Panasonic TX-29P190T Manuale utente

Order No. MTV0501406C3

Colour Television

TX-29P190T

MD3N Chassis

SPECIFICATIONS

Specifications

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

Power Consumption 197 W

Standby condition: 11 W

Receiving System

Function 21 Systems

Reception of broadcast PAL B, G, H

transmissions and

Playback

PAL I

from Video Cassette Tape PAL D, K

Recorders SECAM B, G

SECAM D, K

SECAM K1

NTSC M (NTSC 3.58/4.5 MHz

Playback from special NTSC 4.43/5.5 MHz

VCRs NTSC 4.43/6.0 MHz

NTSC 4.43/6.5 MHz

NTSC 3.58/5.5 MHz

NTSC 3.58/6.0 MHz

NTSC 3.58/6.5 MHz)

SECAM I

Playback from Special

Disc

PAL 60 Hz/5.5 MHz

Players and Special VCRs PAL 60 Hz/6.0 MHz

PAL 60 Hz/6.5 MHz

SECAM 60 Hz/5.5 MHz

SECAM 60 Hz/6.0 MHz

SECAM 60 Hz/6.5 MHz

NTSC 50 Hz/4.5 MHz

Receiving Channels Regular TV

VHF BAND 2-12 (PAL/SECAM B, K1)

0-12 (PAL B AUST.)

1-9 (PAL B N.Z.)

1-12 (PAL/SECAM D)

1-12 (NTSC M Japan)

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

UHF BAND 21-69 (PAL G,H,I/SECAM G,K,K1)

28-69 (PAL B AUST.)

13-57 (PAL D,K)

13-62 (NTSC M Japan)

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

CATV S1-S20 (OSCAR)

1-125 (U.S.A. CATV)

C13-C49 (JAPAN)

S21-S41 (HYPER)

Z1-Z37 (CHINA)

5A, 9A (AUST.)

Receiving Stereo System NICAM I, NICAM B/G, NICAM D, A2

(German)

Tuning System Frequency synthesizer

Auto Search Tuning

POSITION: 100 Position

DIRECT: 125 Position

High Voltage 31.0 ± 1.0 kV at zero beam current

Picture Tube Overall Picture tube measured

diagonally: 73 cm

Viewable Picture tube measured

diagonally: 68 cm

CRT Deflection: 104°

Audio Output 8W x 2 (Speaker)

Headphones 3.5 mm Plug

Aerial Impedance 75 Unbalanced Coaxial

Video/Audio/Component

AV 1, 2, 3, 4

S-Video In Y:1 Vp-p, 75

DVD C:0:3 Vp-p 75

Y 1.0Vp-p, 75

PB 0.7Vp-p, 75

PR 0.7Vp-p, 75

Monitor Out Video In 1 Vp-p, 75

Audio In Approx 0.4 V 47 k

Video Out 1 Vp-p, 75

Audio Out Approx. 0.4 V 1 k

AV1 IN (Rear): S-Video,

Video, Audio L/R

terminals

AV2 IN (Front): S-Video,

Video, Audio L/R RGB

Terminals

AV3 IN (Rear): Video,

Audio

L/R terminals

AV4 IN (Rear): Video or

Y/PB/PR, Audio L/R

terminals

RGB Input High-DENSITY D-sub 15 pin

31.5 kHz/60 Hz (640 x 480 dot) and

31.5 kHz/70 Hz (640 x 400 dot)

Remote Control

Transmitter

R6 (AA) Battery x 2

75 coaxial aerial plug

Dimensions (W x D x H) 758 mm x 515 mm x 582 mm

Weight (Mass) 44 kg (Net)

Note:

Design and Specifications are subject to change without notice.

Weight and Dimensions shown are approximate.

Unauthorized copying and distribution is a violation of law.

1. Safety Precautions

1.1. General Guide

1. It is advisable to insert an isolation transformer in the AC supply before

servicing a hot chassis.

2. When servicing, observe the original lead dress, especially the lead

dress in the high voltage circuits. If a short circuit is found, replace all

parts which have been overheated or damaged by the short circuit.

3. After servicing, see to it that all the protective devices such as

insulation barriers, insulation papers, shields and isolation R-C

combinations, are properly installed.

4. When the receiver is not to be used for a long period of time, unplug

the power cord from the AC outlet.

5. Potential, as high as 32.0 kV is present when this receiver is in

operation. Operation of the receiver without the rear cover involves the

danger of a shock hazard from the receiver power supply. Servicing

should not be attempted by anyone who is not thoroughly familiar with

the precautions necessary when working on high voltage equipment.

Always discharge the anode of the picture tube to the receiver chassis

before handling the tube.

6. After servicing make the following leakage current checks to prevent

the customer from being exposed to shock hazards.

1.2. Leakage Current Cold Check

1. Unplug the AC cord and connect a jumper between the two prongs on

the plug.

2. Turn on the receiver’s power switch.

3. Measure the resistance value, with an ohmmeter, between the jumper

AC plug and each exposed metallic cabinet part on the receiver, such

as screw heads, aerials, connectors, control shafts, etc. When the

exposed metallic part has a return path to the chassis, the reading

should be between 4 M and 20 M . When the exposed metal does

not have a return path to the chassis, the reading must be infinite.

1.3. Leakage Current Hot Check (See Fig. 1)

1. Plug the AC cord directly into the AC outlet. Do not use an isolation

transformer for this check.

2. Connect a 2k , 10 W resistor in series with an exposed metallic part

on the receiver and an earth such as a water pipe.

3. Use an AC voltmeter, with high impedance type, to measure the

potential across the resistor.

4. Check each exposed metallic part, and measure the voltage at each

point.

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

measurements.

6. The potential any point should not exceed 1.0 V rms. In the case of a

measurement being outside of the limits specified, there is a possibility

of a shock hazard, and the receiver should be repaired and rechecked

before it is returned to the customer.

1.4. X-Radiation

Warning:

1. The potential sources of X-Radiation in TV sets are the EHT section

and the picture tube. /

2. When using a picture tube test rig for service, ensure that the rig is

capable of handling 32.0 kV without causing X-Radiation. /

Note: It is important to use an accurate periodically calibrated high voltage meter. /

1. Set the brightness to minimum.

2. Measure the High Voltage. The meter reading should indicate 31.0 ± 1

kV. If the meter indication is out of tolerance, immediate service and

correction is required to prevent the possibility of premature

component failure.

3. To prevent the possibility of X-Radiation, it is essential to use the

specified picture tube.

2. SERVICE HINTS

2.1. HOW TO REMOVE THE REAR COVER

1. Remove the 9 screws as shown in Fig. 1.

2.2. HOW TO MOVE THE CHASSIS INTO SERVICE POSITION

1. Hold and lift the rear of the chassis and gently pull the chassis towards

you as shown in Fig. 3.

2. Release the respective wiring clips and rotate the chassis vertically

through 90° anticlockwise.

3. After servicing replace the bead clamper and ensure all wiring is

returned to its original position before returning the receiver to the

customer.

2.3. HOTEL MODE

Purpose

1. At Hotels, this Mode prevents the customer from changing the TV

preset data such as Channel preset data. / / Note: This Mode is useful

for Hotels. You should not get into “Hotel mode” with Normal use.

Operation

1. To get into “Hotel Mode”, press the remote control “Recall” button and

Channel up “[+/ ]” key on the TV set simultaneously, after setting

the “Off-Timer” mode.

2. In this mode, the Channel up and down Function will be enabled as

normal and the maximum volume level for this mode is set at the

current volume level, i.e. the setting at the level before entering the

mode. However, other functions will be disabled.

3. To exit this mode, exit “Off-Timer” mode and the “Volume Down [-/

]” key simultaneously. / * This information is informed by Service

Manual only.

3. SELF CHECK

1. Self-Check is used to automatically check the bus lines and

hexadecimal code of the TV set.

2. To get into the Self-Check mode, press the down n [-/ ] button on

the customer controls at the front of the set, at the same time pressing

the HELP button on the remote control and the screen will show:

4. SERVICE MODE FUNCTION

MPU controls the functions switching for each IIC through IIC bus in this chassis. The following setting

and adjustment can be adjusted by remote control in Service Mode.

4.1. HOW TO ENTER SERVICE 1

1. In sound menu, set BASS to MAX and set TREBLE to MINIMUM.

2. Simultaneously press INDEX button on remote control and VOLUME

DOWN button [-] on the TV set.

4.2. HOW TO ENTER SERVICE 2

1. Set the channel to CH99.

2. Press HOLD button on remote control. / Note: / To exit Service mode,

press N or Power button on remote control.

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