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.

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

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 :

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

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

For USA model

(CM2186A3UY)

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

POWER SWITCH

POWER INDICATOR

‘v

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

,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

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

line

(see

Fig.

3).

-a-

‘-

T i m i n g C h a r

(

Recommended Signal

)

Horizontal

T: Period

F: Front porch

1: Sync width

B: Back porch

D: Display time

Vertical

60.0

T: Period 16.67

(1065

F: Front porch

0.047

Ins

W: Sync width

0.047

IDS

II)

B: Back porch

0.547

(35

D: Display time 16.026

(1024

63.9

kHz

2.36

,uS

11.92

Sync on Green mode

Video

C&B)

Green

with Sync.

H/V Composite Sync. mode

Video

(R,

Sync.

lUUUL

e----e

F W

-> --

c-l

-- <-

----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

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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