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 fuse burned out?

• Turn off the main power switch, and

60

 

 

 

check the fuse. If it is burned out,

 

 

 

 

 

replace it.

 

 

 

 

• Is the lamp-replacement opening cover

• Turn off the MAIN POWER switch,

26, 62

 

closed correctly?

close the lamp-replacement opening

 

 

 

 

 

cover, and turn on the main power

 

 

 

 

 

switch again.

 

 

 

 

 

 

 

 

 

 

• Is the air filter closed correctly?

• Turn off the MAIN POWER switch, fit

26, 64

 

 

the air filter correctly, and turn on the

 

 

 

 

 

main power switch again.

 

 

 

 

 

 

 

 

 

 

• Has the lamp life expired? (Has the

• Turn off the MAIN POWER switch,

26, 61, 63

 

lamp use time reached 1000 hours?)

replace with a new light-source lamp,

 

 

 

 

 

and turn on the MAIN POWER switch.

 

 

 

 

 

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,

44

 

 

 

 

 

and if the lamp life is near its end,

 

 

 

 

 

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,

6, 8, 15, 26

operation starts but

blocked?

remove any blocking objects, and turn

 

 

 

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.

20

 

 

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

19

 

 

etc.) appropriate?

(scanning frequency, etc.).

 

 

 

 

 

 

 

Input the appropriate signal.

 

 

 

 

 

 

 

 

 

 

Is the source setting correctly selected?

• Set the source setting to AUTO, or to

47, 49, 54

 

Isn’t the wrong source (forced mode) or

the correct dedicated source (forced

 

 

 

 

channel selected?

mode) or channel.

 

 

 

 

 

 

 

 

 

 

• Is brightness adjusted correctly?

• Adjust brightness on the menu.

40

 

 

• 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

29

 

 

pressing the remote control’s AV

button to turn video and audio on.

 

 

 

 

 

 

MUTING button?

 

 

 

 

 

 

 

 

 

 

While playing video,

• Weve adjustments performed correctly

• To have installation adjustments

 

 

 

image is sometimes

during installation?(Have you added

performed, ask the dealer where your

 

 

 

disturbed.

any new device after installation

projector or service senter.

 

 

 

 

adjustments?)

 

 

 

 

 

 

 

 

 

 

Video image dims.

• Is focus adjusted correctly?

• Adjust focus with the remote control’s

28

 

 

 

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

32, 38

 

correctly?

menu.

 

 

 

 

 

 

 

 

 

 

(To be continued on the next page)

ENGLISH

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Page 66
Image 66
JVC DLA-G20U manual Troubleshooting

DLA-G20U specifications

The JVC DLA-G20U is a high-performance professional D-ILA projector designed for serious cinema enthusiasts and commercial applications. Renowned for its exceptional picture quality and advanced technology, it boasts a host of features that cater to the most discerning users.

At the heart of the DLA-G20U is its D-ILA (Direct Drive Image Light Amplifier) technology, which is known for producing stunningly accurate color reproduction and extraordinary contrast. This projector incorporates a native resolution of 1920 x 1080 pixels, allowing for full HD viewing that captures every detail with remarkable clarity. The D-ILA panels are also designed to minimize motion blur, providing smooth and fluid visuals for fast-paced action sequences.

One of the standout characteristics of the DLA-G20U is its impressive contrast ratio, which typically exceeds 50,000:1. This high contrast allows for deep blacks and bright whites, enhancing the overall viewing experience by ensuring that subtle details in dark scenes are easily discernible. The projector features sophisticated native 4K upscaling, enabling it to enhance lower resolution content for a sharper, more detailed image, making it versatile for various media types.

Additionally, the DLA-G20U is designed with a robust optical system that includes a high-quality glass lens with a large aperture. This ensures excellent brightness and uniformity across the screen. The projector delivers up to 1500 lumens of brightness, making it suitable for both dark and moderately lit environments.

The connectivity options of the DLA-G20U are impressive, featuring multiple HDMI inputs and additional support for 3D HDMI, which allows it to easily integrate into a range of setups.

For user convenience, the DLA-G20U includes an intuitive on-screen menu system and features customizable settings, allowing users to fine-tune picture quality based on their specific preferences and room conditions.

In terms of maintenance, the projector boasts a long lamp life, reducing the need for frequent replacements. Its sleek design also fits seamlessly into any home theater or commercial space.

Overall, the JVC DLA-G20U stands out as a top-tier D-ILA projector, combining cutting-edge technology, superior image quality, and user-friendly features, making it an exceptional choice for those seeking a premium viewing experience.