peeling-off of the paint.
when
a vinyl product is kept in contact with the
surface a long time, stains may occur.
LOCATION OF CUSTOMER CONTROLS
I
POWER SWITCH
POWER INDICATOR
‘v
x
DEGAUSSING
sw~~ci-i
Fig. 1. Front View
*CONTRAST AND BRIGHTNESS CONTROLS
Adjust the picture contrast and brightness on the screen.
,DEGAUSSING
SWITCH
This display is equipped with an automatic degaussing circuit (This circuit operates
when power is switched on). If the display is turned horizontally and picture color
becomes un-uniform, push this switch to get fine color uniformity. Picture become
still after some ten seconds.
-h-
AC INLET
\-
GBR
I
,o 0
o,o]
I' I
/
R.G.B. SIGNAL INPUT SYNC SIGNAL INPUT
Fig.2. Rear view
from signal gknerator
[SIGNAL
CABLE
CONNECTION]
75OHM
termination switch
Fig.3. Signal cable
connec
tion
from signal generator
T-type connector
Fig. 4. SignaI cable connection (loop-through state)
SIGNAL CABLE CONNECTION
Connect
R.G.B.
signal BNC connectors to the signal input.
Vhen
one display is used, the
termination
S1
must be switched to ‘75
DtM’
side (see
Fig.3).
lhen more than one display
are used at the sane tine (loop through state), see Fig.4 for connecting cabies.
For loop-through
cpnnection,
T-type connectors (option) have to be used, and termination
S;P
DUSt
be switched to ‘High impedance’ side other than the last
monitor
ln
line
(see
Fig.
3).
-a-
‘-
T i m i n g C h a r
t
(
Recommended Signal
)
Horizontal
fH
T: Period
F: Front porch
1: Sync width
B: Back porch
D: Display time
Vertical
fv
60.0
Hz
T: Period 16.67
mS
(1065
H)
F: Front porch
0.047
Ins
(3
HI
W: Sync width
0.047
IDS
(3
II)
B: Back porch
0.547
mS
(35
HI
D: Display time 16.026
mS
(1024
H)
63.9
kHz
2.36
,uS
11.92
d3
Sync on Green mode
Video
C&B)
I
D
I
Green
with Sync.
H/V Composite Sync. mode
Video
(R,
G,
B)
Sync.
lUUUL
e----e
F W
B
-> --
<
c-l
-- <-
T
----v---m-
--mm
>
Two types of
Sync.mode,
H/V Composite Sync mode and Composite Sync on Green mode are
automatically Selectable. The priority is
H/V
Composite Sync..
-9-
INSTALLATION INSTRUCTION FOR ADJUSTMENTS
CM2186A
is adjusted to the standard signal timing at the factory as indicated
in “Timing Chart”
(~9).
When changing
fH
or display timing of input signal, the picture location or the picture
size on the screen needs to be readjusted, by qualified personnel.
If necessary, refer adjustment to your dealer.
READJUSTMENT PROCEDURE
1. Remove the lid for adjustment (Refer to Fig.5).
2. Refer to the table
(~12).
To display appropriate picture on screen, adjust the “H-PHASE” and the “H-SIZE” with
plastic trimmer.
3. If necessary, adjust the other
VI&
shown in the table.
4. For detail, refer to the service manual.
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