HP Cp-A52 Users Manual

61
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...

62
Maintenance
COMPUTER OUTCOMPUTER IN2COMPUTER IN1CONT
ROLAUDIO
OUTS-VIDEOY         CB/PB    CR/PRVIDEO        L           RAUDIO IN3 AUDIO IN1
2
COMPUTER OUT COMPUTER IN2COMPUTER IN1CONTROLAUDIO
OUTS-VIDEOY         CB/PB    CR/PRVIDEO         L           RAUDIO IN3 AUDIO 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...

63
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...

64
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...

65
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 TEMP 
indicator LAMP 
indicator Description
Lighting
In Orange Turned
off Turned
off
The 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...

66
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 
indicator TEMP 
indicator LAMP...

67
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 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...

68
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
PhenomenonCases 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...

69
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 (continue\
d)
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...

70
Specifications
Specifications
Specifications
Item Specifications
Product name Liquid crystal projector
Liquid 
Crystal 
Panel Panel size
1.6 cm (0.63 type)
Drive system TFT active matrix
Pixels 786,432 pixels (1024 horizontal x 768 vertical)
Lens f=5.1 mm
Lamp 220 W UHB
Audio output 7 W
Power supply AC 100-120V/3.6A, AC 220-240V/1.5A
Power consumption 340W
Temperature range 5~35°C (operating)
Ports COMPUTER IN1 
..........................D-sub 15 pin mini x 1
COMPUTER IN2...