Nformation, Maintenance 5 glossary 5, Cabinet cleaning – Sylvania LD200SL9 User Manual
Page 45: Servicing, Panel cleaning, If the laser optical pickup unit is dirty, Disc handling, Ir signal check

45
EN
WATCHING TV
OPTIONAL SETTING
OPERATING DVD
INTRODUCTION
CONNECTION
INITIAL SETTING
DVD SETTING
INFORMATION
TROUBLESHOOTING
I
NFORMATION
ATSC
Acronym that stands for Advanced Television 
Systems Committee and the name of the 
digital broadcasting standards.
Aspect ratio
The width of a TV screen relative to its 
height. Conventional TVs are 4:3 (in 
other words, the screen is almost square); 
widescreen models are 16:9 (the screen is 
almost twice as wide as its height).
Component Video
This is a video signal format that conveys 
each of 3 principal colors of light (red, 
blue and green) through different signal 
lines. This allows the viewers to experience 
picture colors as original as it is. There are 
several signal formats, including Y / Pb / Pr 
and Y / Cb / Cr.
Dolby Digital
The system developed by Dolby Labora-
tories to compress digital sound. It offers 
stereo sound (2ch) or multi-channel audio.
EDTV (enhanced definition TV)
Enhanced digital format that takes 480-line 
progressive signal.
HDTV (high definition TV)
Ultimate digital format that produces high 
resolution and high picture quality.
NTSC
Acronym that stands for National Television 
Systems Committee and the name of the 
current analog broadcasting standards.
Password
A stored 4-digit number that allows access 
to parental control features.
Region Code
Regions associate discs and players with 
particular areas of the world. this unit will 
only play back discs that have compatible 
region codes. You can find the region code 
of your unit by looking on the rear panel. 
Some discs are compatible with more than 
one region (or all regions).
SAP (secondary audio program)
Second-audio channel delivered sepa-
rately from main-audio channel. This audio 
channel is used as an alternate in bilingual 
broadcasting.
SDTV (standard definition TV)
Standard digital format that is similar to the 
NTSC picture quality.
S-video
Offers higher quality images by deliver-
ing each signal, color (c) and luminance 
(y) independently of each other through 
separate cables.
Cabinet Cleaning
• Wipe the front panel and other exterior surfaces of the unit with a soft
cloth immersed in lukewarm water and wrung dry.
• Never use a solvent or alcohol. Do not spray insecticide liquid near the unit.
Such chemicals may cause damage and discoloration to the exposed surfaces.
Servicing
Should your unit become inoperative, do not try to correct the problem 
yourself. There are no user serviceable parts inside. Turn off the unit, 
unplug the power cord and call our toll free customer support line found on 
the cover of this manual to locate an authorized service center.
Panel Cleaning
Wipe the panel with a soft cloth. Before cleaning the panel, disconnect the 
power cord.
If the Laser Optical Pickup Unit is Dirty
• If the unit still does not perform properly when it is operated, while
referring to the relevant sections and to "Troubleshooting Guide" in this 
owner’s manual, the laser optical pickup unit may be dirty. Consult your 
dealer or an Authorized Service Center for inspection and cleaning of the 
laser optical pickup unit.
Disc Handling
• Handle the discs so that fi ngerprints and dust do not adhere to the
surfaces of the discs.
• Always store the disc in its protective case when it is not used.
• To clean-off , use a soft cloth.
• Do not use a hard cloth since this will mar the disc.
• Wipe the disc in a straight line from center to edge.
• Never wipe with a circular motion.
• Do not use detergent or abrasive cleaning agents.
IR Signal Check
If the remote control is not working properly, you can use an AM radio or 
digital camera (including a cellular phone with built-in camera) to see if it 
is sending out an infrared signal.
• With an AM radio:
Tune the AM radio station to a non-broadcasting 
frequency. Point the remote control towards it, 
push any button and listen. If the sound from 
the radio fl utters, it is receiving the remote 
control’s infrared signal.
• With a digital camera
(including built-in cell phone cameras)
Point a digital camera towards the remote control. 
Push any button on the remote control and look 
through the digital camera. If the infrared light 
appears through the camera, the remote control is 
working.
Maintenance
5
Glossary
5
