NEC FP1350 - MultiSync - 22" CRT Display Manuale utente

COLOR MONITOR MultiSync



FP1350

MODEL FP1350-1 (B)

NEC Corporation

200007

08109312

SERVICE MANUAL

PART NO. 599910516

WARNING

The SERVICE PERSONNEL should have the appropriate technical training, knowledge and

experience necessary to:

•Be familiar with specialized test equipment, and

•Be careful to follow all safety procedures associated with high voltage CRT circuit designs to

minimize danger to themselves and their coworkers.

To avoid electrical shocks, this equipment should be used with an appropriate power code and be

connected only to a properly grounded AC outlet.

This equipment utilized a micro-gap power switch. Turn off the set by first pushing the front panel

power switch. Next, remove the power cord from the AC outlet.

To prevent fire or shock hazards, do not expose this unit to rain or moisture.

This symbol warns the personnel that un-insulated voltage within the unit may have sufficient

magnitude to cause electric shock.

This symbol alerts the personnel that important literature concerning the operation and

maintenance of this unit has been included.

Therefore, it should be read carefully in order to avoid any problems.

PRODUCT SAFETY CAUTION

1. When parts replacement is required for servicing, always use the manufacturer's specified replacement.

2. Comply with all caution and safety-related notes on the product display chassis and picture tube.

3. When replacing the component, always be certain that all the components are put back in the place.

4. When servicing display monitor unit, it is required that the provided lead dress is used in the high voltage

circuit area.

5. It is also recommended that shatter proof goggles are worn, when removing installing and handling the

picture tube. People not equipped with the proper precautionary measures mentioned should keep the

picture tube away from body while handling.

6. As for a connector, pick and extract housing with fingers properly since a disconnection and improper

contacts may occur, when wires of the connector are led.

7. Use a proper screwdriver. If you use screwdriver that does not fit, you may damage the screws.

8. X-radiation precaution

This product contains critical electrical and mechanical parts essential for X-ray protection.

Normal anode voltage is 27.0 kV at zero beam picture tube current under AC 100-120V/220-240V input,

and anode voltage must not exceed the voltages shown below under any operation condition.

To measure anode voltage set brightness for very dim picture, and use a high impedance volt meter

between chassis and anode lead and measure high voltage.

If high voltage exceeds the specifications on the chassis schematic diagram, take the necessary

corrective action.

Table MAXIMUM ANODE VOLTAGE

beam current at 0 mA at 0.7 mA at 1.4 mA

A/B/R 34.5 kV 32.5 kV 32.3 kV

9. When you degauss the set with an external degaussing coil, you must keep strictly item “ * Notes about

degaussing method ” of ADJUSTMENT PROCEDURES.

CONTENTS

Page No.

SPECIFICATIONS ................................................................................................. 1-1

USER'S MANUAL .................................................................................................. 2-1

SERIAL NUMBER INFORMATION ....................................................................... 3-1

ASSEMBLY ............................................................................................................ 4-1

ADJUSTMENT PROCEDURES ............................................................................ 5-1

INSPECTION ......................................................................................................... 6-1

TROUBLE SHOOTING .......................................................................................... 7-1

CIRCUIT DESCRIPTION ....................................................................................... 8-1

REPLACEMENT PARTS LIST .............................................................................. 9-1

BLOCK DIAGRAMS ............................................................................................ 10-1

SCHEMATIC DIAGRAMS ........................ It is distributed separately by the paper.

1-1

SPECIFICATION

Monitor Specifications MultiSyncFP1350TM Monitor Notes

Picture Tube Diagonal:

ViewableImageSize:

Radius:

55.3 cm / 22 inch

50.8 cm / 20 inch

57800 mm

90°deflection, 0.25 - 0.27 mm

(variable) grille pitch, Medium-Short

persistence phosphor, aperture grille

CRT, multi-layered, anti-static screen

coating, semi-dark-tint screen, and

OptiClearscreen surface.

Input Signal Video:

Sync: ANALOG 0.7 Vp-p/75 Ohms

Separate sync. TTL Level

Horizontal sync. Positive/Negative

Vertical sync. Positive/Negative

Composite sync. (Positive/Negative) (TTL Level)

Sync on Green video (Positive) 0.7 Vp-p and sync.

(Negative) 0.3 Vp-p

Display Colors Analog input: Unlimited number of Colors Depends on display card used.

Synchronization Horizontal:

Range Vertical: 31 kHz to 115 kHz

55 Hz to 160 Hz Automatically

Automatically

Resolutions Supported

Resolution based on horizontal

and vertical frequencies only

640 x 480 @ 60 to 160 Hz

800 x 600 @ 55 to 160 Hz

832 x 624 @ 55 to 160 Hz

1024 x 768 @ 55 to 143 Hz

1152 x 870 @ 55 to 125 Hz

1280 x 1024 @ 55 to 107 Hz

1600 x 1200 @ 55 to 92 Hz ..…....

1792 x 1344 @ 55 to 81 Hz

1800 x 1440 @ 55 to 76 Hz

1856 x 1392 @ 55 to 78 Hz

1920 x 1440 @ 55 to 76 Hz

Some systems may not support

all modes listed.

NEC cites recommended resolution

a 85 Hz for optimal display

performance

Active Display Area Horizontal:

(Factory Setting) Vertical: 396 mm

297 mm Dependent upon signal timing used,

and does not include border area.

Active Display Area

(Full Scan) 406 mm

305 mm Dependent upon signal timing used,

and does not include border area.

Power Supply AC 100 - 120 V / 220 - 240 V, 50/60 Hz

Current Rating 2.3A @ 100 - 120 V / 1.0A@ 220-240 V

Dimensions 483 mm (W) x 501 mm (H) x 472 mm (D)

Weight 34.0 kg

Environmental Considerations

Operating Temperature:

Humidity:

Altitude:

Storage Temperature:

Humidity:

Altitude:

10°C to + 35°C

30% to 80%

0 to 3000 m

-20°C to + 60°C

10% to 90%

0 to 13700 m

NOTE: Technical specifications are subject to change without notice.

2-1

USER'S MANUAL

Only the point is mentioned

Contents

FP Series monitor box* should contain the following:

• MultiSync FP Series Monitor with tilt/swivel base

MultiSync FP950™(JC-1946UMW) or

MultiSync FP1350™(JC-2241UMW)

• Power Cord

• Signal Cable

• USB Cable

• Monitor Control Software

• User’s Manual

*Remember to save your original box and packing material to transport or ship the monitor.

2-2

Quick Start

To attach the MultiSync®FP Series monitor to your system,follow these instructions:

1. Turn off the power to your computer and MultiSync monitor.

If you are using the signal cable, continue to Step 2.

If you are using a BNC cable, please skip to Step 3.

NOTE: BNC cables may be purchased at your local electronics store.

2. For the PC: Connect one end of the 15-pin mini D-SUB signal cable to the connector of the display card in

your system (Figure A.1) and the other end to the back of the monitor (Figure A.2). Tighten all screws.

Proceed to Step 4.

For the Mac: Connect the Macintosh cable adapter to the computer (Figure B.1). Attach one end of the 15-pin

mini D-SUB signal cable to the Macintosh cable adapter (Figure B.1) and the other end to the back of the

monitor (Figure B.2). Tighten all screws.

Proceed to Step 4.

3. Connect the BNC cable to the appropriate connectors on the back of the monitor. Connect the red BNC cable

to the BNC connector on the monitor labeled R, the green BNC cable to the BNC connector labeled G (/Sync),

the blue BNC cable to the BNC connector labeled B. If you have a fourth BNC connector (Composite Sync),

connect it to the BNC connector on the monitor labeled HS/CS. If you have a fifth BNC connector (Vertical

Sync), connect it to the BNC connector on the monitor labeled VS (Figure C.1).

NOTE: Incorrect cable connections may result in irregular operation or damage display components.

2-3

4. Connect one end of the power cord to the MultiSync®FP Series monitor and the other end to the power outlet

(Figure D.1).

5. Turn on the monitor (Figure E.1) and the computer.

6. The Factory Setting for your monitor is set for D-SUB installation. If you are using a BNC cable connection,

push the BNC/D-SUB button on the front of the monitor (Figure E.1) to switch settings.

NOTE: If you have any problems, please refer to the Troubleshooting section of this User’s Manual.

2-4

If your computer is equipped with USB and uses the Windows®98 operating system and you want to operate the

monitor’s user controls using your system, you can install USB support by using the following procedure. To

attach the USB port on your MultiSync FP Series monitor to a USB port on your system:

1. Using the supplied USB cable, connect the USB Series B connector end to the USB upstream port on the

monitor (Figure 1).

2. Connect the other end of the supplied cable to the USB downstream port on the computer (or to a USB Hub

attached to the computer) (Figure 1).

3. Install the supplied Monitor Control Software.

2-5

Controls

OSMTM (On-Screen Manager) control buttons on the front of the monitor function as follows:

Main Menu Sub-Menu

EXIT Exits the OSM menu. Exits to the OSM controls main menu.

CONTROL

Moves the highlighted area up/down to

select one of the controls. Moves the highlighted area up/down to

select one of the controls.

CONTROL

Moves the highlighted area left/right to

select one of the controls. Moves the bar in the - or + direction to

decrease or increase the adjustment.

PROCEED Has no function. Only executes control or enters sub, sub-

menu.

RESET Resets all the controls within the

highlighted menu to the factory setting. Resets the highlighted control to the

factory setting.

NOTE : When RESET is pressed in the main and sub-menu, a warning window will appear allowing

you to cancel the reset function.

When OSM controls are activated, icons are displayed at the top of the menu.

If an arrow ( ) is displayed in a sub-menu, it indicates further choices are available. To enter a sub,

sub-menu, press PROCEED.

Brightness/Contrast Controls

Brightness : Adjusts the overall image and background screen brightness.

Contrast : Adjusts the image brightness in relation to the background.

Degauss : Eliminates the buildup of stray magnetic fields which alter the correct scan of the electron

beams and affect the purity of the screen colors, focus, and convergence. When activated, your

screen image will jump and waver a bit as the screen is demagnetized.

Caution : Please allow a minimum of 20 minutes to elapse between uses of the Degauss

Control.

Size and Position Controls

Auto Adjust : Automatically adjusts the horizontal and vertical size and position settings for applicable

signal timings.

Left/Right : Moves the image horizontally (left or right).

Down/Up : Moves the image vertically (up or down).

Narrow/Wide : Decreases or increases the horizontal size of the image.

Short/Tall : Decreases or increases the vertical size of the image.

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