NEC JC-1431VMB User Manual

Sumer

User Manual

VGA

NEC

-

-

-

The marketing and sales of the equipment was reported to the BZT.
(Federal Approvals

Office

for Telecommunications)
The right to retest this equipment to verify compliance with the regulation
was given to BZT.

ES MUSS SICHERGESTELLT WERDEN, DASS DIR VORGESEHENE
NETZSTECKDOSE NAHE AM GERÄT ANGEBRACHT UND
LETCHT ZUGÄNGLICH IST.

Die ergonomischen Anforderungen an Bildschirmgeräte im Bürobereich

nach

ZH1/618

werden in Verbindung mit der

Videokarte: Prisma

Graphic

Sys. VGA RT800

erfüllt. Aus ergonomischen Gründer wird empfohlen, die Grundfarben
Blau und Rot nicht auf dunklem Untergrund zu verwenden (schlechte
Lesbarkeit und erhöhte Augenbelastung bei zu geringem Zeichenkontrast

wären die Folge). Weiterhin muß sichergestellt werden,

daß

die minimale

Bildwiederholfrequenz von

76 Hz bei Positivdarstellung

und

64 Hz bei Negativdarstellung

nicht unterschritten wird (störendes Bildschirmflimmern könnte die Folge
sein).

Customer’s

Record

The serial number of this
You should note this serial number in the space provided below and retain
this manual as a permanent
tion in the event of theft or

Model number:
Serial number:

WARNING: To reduce the risk of fire or electric shock, do not expose

this Computer Display to rain or moisture.

product

record

loss.

JC-1431VMB

appears on the back of the unit.

of your purchase to aid in identifica-

Caution

For 120V Operation,
blade, grounding type plug, rated 125V
For 240V Operation,
grounding type plug, rated 250V

Bescheinigung des

Hiermit wird bescheinigt,

Monitor JC-1431VMB

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(Gerät, Typ, Bezeichnung)

In Übereinstimmung mit den Bestimmungen der

BMPT Vfg. 243/1991

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(Amtsblattverfugung)

use only with power cord plug having a parallel

10A.

use only with power cord having a tandem blade,

5A.

Herstellers/lmporteurs

daß der/die/das

.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.

.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.

.

.

. .. . . .

.

funk-entstört ist.
Dem Bundesamt fur Zulassungen in der Telekommunikation wurde
inverkehrbringen dieses Gerätes
Überprüfung der Serie auf Einhaltung der Bestimmungen eingeräumt.

Declaration

We hereby certify that the

1s

in compliance with the requirement of

RFI

Suppressed.

of the Manufacturer or Importer

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

angezeigt und die Berechtigung

Monitor JC-1431VMB

Equipment, Type, Model-No.

BMPT Vfg.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24311991

das
zur

.

.

Contents

1 NEC SVGA Monitor
2 Setting Up

Environment
Connecting the Monitor

3 Using the Monitor

Front Panel Controls

Rear Panel Controls

Tilt/Swivel
Problem Solving
Troubleshooting
Cleaning

.........................

................

...................

Power Switch
Horizontal Size Control
Vertical Size Control
Brightness Control
Contrast Control

.......................

...............

.................

...................

....................

....................

Horizontal Position Control
Vertical Position Control

Base

......................

......................

......................

..............

............................

...........

Ill

2-l
2-2

3-2
3-2

3-2
3-2
3-2
3-2

3-3
3-3

3-3
3-4

3-5
3-6
3-6

4 Reviewing Technical Data

Pin Assignments
Timing Tables

List of Tables

Troubleshooting
SVGA Monitor Specifications
Pin Assignments
Preset Timing
Preset Timing
Preset Timing

. . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . .

.....................

..........

......................

-

VGA

-

SVGA/EVGA

-

VESA VGA

.................

.........

...........

4-3
4-4

3-6

4-l
4-3
4-5

4-6

4-7

NEC SVGA

Congratulations on your purchase of the NEC
SVGA color monitor.
a maximum horizontal resolution of 1024
a maximum vertical resolution of 768

NEC’s

Monitor

SVGA Monitor offers

Pixels

Pixels.

by

Additionally, the SVGA Monitor provides
compatibility via the following features:

n

provides automatic adjustment to vertical and
horizontal frequencies including VGA, SVGA,
EVGA, and VESA VGA.

n

displays an infinite number of colors (limited by
hardware and Software applications).

n

horizontal and vertical size and

To properly set up and use your monitor, read the
sections that follow.

Position

System

controls.

Setting Up

ENVIRONMENT

The SVGA Monitor shipping
monitor, user manual and power
are missing, contact your NEC

Please save the original box and packing materials

for future transportation 0; shipment of this monitor.

Use

the following guidelines to set up your monitor:

n

Place the monitor in a dry, clean, dust-free
location.

n

Allow adequate Ventilation around the monitor
so that heat generated

n

Place the monitor away from high-capacity
transformers, electric motors. and other strong
magnetic fields.

H

To minimize eye fatigue:

-

do not place the monitor against a bright
background or where sunlight will shine
directly on it.

-

position

the monitorjust below eye level.

carton

contains the

cable.

If these items

dealer.

can

dissipate properly.

2-2 Setting Up

CONNECTING
THE MONITOR

Unplugging the

Computer

Use the following

Computer.

pur

1. Turn off and unplug the computer’s power

2. The voltage selector is located on the rear of the

steps

to connect the monitor to

Cord.

monitor. Determine the appropriate voltage,

115V

or

23OV,

and set the switch accordingly.

Se tting the

voltage

Voltage Selector

Attaching the

signal

ca ble

Setting Up 2-3

signal

3. Attach the monitor

cable to the

connector at the rear of the Computer.
Secure the connection by tightening the two

screws on either side of the

signal

cable’s

connector.

video

Signal Cable

2-4 Setting Up

Connecting the

power cable

4. Connect one end of the monitor power cable to

the rear of the monitor. Plug the other end into a

properly grounded

wall outlet.

WARNING: D
object

on the power cable. Darnage to a power cable

can cause

O not place the monitor or any other

fire or electrical

shock.

Setting Up 2-5

5. If you are setting up the Computer for the first
time, see your user manual. Otherwise, continue
with the following

step.

6. Plug in the Computer power

If you have any Problems, please refer to the
Troubleshooting section of this mannual.

cable.

3

Using the Monitor

This section defines monitor controls and explains
how to use them to your advantage.

adjust

You may
modify specific
and

contrast. Further,

proper positioning of the monitor.
The figure below

the viewing area of the

screen

qualities including brightness

the

tilt/swivel

shows

the front

screen

feature allows

panel

features.

and

Loca ting con

trols

Brightness
Control

Cordrast
Control

3-2 Using the Monitor

FRONT PANEL
CONTROLS

Power Switch

Horizontal
Size Control

Vertical
Size Control

Brightness
Control

Read the descriptions that follow to learn how to

panel

operate the front

Press this switch to control power to the monitor-.
The power indicator lights when the monitor power
is on.

This control sets the monitor’s

horizontal width. Move the control counterclockwise

to decrease the horizontal width, and clockwise to

increase the horizontal width. The size of the image

depends on the

This control sets the monitor’s

vertical height. To decrease the vertical length of
the Screen, move the control counterclockwise, to
increase it move the control clockwise. The size of
the image depends on the

Selects the degree of brightness. Move the control
counterclockwise to dim the
make the
the

on-screen

signal

screen

brighter. A brighter

glare and also affect the image quality.

controls.

screen

to the desired

applied to the monitor.

screen

to the desired

signal

applied to the monitor.

screen

and clockwise to

screen

will limit

Contrast
Control

Use the contrast control to select how dark or light
you would like the monitor’s foreground. Move the
control counterclockwise to make the
clockwise to make the
the contrast control does affect the image quality.

screen

lighter. The

screen darker,

position

of

Using the Monitor 3-3

REAR PANEL
CONTROLS

Horizontal
Position
Control

Vertical
Position
Control

Loca

ting con trols

Read the description that follows for an understand­ing of how each control operates. The figure below
locates the rear

Turn the Horizontal Position Control to

image’s horizontal Position.

Turn the Vertical Position Control to

image’s vertical Position.

panel

controls.

adjust

adjust

the

the

Vertical Position Horizontal Position

Control Control

3-4 Using the Monitor

TILT/SWIVEL

BASE

Positioning the

monitor

The tilt/swivel base allows you to tilt the

or down, and move it from side to side, 45 degrees to

the right or left.

can

You

-5 degrees forward and

reposition the monitor up to an angle of

+15

degrees backwards.

screen

up

Using the Monitor 3-5

PROBLEM
SOLVING

If you encounter a problem with the SVGA Monitor,

can

the problem may be a simple one that you
yourself. Check the items on the following list when
you encounter a

The power switch for the monitor is on.

signal

The

connected.
The monitor is connected to a working electrical

outlet. Test the outlet by plugging in a lamp or
other electrical device.

Check that the
meet the SVGA Monitor’s specifications
(see “Pin Assignments” and “Signal Timing” in
Section 4).

Use the table on the following page to trouble-

shoot your monitor.

problem:

cable and power cord are securely

signal

timing and pin assignments

solve

3-6 Using the Monitor

TROUBLE­SHOOTING

Use the troubleshooting table below to isolate any
problems
action.

If you still cannot determine the
your NEC

Troubleshooting

PROBLEM

No picture appears on

monitor Screen.
The monitor is dark, but the

power indicator is lit.
Image area is not centered.

CLEANING

the

Clean the outside of the monitor as needed. Use the
following precautions as guidelines:

n

Unplug the monitor’s power cord from the outlet

before cleaning.

and respond with the appropriate corrective

problem,

contact

dealer.

CORRECTIVE ACTION

Turn off the

30 seconds and then turn it on again.
Adjust the Brightness and Contrast

controls.

Adjust
Horizontial Position control.

the

Vertical

power switch.

Position control or

Wait at least

n

Use only a damp cloth and mild detergent.

n

DO not attempt to open the unit.

Reviewing

Technical Data

The following tables provide specifications, pin
assignments and signal timing:

SVGA Monitor Specifications

ITEM

Physical Dimensions

Height
Width
Depth
Weight

Operating Environment

Temperature
Humidity
Storage Temperatures
Storage Humidity

Power

Power Source
Power Consumption
Picture Tube

Resolution

Horizontal
Vertical

DESCRIPTION

14.4 inches (365 mm)

14.5 inches (367 mm)

15.4 inches (390 mm)

25.3 Ibs. (11.5 kg)

-32°F to 95°F (0°C to 35°C)
10% to 80% (non-condensing)

-4°F to 140°F (-20°C to 60°C)
5% to 95%

AC lOO-125V/200-24OV,
85 W Maximum

90°

14 inches,

1024

pixels

pixels

768

deflection, 0.28 mm dot pitch

(non-interlaced/interlaced)

(non-interlaced/interlaced)

50Hz/60Hz

4-2 Reviewing Technical Data

SVGA Monitor Specifications (cont’d)

ITEM

Synchronization

Horizontal
Vertical

Active

Display Area

Horizontal

Vertical

Input Signals

Video
Separate Sync.

Display Colors

Analog Input

DESCRIPTION

31.5

kHz/35.2 kHz/35.5 kHz/37.9

50 Hz to 90 Hz continuous

9.6 inches (246 mm) depends on
timing used

7.2 inches (185 mm) depends on

timing used

Analog 0.7
TTL level: Horizontal, Positive/Negative,

Infinite

or Software)

Vp-p/75

colors

ohm positive

Vertical,

(may be limited by hardware

Positive/Negative

kHz/48 kHz

signal

signal

Reviewing Technical Data 4-3

PIN

ASSIGNMENTS

Connector pin

loca tions

The

SVGA monitor uses a

l5-pin,

mini high-density
D-SUB male connector for the input Signal. The figure
below

shows

the connector pin locations. See the

table that follows for connector pin assignments.

Input Signal

Connector

Pin Assignments

PIN NUMBER

SIGNAL

.

10
11
12
13
14
15

Red
Green

Blue
Ground
Ground

R-Ground

G-Ground

8

9

B-Ground

No Connection

Ground

Ground

No Connection

Horizontal Sync.

Vertical

No Connection

Sync.

4-4 Reviewing Technical Data

TIMING
TABLES

The following diagram and tables show the preset
timing used in the monitor’s VGA, SVGA, EVGA
and VESA VGA modes.

SEPARATE SYNC.

HORIZONTAL

°° E3

d-f-

4

VERTICAL

J

VIDEO

A

VIDEO

1

\

*

Preset Timing

Reviewing Technical Data 4-5

-

VGA

ITEM 640 x 350

fH

(kHz)

A ys (Line time total)

B ys (Sync. pulse width)

C ps (Back porch)

D ps (Active)

E ps (Front

fv

(Hz)

P ms (Frame time total)

Q ms (Sync. pulse width)

R ms (Back porch)

S ms (Active)

T ms (Front porch)

Porch)

3 1.469

3 1.778

3.813 3.813

1.589 1.589

26.058 26.058

0.318 0.318

70.080 70.080

14.268 14.268 16.683

0.064 0.064 0.064

1.716

11.504 13.156

0.985 0.159 0.064

720 x 400

3 1.469 3 1.469

3 1.778

26.05

8

0.890 0.793

640 x 480

3 1.778

3.813

1.589

0.3 18

59.940

15.762

Horizontal Sync. Polarity

Vertical

Sync. Polarity

Interlaced

Separate
Sync.

Positive

Negative

No No No

Separate
Sync. Sync.

Negative Negative

Positive Negative

Separate

4-6 Reviewing Technical Data

Preset Timing

-

SVGA/EVGA

ITEM

f-I-I

(kHz)

A ys (Line tirne total)

B ps (Sync. pulse width)

C As (Back porch)

D

/_LS

(Active)

E ps (Front

fv

(Hz)

P ms (Frame time total)

Q ms (Sync. pulse width)

R ms (Back porch)

S ms (Active)

T ms (Front porch)

Porch)

800 x 600

35.156

28.44

2.000

3.556

22.222

0.667

56.250

17.778

0.057

0.626

17.067

0.028

1024x768

35.587

28.100

3.910

1.247

22.760

0.178

86.960

11.499

0.112

0.563

10.824

0.0100

Horizontal Sync. Polarity

Vertical

Interlaced

Sync. Polarity

Separate Sync

Negative

Negative

No

Separate Sync.

Positive

Positive

Yes

Reviewing Technical Data 4-7

Preset Timing- VESA Timings

ITEM 640 x 480 800 x 600

fH

(kHz)

A

l.ts

(Line time total)

B

14s

(Sync. pulse width)

C

l_ts

(Back porch)

D ps (Active)

E ps (Front

fv

(Hz)

P ms (Frame time total)

Q ms (Sync. pulse width)

R ms (Back porch)

S ms (Active)

T ms (Front porch)

Porch)

37.860 48.090 48.363

26.4 13

1.270

4.603

20.3 17

0.762

72.809 72.010

13.735

0.079 0.124 0.124

0.740

12.678

0.238

20.794

2.399 2.092

1.279

15.995

1.119

13.887

0.479

12.510

0.772

1024x768

20.677

2.462

15.754

0.369

60.000

16.667

0.600

15.880

0.062

Horizontal Sync. Polarity

Vertical

Interlaced

Sync. Polarity

Separate
Sync.

Negative

Negative

No

Separate
Sync.

Positive

Positive

No

Separate
Sync.

Positive

Positive

No