Hitachi Pj-Tx300e Projector Users Manual

							
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Troubleshooting
Troubleshooting
Related messages
When the projector is turned on, the following messages may be displayed. When 
any such message is displayed on the screen, please follow the instructions 
described below. If the same message is displayed after trying the solutions 
below, or if a message other than the following appears, please contact your 
dealer or service company.
Although these messages will be automatically disappear after several minutes, 
they will reappear every time the power is turned on.
MessageDescription
There is no input signal.
Please confirm the input signal connection, and the status 
of the signal source.
The horizontal or vertical wavelength of the input signal 
is out of the response parameter range of this projector.
Please confirm the specs for the projector and the signal 
source specs.
CHECK THE AIR FLOW
The internal temperature is high.
Please turn the power off, and allow the projector to cool 
down for at least 20 minutes. After confirming 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 trying the solutions 
above, please set the FAN SPEED of the SERVICE item in 
the OPTION menu to HIGH (54).
REMINDER
***  HRS PASSED AFTER THE  
LAST FILTER CHECK. 
FILTER MAINTENANCE IS ESSENTIAL  TO REMOVE WARNING MESSAGE, RESET FILTER TIMER.
SEE MANUAL FURTHER INFO
A note of precaution when cleaning the air filter.
Please immediately turn the power off, and clean or change 
the air filter, according to the directions in “Air filter” (
58). 
After you have cleaned or changed the air filter, please be 
sure to reset the FILTER TIME (
53).
NO INPUT IS DETECTEDON ***
SYNC IS OUT OF RANGEON ***  fH  *****kHz  fV  *****Hz 
						

							
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POWER indicatorLAMP indicator TEMP indicatorDescription
Lit In OrangeTurned  offTurned  off
The projector is in a standby state.
Please refer to the “Turning the power on” (20) and 
“Turning the power off” (23).
Blinking  GreenTurned  off Turned  offThe projector is warming up.Please wait.
Lit In GreenTurned  offTurned  offThe projector is on and ready.Ordinary operations may be performed.
Blinking  OrangeTurned  off Turned  offThe projector is cooling down.Please wait.
Blinking  Red(varies)(varies) The projector is cooling down. An error has been detected.
Please wait until the POWER indicator finishes blinking, 
and then try the suggested solution, referring to the following error descriptions.
Blinking  Red or Lit In Green
Lit In RedTurned  off
The lamp will not light, and there is a possibility that interior of the projector has overheated.
Please turn the power off, and allow the projector to cool 
down for at least 20 minutes. After the projector has 
cooled down sufficiently, please confirm 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 trying the 
solutions above, please change the lamp according to the 
directions in “Lamp” (56, 57).
Troubleshooting
Regarding the indicator lamps
The meanings of the lighting patterns of the POWER indicator, the LAMP 
indicator, and the TEMP indicator are described in the table below. Please follow 
the instructions within the table. If the same indication is displayed after trying 
the solutions below, or if an indication other than the following appears, please 
contact your dealer or service company.
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POWER indicatorLAMP indicator TEMP indicatorDescription
Blinking  Red or Lit In Red
Turned  offBlinking  Red
The cooling fan is not operating.
Please turn the power off, and allow the projector to cool 
down for at least 20 minutes. After the projector has 
cooled down sufficiently, please confirm the following 
items, and then turn the power on again.
• Are any foreign objects caught in the fan?
• Are there any magnetic objects on or near the projector?
Please ensure that installation configuration/usage of 
the projector does not allow any foreign materials to be caught, or disrupt the rotation of the cooling fans.
Blinking  Red or Lit In Red
Turned  offLit In Red
There is a possibility that the interior of the projector has overheated.
Please turn the power off, and allow the projector to cool 
down for at least 20 minutes. After the projector has 
cooled down sufficiently, please confirm 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 trying the 
solutions above, please set the FAN SPEED of the 
SERVICE item in the OPTION menu to HIGH (
54).
Lit In GreenAlternative blinking Red
There is a possibility that the interior of the projector has become too cool.Please use the projector within the usage temperature 
parameters (5°C to 35°C). After applying the solution set 
the power switch to ON.
Lit In GreenSimultaneously blinking in Red
It is time to clean the air filter.
Please turn the power off immediately, and clean or 
change the air filter referring to the “Air Filter” (
58) 
section. After cleaning or changing the air filter, please be 
sure to reset the filter timer. After applying the solution set 
the power switch to ON.
Troubleshooting
Regarding the indicator lamps (continued)
• When the interior of the projector overheats, the power source is 
automatically turned off for safety purposes, and the indicator lamps may also 
be turned off. If this occurs, set the power switch to the “
” (OFF) position, and 
wait at least 45 minutes. After the projector has cooled down sufficiently, please 
confirm that the lamp and lamp cover are properly fastened, and then turn the 
power on again. NOTE 
						

							
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PhenomenonCases not involving a machine defect
Troubleshooting
Phenomena that may be easily mistaken as machine defects
Before requesting repair, please check the following chart. This will sometimes 
provide a solution to your problem.
If a situation cannot be resolved, the projector’s microprocessor may need to be 
reset, or settings may be incorrect.
  To reset the microprocessor, turn the projector off 
once, and turn it on again (20). If the projector 
cannot be turned off, use the restart switch. 
Pressing the restart switch using a pin or similar 
object will restart the projector (7, 23). 
  To reset all settings to the factory default, please  use the FACTORY RESET item in the SERVICE 
menu which is in the OPTION menu (55).
If the problem is not solved after performing maintenance, please contact your 
dealer or service company.
► Never use the projector if there is any abnormality such as 
smoke, strange odor, excessive noise, damaged casing, elements or cables, 
penetration of liquids or foreign matter, etc. In such cases, immediately turn 
the power off 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.
WARNING
Power does not come on.
No pictures are output
The electrical power cord is not plugged in.Correctly connect the power cord (17).
The power switch is not set to the on position.Set the power switch to [ | ] (On position) (20).
The main power source has been interrupted during operation by a power outage (blackout), etc.
Please turn the power off (23), and allow the projector to cool down for at least 20 minutes.
After the projector has cooled down sufficiently, please turn the 
power on again (20).
Either the lamp or lamp cover has not been properly fastened.
Please turn the power off (23), and allow the projector to cool down for at least 45 minutes.
After the projector has sufficiently cooled down, confirm that the 
lamp and lamp cover are properly fastened (58). Then turn the 
power on again (20).
The lens cover is closed.Remove the lens cover (6).
The signal cables are not correctly connected.Correctly connect the connection cables (13-16).
(Continued on next page)
YCB/PBCR/PRCOMPONENT VIDEO
S-VIDEO
VIDEOCOMPUTERCONTROLHDMITRIGGER
AC INI       O
Restart switch 
						

							
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Troubleshooting
Phenomena that may be easily mistaken for machine defects (continued)
PhenomenonCases not involving a machine defect
No pictures are output.
Colors have a faded-out appearance, or 
Color tone is poor.
Pictures appear dark.
Pictures appear 
blurry.
Signal source does not work correctly.Correctly set up the signal source device by referring to the manual for the source device.
The brightness is adjusted to an extremely low level.Adjust the BRIGHTNESS (27, 33, 37) to a higher level using the menu function or the remote control.
The computer cannot detect the projector as a plug and play 
monitor.
Confirm that the computer can detect a plug and play monitor using 
another plug and play monitor (16).
If the connected PC has a HDMI output, the driver software of the HDMI board is too old.Consult with your PC dealer to install new software.
The signal source cannot output both a HDMI signal and a VGA 
signal simultaneously.
Disconnect the VGA connection when you use the HDMI input 
 (14, 15).
If the output signal can be selected on the PC, it is not selected 
properly.
Check the settings. Select the digital output for HDMI connection.
Color settings are not correctly adjusted.Perform picture adjustments by changing the COLOR TEMP (39), COLOR (27, 33, 40), TINT (33, 40) and COLOR SPACE (45).
COLOR SPACE setting is not suitable.
Change the COLOR SPACE (45).
The brightness or contrast is adjusted to an extremely low level.Adjust the BRIGHTNESS (27, 33, 37) and CONTRAST (27, 33, 37) to a higher level.
The WHISPER function is enabled.Set the WHISPER item (48) in the SETUP menu to normal.
The lamp is approaching the end of its product lifetime.Replace the lamp (53, 57).
Either the focus or horizontal phase setting is not properly adjusted.Check and adjust the focus (22), and H PHASE (44).
The lens is dirty or fogged.Clean the lens according to the directions in “Lens” (60).
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PhenomenonCases not involving a machine defect
Troubleshooting
Flicker appears on the screen.
Projector is very 
noisy. 
AUTO1 or AUTO2 is selected for the BLACK mode.
Please set the BLACK mode to TURN OFF using the BLACK button 
(27) or the BLACK item in the PICTURE menu (41).
The WHISPER function is working.
The WHISPER function may cause screen flicker. 
Set the WHISPER item (48) in the SETUP menu to NORMAL.
The fan speed has been automatically changed.When the ambient temperature is, the projector will automatically raise the cooling fan speed to keep the internal temperature stable.Lower the ambient temperature.If you want to reduce noise more, set the WHISPER item (48) in 
the SETUP menu to WHISPER.
• Although bright spots, dark spots, uneven color or misconvergence 
may appear on the screen, these are common characteristics of liquid crystal 
displays, and do not constitute or imply a machine defect. NOTE 
						

							
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Warranty and after-ser vice / Specifications
Warranty and after-service
When a problem occurs with the equipment, first refer to “Troubleshooting” 
(62-66) and run through the suggested checks. If this does not resolve the 
problem, please contact your dealer or service company. They will tell you what 
warranty condition is applied.
Specifications
Item Specification
Product nameLiquid crystal projector
Liquid crystal panel
Panel size1.8 cm (0.7 Type)
Drive systemTFT active matrix
Pixels921,600 pixels (1280 horizontal x 720 vertical)
LensZoom lens  F=1.7 ~ 2.4  f = 20.0 ~ 31.9 mm
Lamp150W UHB
Power Supply AC100-120V/2.4A, AC220-240V/1.3A
Power Consumption220W
Temperature range
5 ~ 35°C (Operating)
Size 340 (W) x 113 (H) x 299 (D) mm (Not including protruding parts)
Weight (mass)
4.7 kg
Ports
RGB input port:COMPUTER ......................D-sub 15pin mini shrink jack x 1Digital input port:HDMI ....................................................HDMI connector x 1Communication port:CONTROL  ..............................................D-sub 9pin plug x 1
Video input port:
VIDEO ............................................................. RCA jack x 1S-VIDEO ...........................................Mini DIN 4pin jack x 1
COMPONENT VIDEO ..................................... RCA jack x 3
Other port:TRIGGER (12V/25mA) .....................................................x 1
Optional parts
LampDT00665
Air filter
NJ22632
Others • Please consult your dealer.
• These specifications are subject to change without notice.
NOTE 
						

							
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Specifications
Dimension diagram
[unit: mm]
  
						

							
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Glossar y
Glossary 
EntryExplanationPage(s) in which the entry appears
3-2 Pull-DownA system for converting a film source such as a movie into a video signal.45
Color space
A standard for determining color value.45
Color temperatureA system for expressing a color of lightRefers to the luminance of white which a display 
device radiates. A higher color temperature 
expresses a more bluish color. A lower color 
temperature expresses a more reddish color.28, 39, 41
Gamma
In this manual, “Gamma” refers to a gamma characteristic that is the state of brightness and darkness between the white level and the black level. 
28, 37, 41
Ghost
A phenomenon where a double image is displayed.Generally caused by an RGB signal problem.54
HDMIHDMI stands for High Definition Multi-Media Interface which is an interface standard for transmission of digital images and audio signals.
1, 14, 15, 21, 24, 27, 31, 33, 40, 43, 44, 46, 47
InterlacedRefers to interlaced scanning which is a system to scan twice alternately for one picture↔ Progressive.45
IrisRefers to an iris diaphragm that is a mechanism to adjust the amount of light projected.25, 27, 28, 41
KeystoneTrapezoidal image distortion. This manual refers to Keystone adjustment for the correction of trapezoidal image distortion caused by image projected onto a screen or wall which is not perpendicular to the projector lens.
48
NTSC
A standard for terrestrial analog broadcasting.
Mainly adopted in Japan, North America, and South Korea.46
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EntryExplanationPage(s) in which the entry appears
PAL A standard for terrestrial analog broadcasting.
Mainly adopted in UK, Germany, China, Australia, 
et al.46
ProgressiveRefers to progressive scanning which is a system 
to scan in order.
↔ Interlaced45
RGB (signal)Output image signaling that displays image based on three primary colors, Red, Green, and Blue. It 
is also called Analog RGB.
Both D-sub 15 pin and BNC are connection types for RGB signals.
15, 16, 24, 31, 43, 44, 46, 47
S2-video
A standard for signal interface. S2-video signals can include a signal of a 4:3 image, squeezed 16:9 image or letterbox 4:3 image.47
SCART A type of audio-video equipment connector. 21pin 
trapezoidal connector which is connected with an 
RGB signal, Video signal, or 2ch audio signal.
Widespread in Europe.
14, 21, 44, 45, 46, 47
SECAM
A standard for terrestrial analog broadcasting.Mainly adopted in France, Russia, et al.40, 46
Glossar y