3M Sx55 Operators Guide

							
41
ENGLISH

Maintenance
WARNING    ►Before caring, make sure the power switch is off and the 
power cable is not plugged in, and then allow the projector to cool suffi ciently. 
The care in a high temperature state of the projector could cause a burn and/or 
malfunction to the projector.
►Never try to care for the inside of the projector personally. Doing is so 
dangerous. 
►Avoid wetting the projector or inserting liquids in the projector. It could result 
in a fire, an electric shock, and and/or malfunction to the projector. 
• Don’t put a container containing water, cleaner or chemicals near the 
projector. 
• Don’t use aerosols or sprays.
CAUTION  ►Please take right care of the projector according to the 
following. Incorrect care could cause not only an injury but adverse influence 
such as discoloration, peeling paint, etc. 
• Do not use cleaner or chemicals other than those listed below. 
• Do not polish or wipe with hard objects.
Inside of the projector
In order to ensure the safe use of your projector, please have it cleaned and 
inspected by your dealer about once every 2 years.
Caring for the lens
If the lens is flawed, soiled or fogged, it could cause deterioration of display 
quality. Please take care of the lens, being cautious of the handling.
1. Turn the projector off, and unplug the power cord. Allow the projector to cool 
sufficiently
.
2. After making sure that the projector is cool adequately, lightly wipe the lens 
with a commercially available lens-cleaning wipe. Do not touch the lens 
directly with your hand.
Caring for the cabinet and remote control
Incorrect care could have adverse influence such as discoloration, peeling paint, 
etc.
1. Turn the projector off, and unplug the power cord. Allow the projector to cool 
sufficiently.
2. After making sure that the projector is cool adequately , lightly wipe  with gauze 
or a soft cloth. 
If soiling is severe, dip soft cloth in water or a neutral cleaner dilute in water , 
and wipe lightly after wringing well. Then, wipe lightly with a soft, dry cloth.
Other care 

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42

Troubleshooting
Troubleshooting
Related messages
When the unit's power is on, messages such as those shown below may be 
displayed. When any such message is displayed on the screen, please respond 
as described below. 
If the same message is displayed after the treatment, or if a 
message other than the following appears, please contact your dealer or service 
company.
Although these messages will be automatically disappeared around several 
minutes, it will be reappeared every time the power is turned on.
MessageDescription
CHANGE THE LAMP
AFTER REPLACING LAMP,  RESET THE LAMP TIMER.The time the lamp timer has counted is approaching 
2000 hours. 
Preparation of a new lamp, and an early lamp change is 
recommended. After you have change the lamp, please be 
sure to reset the lamp timer (36).
CHANGE THE LAMP
AFTER REPLACING LAMP,  RESET THE LAMP TIMER.
THE POWER WILL TURN OFF AFTER ** hr.The time the lamp timer has counted is approaching 
2000 hours, so a lamp change within ** hours is 
recommended. 
When lamp usage reaches 2000 hours, the power will 
automatically be turned off. Please change the lamp by 
referring to the section “Lamp”. After you have changed the 
lamp, please be sure to reset the lamp timer (36).
CHANGE THE LAMP
AFTER REPLACING LAMP,  RESET THE LAMP TIMER.
THE POWER WILL TURN OFF  AFTER 0 hr.As the time the lamp timer has counted has reached 
2000 hours, the power will soon be automatically 
turned off. 
Please immediately turn the power off, and change the lamp 
by referring to the section “Lamp”. After changing the lamp, 
please be sure to reset the lamp timer (36).
NO INPUT IS DETECTEDON ***
There is no input signal. 
Please confirm the signal input connection, and the status 
of the signal source.
SYNC IS OUT OF RANGEON ***  fH  *****kHz  fV  *****Hz
The horizontal or vertical wavelength of the inputted 
signal is outside of the response parameters of this unit.
Please confirm the specs for this unit or the signal source specs.
CHECK THE AIR FLOW
The internal portion temperature is rising. 
Please turn the power OFF, and allow the unit to cool down at least 20 minutes. 
After having confirmed the following items, please turn the power ON again.
 
 • Is there blockage of the air passage aperture? 
 • Is the air filter dirty? 
 • Does the peripheral temperature exceed 35°C?
 • 
If the same indication is displayed after the treatment, please set the 
HIGH at the FAN SPEED of the item SERVICE of the OPTION menu.

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43
ENGLISH

Troubleshooting
Related messages (continued)
MessageDescription
CLEAN THE AIR FILTERPOWER OFF FIRST,
THEN CLEAN THE AIR  FILTER.
AFTER CLEANING THE AIR  FILTER,
RESET THE FILTER TIMER.A note of precaution when cleaning the air filter. 
Please immediately turn the power OFF, and clean or 
change the air filter by referring to the “Air Filter” section of 
this manual. After you have cleaned or changed the air filter, 
please be sure to reset the filter timer
 (37). 
NOTE  •  A lamp has a finite product life. Lamps are characterized by the 
fact that, after long hours of usage, a lamp will no longer light up, or the lamp 
will break or burst, etc. This projector is equipped with an automatic shut-down 
function, such that the power will automatically be turned off when lamp usage 
time has reached 2000 hours. Please be aware, however, that among lamp 
types, there are major differences in product lifetimes; a lamp may thus fail to 
light even prior to the functioning of the automatic shut-down function of this 
projector.

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44

Troubleshooting
Regarding the indicator lamps
Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP 
indicator have the meanings as described in the table below. Please respond 
in accordance with the instructions within the table. If the same indication is 
displayed after the treatment, or if an indication other than the following is 
displayed, please contact your dealer or service company.
POWER 
indicatorLAMP indicatorTEMP indicatorDescription
Lighting
In Orange
Turned
offTurnedoff
The projector is in a standby state.
Please refer to the section “Power On/Off”.
Blinking
In Green
Turned
offTurnedoff
The projector is warming up.
Please wait.
Lighting
In Green
Turned
offTurnedoff
The projector is in an on state.
Ordinary operations may be performed.
Blinking
In Orange
Turned
offTurnedoff
The projector is cooling down.
Please wait.
Blinking
In Red
(discre-
tionary)
(discre-
tionary)
The projector is cooling down. A certain error 
has been detected.
Please wait until the POWER indicator finishes blink, 
and then perform the proper response measure using 
the item descriptions below as reference.
Blinking
In Red
or
Lighting
In Red
Lighting
In Red
Turned
off
The lamp does not light, and there is a 
possibility that interior portion has become 
heated.
Please turn the power off, and allow the unit to cool 
down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation of 
the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the treatment, 
please change the lamp by referring to the section 
“Lamp”.
Blinking
In Red
or
Lighting
In Red
Blinking
In Red
Turned
off
The lamp cover has not been properly fixed 
(attached).
Please turn the power off, and allow the unit to cool 
down at least 45 minutes. After the projector has 
sufficiently cooled down, please make confirmation 
of the attachment state of the lamp cover. After 
performing any needed maintenance, turn the power 
on again. If the same indication is displayed after 
the treatment, please contact your dealer or service 
company.

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Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicatorLAMP indicatorTEMP indicatorDescription
Blinking
In Red
or
Lighting
In Red
Turned
off
Blinking
In Red
The cooling fan is not operating.
Please turn the power off, and allow the unit to cool 
down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is displayed after the treatment, 
please contact your dealer or service company.
Blinking
In Red
or
Lighting
In Red
Turned
off
Lighting
In Red
There is a possibility that the interior portion 
has become heated.
Please turn the power off, and allow the unit to cool 
down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation of 
the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the treatment, 
please set the HIGH at the FAN SPEED of the item 
SERVICE of the OPTION menu.
Lighting
In Green
Alternative
blinking in Red
There is a possibility that the interior portion 
has become overcooled.
Please use the unit within the usage temperature 
parameters (5°C to 35°C). After the treatment, resent 
the power to ON.
Lighting
In Green
Simultaneous
blinking in Red
It is time to clean the air  filter.
Please immediately turn the power OFF, and clean 
or change the air filter by referring to the section “Air 
Filter”. After cleaning or changed the air filter, please 
be sure to reset the filter timer. After the treatment, 
resent the power to ON.
NOTE  • When the interior portion has become overheated, for safety 
purposes, the power source is automatically turned off, and the indicator lamps 
may also be turned off
. In such a case, press the “” (OFF) side of the power 
switch, and wait at least 45 minutes.  After the projector has sufficiently cooled 
down, please make confirmation of the attachment state of the lamp and lamp  cover, and then turn the power on again.

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46

Troubleshooting
Phenomena that may easily be mistaken for machine defects
WARNING  ►Never use the projector if abnormal operations such as 
smoke, strange odor, excessive sound, damaged casing or elements or cables, 
penetration of liquids or foreign matter, etc. should occur. In such cases, 
immediately turn off the power switch and then disconnect the power plug from 
the power outlet After making sure that the smoke or odor has stopped, contact 
your dealer or service company.
1. Before requesting repair, please check in accordance with the following chart.  
This operation sometimes resolves your problem.
If the situation cannot be corrected, 
2. The projector’s microprocessor may need to be reset. Please push the 
Restart switch by using a cocktail stick or similar and the projector will restart.
3. Some setting may be wrong. Please use the FACTORY RESET function of 
SERVICE menu in the OPTION menu
 (37) to reset all settings to factory 
default.
Then, if the problem is not removed after maintenance, please contact your dealer 
or service company.
PhenomenonCases not involving a machine defectReference
page
Power does not 
come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.13
The power switch is not set to the on position.
Set the power switch to [ | ] (On).16
The main power source has been interrupted during 
operation such as by a power outage (blackout), etc.
Please turn the power off, and allow the unit to cool down at 
least 20 minutes. After the projector has sufficiently cooled 
down, please turn the power on again.
16
Either there is no lamp and/or lamp cover, or either 
of these has not been properly fixed.
Please turn the power off, and allow the unit to cool down at 
least 45 minutes. After the projector has sufficiently cooled 
down, please make confirmation of the attachment state of 
the lamp and lamp cover, and then turn the power on again.38, 39

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Phenomena that may easily be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReference
page
No pictures are 
displayed.
The lens cover is closed.
Remove the lens cover.4, 16
The signal cables are not correctly connected.
Correctly connect the connection cables.10
The brightness is adjusted to an extremely low level.
Adjust the BRIGHT to a higher level using the menu function 
or the remote control.
23, 25
The computer cannot detect the projector as a plug 
and play monitor.
Make sure that the computer’s can detect a plug and play 
monitor using other plug and play monitor.10
Colors have a
faded- out
appearance, or
Color tone is  poor.
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR 
TEMP, 
COLOR, TINT and/or COLOR SPACE settings, 
using the menu functions.
23, 25, 
30
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB, 
SMPTE240 , REC709 or REC601. 
30
Pictures appear 
dark.
The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust the BRIGHT and/or CONTRAST settings to a higher 
level using the menu function.
24, 25
The WHISPER function is working.
Select the NORMAL to the item WHISPER in the SETUP 
menu.
24, 32
The lamp is approaching the end of its product 
lifetime.
Replace the lamp.
38, 39
Pictures appear
blurry.
Either the focus and/or horizontal phase settings are 
not properly.
Adjust the focus using the focus ring, and/or H PHASE 
using the menu function.
18, 28
The lens is dirty or misty.
Clean the lens by referring to the section “Caring for the 
lens”.
41
Troubleshooting
NOTE  • Although bright spots or dark spots may appear on the screen, this 
is a unique characteristic of liquid crystal displays, and such do not constitute or 
imply a machine defect.

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48

Warranty And After-Ser vice
Warranty and after-service
If a problem occurs with the equipment, first refer to the “Troubleshooting” and 
run through the suggested checks. If this does not resolve the problem, please 
contact your dealer or the service company. They will tell you what warranty 
condition is applied.
Specifications
Specifications
NOTE  • This specifications are subject to change without notice.
Item Specification
Product nameLiquid crystal projector
Liquid
Crystal
panel
Panel size1.8 cm (0.7 type)
Drive systemTFT active matrix
PixelsCP-S335: 480,000 pixels (800 horizontal x 600 vertical)
CP-X340/X345: 786,432 pixels (1024 horizontal x 768 vertical)
LensZoom lens F=1.7 ~ 1.9 f=21.8 ~ 26.2 mm
Lamp165W UHB
Power SupplyAC100-120V/2.7A, AC220-240V/1.5A
Power Consumption240W
Temperature range
5 ~ 35°C (Operating)
Size
297 (W) x 64 (H) x 233 (D) mm 
(Not including protruding parts)
• Please refer to the following figure.
Weight (mass)
2.5 kg
Ports
Optional 
parts
LampDT00671
Air filter
NJ09702
Others • Please consult your dealer.
RGB input: RGB IN1 ..D-sub 15pin mini x1RGB IN2 ..D-sub 15pin mini x1
RGB output: 
RGB OUT  D-sub 15pin mini x1
Communication port: CONTROL  ............D-sub 9pin x1USB .......................USB(B) x1 Video input:
COMPONENT VIDEO 
  Y
 ............................... RCA x1 
  CB/PB .......................RCA x 1   CR/PR ......................RCA x 1
S-Video  ................................1
Video  ....................................1
Audio input:AUDIO IN1 ......Stereo mini x1AUDIO IN2 ......Stereo mini x1
Audio output:
AUDIO OUT  ...Stereo mini x1

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Specifications
Specifications (continued)
[unit: mm]14.3
79.780.064.265.432.2
237.4232.8
297.084.5

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78-6970-9389-2 Rev. A
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Intended Use
Before operating this machine, please read this entire manual thoroughly\
. The 3M TM Multimedia Projectors are designed, built, and tested for use indoors\
, 
using 3M lamps, 3M ceiling mount hardware, and nominal local voltages.
The use of other replacement lamps, outdoor operation, or different volt\
ages has not been tested and could damage the projector  peripheral equipment 
and/or create a potentially unsafe operating condition.
3M Multimedia projectors and Wall Display Systems are designed to operat\
e in a normal office environment.
    16 to 29C (60 to 85 F)
    10- 80 %RH (without condensation)
     0- 1828 m (0-6000 feet) above sea level
The ambient operating environment should be free of airborne smoke, grea\
se, oil and other contaminates that can affect the oper ation or performance of the
projector. 
Use of this product in adverse conditions will void the product warranty\
.
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