Important Safeguards; Precautions; Notes On Discs - Toshiba 20HLV16 Service Manual

Lcd tv/dvd combination
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IMPORTANT SAFEGUARDS

Important Safety Instructions
1)
Read these instructions.
2)
Keep these instructions.
3)
Heed all warnings.
4)
Follow all instructions.
5)
Do not use this apparatus near water.
6)
Clean only with dry cloth.
7)
Do not block any ventilation openings. Install in
accordance with the manufacturer's instructions.
8)
Do not install near any heat sources such as
radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9)
Do not defeat the safety purpose of the polarized
or grounding type plug. A polarized plug has two
blades with one wider than the other. A grounding type
plug has two blades and a third grounding prong.
The wide blade or the third prong
Wide plug
are provided for your safety. If the
provided plug does not fit into your
outlet, consult an electrician for
replacement of the obsolete outlet.
10) Protect the power cord from being
walked on or pinched, particularly at
plugs, convenience receptacles, and
the point where they exit from the
apparatus.
11) Only use attachments/accessories specified by the
manufacturer.
12) Use only with the cart, stand, tripod,
bracket, or table specified by the
manufacturer, or sold with the
apparatus. When a cart is used, use
caution when moving the cart/apparatus
combination to avoid injury from tip-
over.
13) Unplug this apparatus during
lightning storms or when unused
for long periods of time.
14) Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug
is damaged, liquid has been spilled or objects have
fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally,
or has been dropped.
14a)CAUTION: If the TV is dropped and the cabinet or
enclosure surface has been damaged or the TV does
not operate normally, take the following precautions:
• ALWAYS turn off the TV and unplug the power cord
to avoid possible electric shock or fire.
• To prevent personal injury, never handle the damaged
television.
• ALWAYS contact a service technician to inspect the
TV any time it has been damaged or dropped.
15) The apparatus shall not be exposed to dripping or
splashing and that no objects filled with liquids, such as
vases, shall be placed on the apparatus.

Precautions

Important notes about your LCD TV
The following symptoms are technical limitations of
LCD Display technology and are not an indication of
malfunction. Therefore, Toshiba is not responsible for
perceived defects resulting from these symptoms.
1) An afterimage (ghost) may appear on the screen if a
fixed, nonmoving image is displayed for a long period of
time. The afterimage is not permanent and will
disappear in a short period of time.
2) The LCD panel contained in this TV is manufactured using
an extremely high level of precision technology; however,
there may be an occasional pixel (dot of light) that does
not operate properly (does not light, remains constantly
lit, etc.). This is a structural property of LCD technology,
is not a sign of malfunction, and is not covered under your
warranty. Such pixels are not visible when the picture is
viewed from a normal viewing distance.
Note: Interactive video games that involve shooting a
"gun" type of joystick at an on-screen target may not
work on this TV.
Notes on handling
■ Do not subject the LCD panel to physical shock, such as
dropping it. It may cause unit damage and malfunction.
■ When shipping the unit, the original shipping carton and
packing materials come in handy. For fully protection,
repack the unit as it was originally packed at the factory.
■ Do not use volatile liquids, such as insecticide, near the
unit. Do not leave rubber or plastic products in contact
with the unit for prolonged periods of time. Doing so will
leave marks on the finish.
■ The top and rear panels of the unit may become warm
after a long period of use. This is not a malfunction.
■ When the unit is not in use, always remove the disc and
turn off the power.
■ If you do not use the unit for a long period, the unit may
not function properly in the future. Turn on and use the
unit occasionally.
Notes on locating the unit
■ When you place this unit near a TV, radio, or VCR, the
playback picture may become poor and the sound may
be distorted. In this case, place the unit away from the
TV, radio, or VCR.
■ To avoid damage to this product, never place or store
the TV/DVD in direct sunlight; hot, humid areas; or areas
subject to excessive dust or vibration.
Installation, Care, and Service
Installation
Follow these recommendations and precautions and heed all
warnings when installing your TV:
16) Never modify this equipment. Changes or modifications
may void: a) the warranty, and b) the user's authority to
operate this equipment under the rules of the Federal
Communications Commission.
17)
DANGER: RISK OF SERIOUS
PERSONAL INJURY, DEATH, OR
EQUIPMENT DAMAGE! Never place the TV
on an unstable cart, stand, or
table. The TV may fall, causing serious
personal injury, death, or serious damage to
the TV.
18) Never place items such as vases, aquariums, or candles
on top of the TV.
19) Always place the
Sturdy tie (as short as possible)
TV on the floor or
Clip
a sturdy, level,
Hooks
stable surface
that can support
Screw
the weight of the
unit. Use a sturdy
Band
TV side
TV top
tie between the
TV's rear hook and the rear wall, pillar, etc., to secure
the TV. If you use a TV stand, fix the TV by using the
attached band.
20) Never expose the apparatus to dripping or splashing
liquid or place items such as vases, aquariums, any
other item filled with liquid, or candles on top of the TV.
21) Never block or cover the slots or
openings in the TV cabinet back,
bottom, and sides.
Never place the TV:
• on a bed, sofa, rug, or imilar
surface;
• too close to drapes, curtains, or walls; or
• in a confined space such as a bookcase, built-in
cabinet, or any other place with poor ventilation.
The slots and openings are provided to protect the TV
from overheating and to help maintain reliable operation
of the TV. Leave a space of at least 4 inches around the TV.
22) Always place the back of the television at least one (1)
inch away from any vertical surface (such as a wall) to
allow proper ventilation.
23) Never allow anything to rest on or roll over the power
cord, and never place the TV where the power cord is
subject to wear or abuse.
24) Never overload wall outlets and extension cords.
25) Always operate the TV with a 120V AC, 60Hz power
source only.
CAUTION: To reduce the risk of electric shock, do not
use the polarized plug with an extension cord, receptacle, or
other outlet unless the blades can be inserted completely
with three-wire grounding type to prevent blade exposure.
4
Notes on moisture condensation
Moisture condensation damages the unit. Please read
the following carefully.
Moisture condensation occurs, for example, when you
pour a cold drink into a glass on a warm day and drops of
water form on the outside of the glass. In the same way,
moisture may condense on this unit's internal optical pick-
up lens, one of the most crucial internal parts of the unit.
Optical pick-up
lens
■ Moisture condensation may occur in the following
situations:
• When you move the unit from a cold area to a warm
area.
• When you use the unit in a room in which the heat was
just turned on.
• When you use the unit in an area where cold air from an
air conditioner directly hits the unit.
• When you use the unit in a humid area.
■ Never use the unit when moisture condensation may
occur.
Using the unit when moisture condensation exists may
damage discs and internal parts. Remove the disc,
connect the power cord of the unit to the wall outlet, turn
on the unit, and leave it for two or three hours. After two
or three hours, the unit will have warmed up and
evaporated any moisture. Keep the unit connected to the
wall outlet and moisture condensation will seldom occur.
Wall outlet
Note on cleaning
Use a soft, dry cloth for cleaning.
Do not use any type of solvent, such as thinner and
benzine, as they may damage the surface of the unit.
6
Installation
(cont. from previous page)
26) Always make sure the antenna system is properly
grounded to provide adequate protection against voltage
surges and built-up static charges (see Section 810 of
the National Electric Code.)
Antenna
lead-in wire
Ground clamp
Antenna discharge unit
(NEC Section 810-20)
Electric service
Grounding conductors
equipment
(NEC Section 810-21)
Ground clamps
Power service grounding
electrode system
(NEC Art 250 Part H)
27)
DANGER: RISK OF SERIOUS
PERSONAL INJURY OR DEATH!
• Use extreme care to make sure you are never
in a position where your body (or any item you are in
contact with, such as a ladder or screw-
driver) can accidentally touch overhead
power lines. Never locate the antenna
near overhead power lines or other
electrical circuits.
• Never attempt to install any of the following during
lightning activity: a) an antenna system; or b) cables,
wires, or any home theater component connected to
an antenna or phone system.
Care
For better performance and safer operation of your TOSHIBA
TV, follow these recommendations and precautions:
28) Always unplug the TV before
cleaning.
Wipe the display panel surface
gently using only the supplied
wiping cloth or a soft cloth (cotton,
flannel, etc.) A hard cloth may
damage the surface of the panel.
Avoid contact with alcohol, thinner,
benzene, acidic or and alkaline solvent cleaners, abrasive
cleaners, or chemical cloths, as the surface may be
impaired.
29)
WARNING: RISK OF ELECTRIC SHOCK!
Never spill liquids or push objects of any
kind into the TV cabinet slots.
30) While it is thundering, do not touch the connecting
cables or apparatus.
31) For added protection of your TV from lightning and
power surges, always unplug the power cord and
disconnect the antenna from the TV if you leave the TV
unattended or unused for long periods of time.
32) During normal use, the TV may make occasional snap-
ping or popping sounds. This is normal, especially when
the unit is being turned on or off. If these sounds become
frequent or continuous, unplug the power cord and
contact a Toshiba Authorized Service Center.

Notes on discs

On handling discs
• Do not touch the playback side of the disc.
For example, handle the disc so that it is shown in
figure below.
Playback side
• Do not attach paper or tape to discs.
On cleaning discs
• Fingerprints and dust on the disc cause picture and sound
deterioration. Wipe the disc from the center outwards with
a soft cloth. Always keep the disc clean.
• Do not use any type of solvent such as thinner, benzine,
commercially available cleaners or antistatic spray for vinyl
LPs. It may damage the disc.
On storing discs
• Do not store discs in a place subject to direct sunlight or
near heat sources.
• Do not store discs in places subject to moisture and
dust such as a bathroom or near a humidifier.
• Store discs vertically in a case. Stacking or placing
objects on discs outside of their case may cause
warping.
Care
(cont. from previous column)
33) Possible Adverse Effects on TV display If a fixed
(non-moving) pattern or image remains on the TV display
for extended periods of time, the image can become
permanently ingrained in the display of the TV and cause
subtle but permanent ghost images.
This type of damage is NOT COVERED BY YOUR
WARRANTY.
Never leave the TV on for extended periods of time while
it is displaying the following images or formats:
• Fixed (non-moving) images, including but not
limited to PIP/POP windows, closed captions, video
game patterns, TV station logos, stock tickers, and
websites.
• Special formats that do not use the entire screen,
including but not limited to
widescreen or letterbox
format media viewed on a 4:3
aspect ratio display (with gray or
black bars at the top and bottom
of the screen) and 4:3 aspect
ratio format media viewed on a widescreen/16:9
aspect ratio display (with gray or black bars on the left
and right sides of the screen.)
34) Keep your fingers well clear of the disc slot as it is
closing. Failure to do so may cause serious personal
injury.
35) When you use headphones, keep the volume at a
moderate level. Using headphones continuously at a high
volume may cause hearing damage.
36) Do not look into the opening of the disc slot or ventila-
tion opening of the product to see the source of the laser
beam. Doing so may cause sight damage.
37) Do not use a cracked, deformed, or repaired disc. These
discs are easily broken and may cause serious personal
injury and product malfunction.
38) Do not press on or jolt the LCD panel. Doing so may
cause the LCD panel glass to break and injury may
occur. Should the LCD panel be broken and liquid leaks
out, do not inhale or swallow it. Doing so may cause
poisoning. If you have got it into your mouth, wash it out
and consult your doctor. If your hands or clothes have
touched it, wipe them with alcohol and a cleaning cloth
and then wash them well.
Service
39)
WARNING: RISK OF ELECTRIC SHOCK!
Never attempt to service the TV yourself.
Opening and removing the covers may
expose you to dangerous voltage or other hazards. Refer
all servicing to a Toshiba Authorized Service Center.
40) If you have the TV serviced:
• Ask the service technician to use only replacement
parts specified by the manufacturer.
• Upon completion of service, ask the service technician
to perform routine safety checks to determine that the
TV is in safe operating condition.
41) When the TV reaches the end of its useful life, ask a
qualified service technician to properly dispose of the TV.
5
Structure of disc contents
Normally, DVD video discs are divided into titles, and the
titles are sub-divided into chapters. Video CDs and Audio
CDs are divided into tracks.
DVD video disc
DVD video disc
Title 1
Title 2
Chapter 1
Chapter 2
Chapter 1
Chapter 2
Chapter 3
Video CD/Audio CD
Video CD/Audio CD
Track 1
Track 2
Track 3
Track 4
Track 5
Each title, chapter or track is assigned a number, which is
called "title number", "chapter number" or "track number"
respectively.
Some discs may not have these numbers.
Notes on copyright
The unauthorized recording, use, distribution, or
revision of television programs, video tapes, DVDs,
and other materials is prohibited under the Copyright
Laws of the United States and other countries, and
may subject you to civil and criminal liability.
This product incorporates copyright protection technology
that is protected by method claims of certain U.S. patents
and other intellectual property rights owned by
Macrovision Corporation and other rights owners. Use of
this copyright protection technology must be authorised by
Macrovision Corporation, and is intended for home and
other limited viewing uses only unless otherwise
authorised by Macrovision Corporation. Reverse engineer-
ing or disassembly is prohibited.
7

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