Panasonic TX-32LX60M Manuale utente

ORDERNO. SMT0603006CE

LCD TV

TX-32LX60M / TX-32LX60X / TX-32LX60A / TX-26LX60M / TX-

26LX60X / TX-26LX60A

LH59 Chassis

SPECIFICATIONS

Specifications

TX-26LX60M/X/A TX-32LX60M/X/A

Power Source AC 110-240 V, 50 / 60 Hz AC 110-240 V, 50 / 60 Hz

Power Consumption Averageuse : 109W Averageuse : 168W

Standbycondition: 0.9W Standbycondition: 0.9W

LCD 66.1cmV 80.0cmV

WideXGA(1366 × 768 pixels) 16:9aspect ratioLCD panel.

ScreenSize 576mm(W) × 324mm(H) 698mm(W) × 392mm(H)

Sound

Speaker 12cm × 6cm × 2pcs, 4 12cm × 6cm × 2pcs, 4

AudioOutput 20 W(10W+ 10W) , 10%THD 20 W(10W+ 10W), 10%THD

Headphones M3(3.5mm) Jack × 1 M3(3.5mm) Jack × 1

Receiving System/Band name

Receiving Channels Regular TV

VHFBAND 2-12 (PAL/SECAM B, K1)

0-12 (PALB AUST.)

1-9(PALB N.Z)

1-12 (PAL/SECAM D)

1-12 (NTSC M Japan)

2-13 (NTSC M U.S.A)

UHFBAND 21-69 (PALG, H, I/SECAM G, K, K1)

28-69 (PALAUST.)

13-57 (PALD, K)

13-62 (NTSC M Japan)

14-69 (NTSC M U.S.A)

CATV S1-S20 (OSCAR)

1-125 (U.S.ACATV)

C13-C49 (JAPAN)

S21-S41 (HYPER)

Z1-Z37 (CHINA)

5A, 9A(AUST.)

Aerial-Rear UHF/ VHF

Operating Conditions Temperature : 5°C - 40°C

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

Connection Terminals

AV1 VIDEO (RCAPinType) 1.0Vp-p(75 )

S-VIDEO (MINI DIN 4-pin) Y: 1.0Vp-p(75 ), C: 0.286 Vp-p(75 )

AUDIO L-R (RCAPinType× 2) 0.5Vrms

AV2 VIDEO (RCAPinType) 1.0Vp-p(75 )

AUDIO L-R (RCAPinType× 2) 0.5Vrms

Y 1.0Vp-p(including synchronization)

PBCB/PRCR±0.35 Vp-p

AV3 VIDEO (RCAPinType) 1.0Vp-p(75 )

S-VIDEO (MINI DIN 4-pin) Y: 1.0Vp-p(75 ), C: 0.286 Vp-p(75 )

AUDIO L-R (RCAPinType× 2) 0.5Vrms

HDMI 1/2 TYPE AConnectors

AudioInput forHDMI1 RCAPIN Type× 2 0.5Vrms

MONITOR OUT VIDEO (RCAPinType) 1.0Vp-p(75 )

AUDIO L-R (RCAPinType× 2) 0.5Vrms

Dimensions( WxH xD )

Including TV Stand 657mm × 525mm × 300mm 791mm × 615mm × 300mm

TV Set Only 657mm × 473mm × 128mm 791mm × 563mm × 128mm

Weight 15.0kgNet 19.0kgNet

Note:

Design and specificationsare subject tochangewithout notice. Weight and Dimensionsshownare approximate.

Unauthorized copying and distribution isaviolation of law.

1. Safety Precautions

1.1. General Guidelines

1. When servicing, observe the original lead dress. Ifashort circuit

isfound, replace all parts which have been overheated or

damaged bythe short circuit.

2. After servicing, see to itthat all the protective devices such as

insulation barriers, insulation papers shields are properly

installed.

3. After servicing, make the following leakage current checks to

prevent the customer from being exposed to shock hazards.

1.1.1. Leakage Current ColdCheck

1. Unplug the AC cord and connect ajumper between the two

prongs on the plug.

2. Measure the resistance value, with an ohmmeter, between the

jumpered AC plug and each exposed metalliccabinet part on the

equipment such as screwheads, connectors, control shafts, etc.

When the exposed metallicpart has areturn path to the chassis,

the reading shouldbe between 1M and 5.2M .

When the exposed metal does not have areturn path to the

chassis, the reading must be .

Figure 1

1.1.2. LEAKAGE CURRENTHOTCHECK (See Figure 1.)

1. Plug the AC cord directlyinto the AC outlet. Donot use an

isolation transformer for thischeck.

2. Connect a1.5k , 10 watts resistor, inparallel with a0.15 F

capacitors, between each exposed metallicpart on the set and a

good earth ground such as awater pipe, as showninFigure 1.

3. Use an AC voltmeter, with 1000 ohms/voltor more sensitivity, to

measure the potential across the resistor.

4. Check each exposed metallicpart, and measure the voltage at

each point.

5. Reverse the AC plug inthe AC outlet and repeat each of the above

measurements.

6. The potential at anypoint shouldnot exceed 0.75 volts RMS. A

leakage current tester (Simpson Model 229 or equivalent) maybe

used to make the hot checks, leakage current must not exceed 1/2

milliamp. Incase ameasurement isoutside of the limits specified,

there isapossibilityof ashock hazard, and the equipment should

be repaired and rechecked before itisreturned to the customer.

2. Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices

Some semiconductor(solidstate) devices canbe damagedeasilybystatic electricity. Such

components commonlyare calledElectrostaticallySensitive (ES) Devices. Examples of typical

ES devices are integratedcircuits and some field-effect transistors and semiconductor"chip"

components. The following techniques shouldbe usedtohelpreduce the incidence of

component damage causedbyelectrostatic discharge (ESD).

1. Immediatelybefore handling anysemiconductor component or

semiconductor-equipped assembly, drainoff anyESDon your

bodybytouching aknownearth ground. Alternatively, obtainand

wear acommerciallyavailabledischarging ESDwrist strap, which

shouldbe removed for potential shock reasons prior to applying

power to the unitunder test.

2. After removing an electrical assemblyequipped with ES devices,

place the assemblyon aconductive surface such as aluminum

foil, to prevent electrostaticcharge buildup or exposure of the

assembly.

3. Use onlyagrounded-tipsoldering iron to solder or unsolder ES

devices.

4. Use onlyan anti-staticsolder removal device. Some solder

removal devices not classified as "anti-static(ESDprotected)"

can generate electrical charge sufficient to damage ES devices.

5. Donot use freon-propelled chemicals. These can generate

electrical charges sufficient to damage ES devices.

6. Donot remove areplacement ES device from its protective

package until immediatelybefore you are readyto install it. (Most

replacement ES devices are packaged with leads electrically

shorted together byconductive foam, alminum foil or comparable

conductive material).

7. Immediatelybefore removing the protective material from the

leads of areplacement ES device, touch the protective material to

the chassisor circuitassemblyinto which the device will be

installed.

Caution

Besure no power isapplied to the chassisor circuit, and observe

all other safetyprecautions.

8. Minimize bodilymotions when handling unpackaged replacement

ES devices. (Otherwise hamless motion such as the brushing

together of your clothes fabricor the lifting of your foot from a

carpeted floor can generate staticelectricity(ESD)sufficient to

damage an ES device).

3. About lead free solder (PbF)

Note: Leadis listedas (Pb) inthe periodic table of elements.Inthe information below, Pbwill

refertoLeadsolder, and PbF will refertoLeadFree Solder.The LeadFree Solderusedinour

manufacturing process and discussedbelowis (Sn+Ag+Cu).That is Tin(Sn), Silver(Ag) and

Copper(Cu) although othertypes are available.

This model uses PbFree solderinit.s manufacture due toenvironmental conservation issues.

Forservice and repairwork, we.dsuggest the use of Pbfree solderas well, although Pbsolder

maybe used.

PCBs manufacturedusing leadfree solderwill have the PbF withina leaf Symbol

stampedon the back of PCB.

Caution

-Pb free solder has ahigher melting point than standard solder.

Typicallythe melting point is50 ~ 70°F (30~40°C)higher.

Please use ahigh temperature soldering iron and set itto 700 ±

20°F (370 ± 10°C).

-Free solder will tend to splash when heated too high (about 1100°F

or 600°C).

Ifyou must use Pb solder, please completelyremove all of the Pb

free solder on the pins or solder area before applying Pbsolder. If

thisisnot practical, be sure to heat the Pb free solder until it

melts, before applying Pb solder.

-After applying PbF solder to doublelayered boards, please check

the component side for excess solder which mayflow onto the

opposite side. (see figure below)

SuggestedPbfree solder

There are several kinds of Pbfree solderavailable forpurchase. This product uses Sn+Ag+Cu

(tin, silver, copper) solder.

However, Sn+Cu(tin, copper), Sn+Zn+Bi (tin, zinc, bismuth) soldercanalsobe used.

4. Input signal that can be displayed

*Mark:Applicable input signal forComponent(Y,PB/CB,PR/CR)and HDMI

Signal name Horizontal

frequency(kHz) Vertical frequency(Hz) Component HDMI

480i(525)/60Hz 15.73 59.94 * *

480p(525)/60Hz 31.47 59.94 * *

576i(625)/50Hz 15.63 50.00 * *

576p(625)/50Hz 31.25 50.00 * *

720p(750)/60Hz 45.00 60.00 * *

720p(750)/50Hz 37.50 50.00 * *

1080i(1125)/60Hz 33.75 60.00 * *

1080i(1125)/50Hz 28.13 50.00 * *

Note

-Signalsother than above maynot be displayed properly.

-The above signalsare reformatted for optimal viewing on your

display.

5. Self-check function

Whenphenomena like "the powerfails fromtime totime" or"the video/audiofails fromtime to

time" cannot be confirmedat the time of servicing, the self-check function canbe usedto

confirm the occurrence and tolimit the scope forthe defective circuits.Also, when"the power

fails fromtime totime", displayon the screencanbe usedtoconfirm the occurrence and to

limit the scope forthe defective circuits.

Anyprogrammedchannels, channels caption data and some otheruserdefinedsettings will be

erasedand returntofactorysetting.

5.1. How to access

5.1.1. Access

Produce TV reception screenand, while pressing [VOLUME-] button on the mainunit, press

[OFF TIMER] button on the remote controllerunit simultaneously.

5.1.2. Exit

To exit, turnoff the TV.

5.2. Screen display

Display Ref No. Description P.C.B.

E2 IC1102 EEPROM A-Board

MSP IC2001 TV Sound PowerAmplifier A-Board

Tun TU101 Tuner A-Board

FPGA IC4004 LCD Driverand DisplayControl A-Board

HDMI IC5004 HDMI Processor A-Board

CEC IC5001/IC5002 CEC Control A-Board

6. Chassis Board Layout

BoardName Function

A-Board Main(AV connector, AV Switch, Tuner, Audio&

VideoProcessor, MCU, LCD Driver, LVDS)

V-Board Remote Receiver, LED, B.A.T.S.

G-Board AV3,Headphone jack

AP-Board PowerSupply, PowerRegulator

PowerUnit Power(AC/DC)

None serviceable.

PowerUnit shouldbe exchangedforservice.

Control Panel Unit None serviceable.

Control Panel Unit shouldbe exchangedforservice.

7. Disassembly for Service

7.1. Pedestal ass’y

1. Laydownthe mainunitso that the rear cover faces upward.

2. Remove the fixing screw (2 pcs).

3. Remove the hinge cover.

4. Remove the fixing screws(4 pcs).

5. Remove the pedestal ass’y.

7.2. Rear cover

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