Panasonic Projector PT-EW730Z User Manual

							Chapter 5 Maintenance — Maintenance/replacement
ENGLISH - 131
Maintenance/replacement
Before performing maintenance/replacement
 
f Make sure to turn off the power before maintaining the projector or replacing the unit. ( x pages 47, 49)
 
f When switching off the projector, make sure to follow the procedures in “Switching off the projector” (x page 49).
Maintenance
Outer case
Wipe off dirt and dust with a soft, dry cloth.
 
f If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry of f the projector with a dry cloth.
 
f Do not use benzene, thinner, or rubbing alcohol, other solvents, or household cleaners. Doing so may deteriorate the outer case.
 
f When using chemically treated dust cloths, follow the instructions writt\
en on its packaging.
Lens front surface
Wipe off dirt and dust from the front surface of the lens with a soft clean clo\
th.
 
f Do not use a cloth that is fluffy, dusty, or soaked with oil/water.
 
f Since the lens is fragile, do not use excessive force when wiping the lens.
Attention
 
f The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Handle with care.
Air filter unit
Perform maintenance of the air filter in the following case.
 
f The air filter is clogged with dust, causing the filter replacement message to appear on the screen and the filter indicator  to light 
in red.
Attention
 
f Make sure to turn off the power before performing maintenance on the air filter unit.
 
f Make sure that the projector is stable, and perform the maintenance in a safe place where the unit will not be damaged even if you drop the 
air filter unit.
Removing the air filter unit
Air filter cover Air filter unit
Air filter unit compartment and the projector’s air 
intake port
Air filter cover fixing screw Tabs on the projector
Fig. 1 Fig. 2 Fig. 3
1) Remove the air filter cover. (Fig. 1)
 
f Use a Phillips screwdriver to turn the air filter cover fixing screw (x1) counterclockwise until it turns freely , and gently pull open in the 
direction of the arrow with your finger placed on the indent of the air filter cover and remove the cover .
 
f When pulling open the air filter cover, be sure to firmly hold the air filter cover with your hand. Opening the air filter cover quickly may 
result in the cover falling.
2)  Remove the air filter unit.
 
f Pull out the air filter unit from the tabs of the projector while slightly pressing the tab at the center of the frame at the connecting 
terminal side (rear side) inward as shown by the arrow, and remove the air filter unit. (Fig. 2)
 
f After pulling out the air filter unit, remove foreign objects and dust from the air filter unit compartment and the projector ’s air intake port 
if there are any. (Fig. 3)   
						

							Chapter 5 Maintenance — Maintenance/replacement
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Cleaning the air filter unit
Remove the air filter unit beforehand according to the previously described procedure in “Removing the air filter unit”.
Fig. 1Fig. 2
1) Wash the air filter unit. (Fig. 1)
i) Soak the air filter unit in cold or warm water and then lightly rinse it.
 
f Do not use cleaning tools such as brushes.
 
f When rinsing, hold the frame of the air filter unit without putting strong pressure on the filter .
ii)  Rinse the air filter unit two to three times using fresh water each time\
.
 
f Insufficient rinsing may result in odors.
2)  Dry the air filter unit. (Fig. 2)
 
f Let the air filter unit naturally dry off in a well-ventilated place where there is little dust and is not exposed to direct sunlight.
 
f Do not dry using drying devices such as dryers.
 
f After the air filter unit is dried, proceed to “Attaching the air filter unit” ( x page 132).
Attaching the air filter unit
1)  Attach the air filter unit to the projector.
 
f Perform Step 2) in “Removing the air filter unit” in the reverse order.
 
f Push in the air filter unit securely until it clicks into place.
2)  Attach the air filter cover.
 
f Perform Step 1) in “Removing the air filter unit” in the reverse order to close the air filter cover , and push in the air filter cover securely 
until it clicks into place.
 
f Use a Phillips screwdriver to firmly tighten the air filter cover fixing screw (x1).
Attention
 
f After washing the air filter unit, dry it thoroughly before attaching it back to the projector . Attaching a wet unit will cause an electric shock or 
malfunction.
 
f Do not disassemble the air filter unit.
 
f Make sure that the air filter unit is properly attached before using the projector . If it is not attached, the projector will suck in dirt and dust 
causing a malfunction.
Note
 
f If you use the projector without attaching the air filter unit, the filter indicator  flashes in red and the message appears on the 
projected image for approximately 30 seconds.
 
f Replace the air filter unit with the new optional Replacement Filter Unit (Model No.: ET -RFE300) if it is damaged or if the dirt does not come 
off even after washing.
 
f Air filter replacement is recommended after cleaning the unit two times.
 
f The dust-proof properties may be reduced after each cleaning.    
						

							Chapter 5 Maintenance — Maintenance/replacement
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Replacing the unit
Lamp unit
The lamp unit is a consumable component. Refer to “When to replace the lamp unit” (x page 133) for details about the replacement cycle.
When purchasing the optional Replacement Lamp Unit (Model No.: ET -LAE300), consult your dealer.
It is recommended that you request a qualified technician to replace the lamp unit. Consult your dealer .
Warning
Replace the lamp unit after the lamp has cooled (after waiting at least\
 one hour).
The high temperature inside the cover will cause burns.
Notes on the replacement of the lamp unit
 
f A Phillips screwdriver is necessary when replacing the lamp unit.
 
f Since the luminous lamp is made of glass, it may burst if dropped or hit with a hard object. Handle with care.
 
f Do not disassemble or modify the lamp unit.
 
f When replacing the lamp unit, be sure to hold it by the handle because i\
ts surface is pointed and its shape is protruded.
 
f The lamp may rapture. Replace the lamp unit carefully so the glass fragm\
ents of the lamp do not scatter. While attaching the projector to the 
ceiling, do not work right under the lamp unit or do not conduct work wh\
ile your face is near the lamp unit.
 
f The lamp contains mercury. When disposing of used lamp units, contact your local authorities or d\
ealer for correct methods of disposal.
Attention
 
f Panasonic takes no responsibility for any damage or malfunction of the p\
roduct resulting from use of lamp units which are not manufactured 
by Panasonic. Use only specified lamp units.
Note
 
f The model numbers of accessories and optional accessories are subject to\
 change without prior notice.
When to replace the lamp unit
The lamp unit is a consumable component. Since its brightness gradually decreases over time, it is necessary to replace the lamp unit 
regularly. The estimated duration before replacement is 3 000 hours, but the lamp may go off before reaching to 3 000 hours, depending on 
the characteristics of the individual lamp, usage conditions, and the installation environment. It is recommended that the Replacement Lamp 
Unit be prepared earlier.
If you continue to use the lamp unit after 3 000 hours has elapsed, the lamp turns off automatically after approximately 10 minutes, as it may 
cause malfunction of the projector.
On-screen display
REPLACE LAMP
Lamp indicator 
Over 2 800 hours The message is displayed for 30 seconds. Pressing 
any button on the control panel or remote control 
within 30 seconds will clear the message.
The indicator lights in red even during the standby 
mode.
Over 3 000 hours The message remains displayed until you press any 
button.
Note
 
f To predict when to replace the lamp, check the lamp runtime displayed at [LAMP : TOTAL] in [STATUS] (x page 96).
 
f 3 000 hours is only the target for replacement and not the warranty time.
How to replace the lamp unit
Attention
 
f While attaching the projector to the ceiling, do not work right under th\
e lamp unit or do not conduct work while your face is near the lamp 
unit.
 
f Do not remove or loosen the screws other than specified ones when replacing the lamp unit.
 
f Make sure to attach the lamp unit and the lamp cover securely.   
						

							Chapter 5 Maintenance — Maintenance/replacement
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f If the lamp unit is not installed properly, remove it and then push it in slowly. Pushing it in quickly or forcibly may break the connector.
Fig. 1
Fig. 2
Lamp unit fixing screws
Lamp cover fixing screw Lamp unit
Handles
Lamp cover
1) 
Set the  switch to  and disconnect the power plug from \
the power outlet.
 
f Wait at least one hour and check if the lamp unit has cooled down.
2)  Remove the lamp cover. (Fig. 1)
 
f Use a Phillips screwdriver to turn the lamp cover fixing screw (x1) counterclockwise until it turns freely , and slide the lamp cover slowly 
in the direction of the arrow to remove it.
 
f Opening the lamp cover quickly may result in falling.
3)  Remove the lamp unit. (Fig. 2)
 
f Use a Phillips screwdriver to turn the lamp unit fixing screws (x3) counterclockwise until they turn freely , and remove the lamp unit.
 
f Hold the handles of the lamp unit and remove it straight.
4)  Push in the new lamp unit while paying attention to the insertion positi\
on.
 
f If the lamp unit is not installed properly, remove it and then push it in slowly. Pushing it in quickly or forcibly may break the connector.
5)  Use a Phillips screwdriver to firmly tighten the lamp unit fixing screws (x3).
 
f Make sure to attach the lamp unit securely.
6)  Attach the lamp cover.
i) Perform Step 2) in the reverse order to attach the lamp cover.
ii)  Use a Phillips screwdriver to firmly tighten the lamp cover fixing screw (x1).
 
f Make sure to attach the lamp cover slowly and securely.
Note
 
f When you replace the lamp unit with new one, the projector resets the ru\
ntime of the lamp unit automatically.
Air filter unit
When the dust remains after cleaning, the filter replacement timing has come.
The Replacement Filter Unit (Model No.: ET -RFE300) is an optional accessory. To purchase the product, consult your dealer.
How to replace the air filter unit
Attention
 
f Make sure to turn off the power before replacing the air filter unit.
 
f Make sure that the projector is stable, and perform the replacement in a safe place where the unit will not be damaged even if you drop the 
air filter unit.
1)  Remove the air filter unit.
 
f Refer to “Removing the air filter unit” ( x page 131).
2) Attach the optional Replacement Filter Unit (Model No.: ET -RFE300) to the projector.
 
f Refer to “Attaching the air filter unit” (x page 132).
Attention
 
f When using the projector, be sure to attach the air filter unit. If it is not attached, the projector will suck in dirt and dust causing a malfunction.   
						

							Chapter 5 Maintenance — Maintenance/replacement
ENGLISH - 135
Note
 
f If you use the projector without attaching the air filter unit, the filter indicator  flashes in red and the message appears on the 
projected image for approximately 30 seconds.   
						

							Chapter 5 Maintenance — Troubleshooting
136 - ENGLISH
Troubleshooting
Review the following points. For details, see the corresponding pages.
ProblemsPoints to be checked Page
Power does not turn on.  
f Is the power plug firmly inserted into the outlet? ―
 
f Is the  switch set to ? 49
 
f Is the wall outlet supplying electricity? ―
 
f Have the circuit breakers tripped? ―
 
f Is the lamp indicator  or the temperature indicator  lit or flashing? 129
 
f Is the lamp cover attached securely? 133
No image appears.  
f Are connections to external devices correctly performed? 42
 
f Is the input selection setting correct? 53
 
f Is the [BRIGHTNESS] adjustment setting at a minimum? 65
 
f Is the external device that is connected to the projector working properly? ―
 
f Is the shutter function in use? 53
 
f If the power indicator  is flashing in red, consult your 
dealer. ―
 
f Is the lens cover still attached to the lens? 48
Image is fuzzy.  
f Is the lens focus set correctly? 51
 
f Is the projection distance appropriate? 34
 
f Is the lens dirty? 20
 
f Is the projector installed perpendicular to the screen? ―
Color is pale or grayish.  
f Is [COLOR] or [TINT] adjusted correctly? 65
 
f Is the external device connected to the projector adjusted correctly? 42
 
f Is the RGB cable damaged? ―
Audio is not output.  
f Is the external device connected correctly to the audio input terminal? 29
 
f Is [MUTE] in [AUDIO SETTING] set to [ON]? 95
 
f Is the audio input selection in [AUDIO SETTING] set correctly? 95
Audio is not output from 
the built-in speaker.  
f Is [BUILT-IN SP] in [AUDIO SETTING] set to [OFF]? 95
 
f Is the audio input selection in [AUDIO SETTING] set correctly? 95
Remote control does not 
respond.  
f Are the batteries depleted? ―
 
f Is the polarity of the batteries set correctly? 30
 
f Are there any obstructions between the remote control and the remote control 
signal receiver of the projector? 27
 
f Is the remote control being used beyond its effective operation range? 27
 
f Are other forms of light, such as fluorescent light, affecting the projection? 27
 
f Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to 
[DISABLE]? 108
 
f Is the  terminal used for contact control? 145
 
f Is the ID number setting operation correct? 30
 
f Is the cable that is connected to the  terminal connected to the 
remote control wired terminal? 31
Menu screen does not 
appear.  
f Is the on-screen display function turned off (hidden)? 81
Buttons on the control 
panel do not operate.  
f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to 
[DISABLE]? 108
 
f Is the  terminal used for contact control? 145
Image does not display 
correctly.  
f Is the [SYSTEM SELECTOR] selection set correctly? 68
 
f Is there a problem with the video tape or other image sources? ―
 
f Is a signal which is not compatible with the projector being input? 148
Image from a computer 
does not appear.  
f Is the cable too long? (For D-Sub cables, the cable length should be 10 m (32'10") 
or shorter.) ―
 
f Is the external video output on the laptop computer set correctly? (Ex.:  The 
external output settings may be switched by pressing “Fn” + “F3” or “Fn” + “F10” 
simultaneously. Since the method varies depending on the computer type, refer to 
the user manual provided with your computer.) ―
Image output from DVI-D 
of the computer does not 
appear.  
f Is the [DVI-D IN] setting [EDID3] or [EDID2:PC]? 80
 
f The graphics accelerator driver of the computer may need to be updated t\
o the 
latest version. ―
 
f The computer may need to be restarted after performing the [DVI-D IN] setting. 80   
						

							Chapter 5 Maintenance — Troubleshooting
ENGLISH - 137
ProblemsPoints to be checked Page
Video from HDMI 
compatible device does 
not appear or it appears 
jumbled.  
f Is the HDMI cable connected securely? 42
 
f Turn off and on the power of the projector and the external device. ―
 
f Is a signal which is not compatible with the projector being input? 148
Image output from 
DisplayPort of the 
computer does not appear.  
f If connecting the projector to a computer that uses an early-type chipset or graphics 
card compatible with DisplayPort, the projector or computer may not be operated 
properly. 150
 
f The graphics accelerator driver of the computer may need to be updated t\
o the 
latest version. ―
 
f Turn off and on the power of the projector and the external device. ―
 
f Is a signal which is not compatible with the projector being input? ―
The DIGITAL LINK input 
image or sound is not 
output.  
f Are the connections between the twisted-pair-cable transmitter and the projector or 
an external device correctly done? ―
 
f Is [DIGITAL LINK MODE] set to [AUTO] or [DIGITAL LINK]? Is it set to 
[ETHERNET]? 109
 
f Is a signal which is not compatible with a twisted-pair-cable transmitter being input? ―
Attention
 
f If problems persist even after checking the preceding points, consult your dealer .   
						

							138 - ENGLISH
Chapter 6 Appendix
This chapter describes specifications for the projector.   
						

							Chapter 6 Appendix — Technical information
ENGLISH - 139
Technical information
PJLink protocol
The network function of this projector supports the PJLink class 1, and \
the PJLink protocol can be used to perform projector setting and 
projector status query operations from a computer.
Control commands
The following table lists the PJLink protocol commands that can be used \
to control the projector. 
f x characters in tables are non-specific characters.
Command Control details Parameter/return string Remark
POWR Power supply control 0
Standby
1 Power on
POWR? Power supply status 
query 0
Standby
1 Power on
2 Preparing for switching off the projector
3 Warm-up
INPT Input selection 11
RGB1
12 RGB2
21 VIDEO
INPT? Input selection query 31
DVI-D
32 HDMI
33 DIGITAL LINK
34 DisplayPort
AVMT Shutter control
*130 Shutter function off (shutter open)
AVMT? Shutter status query 31 Shutter function on (shutter closed)
ERST? Error status query xxxxxx 1st byte
Indicates fan errors, and returns 
0 - 2.  
f 0 = No error is 
detected
 
f 1 = Warning
 
f 2 = Error
2nd byte
Indicates lamp errors, and 
returns 0 - 2.
3rd byte Indicates temperature errors, 
and returns 0 - 2.
4th byte Indicates cover open errors, 
and returns 0 or 2.
5th byte Indicates filter errors, and 
returns 0 - 2.
6th byte Indicates other errors, and 
returns 0 - 2.
LAMP? Lamp status query xxxxxx 1st digit (1 - 5 digits): Lamp runtime
2nd digit: 0 = Lamp off, 1 = Lamp on
INST? Input selection list query 11 12 21 31 32 33 34
NAME? Projector name query xxxxx Returns the name set in [PROJECTOR NAME] of [NETWORK 
SETUP].
INF1? Manufacturer name 
query Panasonic
Returns manufacturer name.
INF2? Model name query EZ770
EW730
EX800 Returns model name.
INF0? Other information 
queries xxxxx
Returns information such as version number.
CLSS? Class information query 1 Returns class for PJLink.
*1 When the [PROJECTOR SETUP] menu → [ECO MANAGEMENT]  → [SHUTTER DETECTION] is set to [ON], do not switch on/off in a short time.
PJLink security authentication
The password used for PJLink is the same as that of the password set for\
 web control.
When using the projector without security authentication, do not set a p\
assword for web control.
 
f For specifications related to PJLink, refer to the website of Japan Business Machine and Information System Industries  Association.
URL http://pjlink.jbmia.or.jp/english/   
						

							Chapter 6 Appendix — Technical information
140 - ENGLISH
Control commands via LAN
When web control administrator rights password is set (Protect mode)
Connecting
1)  Obtain the IP address and port number (Initial set value = 1024) of the projector and request for a 
connection to the projector.
 
f You can obtain both the IP address and the port number from the menu screen of the projector.
IP address
Obtain from the main menu → [NETWORK]  → [NETWORK STATUS]
Port number Obtain from the main menu → [NETWORK]  → [NETWORK CONTROL] → [COMMAND PORT]
2) Check the response from the projector.
Data section BlankModeBlankRandom number section Termination 
symbol
Command  example “NTCONTROL”
(ASCII string) ‘ ’
0x20 ‘1’
0x31 ‘ ’
0x20 “zzzzzzzz”
(ASCII code hex number) (CR)
0x0d
Data length 9 bytes1 byte1 byte1 byte 8 bytes 1 byte
 
f Mode: 1 = Protect mode
3)  Generate a 32-byte hash value from the following data using MD5 algorithm.
 
f “xxxxxx:yyyyy:zzzzzzzz”
xxxxxx Administrator rights user name for the web control (default user name is “admin1”)
yyyyy Password of above administrator rights user (default password is “panasonic”)
zzzzzzzz 8-byte random number obtained in Step  2)
Command transmission method
Transmit using the following command formats.
 
r Transmitted data
Header Data sectionTermination 
symbol
Command  example Hash value
(Refer to “Connecting” above) ‘0’
0x30 ‘0’
0x30 Control command
(ASCII string) (CR)
0x0d
Data length 32 bytes1 byte1 byte Undefined length 1 byte
 
r Received data
Header Data sectionTermination 
symbol
Command  example ‘0’
0x30 ‘0’
0x30 Control command
(ASCII string) (CR)
0x0d
Data length 1 byte 1 byteUndefined length 1 byte
 
r Error response
String DetailsTermination 
symbol
Message “ERR1”
Undefined control command
(CR)
0x0d
“ERR2”
Out of parameter range
“ERR3” Busy state or no-acceptable period
“ERR4” Timeout or no-acceptable period
“ERR5” Wrong data length
“ERRA” Password mismatch
Data length 4 bytes ―1 byte