NEC Multisync Plus JC-1501VMA User manual

NEe

COLOR MONITOR MULTISVNC r

SERVICE

MANUAL

MODEL

JC-1501VMA

PARTS

NO.

599910258

Better

Service

Better

Reputation

Better

Profit

SPECIFICATIONS

A. Electrical Description

Picture

Tube

Input Signal

Display Colors

Visual inches diagonal

degree deflection,

0.31

Trio

dot pitch

Dot

type black matrix

Non·long persistence phosphor, Dark bulb, Direct

etch

Video : TTL

Level

Positive

ANALOG

0.7

or 1.0Vp·pn50 Positive

Sync. : Separate

sync.

TTL level

Horizontal

sync.

Positive/Negative

Vertical sync. Positive/Negative

: Composite

sync.

TTL

level

Positive/Negative

: Composite

sync.

Green Video

sync.

O.3Vp-p

Negative

(Video

0.7Vp-p

Positive)

sync.

0.43Vp·p Negative (Video 1.0Vp·p

Positive)

TTL Input :

8116164

colors

Analog Input : Unlimited colors

Synchronization Horizontal :

21.BKH

45kHz (Automatically)

Vertical : 56Hz to 80Hz (Automatically), Non·

interlace

Resolution Horizontal : 960 dots

Vertical :

720

lines

Video Band Width 55MHz

BNC,

30MHz on D·Sub

Maximum Display Horizontal :

260

(Active

display area

changed

Area

Vertical:

195mm

signal timing)

Misconvergence

less

than 0.6mm

Power

Supply

120V

/60Hz

Power

Consumption 120W

Dimensions 360

(W)

x 372 (H) x

410

(D)

Weight

1Bkg

Environmental Operating Temperature

O°C

+400C

Consideration Humidity 30% to 80%

Storage Temperature -

200C

+600C

Humidity 10% to 90%

NOTE: The above specifications are subject to change

without notice for further improvement.

NEe

Corporation

TOKYO,

JAPAN

Mechanical Description

(See

below diagrams)

1. Cabinet Molded plastic cabinet with attachable

tilt

swivel

base.

Dimensions

36Q(W)

372(~)

x 410(D) mm

3. Weight 18

Dimensions

I I

230mm J

360mm

Tilt

Swivel

Range

4. Controls

Input

Signal

Terminal:

Ell

E L I

235mm

410mm

10'

BRIGHTNESS CONTROL

CONTRAST CONTROL

HORIZONTAL POSITION CONTROL

HORIZONTAL SIZE CONTROL

VERTICAL POSITION CONTROL

VERTICAL SIZE CONTROL

POWER

SWITCH

D-SUB

CONNECTOR (FEMALE)

(SEE

PAGE 2

FOR

PIN ASSIGNMENTS)

BNC

CONNECTOR (FEMALE)

INPUT SWITCH

TEXT

SWITCH

TEXT

COLOR SWITCH

TTL/ANALOG

SWITCH

BNC

INPUT VOLTAGE SWITCH

COLOR SWITCH

MANUAL

SWITCH

(SEE

PAGE 3

FOR

CONNECTION ASSIGNMENTS)

-1-

ASSIGNMENTS AND SIGNAL LEVELS

D-SUB Type 9-P

@@@®CD

®®0®

MANUAL SWITCH OFF

TTL

ANALOG

PIN EGA COMPATIBLE PGC COMPATIBLE VGAlMCGA COMPATIBLE

No.

COLORS 64 COLORS

1 GROUND GROUND

eRED eRED

2 GROUND SECONDARY RED

eGREEN

3 RED PRIMARY RED

eBLUE

4 GREEN PRIMARY GREEN COMPOSITE SYNC. H. SYNC.

5 BLUE PRIMARY BLUE MODE CONTROL

SYNC.

6 INTENSITY SECONDARY GREEN RED GROUND RED GROUND

7 NO-CONNECTION SECONDARY BLUE GREEN GROUND GREEN GROUND

SYNC. H. SYNC. BLUE GROUND BLUE GROUND

SYNC.

SYNC. GROUND GROUND

MANUAL SWITCH ON

TTL

ANALOG

PIN 8 COLORS I

COLORS 64 COLORS SEPARATE COMPOSITE I SYNC. ON

No. SYNC. SYNC. GREEN

1 GROUND

eRED

2 SECONDARY

eGREEN

@HNSYNC.

-RED ON GREEN

3 RED PRIMARY

eBLUE

RED

4 GREEN PRIMARY H. SYNC.

SYNC. I

GREEN -

5 BLUE PRIMARY

SYNC.

BLUE -

6 I INTENSITY SECONDARY

-GREEN

7 SECONDARY

-BLUE GROUND

8 H. SYNC.

SYNC.

-2-

BNC

• i •

G(/SYNC.)

CONNECTOR SYNC.

GREEN

R * RED

G •

SYNC.

GREEN

B * BLUE

CS -

" " means GROUND or NON-CONNECTION

"H"

means HORIZONTAL

"V"

means VERTICAL

"H/V"

means COMPOSITE SYNC.

SIGNAL LEVEL

All signal leveles, except for those listed below, are TTL.

"."

means

O.7Vp-p

(VIDEO)

"@"

means

O.7Vp-p

(VIDEO),

O.3Vp-p

(SYNC.)

"*"

means

O.7Vp-p

or 1.0Vp-p (VIDEO)

COMPOSITE

SYNC.

*RED

*GREEN

* BLUE

SYNC.

means

O.7Vp-p

(VIDEO),

O.3Vp-p

(SYNCJ or 1.0Vp-p (VIDEO),

O.43Vp-p

(SYNC.)

-3-

TIMING CHARTS

SEPARATE SYNC.

VIDEO

HORIZONTAL

rcJ.

-I

I..B

VIDEO

VERTICAL I" a ..I

P 0

u----

___

-----=----

Sync. Polarity: Positive/Negative

COMPOSITE

SYNC.

____

r--

HORIZONTAL l"c.I.. D

____

~_~

---,L..

__________

.....J1

-viDEO

lL..

____

VERTICAL a I R I s

t--

...

•

-I

-----~

o J

Sync. Polarity: Positive/Negative

COMPOSITE

SYNC. &

VIDEO

(SYNC. ON GREEN)

HORIZONTAL

.1.,

VERTICAL

Sync. Polarity: Negative

-4-

PRESET TIMING

EGA

VGAlMCGA

720

COMPATIBLE COMPATIBLE LINES

22kHz

31.5kHz

45kHz

A,.,s 45.5 31.77 22.287

Bits

4.9 3.77 1.07

itS

1.6 1.89 3.2

o its 39 25.17

17.127

E,.,s 0 0.94 0.89

60Hz

70Hz

60Hz

OmS

16.68 14.27 14.27 16.68 16.85

0.6 0.064 0.064 0.064 0.089

0.08 1.88 1.08 1.02

0.691

R mS

11.126 12.716 15.246 16.048

0 1.2

0.41

0.35 0.022

SEPARATE SEPARATE SEPARATE SEPARATE

COMPOSITE

SYNC. SYNC. SYNC. SYNC. SYNC.

H. SYNC.

SYNC. H. SYNC.

REMARKS Positive Negative Negative

COMPOSITE

SYNC.

SYNC

& VIDEO

Negative Positive Negative . (Sync. on Green)

IBM

PC,

PC/XT,

PC/AT,

Personal System/2, MCGA, VGA, EGA and PGC are

trademark of International Business Machines Corporation.

MultiSync is a registered trademark of NEC Home Electronics (U.S.A.) Inc.

-5-

GENERAL

MultiSync PLUS The Intelligent Monitor, from

NEC,

a high resolution color mo-

nitor that automatically adjusts to graphics board scanning frequencies from

21.8

kHz to 45 kHz. MultiSync PLUS gives IBM

PC,

PC/XT,

PC/AT,

Personal Sys-

tem/2 and

compatibles users crisp text and vivid color graphics displays when

used with any of the IBM graphics adapters (the MCGA, VGA, EGA or PGC).

MultiSync PLUS can also

used with other IBM compatible graphics adapters

to provide IBM users with the widest range of color monitor compatibility and

capability available in the market place.

FEATURES

• MultiSync PLUS automatically scans all frequencies between

21.8

kHz and

45kHz.

• MultiSync PLUS is compatible with the IBM

PC,

PC/XT,

PC/AT

and look-alikes.

• MultiSync PLUS is compatible with the IBM Professional Graphic Controller,

the IBM Enhanced Graphics Adapter, the IBM Video Graphics Array, the IBM

Multi Color Graphics Array and other IBM compatible graphics adapters.

• MultiSync PLUS's wide compatibility makes it possible to upgrade boards or

software without purchasing a new monitor.

• MultiSync PLUS has a maximum horizontal resolution of960 dots and a maxi-

mum vertical resolution of 720 lines for superior clarity of display.

• MultiSync PLUS offers both TTL and ANALOG signal inputs, and in the ANA-

LOG

mode can display an unlimited palette of colors depending on the graph-

ics board and software being used.

• MultiSync PLUS features a TEXT SWITCH (TTL mode only) with a choice of

three colors (green, amber and paper white) displaying word processing, spread

sheets, databases or other software in crisp alphanumeric text

a dark-bulb

black background.

• MultiSync PLUS has a

inch diagonal display and a large

inch viewing area.

-6-

ADJUSTING THE MULTISYNC PLUS CONTROLS

Before connecting the MultiSync PLUS with the IBM personal computers

com-

patibles and the IBM graphics adapters, take time to familiarize yourself with the

switches and controls that give the MultiSync PLUS all its capabilities. Chapters

1 and 2 outline the control and switches of the MultiSync PLUS. Page

shows

you how to connect the MultiSync PLUS with your IBM personal computer and graph-

ics adapter.

ADJUSTING THE

REAR

CONTROLS

TTL ALOG

SIGNAL INPUT

TILl

ANALOG SWITCH

, BNC INPUT

VOLTAGE

SWITCH

1.0

..... I ......

GI/SYNCI

COLOR SWITCH

MANUAL SWITCH

~--~------======~====~~,

BNC CONNECTOR INPUT (ANALOG)

o SUB 9 PIN TYPE

(TIUANALOG)

-7-

oMANUAL SWITCH

This switch selects either the IBM mode when OFF or the manual mode when

ON. When this switch is

OFF,

MultiSync PLUS automatically works

the IBM

mode and adjusts itself to the scanning frequency, resolution and color require-

ments of the IBM compatible graphics adapter being used.

When this switch is ON, the user must manually select the number of colors

(8/16/64) needed by the graphics adapter being used with the COLOR SWITCH

(see

No.8

below). Refer to instructions accompanying the graphics adapter be-

ing used for information on how many colors the adapter can display.

8 COLOR SWITCH

The three color configurations (8/16/64 colors) necessary when using non-IBM

compatible graphics adapters can be set using the colorswitch as shown below.

Refer to instructions accompanying the graphics adapter being used for infor-

mation on how many colors the adapter can display.

COLOR MODE COLOR

SWITCH

8 colors 8

colors

64 colors 64

NOTE

This switch should

set correctly

relation to the input signal of the graphics

adapter being used. Refer to instructions accompanying the graphics adapter

for information

the input signal and refer to No

.•

below.

8 TTL/ANALOG SWITCH

Used to select

input video

signal-either

TTL or

ANALOG-of

the graphics

adapter.

is important to determine whether the input signal of the graphics adap-

ter being used is ANALOG or TTL prior to connecting the adapter with your the

MultiSync PLUS. Refer to instructions accompanying the graphics adapter for

information

the input signal.

oBNC INPUT

VOLTAGE

SWITCH

Used

select

input video

voltage-either

1.0Vp-p

or O.7Vp-p-of the graph-

ics adapter. Refer to instructions accompanying the graphics adapter for infor-

mation on the input video voltage.

-8-

2. ADJUSTING THE FRONT CONTROLS

• HORIZONTAL POSITION

CONTROL

VERTICAL POSITION CONTROL

HORIZONTAL SIZE CONTROL

VERTICAL SIZE CONTROL

POWER SWITCH

CONTRAST.CONTROL

• BRIGHTNESS CONTROL

POWER SWITCH

POWER INDICATOR

INPUT SWITCH

TEXT SWITCH

TEXT COLOR SWITCH

Used

turn power ON or

OFF.

When the power is

the power indicator is lit.

o BRIGHT CONTROL

Used to adjust the picture brightness of the screen.

• CONTRAST CONTROL

Adjusts the display to the contrast preferred by the

user.

-9-

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