ViewSonic Projector Pj1172 User Manual

							ViewSonic  PJ1172 36
Replacing The Lamp
If the indicators or a message prompts you to replace the lamp, replace the lamp as soon 
as possible.
1Turn off the projector, and unplug the power cord. Allow the lamp bulb to cool for at least 
45 minutes.
2Contact your dealer to prepare a new lamp. Tell the dealer your lamp type number. If the 
projector is mounted on the ceiling, or if the lamp has broken, also ask the dealer to 
replace the lamp.
In the case of replacement by yourself, 
3After making sure that the projector has 
cooled adequately, slide the knob of a lamp 
cover lock as shown in the Figure.
Then, one side of the lamp cover is raised. 
Pull up the lamp cover and remove it, as 
shown in the Figure.
4Unscrew the 3 screws, and slowly pull out 
the lamp by the handle. Becareful not to 
touch the inside of the lamp case.
5Insert the new lamp, and tighten the 3 
screws firmly to lock it in place.
6Interlock the 2 tabs of the lamp cover to the 
projector, put the lamp cover on the 
projector.
Then push the point of the lamp cover to 
secure it, as shown in the figure. Make sure 
that the lamp cover doesn’t come up.
7Turn on the projector power, and reset the 
lamp timer.
(1) While the projector running, press the 
MENU button to open the menu.
(2) Choose the “OPTION” on the menu using the S/T button, then press the X button 
or ENTER button.
(3) Choose the “LAMP TIME” using the S/T button, then press and hold the RESET 
button for 3 seconds.
(4) Choose the “RESET” using the S button.
memo Incorrectly resetting of the lamp timer (resetting without replacement, or neglect of 
resetting after replacement) will result in incorrect message functions.
Lamp cover knob Lamp cover
Screws
Ta b s 
						

							ViewSonic  PJ1172 37
Air Filter
Caring For The Air Filter
The air filter should be cleaned about every 100 hours. If the indicators or a message 
prompts you to clean the air filter, clean the air filter as soon as possible. If the soiling will 
not come off the air filter, or it becomes damaged, then it needs to be replaced. Please 
replace the air filter as soon as possible.
memo When you replace the lamp, please replace also the air filter.
1Turn off the projector, and unplug the power cord. Allow the lamp bulb to cool for at least 
45 minutes.
2After making sure that the projector has 
cooled adequately, remove the filter cover 
and the air filter.
3Apply a vacuum cleaner to the filter cover and 
the air filter to clean.
If the soiling will not come off the air filter, or it 
becomes damaged, it needs to be replaced.
If the air filter needs to be replaced, contact 
your dealer to prepare a new air filter. Tell the 
dealer your air filter type.
4Insert the cleaned air filter or a new air filter 
and replace the filter cover.
5Turn on the projector power and reset the 
filter timer.
(1) While the projector is running, press the 
MENU button to open the menu.
(2) Choose the “OPTION” on the menu using 
the S/T button, then press the X button 
or ENTER button.
(3) Choose the “FILTER TIME” using the S/
T button, then press and hold the RESET button for 3 seconds.
(4) Choose the “RESET” using the S button.
memo Incorrectly resetting the filter timer (resetting without replacement, or neglect of 
resetting after replacement) will result in incorrect message functions.
 WA R N I N G
• Please carefully read the “Quick Start Guide”.
• Before caring the air filter, make sure the power switch is off and the power cable is not 
plugged in, then to replacing wait at least 45 minutes for the lamp to cool sufficiently.
• Use only the air filter of the specified type. Please call ViewSonic Tech Support for P/N.
• Do not use the projector with the air filter and filter cover removed. The use without the 
air filter could result in damage.
 CAUTION
• If the air filter becomes clogged by dust or the like, internal temperature rises and could 
cause malfunction. The power is automatically turned off in order to prevent the 
projector from overheating internally.
Hold the release but-
tons of the filter cover
while pulling it down.
Hold the release but-
ton of the air filter
while pulling it out. 
						

							ViewSonic  PJ1172 38
Other Care
Caring For The Inside Of The Projector
In order to ensure the safe use of your projector, please have it cleaned and inspected by 
your local dealer about once every 2 years.
Caring For The Lens
1Turn off the projector, and unplug the power cord.
2Lightly 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
1Turn off the projector, and unplug the power cord.
2Wipe lightly with gauze or a soft cloth.
memo 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.
 WA R N I N G
• Please carefully read the “Quick Start Guide”.
• Before caring the air filter, make sure the power switch is off and the power cable is not 
plugged in.
• Be cautious of high temperature. Do not touch about the lens and ventilation openings 
during use or immediately after use prevent a burn.
• Never try to care for the inside of the unit yourself. Doing so is dangerous.
 CAUTION
In correct care could have adverse influence such as coloration, peeling paint, etc.
• Do not use cleaner or chemicals other than those listed below, including benzene and 
paint thinner.
• Do not use aerosols or sprays.
• Do not polish or wipe with hard objects. 
						

							ViewSonic  PJ1172 39
Troubleshooting
Related Messages
When the projector 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 mess age is displayed after the treatment, or if a message other than the 
following appears, please contact your dealer or service company.
memo Although these messages will be automatically disappeared around several minutes, it 
will be reappeared every time the power is turned on.
Message Description
To maximize performance, 
lamp replacement is 
recommended.After the lamp running reaches 2000 hours, the 
warning message is displayed, but it won’t 
shut the unit off. The message display for 30 
seconds when the PJ is turned on. If we push any 
button while displaying the message, the message 
disappear.
CLEAN THE AIR FILTER
POWER OFF FIRST, THEN CLEAN 
THE AIR FILTER. AFTER 
CLEANING THE AIR FILTER, 
RESET THE FILTER TIMER.The time the filter timer has counted has 
reached 100 hours.
Please clear or change the air filter by referring to 
the section “Air Filter”. After caring for the air filter, 
please be sure to reset the filter timer.
There is no input signal.
Please confirm the signal input connection, and 
the status of the signal source.
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. 
						

							ViewSonic  PJ1172 40
Regarding The Indicator Lamps
Lighting and blinking of the STANDBY/ON indicator, the LAMP indicator and the TEMP 
indicator have the meanings as described in the table below. Please respond in according 
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.
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 [O] (Off) side of the main power switch, and wait at least 
45minutes. 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.
(This table is continued to the following page.) STANDBY/
ON indicatorLAMP 
indicatorTEMP 
indicatorDescription
Lighting in 
OrangeTurned offTurned offThe projector is in a standby state.
Please refer to the section “Power On/Off”.
Blinking in 
GreenTurned offTurned offThe projector is warming up.
Please wait.
Lighting in 
GreenTurned offTurned offThe projector is in an on state.
Ordinary operations may be performed.
Blinking in 
OrangeTurned offTurned offThe projector is cooling down.
Please wait.
Blinking in 
Red(discretion-
ary)(discretion-
ary)The projector is cooling down. A certain error 
has been detected.
Please wait until the STANDBY/ON indicator fin-
ishes blink, and then perform the proper response 
measure using the item descriptions below as ref-
erence.
Lighting in 
RedLighting in 
RedTurned offThe 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”. 
						

							ViewSonic  PJ1172 41
Regarding The Indicator Lamps (continued)
STANDBY/
ON indicatorLAMP 
indicatorTEMP 
indicatorDescription
Lighting in 
RedBlinking in 
RedTurned offEither 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 confir-
mation of the attachment state of the lamp and 
lamp cover, and then turn the power on again.
If the same indication is displayed after the treat-
ment, please contact your dealer or service com-
pany.
Lighting in 
RedTurned offBlinking in 
RedThe 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 confir-
mation 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 treat-
ment, please contact your dealer or service com-
pany.
Lighting in 
RedTurned offLighting in 
RedThere 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 confir-
mation 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 treat-
ment, please change the lamp by referring to the 
section “Lamp”.
Lighting in 
GreenAlternative Blinking in 
RedThere is a possibility that interior portion has 
become overcooled.
Please use the projector within the usage temper-
ature parameters (0°C to 35°C). After the treat-
ment, resent the power to on.
Lighting in 
GreenSimultaneous Blinking 
in RedIt is time to clean the air filter, or there is no 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 changing the air filter, 
please be sure to reset the filter time. After the 
treatment, resent the power to on. 
						

							ViewSonic  PJ1172 42
Phenomena That May Easily Be Mistaken For Machine 
Defects
Before requesting repair, please check in accordance with the following chart. If the 
situation cannot be corrected, please contact your dealer or service company.
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.
(This table is continued to the following page.)
 WA R N I N G
Never use the projector if abnormal operations such as smoke, strange odor, excessive 
sound, damaged casing or elements or cables, penetration of liquid 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.
Phenomenon Cases not involving a machine defectReference 
page(s)
Power does not 
come onThe power cord is not plugged in.
Correctly connect the power cord.
9
The power switch is not set to the on position.
Set the power switch to [ | ] (On).13
The main power source has been interrupted during opera-
tion 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.
13
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.
35, 36
Neither sounds 
nor pictures are 
outputted.The signal cables are not correctly connected.
Correctly connect the connection cables.
6, 7, 8
Signal source does not correctly work.
Correctly set up the signal source device by referring to the 
manual of the source device.
6, 7, 8
The input changeover settings are mismatched.
Select the input signal, and correct the settings.14 
						

							ViewSonic  PJ1172 43
Phenomena That May Easily Be Mistaken For Machine Defects (continued)
Phenomenon Cases not involving a machine defectReference 
page(s)
Pictures are dis-
played, but no 
sounds are 
heard.The signal cables are not correctly connected.
Correctly connect the connection cables.
6, 7, 8
The volume is adjusted to an extremely low level.
Adjust the VOLUME to a higher level.17, 31
The sound is muted.
Press the MUTE button to restore the sound.17
The audio input is not correctly selected when the child 
window is displayed.
Correctly select the audio input.
20
Sounds are 
heard, but no 
pictures are 
displayed.The lens cap is attached.
Remove the lens cap.
2
The signal cables are not correctly connected.
Correctly connect the connection cables.6, 7, 8
The brightness is adjusted to an extremely low level.
Adjust the BRIGHT to a higher level using the menu function.21
The screen is blanked.
Press the BLANK button to return to the input signal screen.17
Colors have a 
faded-out 
appearance, or 
color tone is poor.Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR BAL R, 
COLOR BAL G, COLOR BAL B, COLOR and/or TINT settings, 
using the menu functions.
22
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.
21
The WHISPER function is working.
Select the NOR MAL to the item WHISPER in the MAIN menu.21
The lamp is approaching the end of its product lifetime.
Replace the lamp.35, 36
Pictures appear 
blurry.Either the focus and/or horizontal phase settings are not 
properly.
Adjust the focus using the focus buttons, and/or H PHASE using 
the menu function.
14
The lens is dirty or misty.
Clean the lens by referring to the section “Caring For The Lens”.38
Input signal 
changes with no 
operation.The INPUT dial is set between the click points.
Turn the INPUT dial and set it at a click point.
14 
						

							ViewSonic  PJ1172 44
Specifications
NOTE
• This specifications are subject to change without notice.
Item Specification
Product name
Liquid crystal projector
Liquid crys-
tal panelPanel size
2.5 cm (0.99 type)
Drive system
TFT active matrix
Pixels
786,432 pixels (1024 horizontal x 768 vertical)
Lens Zoom lens F=1.7~2.4 f=30.5~45.8 mm
Lamp 310 W UHB
Speaker 1.0W + 1.0W (Stereo)
Power supply AC100 ~ 120V, 5.2A / AC220 ~ 240V, 2.2A
Power consumption 470 W
Temperature range 0°C ~ 35°C (Operating)
Size 420(W) x 160(H) x 320(D) mm (not including protruding parts)
• Please refer to the figure of the section “TECHNICAL” of the end of 
this manual.
Weight (mass) 7.7kg
PortsRGB Input Ports
RGB
M1-D
BNC (R,G,B,H,V)
VIDEO Input Ports
VIDEO IN
S-VIDEO
COMPONENT
(CR/PR, CB/PB, Y)
AUDIO Input Ports
AUDIO IN 1
AUDIO IN 2
AUDIO IN R/LRGB output port
RGB OUT
Audio output port
AUDIO OUT
Control port
CONTROL
Other ports
NETWORK
REMOTE CONTROL
DC OUT
Optional
Parts
LampRLC-006
Air filter• Please call ViewSonic for the part number.
Others• Please consult your dealer. 
						

							ViewSonic  PJ1172 45
Customer Support
For technical support or product service, see the table below or contact your reseller.
NOTE: You will need the product serial number.
Country/Region Web site T = Telephone
F = FAXEmail
United States www.viewsonic.com/supportT: (800) 688-6688
F: (909) [email protected]
Canada www.viewsonic.com/supportT: (800) 688-6688
F: (909) [email protected]
United Kingdom www.viewsoniceurope.comT:  0800 833 648
F: (01293) [email protected]
Europe, Middle East, 
Baltic countries, and 
North Africawww.viewsoniceurope.com Contact your reseller [email protected]
Australia and New 
Zealandwww.viewsonic.com.auT: +61 2 9906 6277
F: +61 2 9906 [email protected]
Singapore/India and 
Southeast Asiawww.viewsonic.com.sgT: 65 6273 4018
F: 65 6273 [email protected]
South Africa www.viewsonic.com/asiaT: 886 2 2246 3456
F: 886 2 8242 [email protected]
Other Asia/ Pacific 
countrieswww.viewsonic.com.twT: 886 2 2246 3456
F: 886 2 8242 [email protected]
Taiwan www.viewsonic.com.twT: (0800) 061 198
F: +886(2) [email protected]
China www.viewsonic.com.cnT: (800) 820-3870
F: (021) 623 [email protected]