JVC Projector Dla Hd1 Instructions Manual

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Getting Started Preparation Basic Operation SettingsTroubleshootingOthers
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About Warning Indicators
The accumulated lamp time or warning mode of this unit is displayed by the indicators.
For information on indicator display during normal operation, see AControls and FeaturesB(pP14).
When the unit enters into warning mode (No. 3 to 10), it will automatically stop projection and run the cooling fan for 
about 60 seconds.
After the cooling fan has stopped, pull out the power plug from the power...

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5Troubleshooting
Replacing the Lamp
ARemove the lamp cover
BLoosen the screws on the lamp unit
CPull out the lamp unit
The lamp is a consumable item. If the image is dark or the lamp is turned off, replace the lamp unit.
z
When the lamp replacement time approaches, a message is displayed on the screen and the condition is indicated by the 
indicator. (pP40, 41)
Procedure for Lamp Replacement
zRemove the screws with a + screwdriver.
zLoosen the screws with a + screwdriver.
zGrasp the handle and pull...

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DInstall the new lamp unit
ETighten the screws of the lamp unit
FAttach the lamp cover
zFasten the screws with a + screwdriver.
zInsert the top part (with 2 claws) of the lamp cover into the unit.
zFasten the screws with a + screwdriver.
zUse only genuine replacement 
parts for the lamp unit. Also, never 
attempt to re-use an old lamp unit. 
This may cause a malfunction.
zDo not touch the surface of a new 
lamp. This may...

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Replacing the Lamp (Continued)
5Troubleshooting
After installing a new lamp unit, reset the lamp time.
AInsert the power plug to the power outlet
BReset lamp time
Resetting Lamp Time
zThe [LAMP] indicator and [STANDBY/ON] indicator blink alternately for 3 
seconds. After that, the unit switches to standby mode.
zReset the lamp time only when you 
have replaced the lamp.
zNever reset it when the lamp is still 
in use. Otherwise, the approximate 
standard for gauging replacement 
time may be inaccurate...

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Cleaning and Replacing the Filter
ARemove the inner filter
BClean the filter
CReinstall the inner filter
Clean the filter regularly or air intake efficiency may deteriorate and malfunction may occur.
zWash the filter with water and dry it in a shaded area.
zIn extremely soiled cases, use of a neutral detergent is recommended.
Put on rubber gloves when using a neutral detergent.
zAfter washing the filter with water, make...

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Others
RS-232C Interface
Control of this unit via a computer is possible by connecting the computer to this unit with a RS-232C cross 
cable (D-Sub 9 pin).
The command between this unit and the computer consists of AHeaderB, AUnit IDB, ACommandB, ADataB and AEndB.
z
Header (1 byte), Unit ID (2 bytes), Command (2 bytes), Data (n bytes), End (1 byte)
„Header
This binary code indicates the start of communication.
„Unit ID
This code specifies the unit. The binary code is fixed at A8901B.
RS-232C...

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„Command and data
Operating command and data (Binary code)
Reference command and data (Binary code)
„End
This code indicates the end of communication. The binary code is fixed at A0AB.
CommandTypeData description
0000 Connection checkChecks whether communication is available between this unit and 
the PC during standby.
5057 Power supplyDuring standby
31: Turns on the power.
During power on
30: Turns off the power....

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RS-232C Interface (Continued)
6Others
„
Remote control code
zBinary code is sent during communication.
Remote control button 
nameBinary codeRemote control button 
nameBinary code
J37 33 30 31 USER1 37 33 36 43
K37 33 30 32 USER2 37 33 36 44
EXIT 37 33 30 33 USER3 37 33 36 45
OPERATE ON 37 33 30 35 HDMI 1 37 33 37 30
OPERATE OFF 37333036 HDMI 2 37333731
HIDE 37 33 31 44 INFO 37 33 37 34
MENU 37 33 32 45 GAMMA 37 33 37 35
ENTER 37 33 32 46 COLOR TEMP 37 33 37 36
I37 33 33 34 ASPECT 37 33 37 37
H37 33...

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This section shows the communication examples of RS-232C.
„
Operating command
„Reference command
RS-232C Communication Examples
TypeCommandDescription
Connection checkPCThis unit: 21 89 01 00 00 0A
This unitPC: 06 89 01 00 00 0AChecks connection
Power (On)PCThis unit: 21 89 01 50 57 31 0A
This unitPC: 06 89 01 50 57 0AWhen power is turned on from standby mode
Power (Off)PCThis unit: 21 89 01 50 57 30 0A
This...

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Others
Copyright and Caution
zHDMI, HDMI logo and high definition multimedia interface 
are trademarks or registered trademarks of HDMI 
Licensing LCC.zThis product uses Ricoh TrueType fonts manufactured 
and sold by Ricoh Co., Ltd.
D-ILA Device Characteristics
Do not project still pictures or pictures that have still 
segments for a long period of time. The still parts of the 
picture may remain on the screen. This is a characteristic of 
D-ILA devices and not a malfunction. The picture will...