Panasonic Projector PT-EW640 User Manual

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 131) 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\...

Chapter 5 Maintenance — Maintenance/replacement
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 fIf 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. 1Fig. 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.
 fWait at least one hour and check if the lamp unit has cooled down.
2) Remove the lamp cover. (Fig. 1)
 fUse a Phillips screwdriver to...

Chapter 5 Maintenance — Maintenance/replacement
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Note
 fIf 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
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Troubleshooting
Review the following points. For details, see the corresponding pages.
ProblemsPoints to be checkedPage
Power does not turn on.
 fIs the power plug firmly inserted into the outlet?―
 fIs the  switch set to ?48
 fIs the wall outlet supplying electricity?―
 fHave the circuit breakers tripped?―
 fIs the lamp indicator  or the temperature indicator  lit or flashing?127
 fIs the lamp cover attached securely?131
No image appears.
 fAre...

Chapter 5 Maintenance — Troubleshooting
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ProblemsPoints to be checkedPage
Video from HDMI compatible device does not appear or it appears jumbled.
 fIs the HDMI cable connected securely?39
 fTurn off and on the power of the projector and the external device.―
 fIs a signal which is not compatible with the projector being input?146
Image output from DisplayPort of the computer does not appear. *1
 fIf connecting the projector to a computer that uses an early-type chipset or graphics card...

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Chapter 6 Appendix
This chapter describes specifications for the projector.   

Chapter 6 Appendix — Technical information
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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.
 fx characters in tables are non-specific characters.
CommandControl detailsParameter/return stringRemark...

Chapter 6 Appendix — Technical information
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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.
 fFor specifications related to PJLink, refer to the website of Japan Business Machine and Information System Industries Association.
URL http://pjlink.jbmia.or.jp/english/
Control commands via LAN
When web control administrator...

Chapter 6 Appendix — Technical information
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 rError response
StringDetailsTermination 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 length4 bytes―1 byte
When web control administrator rights password is not set (Non-protect mode)
Connecting
1) Obtain the IP address and port number (Initial set value = 1024) of the projector...

Chapter 6 Appendix — Technical information
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 terminal
The  terminal of the projector conforms with RS-232C so that the projector can be connected to and controlled from a computer.
Connection
LAN cable (straight)
Communication cable (straight)
D-Sub 9p (male)
D-Sub 9p (female)
DIGITAL LINK
DIGITAL LINK Computer
DIGITAL LINK compatible device
Projector connecting terminals
When connecting with DIGITAL LINK compatible devices
Communication cable (straight)
D-Sub 9p (male) D-Sub 9p (female)...