NEC Mt1055 Lcd Projector Users Manual

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Cleaning or Replacing the Filters
The air-filter sponge keeps the inside of the MultiSync MT1055/MT1050/
MT850 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.
CAUTION
¥ Turn off the power and unplug the projector before replacing the filter.
¥ Only clean the outside of the filter cover with a vacuum cleaner.
¥ Do not attempt to operate the projector without a...

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5. TROUBLESHOOTING
This section helps you resolve problems you may encounter while setting up or using the projector.
Standby
Cooling down
Lamp in High-Bright mode
Lamp in Eco mode
3 minutes after lamp is turned on in
Eco mode
Lamp has reached its end of life
(1500 hours or over)
Lamp life has reached its end of life
(1600 hours or over)
Lamp or filter cover error (3 locations)
Temperature error
Fan error
Lamp error
Power/ Status Light Messages
Common Problems & Solutions
Condition
Does not turn...

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¥ Is ÒPC Card ViewerÓ selected from the Source menu?
¥ Is the PC card seated in the PC CARD slot completely?
¥ Are slide data stored in the PC card?
¥ Have the contents of the PC card been destroyed?
¥ While an image with over 10242768 dots (MT850: 8002600 dots) is projected, several lines of information
will be lost. Use the supplied software change the image to 10242768 dots in size.
¥ Use a computer, etc., to repair the data.
Condition Status
When using the PC Card Viewer function
For more...

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6. SPECIFICATIONS
This section provides technical information about the MultiSync MT1055/MT1050/MT850  ProjectorÕs performance.
Model Number MT1055/MT1050/MT850
Optical
LCD Panel 1.3Ó p-Si TFT active-matrix, 8002600 dots (MT850) / 10242768 dots (MT1055/MT1050)
1.3Ó p-Si TFT active-matrix with Micro Lens Array (MT1055)
Lens Manual zoom, manual focus
MT1050/MT850 : F2.3 Ð 2.7    f=48.6 Ð 58.4 mm
MT1055 : F1.8 Ð 2.2    f=49.3 Ð 59.3 mm
Lamp 200W NSH lamp (160W in Eco mode)
The lamp, under normal...

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Cabinet Dimensions
Unit = mm (inch)
MT1055
MENU
ENTERCANCEL
SELECT
POWER STATUS
ON
/STAND BY
SOURCE AUTO  ADJUST
AC IN
USB
S-VIDEO
VIDEO AUDIO RGB INPUT 2 AUDIO RGB INPUT 1
L
/MONO
R
PC-CARD
AUDIORGB MONITOR
OUTPUT
1.5(0.06)
281(11.06)
 73.5
(2.89)121 (4.76)
 4
(0.16)7.5 (0.3)
39.5
(1.56)
376 (14.9)
PC CONTROLMOUSE
OUTPUTREMOTE
CONTROL
INPUT
Lens center
Lens center 

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Unit = mm (inch)
MT1050/MT850
MENU
ENTERCANCEL
SELECT
POWER STATUS
SOURCE AUTO  ADJUST
AC IN
USB
S-VIDEO
VIDEO AUDIO RGB INPUT 2 AUDIO RGB INPUT 1
L
/MONO
R
AUDIORGB MONITOR
OUTPUT
1.5 (0.06)
281 (11.06)
 73.5 (2.89) 121 (4.76)
4
(0.16)6.6
(0.26)364 (14.33)
39.5
(1.56)
ON/STAND BYPC CONTROLMOUSE
OUTPUTREMOTE
CONTROL
INPUT
Lens center
Lens center 

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D-Sub Pin Assignments
Mini D-Sub 15 Pin Connector
Pin No. RGB Signal (Analog) YCbCr Signal
1 Red Cr
2 Green or Sync on Green Y
3Blue Cb
4 Ground
5 Ground
6 Red Ground Cr Ground
7 Green Ground Y Ground
8 Blue Ground Cb Ground
9 No Connection
10 Sync Signal Ground
11 Ground
12 Bi-directional DATA (SDA)*
13 Horizontal Sync or Composite Sync
14 Vertical Sync
15 Data Clock*Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level
* RGB Input 1 only
51423
10
11 12 13 14 156 978 

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Timing Chart
Y / N Signal Resolution Frequency H. Refresh Rate Dot Clock
( Dots ) ( kHz ) ( Hz ) ( MHz )
Y NTSC 6402480 15.734 60 -
Y PAL 7682576 15.625 50 -
Y SECAM 7682576 15.625 50 -
Y VESA 6402480 31.47 59.94 25.175
Y IBM 6402480 31.47 60 25.175
Y MAC 6402480 31.47 60 25.175
Y MAC 6402480 34.97 66.67 31.334
Y MAC 6402480 35 66.67 30.24
Y VESA 6402480 37.86 72.81 31.5
Y VESA 6402480 37.5 75 31.5
Y IBM 6402480 39.375 75 31.49
Y VESA 6402480 43.269 85.01 36
Y IBM 7202350 31.469 70.09 28.322
Y...

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1 2 54 36
7 8
PC Control Codes
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT RGB 1 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT RGB 2 02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
INPUT SELECT PC CARD VIEWER02H 03H 00H 00H 02H 01H 1FH 27H
PICTURE MUTE ON 02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H
SOUND MUTE ON 02H 12H 00H 00H 00H 14H...

Printed in Japan
7N8P0161