NEC Mt830 Lcd Projector Users Manual

41
This section describes the simple maintenance procedures you should follow
to replace the lamp, clean or replace the filter, and replace the batteries in the
remote control.
Replacing The Lamp
After your lamp has been operating for 2000 hours or longer, the
ÒstatusÓ light in the cabinet will go on. Even though the lamp may still
be working, replace it at 2000 hours to maintain optimal projector
performance.
CAUTION
¥ DO NOT TOUCH THE LAMP immediately after it has been used. It will
be extremely hot....

42
Cleaning Or Replacing The Filter
The air-filter sponge keeps the inside of the MultiSync MT830/1030 LCD Projector free from dust or
dirt and should be cleaned after every 100 hours of operation (more often in dusty conditions). If the
filter is dirty or clogged, your projector may overheat.
NOTE:  Clean your filter after every 100 hours of operation.
CAUTION
¥ Turn off the main power and unplug the projector before replacing the filter.
¥ Only clean the outside of the filter cover with a vacuum...

43
Etape 1A
Etape 1B
Etape 2
Etape 3
Etape 4
Etape 5
MAINTENANCE
83
84
Cette section dŽcrit les procŽdures simples dÕentretien que vous aurez ˆ suivre pour
remplacer la lampe, nettoyer ou remplacer le filtre et remplacer les piles de la tŽlŽcommande.
Remplacement de la lampe
Lorsque la lampe a ŽtŽ utilisŽe pendant 2000 heures ou plus, le voyant ÒStatusÓ (Žtat) du

2000 heures pour conserver une performance optimale de votre projecteur.
PRECAUTIO N
¥

chaude. Laissez-la refoidir pendant au moins une heure...

44MAINTENANCE
85
86
Nettoyage ou remplacement du filtre
Le coussin Žponge du filtre ˆ air maintient lÕintŽrieur du projecteur ˆ affichage ˆ cristaux liquides

dÕutilisation (plus souvent dans les endroits poussiŽreux). Si le filtre est sale ou bouchŽ, le projecteur
risque de surchauffer.
REMARQUE: Nettoyez le filtre toutes les 100 heures dÕutilisation.
PRECAUTION
¥ Couez lÕalimentation et dŽranchez le projecteur avant de remplacer le filtre.
¥ Nettoyez uniquement le couvercle extŽrieur du filtre avec un...

45
This section helps you resolve problems you may encounter while setting up or using your MultiSync MT830/1030 LCD Projector.
Status Light Messages
TROUBLESHOOTING 5
TROUBLE SHOOTING
87
88 Status
mNormal
mThe projector lamp has exceeded 2000 hours of operation and
should be replaced.
mEither the lamp cover or filter cover is not fastened properly. Check
each and reattach them if necessary.
mThe cooling fan has stopped. Contact your NEC dealer for service.
mThe lamp is not turned on.
¥ The projector was...

46
Common Problems & Solutions
Problem
Does not turn on
No picture
Image isnÕt square to the screen
Picture is blurred
Image is scrolling vertically,
horizontally or both
Remote control does not work
Check These Items
¥ Check that the cord is plugged in and that the power switch on the front panel is on.
¥ Ensure that the filter cover is installed correctly. (See page 82.)
¥ Check to see if the projector has overheated or the lamp usage exceeds 2100 hours. If there is insufficient ventilation around the...

47
This section provides technical information about the MultiSync MT830/1030 LCD Projectors performance.
Optical
LCD Panel
1.3, p-Si TFT active-matrix, 8002600 dot (MT830) / 10242768 dot (MT1030)
Lens Power zoom, power focus
F 2.5 f =52 Ð 68 mm
Lamp New short arc high pressure lamp 150 W
(Guaranteed life span: 2,000 hours or
6 months from date of purchase,
whichever comes first.)
Image Size 20-300 inches diagonal
Projection Distance 3.28 Ð 40.03 ft (1.0 Ð 12.2 m)
Light Output 1000 ANSI lumens (MT830) /...

48
11.4
(290)
14.9
(378.0)
15.6
(396.0)
MENU
SELECT
ENTER
ZOOM FOCUSON/OFF STATUS
POWER
–
+
–
+
–
+
PC CONTROL MOUSE OUTPU
T
RGB   INPUT   2
AUDIO RGB   INPUT   1AUDIO RGB MONITOR OUTPUT
R L/MONO INPUT    AUDIO S–VIDEO
R L/MONO
INPUT    AUDIO VIDEO
Cabinet Dimensions
Unit : inch (mm)
SPECIFICATIONS
93
94
7
(178.5)
13.1
(332)
3.63
(92.2)
5.8
(148.0)
UTPUTREMOTE
CONTROL
INPUT
AUDIO2
AC IN 

49
D-Sub Pin Assignments
      PC 15-Pin mini D-Sub
1 2
3 4
5
11 12 13
14 15
6
7 8 9
10
  PC 15-Pin mini D-Sub
SPECIFICATIONS
95
96
Pin No. Signal to be connected
1 Red
2 Green
3 Blue
4 GND
5 GND
6 Red GND
7 Green GND
8 Blue GND
9 No Connection
10 Digital GND
11 GND
12 No Connection
13 Horizontal Sync
14 Vertical Sync
15 No Connection 

50
Timing Chart
Y/N Signal Resolution Refresh F.H. Dot
Rate (Hz) (kHz) Clk(MHz)
Y NTSC 6402480 60 15.734 -
Y PAL 7682576 50 15.625 -
Y SECAM 7682576 50 15.625 -
Y VESA 6402350 85.08 37.86 31.5
Y IBM 6402400 70 31.47 25.175
Y VESA 6402400 85.08 37.86 31.5
Y MAC 6402400 66 35 30.24
Y VESA 6402480 59.94 31.47 25.175
Y IBM 6402480 60 31.47 25.175
Y MAC 6402480 60 31.47 25.175
Y MAC 6402480 66.7 34.97 31.334
Y MAC 6402480 66.67 35 30.24
Y VESA 6402480 72.81 37.86 31.5
Y VESA 6402480 75 37.5 31.5
Y IBM 6402480...