Hitachi Projector CP-A200 User Manual

61
Maintenance
1.Turn the projector off and unplug the power 
cord from the power outlet. And cool the 
projector down by leaving it for a while as it is.
2.Use the vacuum cleaner on and around the 
filter unit.
3.Slide the filter unit upward to take it off from the 
projector.
4.Use the vacuum cleaner on the intake vents of 
the projector.
5.Use the vacuum cleaner on the cover side of the 
filter unit. Do not vacuum the air-filter directly, 
since the cleaner may inhale the air-filter.
When the air-filter...

62
Maintenance
Maintaining the air-filter  (continued)
►Before taking care of the air-filter, make sure the power switch 
is off and the power cable is not plugged in, then allow the projector to cool 
sufficiently. Taking care of the air-filter in a high temperature state of the projector 
could cause an electric shock, a burn or malfunction to the projector.
►Use only the air-filter unit of the specified type. Do not use the projector 
without the air-filter or the filter cover. It could result in a fire or...

63
Maintenance
COMPUTER OUTCOMPUTER IN2COMPUTER IN1CONTROL
AUDIO
OUTS-VIDEOY         CB/PB    CR/PRVIDEO        L           RAUDIO IN3AUDIO IN1
2
COMPUTER OUTCOMPUTER IN2COMPUTER IN1CONTROL
AUDIO
OUTS-VIDEOY         CB/PB    CR/PRVIDEO     
   L           RAUDIO IN3AUDIO IN1
2
Caring for the mirror and lens
If the projection mirror or lens is flawed, soiled or fogged, it could cause deterioration 
of display quality. Please take care of the mirror and lens, being cautious of handling. 
Cleaning cloth...

64
Maintenance
Other care
In order to ensure the safe use of your projector, please have it cleaned and 
inspected by your dealer about once every year.
►Before caring, make sure the power cord is not plugged in, 
and then allow the projector to cool sufficiently. 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...

65
Troubleshooting
Troubleshooting
If an abnormal operation should occur, stop using the projector immediately.
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.
►Never use the projector if abnormal operations such as 
smoke, strange odor, excessive sound, damaged casing or elements or...

66
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 
indicatorTEMP 
indicatorLAMP 
indicatorDescription
Lighting
In 
Orange
Turned
offTurned
offThe projector is in a standby state.
Please refer to the section “Power on/off”.
Blinking
In 
Green
Turned
offTurned
offThe projector is warming up.
Please wait.
Lighting
In 
Green
Turned
offTurned
offThe projector is in an on...

67
Troubleshooting
Regarding the indicator lamps (continued)
• When the interior portion has become overheated, for safety purposes, 
the projector is automatically shut down, and the indicator lamps may also be 
turned off. In such a case, disconnect the power cord, 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.NOTE
POWER 
indicatorTEMP 
indicatorLAMP...

68
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.
Phenomenon Cases not involving a machine defectReference 
page
Power does not 
come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.12
The main power source has been interrupted during 
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the...

69
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon Cases not involving a machine defectReference 
page
Sound does not 
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.10
The MUTE function is working.
Restore the sound pressing MUTE or VOLUME+/- button 
on the remote control.18
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote...

70
Troubleshooting
• Although bright spots or dark spots may appear on the screen, this 
is a unique characteristic of liquid crystal displays, and it does not constitute or 
imply a machine defect. NOTE Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon Cases not involving a machine defectReference 
page
Video screen
display freezes.The FREEZE function is working.
Press FREEZE button to restore the screen to normal.23
Colors have a
faded- out
appearance, or
Color tone...