NEC MultiSync 4FGe Manuale utente

MODELS JC-1531

VMA-2(H),

(N), (NT), (T)

JC-1531VMB-2 (H), (N), (NT), (T)

JC-1531VMB-2(EE)(H), (EE)(N), (EE)(NT), (EE)(T)

COLOR MONITOR

MultiSync

4FGe

JC-1531 VMR-2(H), (N)

SERVICE

MANUAL

PART NO. 599910363

Better Service

Better Reputation

Better Profit

SPECIFICATIONS

Electrical Description

Picture

Tube

Input

Signal

15” Flat Square CRT, 1200 mm radius

90 degree deflection, 0.28 mm dot pitch

Dot type black matrix, Medium-short persistence

phosphor, Dark bulb, High contrast, Anti-static coating,

lnvar shadow mask.

Video

Analog 0.7 Vpp 75R Positive

Sync

Separate sync

TTL

Level

Horizontal sync Positive/Negative

Vertical sync

Positive/Negative

Composite sync

TTL

Level

Positive/Negative

Composite sync on green Video

sync 0.3

Vp-p

Negative

(Video 0.7 Vpp Positive)

Display

Colors Analog Input

Unlimited colors (Depends on the

graphics Board)

Synchronization Horizontal

kHz

to 62

kHz

(Automatically)

Vertical

Hz to 90 Hz (Automatically)

Resolution

Horizontal

1024 dots

Vertical

768 dots (non-interlaced)

Video Band Width 80 MHz

Active Display Area Horizontal

260 mm

Active

display area is changed

Vertical

: 195 mm

by signal

timing

Active Display Area Horizontal

280 mm

(

Fullscan

Vertical

210mm

Miconvergence Less than 0.5 mm around perimeter less than 0.3

mm at center.

Power Supply JC-1531 VMA-2

120V,60Hz

JC-1531 VMB-2/VMR-2

AC 220

50 Hz

Current

Rating

JC-1531VMA-2 1.8 A

JC-1531VMB-2/JC-1531VMB-2(EE)NMR-2

Environmental

Operating Temperature

0°C

+35°C

Considerations

Humidity 30% to 80%

Storage Temperature -20°C to +6O°C

Humidity 10% to 90%

NOTE: The above specifications are subject to change without notice for

further improvement.

NEC Corporation

TOKYO. JAPAN

Introduction to the MultiSync 4FGe color monitor

The MultiSync 4FGe monitor allows you to “plug and play”; the MultiSync technology provides you with automatic

compatibility with multiple operating platforms and a vast array of graphics standards allowing resolution upgrades

without upgrading the monitor.

The larger

15”,

high contrast, flatter screen offers improved clarity and enhanced color and image quality.

ColorControl allows you to adjust the colors on your screen to exactly what you want. Thus eliminating

misrepresentations and frustration.

The MultiSync 4FGe monitor strictly follows

ErgoDesign

guidelines.

ErgoDesign

describes a philosophy governing

the design of the MultiSync monitors. The goal of

ErgoDesign

is to maximize the comfort and productivity of the end

user.

Feature Highlights

Multiple Frequency Technology

The Multiple Frequency Technology automatically adjust the monitor to the video card’s scanning frequency thus

displaying the resolution you require. The MultiSync 4FGe also supports multiple operating platforms including IBM

compatible and Macintosh family systems.

Increased resolution adds to the image clarity, and the MultiSync 4FGe monitor provides a wider range of higher

resolution to meet your needs for now and in the future.

A wide Range of Graphics Standards is displayable by the MultiSync 4FGe monitor including:

VGA at 640x480 l

60,72

and 75 Hz

Super VGA at

800x600-60

and 72 Hz

MAC II and Quadra at

640x480-67

MAC II and Quadra at 832x624 l 75Hz

8514/A and XGA at 1024x768 Interlaced

XGA-2 up to 1024 x 768

1024x768 Non-Interlaced 70, 72 and 76 Hz

Screen Technology

A High Contrast Tube with a 0.28 mm dot pitch increases the clarity and displays greater detail. Good clarity allows

your eyes to flow over the screen image and more easily absorb the information.

The Flatter Screen of the MultiSync 4FGe monitor reduces distortion of your image.

Increased Brightness provides higher contrast and more vivid colors.

Mechanical Description

1. Cabinet Molded plastic cabinet with tilt swivel base.

2. Dimensions

372 (W) X

396

(H) X 414 (D) mm

372mm

3. Tilt Swivel Range

4. Weight

17.8 kg

Controls Power Switch

Brightness Control

Contrast Control

Color Switch

Sync Switch

H Size Increase, H Size Decrease

H Position Left, H Position right

V Size Increase, V Size Decrease

V Position Up, V Position Down

Memory Recall Button

Mode Status LED

Degauss Switch

6. Input Signal Terminal Mini D-SUB 15P Connector (MALE)

D-SUB

15P

Connector (MALE)

(See page 3 for Pin Assignments Table)

Pin Assignment Table

D-SUB INPUT

VGA, 8514/A

XGA Macintosh with Adapter

Pin No.

Mini D-Sub 15P

D-SUB 15P

RED

GROUND

GREEN

RED

BLUE H/V

COMP SYNC

GROUND GROUND

SELF TEST

GREEN.

GROUND GROUND

GROUND

BLUE

GROUND NC

GROUND

RESERVED

__~..~

H SYNC GROUND

V SYNC GROUND

--__

NC NC

MINI D-SUB

15P

D-SUB 15P

Timing Charts

Separate Sync

Vertical

.t J

Composite Sync

Horizontal

Vertical

uulr

_________

THE METHOD FOR REMOVING THE TILT SWIVEL BASE

Spindle Revolving

Screw “a”

with Washer

FRONT

Turn the monitor CRT face down as

shown. (Top VIEW)

Remove the screw “a” with washer,

then remove the revolving stand from

the display.

Move the revolving stand so that the

“FRONT’ mark is aligned with the

cabinet side.

The removable parts consist of a dis-

play, revolving stand, spindle revolv-

ing, and screw “a” with washer as

shown.

Revolving stand

DISASSEMBLY

Cabinet Back

Turn the monitor CRT face down as

shown. (Top VIEW)

Cabinet Bottom

Signal Cable

Cabinet Front

Screw

“d”

Remove the three screws “b”.

Remove the CABINET BACK.

3. Place the monitor on its base as

shown.

Remove the four screws

“c”

from the

case, shielding (CRT), and remove

the case, shielding (CRT).

“c”

Remove the four screws

“c”

and re-

move the four screws

“d”

from the

case, shielding (BACK).

Remove the case, shielding (BACK)

and case, shielding (TOP).

5. Disconnect the connectors “CN-J”,

“CN-L”,

“CN-C”, “CN-IN” and “CN-A”.

(from VIDEO PWB ASSY)

Disconnect the connectors “CN-B”,

“CN-HC”, “CN-R”, “CN-G” and

“CN-

M”.(from

CRT PWB ASSY)

Remove the three screws

“c”.

Remove the screw

“e”.

Remove the VIDEO PWB ASSY. (with

VIDEO BRACKET)

Screw

“c”

Screw

“e”

Remove the four screws “c”.

Remove the two screws

“f”.

Remove the screw “k”.

Remove the BRACKET (L).

Screw “f”

Screw

“e

BRACKET

(L)

Screw

“k”

Screw

“c”

rew

“f”

7. Disconnect the connectors “CN-SW”,

“CN-Z”, “CN-D/C” and “CN-K”. (from

the SW REG UNIT)

Remove the screw

“f”.

Remove the screw

“k”.

Remove the two screws “d”.

Remove the SW REG BRACKET (R)

ASSY. (with SW REG UNIT)

Screw

“k”

8. Turn the monitor CRT face down as

shown.

Remove the two screws “d”.

Remove the Anode cap from CRT.

Disconnect the CRT PWB ASSY.

Disconnect the connectors “CN-E”,

“CN-F”, “CN-VDY”, “CN-HDY” and

“CN-K”.

NOTE:

Carefully discharge the CRT anode

cap by shorting it to ground before

removing the anode cap.

Remove the three screws

“g”.

Remove the MAIN PWB ASSY.

Screw

“g”

BRACKET (BOTTOM)

10.

Screw

“k”

Screw

“i”

Remove the three screws “k”.

Remove the screw “e”.

Remove the screw

"i".

Remove the BRACKET (BOTTOM).

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