JVC G1000 manual Troubleshooting

Page 52

Troubleshooting

Solutions to common problems related to your projector are described here. If none of the solutions presented here solves the problem, unplug the projector and consult a authorized dealer or service center.

Symptom

Probable cause

Corrective action

Page

Power is not supplied.

• Is the power cord disconnected?

• Insert the power cord (plug) firmly.

24

 

 

 

 

 

• Is the main power switch turned on?

• Turn on the MAIN POWER switch.

26

 

 

 

 

 

• Is the lamp-replacement opening cover

• Turn off the MAIN POWER switch,

 

 

closed correctly?

close the lamp-replacement opening

26, 48

 

 

cover, and turn on the main power

 

 

 

 

 

switch again.

 

 

 

 

 

 

• Is the air filter closed correctly?

• Turn off the MAIN POWER switch, fit

 

 

 

the air filter correctly, and turn on the

26, 51

 

 

main power switch again.

 

 

 

 

 

 

• Has the lamp life expired? (Has the

• Turn off the MAIN POWER switch,

 

 

lamp use time reached 1000 hours?)

replace with a new light-source lamp,

 

 

 

and turn on the MAIN POWER switch.

26, 48, 50

 

 

Reset the lamp use time after replacing

 

 

 

with a new lamp.

 

 

 

 

 

Light is not emitted,

• Is the lens cap removed?

• Remove the lens cap.

24

or light level is low.

 

 

 

• Is the lamp life near its end?

• Check the lamp use time on the menu,

 

 

 

 

 

and if the lamp life is near its end,

43

 

 

arrange for a replacement lamp, or

 

 

 

 

 

replace a little earlier.

 

 

 

 

 

With power on,

• Is the air intake or exhaust area

• Turn off the MAIN POWER switch,

 

operation starts but

blocked?

remove any blocking objects, and turn

6, 8, 15, 26

stops in a few minutes.

 

on the MAIN POWER switch again.

 

 

 

 

 

Video image does not

• Is the correct input selected?

• Select the correct inputs with the

27

appear, or audio

 

VIDEO and COMPUTER buttons.

 

 

sound does not occur.

 

 

 

• Are connected devices connected

• Connect connected devices correctly.

19

 

correctly?

 

 

 

 

 

 

 

 

 

• Are signals being supplied from the

• Set connected devices correctly.

–––

 

connected devices?

 

 

 

 

 

 

 

 

 

• Are input signals (scanning frequency,

• Check if the signal is correct as input

 

 

etc.) appropriate?

(scanning frequency, etc.).

19

 

 

Input the appropriate signal.

 

 

 

 

 

 

• Is the source setting correctly selected?

• Set the source setting to AUTO or to

 

 

Isn’t a wrong source (forced mode)

the correct dedicated source (forced

46, 47

 

selected?

mode).

 

 

 

 

 

 

• Is brightness adjusted correctly?

• Adjust brightness on the menu.

39

 

 

 

 

 

• Is volume set at minimum?

• Adjust volume with the remote control’s

28

 

 

VOL. (+/–) buttons.

 

 

 

 

 

 

 

 

• Aren’t video and audio turned off by

• Press the remote control’s AV MUTING

 

 

pressing the remote control’s AV

button to turn video and audio on.

29

 

MUTING button?

 

 

 

 

 

 

Video image dims.

• Is focus adjusted correctly?

• Adjust focus with the remote control’s

28, 31

 

 

FOCUS (+/–) buttons.

 

 

 

 

 

 

 

 

• Is distance too short or too long?

• Set the projector at the correct

16, 17

 

 

distance.

 

 

 

 

 

 

 

 

• Are TRACKING and PHASE adjusted

• Adjust TRACKING and PHASE on the

31, 37

 

correctly?

menu.

 

 

 

 

 

 

Color is poor or

• Is picture quality (color density, etc.)

• Adjust picture quality on the menu.

39

unstable.

adjusted correctly?

 

 

 

 

 

 

 

 

• Is the correct broadcast system (color

• Set the broadcast system (color

35

 

system) selected?

system) to AUTO.

 

 

 

 

 

 

• Are signals (scanning frequency, etc.) to

• Check if the signal is appropriate

 

 

connected devices appropriate?

(scanning frequency, etc.), and input

19

 

 

the appropriate signal.

 

 

 

 

 

 

• Is the source setting correctly selected?

• Set the source setting to AUTO. If the

 

 

Isn’t a wrong source (forced mode)

problem still persists, set it to the

46

 

selected?

correct dedicated source (forced

 

 

 

 

mode).

 

 

 

 

 

52

G1000[D] p.46-59

52

99.2.24, 5:52 PM

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Contents G1000 Safety Precautions About burning-in of the D-ILA deviceSafety Precautions Lighters that present special hazards when over heatedLamp is turned on. Exposure of your eyes to the strong Xenon gas is enclosed with high pressure inside the lightContents Accessories Controls and Features Front Side / Top Surface / Right SideAC in power input terminal Main Power switchConnector panel Adjustable foot for horizontal angle adjustmentRefer to Precautions for Installation on Bottom SurfaceAir intake area filter Opening for replacing the light-source lampControl Panel Setting button When a menu is shownVideo button Computer buttonConnector Panel C S video input terminal Mini DIN 4 pinRS-232C terminal D-sub 9 pin Computer OUT computer output terminal D-sub 3-row 15 pinInput of external sync signals is automatically detected Audio input terminal stereo mini jackRow 15 pin Audio audio input terminal stereo mini jackRemote Control Unit Installing Batteries Install the batteriesPrecautions for using batteries Open the back coverInstalling the Projector Precautions for InstallationDo not install the projector in the following places When installing the projector, observe the followingsProjection Distance and Screen Size Projection screen size diagonal lengthCenter line of the lens Projection55.76 ft 17.0 m 294 Approx cm 443 59.04 ft 18.0 m 311 Approx cm 46962.32 ft 19.0 m 328 Approx cm 495 65.6 ft 20.0 m 345 Approx cm 521Effective range and distance of the remote control unit Effective Range and Distance of the Remote Control UnitUse the projector with A+B about 10 m 32.8 ft or less Connecting to Various Devices Signals that Can Be Input to the ProjectorVideo signals Computer signalsConnecting to Video Devices Connecting to Hi-Vision DevicesVideo devices Hi-Vision devicesConnecting to Other Devices Connecting to Devices which Control the ProjectorDesktop type To Audio OUTConnecting to Computer Devices Connection to an IBM PC or IBM-compatible computerRead the manual which comes with each device thoroughly RGB output devices To RConnection to Macintosh To monitor connector SuppliedPersonal computer connection cable Connecting the Power Cord Supplied To use the projectorRemove the lens cap To prevent fire and electric shock, observe the followingWhen Turning On the Devices Connected to the Projector Turning on the Power Turn on the Main Power switchBasic Operations Changes to steady onAdjust the screen size When you press VideoWhen you press Computer FollowsAdjust focus Adjust sound volumeAdjust focus with the remote control’s Focus + ButtonsTo turn off video image and audio sound temporarily To use the quick alignment functionProjector’s button Press onceRemote control unit To display the Setting menu To use the remote control’s Preset buttonProjector button To display the Main menuOperating the Setting Menu Making Basic SettingsPress the Setting button of the projector Press the Setting button to select the desired itemOperating the Main Menu Configuration of the Main Menu Computer-related input Operating the Main Menu Basic Operation of the Main Menu Changing the Color System Select Decoder with the cursor button 5 orSet the color system with the cursor button 2 or To finish the main menu, press the page Back buttonChanging the Language Display Set the desired language with the cursor button 2 orLanguage display About language displayAdjust Tracking and Phase with the cursor buttons Adjusting the Pixel ClockButton Adjustment content Adjust H. POS. and V. POS. with the cursor buttons Adjusting the Screen PositionSelect Position with the cursor button 5 or Adjusting Picture Quality Select the item to adjust with the cursor button 5 orWhen AV signals are input When computer-related signals are inputSubmenu items For video system inputFor computer system input Picture menuSets a mode which allows easy Adjustment values 0, text30 ← 0 ← +30 Gets brighter 30 → 0 → +30 Gets lower 30 ← 0 ← +30 Gets higher 30 → 0 → +30 Gets less reddishAdjusting Sound Quality Adjust Treble and Bass with the cursor buttonsSelect the Sound with the cursor Button 5 orSetting and Adjusting Other Functions Options Select the item to set adjust with the cursor button 5 orFollowing optional functions can be set adjusted Select the Options with the cursor button 5 orSet adjust the desired item with the cursor button 2 or Options menuAspect Changing Setting the Source Select a submenu item Source using the cursor button 5 orSelect the item to set using the cursor buttons 5/ or 2/3 Source item shown in text is indicated in magenta colorWhen Auto is selected When other than Auto is selectedPress the MENU/ENTER button to set fix it Submenu itemReplacing the Light-Source Lamp Loosen the two screws with a flat-end screwdriver Replace the lamp-replacement Insert the new lamp unit fully inside and fasten the screws Opening cover and fasten ScrewsResetting the Lamp Use Time Turn on the Main Power switch to go into stand-by modeProjector’s button At the same time for six seconds or moreCleaning and Replacing the Filter Turn off the Main Power switchClean the filter Reinstall the filterTroubleshooting Maintenance AV in AV in input SpecificationsComputer in Computer input Other Outside dimensions DTV-format signalsTop FrontPin assignment Specifications for terminals TerminalRS-232C terminal Computer IN-1 PC / Computer OUT TerminalG1000D p.46-59 99.2.24, 552 PM English
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