NEC VT540 User Manual - Page 33

E–33

4. MAINTENANCE

This section describes the simple maintenance procedures you should

follow to replace the lamp, clean the filter, and replace the batteries

in the remote control.

Replacing the Lamp

After your lamp has been operating for 2000 hours (up to 3000 hours

in Eco mode) or longer, the “Status” light in the cabinet will go on

and the message will appear. Even though the lamp may still be work-

ing, replace it at 2000 (up to 3000 hours in Eco mode) hours to main-

tain optimal projector performance.

CAUTION

•

DO NOT TOUCH THE LAMP immediately after it has been

used. It will be extremely hot. Turn the projector off, wait a

full minute, and then disconnect the power cable. Allow at

least one hour for the lamp to cool before handling.

•

DO NOT REMOVE ANY SCREWS except the lamp cover

screw and three lamp case screws. You could receive an elec-

tric shock.

•

The projector will turn off and go into stand by mode after 2100

(up to 3150 hours in Eco mode) hours of service. If this happens,

be sure to replace the lamp. If you continue to use the lamp after

2000 hours (up to 3150 hours in Eco mode) of use, the lamp bulb

may shatter, and pieces of glass may be scattered in the lamp

case. Do not touch them as the pieces of glass may cause injury.

If this happens, contact your NEC dealer for lamp replacement.

To replace the lamp:

1.

Loosen the lamp cover screw until the screwdriver goes into a

freewheeling condition and remove the lamp cover. The lamp cover

screw is not removable.

M

E

N

T

E

R

C

A

N

C

E

L

SELECT

POWER

STATUS

ON

/

OFF

SOURC

1

M

E

N

T

E

R

C

A

N

C

E

L

SELECT

POWER

STATUS

O

SOURC

2

2.

Loosen the two screws securing the lamp housing until the screw-

driver goes into a freewheeling condition. The two screws are not

removable.

Remove the lamp housing by pulling out the handle.

NOTE:

There is an interlock on this case to prevent the risk of

electrical shock. Do not attempt to circumvent this interlock.

M

E

N

U

E

N

T

E

R

C

A

N

C

E

L

SELECT

POWER

STATUS

ON

/

OFF

SOURCE

AUTO ADJUST

1

M

E

N

U

E

N

T

E

R

C

A

N

C

E

L

SELECT

POWER

STATUS

SOURCE

AUTO ADJUST

2

3.

Insert a new lamp housing until the lamp housing is plugged into

the socket.

CAUTION:

Do not use a lamp other than the NEC replace-

ment lamp (VT40LP).

Order this from your NEC dealer.

Secure it in place with the two screws.

Be sure to tighten the screws.

M

E

N

U

E

N

T

E

R

C

A

N

C

E

L

SELECT

POWER

STATUS

ON

/

OFF

SOURCE

AUTO ADJUST

1

M

E

N

U

E

N

T

E

R

C

A

N

C

E

L

SELECT

POWER

STATUS

SOURCE

AUTO ADJUST

2

4.

Reattach the lamp cover.

Tighten the lamp cover screw.

Be sure to tighten the screw.

1

M

E

N

U

E

N

T

E

R

C

A

N

C

E

L

SELECT

POWER

STATUS

ON

/

OFF

SOURCE

AUTO ADJUST

7

M

E

E

N

T

E

R

C

A

N

C

E

L

SELECT

POWER

STATUS

ON

/

OFF

SOURCE

3

2

5. After you install a new lamp, select [Advanced Menu]

→

[Setup]

→

[Page 3]

→

[Clear Lamp Hour Meter] to reset the lamp

usage hours.

NOTE:

When the lamp exceeds 2100 hours (up to 3150 hours in Eco

mode) of service, the projector cannot turn on and the menu is not

displayed. If this happens, press the Help button on the remote con-

trol for a minimum of 10 seconds while in standby mode. When the

lamp time clock is reset to zero, the STATUS indicator goes out.

Interlock

NEC VT540 User Manual - Page 33

Maintenance - filter cover

Page 33 highlights