Sim2 Multimedia HT305 installation manual Troubleshooting Guide

Models: HT305

1 37
Download 37 pages 16.74 Kb
Page 27
Image 27
11 TROUBLESHOOTING GUIDE

11 TROUBLESHOOTING GUIDE

No power (Green and red LED are OFF)

-Check the power switch at the rear: it must be in position I.

-Check if the power cable has been connected correctly to a working socket.

-Check the power socket fuse, at the rear of the projector.

-Replace the fuse on the mains socket with an identical type (T 3.15A H) (Fig. 2).

-Should the problem persist, seek authorised technical assi- stance.

The lamp is not coming on

-Allow a few minutes pause between switching off and turning on again (from stand-by). This will allow the lamp to cool down sufficiently.

-If the lamp doesn’t come on – even though the projector has had sufficient time to cool down – seek technical assistance from your nearest Dealer.

No image

-Check that the selected input is actually connected to a active video or graphic signal.

-Check that the above source actually works.

-Verify compatibility of video/graphic signals with the technical specifications of the projector.

-Check the integrity of cables used to connect various sour- ces.

-Check temperature of the room: it must be below 35°C (95°F)

-Check projector air vents on top and underneath the projector: they must be free of obstruction.

-If the problem persists, consult your Dealer.

Image is disturbed, unstable or noisy

-Verify compatibility of video/graphic signals with the technical specifications of the projector.

-Check the integrity of cables connecting projector to various sources.

-If the signal source is a terrestrial broadcast (via a VCR) check that the receiving channel has been correctly tuned in and

that the aerial system is in good working order.

-Should the problem be present with a signal coming from a video-recorder, ensure that the videotape is an Original “first generation” copy and in good condition.

-Adjust the VCR’s tracking control for optimum picture per- formance. Ensure the VCR mode is active in the Picture menu.

Incomplete image along borders (vertical and horizontal)

- Compare compatibility of video/graphic signals and techni- cal specifications of your projector.

-Press Auto (on your remote or keypad) to execute automatic adjustments.

-Adjust the horizontal and vertical position of projected image by selecting Position on the Image Adjustments menu.

-Adjust the width and height of image, selecting Aspect in the Image Adjustments menu.

Image too dark, too pale or unnaturally coloured

-Verify compatibility of video/graphic signals with technical specifications of your projector.

-Go to Picture menu, select and regulate any of the following, accordingly: Contrast, Brightness, Color, and Tint.

-If necessary, reset the Color Temperature and Gamma Correction (found on the Image Adjustments / Advanced Settings menu).

Graphic image with poor quality vertical detail

-Verify compatibility of video/graphic signals with technical specifications of your projector.

-Press Auto (on your remote or keypad) to execute automa- tic adjustments.

-Adjust Frequency and Phase parameters, found in the Image Adjustments menu, to optimise vertical detail of the projected image.

27

Page 27
Image 27
Sim2 Multimedia HT305 installation manual Troubleshooting Guide