Hitachi Cp-X253 Projector Users Manual

5

Maintenance
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 year.
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 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...

5

Troubleshooting
If an abnormal operation should occur, stop using the projector immediately. 
Troubleshooting
Otherwise if a problem occurs with the projector, the following checks and 
measures are recommended before requesting repair. 
If this does not resolve the problem, please contact your dealer or service 
company. They will tell you what warranty condition is applied.
Related messages
When some message appears, check and cope with it according to the following 
table. Although these...

53

Troubleshooting
Regarding the indicator lamps
When operation of the LAMP, TEMP and POWER indicators differs from usual, 
check and cope with it according to the following table.
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Lighting
In Orange
Turned
off
Turned
offThe projector is in a standby state.Please refer to the section “Power on/off”.
Blinking
In Green
Turned
off
Turned
offThe projector is warming up.Please wait.
Lighting
In Green
Turned
off
Turned
offThe projector is in an on...

54

Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
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 projector 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...

55

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it 
according to the following table.
PhenomenonCases not involving a machine defectReferencepage
Power does not come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.0
The main power source has been interrupted during operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the...

56

Phenomena that may be easy to be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReferencepage
No pictures are displayed.(continued)
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu function or the remote control.
21, 23
The computer cannot detect the projector as a plug and play monitor.
Make sure that the computer can detect a plug and play monitor using another plug and play monitor.
9
The BLANK screen...

57

Specifications
Specifications
ItemSpecification
Product nameLiquid crystal projector
Liquid
Crystal
Panel
Panel size1.6 cm (0.63 type)
Drive systemTFT active matrix
Pixels786,432 pixels (1024 horizontal x 768 vertical)
LensZoom lens F=1.8 ~ 1.9  f = 16.4~ 19.7 mm
Lamp160W UHB
Speaker1 W x1
Power supplyAC100-120V/2.8A, AC220-240V/1.4A
Power consumption50 W
Temperature range5 ~ 35°C (Operating)
Size
274 (W) x 59 (H) x 205 (D) mm 
* Not including protruding parts. Please refer to the following...