Panasonic TX-22LT2 User manual

ORDERNO. ITD0110014C2

22”LCD TV

TX-22LT2

LH4Chassis

SPECIFICATIONS

PowerSource

AC100~240V, 50/60Hz

PowerConsumption

Averageuse:69W (Maximumcurrent0.7A)

Stand-bycondition:4W (at120-240V)

TVset

DC15V, 4.1Amax.

LCD

22-inch, 16:9aspectratio LCDpanel

Screen Size

487mm(W)x274mm(H)

Receiving System

PAL I, PAL-525/60, M. NTSC

NTSC(AVonly)

Receiving Channel

UHF E21 -E65

Sound

Speaker

Tweeter(4x7cm 2pcs, 8 ), Woofer( 5cm 2pcs, 4 )

Audio Output

9W (2.5W+2.5W+4.0W (Woofer)), 10%THD, 50Hz~20kHz

Headphones

M3(3.5mm)Jack x1

FEATURES

3DY/CDigital comb Filter

Aero-Hammer DoubleWooferSystem (2Way

4SpeakerSystem)

CLOSEDCAPTION V-Chip

Accessories Supplied

Remotecontrol TransmitterN2QAFC000006

Battery:CR2025 x1

ACAdaptor:N0JZHK000004

ACCord:K2CA2EA00005

Operating Conditions

Temperature:41°F-95°F(5-35°C)

Humidity:5%-90%RH(non-condensing)

Connection Terminals

Video In

VIDEO

RCAPINTypex2 1.0Vp-p

S-VIDEO

Mini DIN4-pin x2 Y:1Vp-p(75 ), C:0.286Vp-p(75 )

AUDIOL-R

RCAPINTypex2 1.0Vp-p

COMPONENTINVIDEO

DTypeConnecterx

2Y, PB, PR

AUDIOL-R

RCAPINTypex2 0.5Vrms

AUDIOOUT

M3Stereo Jack x1 0.5Vrms

Dimensions(W xDxH)

Including TVStand

586mm x240mm x424mm

TVSetOnly

586mm x67mm x388mm

Weight(Mass)

11.5kg Net

Note:

Design and Specificationsaresubjectto changewithoutnotice.

Weightand Dimensionsshown areapproximate.

Unauthorizedcopying and distribution isaviolation oflaw.

1. SafetyPrecautions

1.1. General Guidelines

1. Whenservicing, observetheoriginal leaddress. Ifashortcircuit

isfound, replace all parts whichhavebeenoverheatedor

damagedbytheshortcircuit.

2. Afterservicing, see toitthat all theprotectivedevices suchas

insulation barriers, insulation papersshieldsareproperlyinstalled.

3. Afterservicing, make thefollowing leakagecurrentchecks to

preventthecustomerfrombeing exposedtoshock hazards.

1.2. Touch-CurrentCheck

1. Plug theACcorddirectlyintotheACoutlet. Donotuse an

isolation transformerforthischeck.

2. Connect ameasuring networkfortouchcurrents betweeneach

exposedmetallicparton theset and agood earthground suchas

awaterpipe, as showninFigure1.

3. Use LeakageCurrentTester(Simpson 228 orequivalent) to

measurethepotential across themeasuring network.

4. Check eachexposedmetallicpart, and measurethevoltageat

eachpoint.

5. ReservetheACplug intheACoutlet and repeat eachoftheabove

measure.

6. Thepotential at anypoint(TOUGHCURRENT)expressedas

voltageU1and U2, does notexceedthefollowing values:

Fora. c.:U1=35 V(peak) and U2=0.35 V(peak);

Ford. c.:U1=1.0V,

Note:

ThelimitvalueofU2=0.35 V (peak)for a. c. and U1=1.0V for d. c. correspond tothevalues 0.7

mA(peak)a. c. and 2.0mAd. c.

ThelimitvalueU1=35 V (peak)for a. c. correspond tothevalue70 mA(peak)a. c. for

frequencies greaterthan100 kHz.

7. Incase ameasurementisoutofthelimits specified, thereisa

possibilityofashock hazard, and theequipmentshouldbe

repairedand recheckedbeforeitisreturnedtothecustomer.

Figure1

2. Prevention of ElectroStaticDischarge (ESD) to

ElectrostaticallySensitive(ES) Devices

Somesemiconductor (solidstate)devices canbedamagedeasilybystaticelectricity. Such

componentscommonlyarecalledElectrostaticallySensitive (ES)Devices. Examples oftypical

ES devices areintegratedcircuitsand somefield-effecttransistorsand semiconductor "chip"

components. Thefollowing techniques shouldbeusedtohelpreduce theincidence of

componentdamagecausedbyelectro staticdischarge(ESD).

1. Immediatelybeforehandling anysemiconductorcomponentor

semiconductor-equippedassembly, drainoff anyESDon your

bodybytouching aknownearthground. Alternatively, obtainand

wearacommerciallyavailabledischarging ESDwrist strap,

whichshouldberemovedforpotential shock reasonspriorto

applying powertotheunitundertest.

2. Afterremoving anelectrical assemblyequippedwithES devices,

place theassemblyon aconductivesurface suchas alminumfoil,

topreventelectrostaticchargebuildup orexposureofthe

assembly.

3. Use onlyagrounded-tipsoldering iron tosolderorunsolderES

devices.

4. Use onlyananti-staticsolderremoval device. Somesolder

removal devices notclassifiedas "anti-static(ESDprotected)"can

generate electrical chargesufficienttodamageES devices.

5. Donotuse freon-propelledchemicals. These cangenerate

electrical charges sufficienttodamageES devices.

6. DonotremoveareplacementES device fromits protective

packageuntil immediatelybeforeyou arereadytoinstall it. (Most

replacementES devices arepackagedwithleadselectrically

shortedtogetherbyconductivefoam, alminumfoil or

comparableconductivematerial).

7. Immediatelybeforeremoving theprotectivematerial fromthe

leadsofareplacementES device, touchtheprotectivematerial to

thechassisorcircuitassemblyintowhichthedevice will be

installed.

Caution

Besureno powerisappliedtothechassisorcircuit, and observe

all othersafetyprecautions.

8. Minimizebodilymotionswhenhandling unpackagedreplacement

ES devices. (Otherwise hamless motion suchas thebrushing

togetherofyourclothes fabricorthelifting ofyourfootfroma

carpetedfloorcangenerate staticelectricity(ESD)sufficient

todamageanES device).

3. Self Check

1. Self-Check isusedtoautomaticallycheck thebuslines and

hexadecimal codeoftheTVset.

2. To get intotheSelf-Check modepress theDown( )

button on thecustomercontrolsat thefrontoftheset, at thesame

timepressing theRecall button on theremote control, andthe

screenwill show :

IftheCCU portshave beencheckedand found tobeincorrector notlocatedthen“--”will appear

inplace of“O.K.”.

4. ChasisBoardLayout

5. Servicing method

5.1. Removing tiltbase

5.2. Removing rearpanel

5.3. Removing speakerunit

5.4. Removing chassis

5.5. Removing A-Board

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