Mitsubishi Sl1u Projector User Manual

EN – 21
ENGLISH
The lamp is designed to project the image on the LCD
panels. When the lamp no longer functions, replace it
with a new one.
Caution:
•Do not remove the lamp immediately after turning
off the lamp of the projector, you may get burned
because of the high temperature of the lamp.
•For lamp replacement, press the power button to
power off, then wait for 60 seconds in stand-by mode
to allow the lamp and LCD panels to cool. Then turn
off  the main switch,  unplug the power cord from
the outlet,...

EN – 22
Maintenance
Caution:
Be sure to turn off the projector and unplug the power
cord from the wall outlet before you perform any main-
tenance on the projector.
Cleaning the air-filter
Clean the air-filter frequently. If the filter or ventilation
grille become clogged with dirt or dust, the temperature
inside the projector may rise and shut off the power (the
TEMP indicator starts to blink red).
1. To remove the filter cover, press the
ridged area gently, push the cover in the
direction of the arrow...

EN – 23
ENGLISH
Troubleshooting
The following offers solutions to some of the common problems you may encounter. We suggest that you consult
this chart before contacting your dealer.
CAUSE
•The air inlet grille, outlet grille  or air filter is
clogged with dust or some objects.
POWER indicator does not light up.
•Power cord is unplugged from the outlet.
•Power cord is disconnected from the projector.
•The main switch is turned off.
•The lamp lid is open.
POWER indicator blinks red.
•The projector has...

EN – 24
Indicators
The projector has three LED Indicators which shows the working condition of the projector.
The following offers solutions to possible problems. If a problem persists, turn the projector off and consult your
dealer.
Normal condition
Abnormal condition
Steady 
red
Steady 
green
Steady 
greenBlinking
green
Steady 
green
POWER LAMP TEMPCONDITION Notes
The POWER is ON. (Normal condition) Lamp stand-by (about for 1 minute) The power button cannot be used to switch
ON and OFF Stand-by
Off...

EN – 25
ENGLISH
Specifications
LCD projector
SL1U
AC100V - 240V,  50 / 60Hz
2.3 A
0.7-inch LCD panel: 3 pieces (for R, G, B)
Pixels 800 × 600 = 480,000 pixels
Total 1,440,000 pixels
Active pixel rate: 99.99 % or more (each panel)
16,770,000 colors
F 1.9 - 2.2      f = 27.0 mm - 32.0 mm
150 W NSH
30 inch - 300 inch (aspect ratio 4:3)
Resolution : 640 × 400 - 800 × 600 + Compressed 1024 × 768
Sync on Green available
NTSC / NTSC 4.43 / PAL (including PAL-M, N) / SECAM, PAL-60
DVD (Component) / HDTV (1080i)...

EN – 26
Specifications (continued)
Connectors
PC analog RGB input
Use to input video signals (analog
RGB) of a personal computer.
(Pin assignment of Mini D-SUB 15P jack)
PIN NO. SPEC PIN NO. SPEC
1 R(RED)/CR9–
2G(GREEN)/Y10 GROUND
3B(BLUE)/CB11 GROUND
4 GROUND 12 –
5 GROUND 13 HD/CS
6 GROUND 14 VD
7 GROUND 15 –
8 GROUND
1 5
116 10
15RS-232C input
Use to control the projector with the
personal computer. 
Use the provided RS-
232C cable (Mini DIN 8P-D-SUB 9P) for
the connection.
PIN NO. NAME I/O
1 TXD IN
2...

EN – 27
ENGLISH
Specification of RGB signals in each computer mode of the projector
•When the EXPAND MODE of FEATURE menu is
set to real screen display, by pressing the EXPAND
button on the remote control, it will switch to the
screen displaying the picture as its original size (real
screen display).  In the real screen display, pictures
will be black-framed when picture resolution is lower
than 800 x 600.
•A wide image such as a squeezed image, 1080i
image, and 720p image is displayed in the top
portion...

Printed in Japan 871D341A60
Manufactured by Mitsubishi Electric Corporation
1 Zusho Baba, Nagaokakyo-City, Kyoto Japan 

1
Control projector by using a personal computer
1) Interface
This projector can be controlled by connecting a personal computer with RS-232C terminal.
Functions can be controlled by a personal computer:
• Turn the  ON or OFF
• Changing input signals
• Menu setting
Connection
to Com1
Comport to RS-232C
terminal
RS-232C cable
D-SUB 9P Mini DIN 8P
USBLS-VIDEO
VIDEO
AUDIO IN VIDEO IN
MAIN
AC IN
R COMPUTER INRS-232C
COMPUTER OUT
Important:
•Make sure that your computer and projector are turned off before...

2 3) Control sequence
(1) Send the command from a personal computer to the projector. (The commands must be sent at least
400ms apart.)
(2) The projector will send a return command 400ms* after it has received an end code. If the command is
not received correctly, the projector will not send the return command.
(3) The personal computer checks the command and confirms if the command which has been sent has been
executed or not.
(4) This projector sends various codes other than the return code. When...