JVC LT-17X475 Service Manual

SERVICE MANUAL

LCD FLAT TELEVISION

LT-17X475

TABLE OF CONTENTS

PRECAUTIONS

SPECIFIC SERVICE INSTRUCTIONS

DISASSEMBLY ....................................................................................................................................................

ADJUSTMENT ...................................................................................................................................................

5. T

ROUBLE SHOOTING

........................................................................................................................................... 1-3

.......................................................................................................... 1-5

.............................................................................................................................. 1-23

1-6

1-22

No.YA035

2004/9

Items Contents

Dimentions (W x H x D)

Mass

TV RF System Colour System Sound-multiplex System Channels and frequencies

SPECIFICATION

46.5cm x 32.5cm x 7.8cm (TV only)

46.5cm x 36.3cm x 19.0cm

6.1kg (TV only)

7.3kg US M TV system NTSC US system Channels (on air) VHF 2 to 13, UHF 14 to 69 Channels (CABLE) 1 to 125

Aerial Input Terminal Power Input Power Consumption Display area Display pixels Speakers Audio Output Video / Audio Inputs INPUT 1 terminal (1/2) INPUT 2 terminal Audio Output terminal

PC Input Headphone Remote Control Unit

AC adapter

NOTE: Design & specifications are subject to change without notice.

75Ω unbalanced TV : 12V DC, AC adapter : AC120V, 60Hz 60W, Standby : 3W Visible size: 43.5cm (Diagonal) / 37.0cm x 22.5cm (H x V) 1280 x 768 (W-XGA)

5.4cm, Round type x 2 3W + 3W Video input, S-VIDEO input, Audio L / R inputs Component video input, Audio L / R inputs RCA connectors x3 Audio L / R, Subwoofer outputs Analog RGB : D-SUB(15pin) x1, PC AUDIO IN x1

3.5mm stereo mini jack x 1 DA-5000100087 (AA / R06 / UM-3 battery x 2) DA-5061370334

1-2 (No. YA035)

SECTION 1

PRECAUTION

1. 1 SAFETY PRECAUTIONS

(1) The design of this product contains special hardware,

many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Service should be performed by qualified personnel only.

(2) Alterations of the design or circuitry of the products should

not be made. Any design alterations or additions will void the manufacturer's warranty and will further relieve the manufacturer of responsibility for personal injury or property damage resulting therefrom.

(3) Many electrical and mechanical parts in the products have

special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the parts list of Service manual. Electrical components

having such features are identified by shading on the schematics and by () on the parts list in Service manual. The use of a substitute replacement which does

not have the same safety characteristics as the recommended replacement part shown in the parts list of Service manual may cause shock, fire, or other hazards.

(4) Don't short between the LIVE side ground and ISOLATED

(NEUTRAL) side ground or EARTH side ground when repairing.

Some model's power circuit is partly different in the GND. The difference of the GND is shown by the LIVE : ( GND, the ISOLATED (NEUTRAL) : ( EARTH : (

) side GND. Don't short between the LIVE

) side GND and

side GND and ISOLATED (NEUTRAL) side GND or EARTH side GND and never measure the LIVE side GND and ISOLATED (NEUTRAL) side GND or EARTH side GND at the same time with a measuring apparatus (oscilloscope etc.). If above note will not be kept, a fuse or any parts will be broken.

(5) If any repair has been made to the chassis, it is

recommended that the B1 setting should be checked or adjusted (See ADJUSTMENT OF B1 POWER SUPPLY).

(6) The high voltage applied to the picture tube must conform

with that specified in Service manual. Excessive high voltage can cause an increase in X-Ray emission, arcing and possible component damage, therefore operation under excessive high voltage conditions should be kept to a minimum, or should be prevented. If severe arcing occurs, remove the AC power immediately and determine the cause by visual inspection (incorrect installation, cracked or melted high voltage harness, poor soldering, etc.). To maintain the proper minimum level of soft X-Ray emission, components in the high voltage circuitry including the picture tube must be the exact replacements or alternatives approved by the manufacturer of the complete product.

) side

(8) When service is required, observe the original lead dress.

Extra precaution should be given to assure correct lead dress in the high voltage circuit area. Where a short circuit has occurred, those components that indicate evidence of overheating should be replaced. Always use the manufacturer's replacement components.

(9) Isolation Check

(Safety for Electrical Shock Hazard)

After re-assembling the product, always perform an isolation check on the exposed metal parts of the cabinet (antenna terminals, video/audio input and output terminals, Control knobs, metal cabinet, screw heads, earphone jack, control shafts, etc.) to be sure the product is safe to operate without danger of electrical shock.

a) Dielectric Strength Test

The isolation between the AC primary circuit and all metal parts exposed to the user, particularly any exposed metal part having a return path to the chassis should withstand a voltage of 3000V AC (r.m.s.) for a period of one second.

(. . . . Withstand a voltage of 1100V AC (r.m.s.) to an

appliance rated up to 120V, and 3000V AC (r.m.s.) to an appliance rated 200V or more, for a period of one second.) This method of test requires a test equipment not generally found in the service trade.

b) Leakage Current Check

Plug the AC line cord directly into the AC outlet (do not use a line isolation transformer during this check.). Using a "Leakage Current Tester", measure the leakage current from each exposed metal part of the cabinet, particularly any exposed metal part having a return path to the chassis, to a known good earth ground (water pipe, etc.). Any leakage current must not exceed 0.5mA AC (r.m.s.). However, in tropical area, this must not exceed 0.2mA AC (r.m.s.).

Alternate Check Method

Plug the AC line cord directly into the AC outlet (do not use a line isolation transformer during this check.). Use an AC voltmeter having 1000 ohms per volt or more sensitivity in the following manner. Connect a 1500Ω 10W resistor paralleled by a 0.15µF AC-type capacitor between an exposed metal part and a known good earth ground (water pipe, etc.). Measure the AC voltage across the resistor with the AC voltmeter. Move the resistor connection to each exposed metal part, particularly any exposed metal part having a return path to the chassis, and measure the AC voltage across the resistor. Now, reverse the plug in the AC outlet and repeat each measurement. Any voltage measured must not exceed 0.75V AC (r.m.s.). This corresponds to 0.5mA AC (r.m.s.). However, in tropical area, this must not exceed 0.3V AC (r.m.s.). This corresponds to 0.2mA AC (r.m.s.).

AC VOLTMETER (HAVING 1000Ω/V, OR MORE SENSITIVITY)

0.15µF AC-TYPE

(7) Do not check high voltage by drawing an arc. Use a high

voltage meter or a high voltage probe with a VTVM. Discharge the picture tube before attempting meter connection, by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button.

GOOD EARTH GROUND

1500Ω 10W

PLACE THIS PROBE ON EACH EXPOSED ME TA L PA RT

(No. YA035) 1-3

1.2 INSTALLATION

1.2.1 HEAT DISSIPATION

If the heat dissipation vent behind this unit is blocked, cooling efficiency may deteriorate and temperature inside the unit will rise. Therefore, please make sure pay attention not to block the heat dissipation vent as well as the ventilation outlet behind the unit and ensure that there is room for ventilation around it.

1.2.2 INSTALLATION REQUIREMENTS

Ensure that the minimal distance is maintained, as specified below, between the unit with and the surrounding walls. Install the unit on stable flooring or stands. Take precautionary measures to prevent the unit from tipping in order to protect against accidents and earthquakes.

Distance recommendations

Avoid improper installation and never position the unit where good ventilation is impossible.

150 mm

200 mm 200 mm

150 mm

When installing this TV, distance recommendations must be maintained between the set and the wall, as well as inside a tightly enclosed area or

50 mm

piece of furniture. Keep to the minimum distance guidelines shown for safe operation.

1.3 PRECAUTIONS

(1) Depending on the around temperature, the brightness leaning occurs. Be careful of the environment in the product

installation place and so on sufficiently.

(2) Don't hinder radiation from the back, the heaven and the side. Please refer to the next page that explains about the

condition of the installation.

The inside becomes hot if hindering radiation and there is fear, which the inner circuit damages. (3) Install in the place with good ventilation. Use in the condition that around temperature is in the 0~35°C range. (4) Avoid preservation and use at the high temperature or high humidity place. If you behave like this, leaning sometimes

happens in the screen when the set actives. (5) Depending on the condition and the environment of display, the slight fleck of the light and leaning of the screen and so on

is sometimes conspicuous. This is the characteristic which is peculiar to liquid crystal display. It is not set trouble. (6) This monitor has cool cathode pipe as the backlight. The time change and the use time sometimes change brightness

and condition of display.

1.4 THE ATTENTION IN TRANSPORTATION

When transporting a set, if the load handling is bad (throwing, falling and so on) however it is using a solid box, pressure inside liquid crystal display. In the case there is fear to break the liquid crystal display while transporting. To prevent from the accident or trouble while transporting, pay attention to choice of the transportation company sufficiently and also arrange for it in the delivery after the attention of the load handling is explained to the transportation company. This set is used glass for composing liquid crystal display. When carrying, pay attention not to add over vibration and impact sufficiently. Ensure that it is placed upright and not horizontally during transportation and storage as the LCD panel is very vulnerable to lateral impacts and may break. During transportation, ensure that the unit is loaded along the traveling direction of the vehicle, and avoid stacking them on one another. For storage, ensure that they are stacked in 2 layers or less even when placed upright.

1-4 (No. YA035)

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

2.1 DESCRIPTION ABOUT LIQUID CRYSTAL PANEL

2.2.1 STRUCTURE OF LIGUID CRYSTAL PANEL

The Liquid Crystal Panel of this model is TFT Panel. The Print circuit board that consist of TFT array and the print circuit board adopted stripe shaped image element alignment are used. These two boards are mixed. The Liquid crystal is enclosed between two boards.

2.1.2 LONG RANGE AFTERIMAGE OF LIQUID CRYSTAL

The small amount of ion material has mixed a liquid crystal panel with the liquid crystal material in the manufacturing process. If ion material is piled up partially among the poles when the voltage is impressed among the poles, the brightness difference occurs and becomes a long-range afterimage If same picture is reflected for long time, such a long-range afterimage occurs. If the long-range afterimage occurs, we recommend that you reflect the single color image or moving picture and so on to restore.

2.1.3 THE DISPLAY REPLYING SPEED OF LIQUID CRYSTAL

Because the speed to display of Liquid crystal panel is slower than the speed of the CRT monitor, some of the moving picture cannot overtake to the speed to display and the image looks flowing is sometimes displayed. This is not trouble, but efficiency of Liquid Crystal.

2.1.4 THE EYESIGHT CORNER OF LIQUID CRYSTAL

The liquid crystal panel has the wide eyesight corner for which it is difficult to reverse brightness. The tint changes depending on the direction to see a screen. This is not trouble, but efficiency of Liquid Crystal.

2.1.5 THE PICTURE ELEMENT FAULT OF LIQUID CRYSTAL

The liquid crystal panel is composed of precise technique but all devices don't always work right.

2.2 ATTENTION ITEMS WHEN REPLACING PARTS

2.2.1 ATTENTION TO EXCHANGE THE LIQUID CRYSTAL PANEL

(1) The stillness electricity sometimes makes damage a liquid crystal panel. In liquid crystal panel exchange, do a measure

of the stillness electricity such as the earth band.

(2) A liquid crystal panel and back-light are made from glass. If you gain an impact to these materials, there is fear to damage.

So in case of treatment, be careful sufficiently.

(3) Fix with the screw after confirming that there is not a float to chassis base when exchanging liquid crystal panel.

After that reflect all the black signals and confirm that brightness leaning doesn't occur near the screw fixation part. When brightness leaning occurs, slacken a screw in the neighborhood until the brightness leaning is running-out.

(4) Fix the torque that installs a screw below 0.294Nm.

If you install at any more torque, the liquid crystal panel is transformed and sometimes damages.

(5) If you pull out or insert each connector when power is ON, it causes the trouble.

So pull out or insert each connector in the condition to have pulled out a power supply plug.

2.2.2 ATTENTION WHEN EXCHANGING THE MAIN PWB

To show the original efficiency of the MAIN PWB, pull out a heat think from the previous MAIN PWB and install it in the new PWB surely.

2.2.3 ATTENTION WHEN EXCHANGING THE FUSE

When exchanging the fuse, please use specified parts. After fuse exchange, confirm that insulater is set to the shield and insulate surely.

(No. YA035) 1-5

SECTION 3

DISASSEMBLY

3.1 DISASSEMBLY PROCEDURE

CAUTION:

• Disconnect the set and attached devices from the electrical outlet

• To avoid ESD (Electro-Static Discharge), ground yourself by using a wrist grounding strap or by periodically touching

unpainted metal on the set.

3.1.1 REMOVING THE CABLE COVER AND NECK COVER

(1) Remove the CABLE COVER (L) by pulling the snap tabs. (2) Make similar ways to remove the CABLE COVER (R) and NECK COVER.

Snap tabs

CABLE COVER (L)

CABLE COVER (R) NECK COVER REAR COVER

1-6 (No. YA035)

3.1.2 REMOVING THE DUMMY COVERS (If necessary)

(1) Remove the DUMMY COVERS of TUNER module and AV JACK module by pulling the snap tabs

Snap tab DUMMY COVER

Snap tab DUMMY COVER TUNER COVER

TUNER module

AV JACK module

(No. YA035) 1-7

3.1.3 PREPARING TO REMOVE THE MODULE UNITS

(1) Remove the TUNER module cover by pulling snap tab. (2) Loosen 2 screws [A] of AV JACK module.

3.1.4 REMOVING THE BASE AND THE HANDLE

(1) Remove 4 screws [B] and remove the BASE by pulling BASE. (2) Remove 4 screws [C] and remove the HANDLE.

TUNER module

HANDLE

Snap tab

1-8 (No. YA035)

3.1.5 REMOVING THE MODULE UNITS

(1) Remove the TUNER module by pulling carefully. (2) Remove the AV JACK module by pulling carefully.

3.1.6 REMOVING THE REAR COVER

(1) Remove 4 screws [D] and remove the REAR COVER.

NOTE:

For the REAR COVER is attached tightly, it is easy to open from the corner of the REAR COVER.

REAR COVER

TUNER module

AV JACK module

(No. YA035) 1-9

3.1.7 REMOVING THE D-SUB COVER AND THE AUDIO COVER

(1) Remove a screw [E] and remove the D-SUB COVER. (2) Remove a screw [F] and remove the AUDIO COVER.

3.1.8 REMOVING THE MODULE BRACKETS

(1) Remove the 2 screws [G] and remove the MODULE BRACKETS.

MODULE BRACKETS

1-10 (No. YA035)

D-SUB COVER

AUDIO COVER

3.1.9 REMOVING THE MAIN BOARD SHIELD

(1) Remove 4 screws [H] and remove the 2 nuts [I]. (2) Remove the tape fixing wires. (3) Remove the MAIN BOARD SHIELD by sliding to downside and lifting.

Release the earth wires

Tape

Holes for slide

(No. YA035) 1-11

3.1.10 DISCONNECTING THE WIRING CONNECTORS

(1) Disconnect the wiring connectors from P002 and P003 on MAIN PWB.

NOTES:

Confirm the wiring layout of harnesses.

• The AUDIO wires are fixed by hot bond between P002 and P003, after connected.

• The RIGHT SPEAKER wires are turn around into the gap as shown Fig.A.

• The LEFT SPEAKER wires must be put away from the top of the RIGHT SPEAKER and hooked as shown Fig. B.

P003

P002

Fixed by hot bond

Wire for SPEAKER (R)

SPEAKER (L)

SPEAKER (R)

Wire for SPEAKER (L)

Hooks

Fig. BFig. A

1-12 (No. YA035)

3.1.11 REMOVING THE LCD MODULE ASS’Y

(1) Remove 3 screws [J]. (2) Remove the LCD MODULE ASS’Y by release from the 6 latches.

Latches (Top) x4

Latch (Right)

Latch (Left)

Label

(No. YA035) 1-13

3.1.12 REMOVING THE SPEAKERS

(1) Disconnect the wires from the P603 on FRONT CONTROL PWB. (2) Strip off the sponges and lift the SPEAKERS.

P603

Sponges

Wires under sponges

SPEAKERS

1-14 (No. YA035)

3.1.13 REMOVING THE FRONT CONTROL PWB AND IR SENSOR PWB

(1) Remove 2 screws [K] and remove the FRONT CONTROL PWB. (2) Remove a screw [L] and remove the IR SENSOR PWB.

K L

(3) Remove 3 screws [M] and remove the KEY assembly.

FRONT CONTROL PWB

wires (8P)IR SENSOR PWB wires (6P)

(No. YA035) 1-15

3.1.14 SUPPLEMENTAL 1

• The below assemblies are welded process.

• If removing these components, it is necessary to replace them.

Welded

VESA BRACKET

REAR COVER

Welded

LED WINDOW

IR LENS

Welded

FRONT COVER

KEY COVER

KEY

LOGO

1-16 (No. YA035)

Welded

3.1.15 SUPPLEMENTAL 2

• SPEAKER assembly.

• Confirm to connect the positive wire to the terminal with RED marker.

High density rubber

Red (+)

Black ( - )

White (+)

Cushion rubber

SPEAKER SPEAKER wires

Black ( - )

RED marker

(No. YA035) 1-17

3.1.16 SUPPLEMENTAL 3

• BASE assembly.

Rubber foot

BASE BRACKET

BASE

• HINGE assembly.

Latchs

HINGE COVER

HINGE

Hot bond

Insert until locking

1-18 (No. YA035)

CABLE COVER (R)

NECK COVER

CABLE COVER (L)

HINGE

BASE

HANDLE

AV JACK PWB

TUNER PWB

VESA BRACKET

REAR COVER

MODULE BRACKET

MAIN PWB

INVERTER

LCD PANEL

FRONT COVER

SPEAKER

FRONT CONTROL PWB

IR SENSOR PWB

(No. YA035) 1-19

3. 2 REPLACEMENT OF MEMORY IC

3.2.1 PROCEDURE FOR REPLACING OF MEMORY IC

Memory IC Notice

MCU IC Notice

1-20 (No. YA035)

3.3 REPLACEMENT OF CHIP COMPONENT

3.3.1 CAUTIONS

(1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it.

3.3.2 SOLDERING IRON

(1) Use a high insulation soldering iron with a thin pointed end of it. (2) A 30w soldering iron is recommended for easily removing parts.

3.3.3 REPLACEMENT STEPS

1. How to remove Chip parts

[Resistors, capacitors, etc.]

(1) As shown in the figure, push the part with tweezers and

alternately melt the solder at each end.

(2) Shift with tweezers and remove the chip part.

2. How to install Chip parts

[Resistors, capacitors, etc.]

(1) Apply solder to the pattern as indicated in the figure.

(2) Grasp the chip part with tweezers and place it on the

solder. Then heat and melt the solder at both ends of the chip part.

[Transistors, diodes, variable resistors, etc.]

(1) Apply extra solder to each lead.

SOLDER

(2) As shown in the figure, push the part with tweezers and

alternately melt the solder at each lead. Shift and remove the chip part.

Note :

After removing the part, remove remaining solder from the pattern.

[Transistors, diodes, variable resistors, etc.]

(1) Apply solder to the pattern as indicated in the figure. (2) Grasp the chip part with tweezers and place it on the

solder.

(3) First solder lead A as indicated in the figure.

(4) Then solder leads B and C.

(No. YA035) 1-21

SECTION 4

ADJUSTMENT

This service manual does not describe ADJUSTMENT.

1-22 (No. YA035)

SECTION 5

(1)No Picture Appears

(2)Picture Abnormal

TROUBLESHOOTING

(1)No Picture Appears

Replace inverter

board

LED is lit Green Is LED lit

Is LCD

backlight lit

Check panel

interface cable

END

Turn on PC or

Video player

Connect signals

cables firmly

are well onnnected

No Picture

LED is lit RED

Check if TV is

entering into the

sleep mode

Check if PC and

Video cables

Check AV board and Tuner board

Is the AC adaptor

Is the AC adapter

The output voltage

of I001is 3.3V

The output Freq. of

LED lit

output 12V

of I042 is 5V

I002 is 2.5V I003 is 1.8V

X005 is

14.318MHz

Check if power cord

is well connected

Replace I042 related

CKT failure parts

Repalce the failure

regulators

Repalce X005

Replace AC

adaptor

Replace AC

adaptor

Replace

PWB-0692

PCB assembly

Replace

PWB-0692

PCB assembly

Replace

PWB-0692

PCB assembly

(2)Picture Abnormal

END END

Picture is dark or

Blurred

Change input

source to see if it is

caused by signal

source

Replace mian

chassis PWB-0692

END END

Enter OSD menu

and execute Reset

Picture is Blue back

Execute TV channel

auto setup in install

Execute TV channel

function

END END

sub-menu

END END

auto setup in install

Try TV manual

sub-menu

function

Try TV manual search function

Replace tuner board

PWB-0693

Try TV manual search function

Replace tuner board

PWB-0693

END

(No. YA035) 1-23

Victor Company of Japan, Limited

AV & MULTIMEDIA COMPANY VIDEO DISPLAY CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan

(No. YA035)

Printed in Japan

WPC

LT-17X475

ENGLISH

FRANÇAIS

CASTELLANO

LT-23X475

LCD FLAT TELEVISION INSTRUCTIONS

TELEVISEUR A ECRAN PLAT – LCD MANUEL D’INSTRUCTIONS

TELEVISOR PLANO LCD MANUAL DE INSTRUCCIONES

Important Safety Precautions

WARNING:

CAUTION:

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION : To reduce the risk of eletric shock. Do not remove

cover (or back). No user serviceable parts inside. Refer servicing to qualified service personnal

The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user

to the presence of uninsulated "dangerous viltage" within the product's enclosure that may be of sufficient

magnitude to constitute a risk of eletric shock to

persons.

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) inscructions in the literature accompanying the appliance.

TO PREVENT FIRE OR SHOCK HAZARDS, DO NOT EXPOSE THIS TV SET TO RAIN OR MOISTURE.

TO INSURE PERSONAL SAFETY, OBSERVE THE FOLLOWING RULES

REGARDING THE USE OF THIS UNIT.

ENGLISH

1. Operate only from the power source specified on the unit.

2. Avoid damaging the AC plug and power cord.

3. Avoid improer installation and never position the unit where good ventilation is unattainable.

4. Do not allow objects or liquid into the cabinet opening.

5. In the event of trouble, unplug the unit and call a service technician. Do

not attempt to repair it yourself or remove the rear cover.

Changes of modifications nor approved by JVC could void the warranty.

* When you don't use the TV set for a long period of time, be sure to

disconnect both the power plug from the AC outlet and antenna for your safety.

* To prevent eletric shock do not use this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure.

IMPORTANT RECYCLING INFORMATION

This product has a fluorescent lamp that contains a small amount of mercury. It also

contains lead in some components. Disposal of the materials may be regulated in your

community due to environmental considerations. For disposal or recycling information,

please contact your local authorities, or the Eletronic Industries Alliance:

http://www.eiae.org

• As an “ENERGY STAR®” partner, JVC has determined that this product or product model meets the “ENERGY STAR®” guidelines for energy efficiency.

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 wider than the other.

A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an eletrician 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 a cart, stand, tripod, bracket, or table sprecified 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 gallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

15. Apparatus shall not be exposed to dripping or splashing and no objects fill with liquids, such as vases, shall be placed on the apparatus.

Thank you for buying this JVC LCD flat television. To make sure you understand how to use your new TV, please read this manual thoroughly before you begin. (“LCD” stands for Liquid Crystal Display.)

WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR

MOISTURE.

WARNING

Always use the provided AC adapter and power cord.

WARNING

• Fingers may be trapped under the TV causing injuries. Hold the TV at the bottom in the middle, and do not allow it to tilt up or down.

• The TV may fall causing injuries. Hold the bottom of the stand with your hand and tilt the TV up and down.

• Do not allow children to hang from the TV, place their elbows on the TV or lean against the TV. Doing so may cause the TV to fall over and lesd

to injuires.

ENGLISH

CAUTION:

• To avoid electric shock or damage to the unit, first firmly insert the small end of the power cord into the AC Adpater unit it is no longer wobbly, and then plug the larger end of power cord into an AC outlet.

CAUTION:

• Operate only from the power source (AC 120V, 60 Hz).

• only

• Avoid damaging the AC plug, AC adapter and power cord.

•

• When you are not using this unit for a long period of time, it is recommended that you disconnect the power cord from the main outlet.

CAUTION ON HEATING OF AC ADAPTER:

In using, the AC adapter get heat on the sunface of case.

• It is normal, not defective. while it is in operation.

• Don't be covered with any material on case of AC adapter

NOTES:

• The rating plate (serial number plate) and safety caution are on the back of the main unit.

• The rating information and safty causion of the AC Adapter are on its upper and lower sides.

• Illustration of LT-17X475

Point defects

LCDs use collections of fine pixels to display images. While there is no problem with more than 99.99% of these pixels, please understand that a very small number of pixels may not light or may light all the time.

Distance recommendations

Avoid improper installation and never position the unit where good ventilation is impossible. When installing this TV, distance recommendations must be maintained between the set and the wall, as well as inside a tightly enclosed area or piece of furniture.

150 mm 150 mm

200 mm 200 mm

50 mm

Keep to the minimum distance guidelines shown for safe operation.

Failure to take the following precautions may cause damage to the television or remote control.

DO NOT block the TV’s ventilat ion opening s or holes.

(If the ventilation openings or holes are blocked by a newspaper or cloth, etc., the heat may not be able to get out.)

DO NOT place anything on top of the TV.

(such as cosmetics or medicines, flower vases, potted plants, cups, etc.)

DO NOT allow objects or liquid into the cabinet openings.

(If water or liquid is allowed to enter this equipment, fire or electric shock may be caused.)

DO NOT place any naked flame sources, such as lighted candles, on the TV. DO NOT subject the TV to direct sunlight.

The surface of the TV screen is easily damaged. Be very careful with it when handling the TV. Should the TV screen become soiled, wipe it with a soft dry cloth. Never rub it forcefully. Never use any cleaner or detergent on it.

If there is a fault, unplug the unit and call a service technician. Do not attempt to repair it yourself or remove the rear cover and the

AC adapter.

Cleaning the screen

The screen is coated with a special thin film to reduce reflection. If this film is and other problems that can not be repaired may occur. Pay attention to the following when handling the screen.

• Do not use glue or adhesive tape on the screen.

• Do not write on the screen.

• Do not allow the screen to come in contact with any hard objects.

• Do not allow condensation to form on the screen.

• Do not use alcohol, thinner, benzene or other solvents on the screen.

• Do not rub the screen hard.

maged, uneven colors, discoloration, scratches,

CONTENTS

Setting up your TV..................................6

Installation..........................................................6

Using the stand..................................................6

Putting the batteries into the Remote control.....7

Remove the terminal cover................................7

Connecting the aerial and video cassette

recorder (VCR)...................................................8

Connecting the power cord to the AC outlet ......8

Initial Setup.........................................................8

TV buttons and functions ......................9

Turn the TV on from standby mode ...................9

Choose a TV channel ........................................9

Watch images from external devices.................9

Adjust the volume ..............................................9

Using the Menu..................................................9

Remote control buttons and

functions............................................10

Turn the TV on or off from standby mode........10

Choose a TV channel ......................................10

Adjust the volume ............................................11

Watch images from external equipment ..........11

MTS (Multi-Channel Television Sound)............11

Displaying the source information .....................11

ZOOM function.................................................12

Sleep timer funtion...........................................12

VIDEO STATUS...............................................12

C.C. (Closed Caption)......................................12

Using the PC PIP function ..............................13

Operating a JVC brand VCR or DVD player....13

INITIAL SETUP......................................18

LANGUAGE .................................................... 18

AUTO TUNER SETUP ....................................183

CHANNEL SUMMARY.....................................184

CLOSED CAPTION .........................................194

V-CHIP .............................................................19

SET LOCK CODE ............................................20

PC MENU...............................................21

PC PICTURE POSITION................................. 213

PC PICTURE................................................... 213

SOUND............................................................ 21

PC support mode list........................................ 22

Additional preparation.........................23

Connecting external equipment ...................... 238

Troubleshooting...................................25

Specifications.......................................29

ENGLISH

Using the TV’s menu............................14

Basic operation ................................................14

PICTURE SETTING................................15

VIDEO STATUS ..............................................15

Picture Adjustment...........................................15

COLOR TEMPERATURE.................................15

RESET..............................................................15

SOUND SETTING .................................16

Sound Adjustment........................................... 169

HYPER SURROUND

...................................... 169

FEATURES............................................17

NOISE MUTING .............................................. 17

FRONT PANEL LOCK .................................... 17

AUTO SHUT OFF ........................................... 17

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