Panasonic tc20kl3, TC 2029KL03A Diagram

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Service ManualOrder DCS - NOV2003 - 001 - MS

 

Color Television

MX5ZB CHASSIS

 

 

 

TC-20KL03A

TC-29KL03A

Specifications

TELEVISION

TC-20KL03A

TC-20KL03A

 

 

 

 

 

 

Power source

110/220 V AC, 50/60 Hz automatic switch

110/220 V AC, 50/60 Hz automatic switch

 

 

 

Consumption

79 W

120 W

 

 

 

Antenna input jack

75 ohms - VHF/UHF/CATV

75 ohms - VHF/UHF/CATV

 

 

 

Color systems

PAL-M/NTSC/PAL-N

PAL-M/NTSC/PAL-N

 

 

 

Tuning system

F.S.T.

F.S.T.

 

 

 

Channel capability

2 to 13 (VHF)

2 to 13 (VHF)

 

14 to 69 (UHF)

14 to 69 (UHF)

 

1 to125 (CATV)

1 to125 (CATV)

 

 

 

Picture tube (Diagonal Visual)

Panablack 48 cm

Panablack 68 cm

 

 

 

Audio system

50 W PMPO

82 W PMPO

 

 

 

Video input jack

1 (back) + 1 (front)

1 (back) + 1 (front)

 

 

 

Audio input jack

1 (back) + 1 (front)

1 (back) + 1 (front)

 

 

 

Video Outlet

1 (back)

1 (back)

 

 

 

Audio Outlet

1 (back) + 1 (earphone)

1 (back) + 1 (earphone)

 

 

 

Dimension (width, height, depth)

600 x 473 x 487 (mm)

760 x 579 x 512 (mm)

 

 

 

Weight

17.7 kg

34 kg

 

 

 

Remote Control Transmiter:

Power Source

3V (2 AA type batteries)

Infrared Length

9500 A (Angstron)

Number of Buttons

29 keys

Dimensions (W x H x D)

(54 x 27 x 135) mm

Supplied Accessories:

1 Remote Control Transmitter

1 300Ω/75Ω Balum

2 “AA” (or R6) batteries (1.5V; ABNT/IEC)

1 Internal antenna (for TC-20KL03A only)

Specifications are subject to change without notice. Weight and dimensions shown are approximate.

© 2003 Panasonic da Amazônia S/A

Panasonic® CS Division Technical Support

TC-20KL03A / TC-29KL03A

Important Safety Notice

Special components are used in this television set which are important for safety. These parts are identified on the schematic diagram by the symbol . It is essential that these critical parts are replaced whit the manufacturer’s specified replacement parts to prevent X-ray radiation, shock, fire or other hazards. Do not modify the original design whitout manufacturer’s permission.

Table of Contents

 

Operating Instructions ...........................................................................

04

Feature Summary ...................................................................................

05

The DAC Control Functions and Adjustments for MX5ZB ....................

06

SERVICE MODE:

 

CHK1 - Options ................................................................................

06

CHK2 - VCJ Adjustments ................................................................

07

CHK3 - Pincushion Adjustments .....................................................

07

CHK4 - White Balance Adjustments ...............................................

07

CHK5 - Stereo Adjustments ...........................................................

07

ADJUSTMENTS:

 

TEST AND MEASUREMENT EQUIPMENTS ........................................

08

1- RF AGC CALIBRATION ..............................................................

09

2- VIF DETECTOR OUTPUT LEVEL CONFIRMATION ................

09

3- BUZZING CONFIRMATION (AUDIO CIRCUIT) .........................

09

4- ANODE AND HEATER VOLTAGE CONFIRMATION ...............

09

5- PAL COLOR OUTPUT LEVEL ADJUSTMENT ............................

10

6- NTSC SUB-TINT CALIBRATION ...................................................

10

7- MTS CALIBRATION ........................................................................

10

8- STEREO SEPARATING ADJUSTMENT .....................................

11

9- PROTECTION CIRCUIT (SHUTDOWN) OPERATION ..............

11

10FOCUS CALIBRATION .............................................................

11

11VERTICAL DEFLECTION CALIBRATION ..................................

12

12CRT CUT OFF CALIBRATION .................................................

12

EEPROM MEMORY MAPS .......................................................................

13

SCHEMATICS DIAGRAMS:

 

CRT BOARD (L) ........................................................................................

15

DVD CONECTION BOARD (D) ................................................................

16

AV FRONTAL BOARD (G) .......................................................................

17

REMOTE CONTROL RECEIVER (R) ......................................................

17

MAI BOARD:

 

Power Supply ...........................................................................................

18

Microprocessor / YUV / Syntony ............................................................

20

Audio Signal Process ..............................................................................

22

Vertical / Horizontal Process ..................................................................

24

Audio Output ............................................................................................

26

CIRCUIT BOARD LAYOUT .......................................................................

28

IC601 - Voltage and Description ...............................................................

30

IC601 - Layout ............................................................................................

31

IC2201 - Voltage Table ..............................................................................

31

Signal Waveform ........................................................................................

32

Exploded View ........................................................................................

34

Mechanical Replacement Parts List .......................................................

35

Electrical Replacement Parts List ..........................................................

36

General Guidelines

An Isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It will also protect the Receiver from being damaged by accidental shorting that may occur during servicing.

When servicing, observe the original lead dress, especially in the high voltage circuit. Replace all damaged parts (also parts that show signs of overheating.)

Always Replace Protective Devices, such as fishpaper, isolation resistors and capacitors, and shields after servicing the Receiver. Use only manufacturer’s recommended rating for fuses, circuit breakers, etc.

High potentials are present when this Receiver is operating. Operation of the Receiver without the rear cover introduces danger from electrical shock. Servicing should not be performed by anyone who is not thoroughly familiar with the necessary precautions when servicing high-voltage equipment. Extreme care should be practiced when Handling the Picture Tube. Rough handling may cause it to implode due to atmospheric pressure (14.7 lbs per sq. in). Do not sick or scratch the glass or subject it to any undue pressure. When handling, use safety goggles and heavy gloves for protection. Discharge the picture tube by shorting the anode to chassis ground (not to the cabinet or to other mounting hardware). When discharging, connect cold ground (i.e. dag ground lead) to the anode with a well insulated wire or use a grounding probe.

Avoid prolonged exposure at close range to unshielded areas of the picture tube to prevent exposure to X-ray radiation.

The Test Picture Tube used for servicing the chassis at the bench should incorporate safety glass and magnetic shielding. The safety glass provides shieldinf for the tube viewing area against X-ray radiation as well as implosion. The magnetic shield limits X-ray radiation around the bell of the picture tube in addition to restricting magnetic effects. When using a picture tube test jig for service, ensure that the jig is capable of handling 31kV without causing X-ray radiation.

Before returning a serviced receiver to the owner, the service technician must thoroughly test the unit to ensure that is completely safe to operatore. Do not use a line isolation transformer when testing.

Warning !

It is essential that these critical parts are replaced with the manufacturer’s specified replacement parts to prevent X-ray radiation, shock, fire or other hazards.

- 2 -

TC-20KL03A / TC-29KL03A

ABOUT LEAD FREE SOLDER (PbF)

This model uses lead free solder (PbF).

CAUTION:

Pb free solder has a higher melting point than standard solder; typically thmelting point is 50

-70°F (300 - 400°C) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature control,please set it to 700 ± 20°F (370 ± 10°C).

Pb free solder will tend to splash when heated too high (about 1100°F/ 600°C).

When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat the soldering points with the Pb free solder until it melts enough.

- 3 -

TC-20KL03A / TC-29KL03A

Operating Instructions

CLICK HERE TO SEE THE COMPLETE OPERATING INSTRUCTIONS

- 4 -

TC-20KL03A / TC-29KL03A

Feature Summary

Model

: TC-20KL03A / TC-29KL03A

Chassis

: MX5ZB

Country

: Brasil

System

: 3 systems (PAL-M/PAL-N/NTSC) (PAL-M 50hZ)

Power Source

: AC Automatic Voltage Selection 110-240 V AC, 60Hz

Memory

: 125 positions

TV Tuning Range

: 181 channels (TV / CATV)

Language (OSD)

: Portuguese, Spanish and English

Audio System

: Stereo

Vertical Magnetic field

: -0.1 ±0.03 (BRASIL)

Color temperature

: (High Light) x=0.270 ±0.010, y=0.275 ±0.001, Y=155 (nit)

 

(Low Light) x=0.245 ±0.010, y=0.235 ±0.001, Y=7.0 (nit)

Reference Voltage

Contents

Test Point

Adjustment Point

Voltage

 

 

 

 

 

+B VOLTAGE

TPA12

 

140

± 1,5V

 

 

 

 

 

 

TPA11

 

8

±1V

 

 

 

 

 

 

TPA10

 

5

±1V

 

 

 

 

 

TPA21

 

215 ±1V

 

 

 

 

Buzzing confirmation

A22-3

 

0.5 Vp-p

 

or TPA41

 

 

 

 

 

 

 

PAL color output

TPL2

D

2.45 ±0.1Vo-p

 

 

 

 

 

TPL1

C

2.45 ±0.5Vo-p

 

 

 

 

NTSC color output

TPL1

C

1.2 ±0.5Vo-p

 

 

 

 

Anode (EHT) voltage

CRT ANODE

 

26.5 +0.7 / -1.5 (kV)

 

 

 

 

 

 

Memory data

 

 

Model

Data

 

 

TC-20KL03A

[A]=C0H, [B]=00H, [C]=00H, [D]=3BH, [E]=00H, [F]=00H, [G]=40H, [H]=09H

TC-29KL03A

[A]=C0H, [B]=00H, [C]=00H, [D]=3BH, [E]=00H, [F]=00H, [G]=40H, [H]=09H

- 5 -

TC-20KL03A / TC-29KL03A

THE DAC CONTROL FOR MX5ZB FUNCTIONS ADJUSTMENTS

HOW TO ENTER IN THE SERVICE MODE:

1- Set the “OFF TIMER” to 30 minutes.

2- Press simultaneously “RECALL” key on the remote control and VOL(-) button on the unit.

After some seconds, the expression “CHK” should appear on the superior right side of the screen. (To change the memory data, to press MUTE and e VOLUME(_) simultaneously still with OSD in the way “CHK1”. The key “4” it moves forward in the memory, and the key “3” it retreats in the memory

Note: To alter in the way CHK1 for the CHK2, CHK3 or CHK4 mode, press the key “2” to move forward and the key “1” to retreat, as illustrated below.

TO EXIT SERVICE MODE AND RETURN TO THE NORMAL MODE:

Press the “NORMAL” key on the remote control unit or turn off the TV.

CHK1 - OPTIONS

Being in the way CHK1, it will be possible to adjust the options below:

Note:

To select the option, type “4” to move forward and “3” to retreat.

After having selected the wanted option, adjust it pressing the “VOL(_)” or “VOL(+)” keys. Press “0” to memorize the adjustment.

CHK1 OPTIONS TABLE

MEDIUM VALUES

OPTION TC-20KL03A TC-29KL03A

OPTION 1

C0

C0

OPTION 2

00

00

OPTION 3

00

00

OPTION 4

3B

3B

OPTION 5

00

00

OPTION 6

00

00

OPTION 7

40

40

 

 

 

OPTION 8

9

09

- 6 -

CHK2 - VCJ ADJUSTMENTS

In the CHK2 mode is possible to adjust the items of the table.

Note:

To select the option, type “4” to move forward and “3” to retreat.

After having selected the wanted option, adjust it pressing the “VOL(_)” or “VOL(+)” keys.

Press “0” To memorize the adjustment.

CHK3 - PINCUSHION ADJUSTMENTS

In the CHK2 mode is possible to adjust the items of the table.

Note:

To select the option, type “4” to move forward and “3” to retreat.

After having selected the wanted option, adjust it pressing the “VOL(_)” or “VOL(+)” keys.

Press “0” To memorize the adjustment.

CHK4 - WHITE BALANCE ADJUSTMENTS

In the CHK2 mode is possible to adjust the items of the table.

Note:

To select the option, type “4” to move forward and “3” to retreat.

After having selected the wanted option, adjust it pressing the “VOL(_)” or “VOL(+)” keys.

Press “0” To memorize the adjustment.

To obtain a horizontal line without vertical sweeping, press the “5” key when the OSD indicates the marked mode. To return to the “CHK4” mode, press “5” again.

CHK5 - STEREO ADJUSTMENTS

TC-20KL03A / TC-29KL03A

CHK2 TABLE

MEDIUM VALUES

ITEM

TC-20KL03A

TC-29KL03A

RF AGC

23

22

SUB COULOR

35

37

SUB TINT

31

32

CHK3 TABLE

MEDIUM VALUES

ITEM

TC-20KL03A

TC-29KL03A

V-SLOP

35

36

V-SHIFT 50Hz

1

2

 

 

 

V-SHIFT 60Hz

1

1

V-AMP 50Hz

27

17

V-AMP 60Hz

34

23

H-SHIFT

34

31

EW-WIDTH

23

23

EW-PARA

26

26

EW-UP COR

15

15

EW-LOW COR

15

15

EW-TRAPE

43

43

H-PARA

27

27

H-BOW

32

32

S-CORR-50Hz

18

26

S-CORR-60Hz

18

25

V-ZOOM-50Hz

25

25

V-ZOOM-60Hz

25

25

OSD H-POS

2

3

OSD V-POS-50Hz

27

25

OSD V-POS-60H

18

21

CHK4 TABLE

MEDIUM VALUES

ITEM

TC-20KL03A

TC-29KL03A

R-CUT

29

33

G-CUT

26

25

S-BRT

26

25

SUB CONTRAST

21

21

R-DRIVE

26

27

G-DRIVE

31

31

B-DRIVE

33

35

RGB CONTRASTE

7

11

TABELA CHK5

VALORES MÉDIOS

ITEM

TC-20KL03A

TC-29KL03A

INPUT LEVEL

40

41

LB SEPARATION

10

9

HB SEPARATION

27

28

- 7 -

TC-20KL03A / TC-29KL03A

ADJUSTMENTS

TEST AND MEASUREMENT EQUIPMENTS

To do all these electrical adjustments, the following equipment is required:

Dual-Trace Oscilloscope

Voltage Range: 0.001 V to 50 V/Div. Frequency Range: DC to 50 MHz

Probes: 10:1, 1:1

NTSC Video Pattern Generator

DVM (Digital Volt Meter)

MTS/SAP Signal Generator

(TV Multi-Channel Sound Modulator (U.S.A.))

Plastic Tip Driver and Non-Metal Driver

Isolation Transformer (Variable)

Degaussing Coil

White Pattern Generator

Audio Generator

- 8 -

 

 

 

 

 

 

 

 

 

 

 

 

TC-20KL03A / TC-29KL03A

 

ADJUSTMENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ITEM / PREPARATION

 

 

 

PROCEDURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1- RF AGC ADJUSTMENT

ADJUSTMENT:

 

 

 

 

 

 

 

 

1. Supply a color bar pattern and adjust the RF input signal

1. Select “RF AGC” in the “CHK2” service mode.

 

 

of to 69 dB.

 

2. Adjusts "RF AGC" pressing VOL(+) or (-) until obtaining

 

2. Connect the digital multimeter in TPA15.

2.2±0.1V in TPA20.

 

 

 

 

 

 

 

 

 

 

 

3. Increase the input level by +2 dB and confirm that the

 

 

 

 

voltage decrease.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2- VIF DETECTOR OUTPUT LEVEL

CONFIRMATION:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONFIRMATION

1. Install the chassis in the VIF calibration JIG and tune in a

 

 

 

 

 

 

 

 

63 dBU colorbar sign (75W open).

 

 

 

 

 

 

 

 

2. To connect the oscilloscope in TPA33.

 

 

 

 

3. To confirm that the output video sign is 1.05 ± 0.15 Vp-p

 

 

 

 

in TPA 33.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3- BUZZING CONFIRMATION

CONFIRMATION:

 

 

 

 

 

 

 

 

 

(AUDIO CIRCUIT)

1. Supply a colorbar signal channel 2, with local frequency

 

 

 

 

 

1. Connect the oscilloscope with a 7kHz filter between

adjusted and the AFC turned on (Channel with sound

 

 

TPA41 and ground or between the speaker’s terminals

bearer and without modulation).

 

 

 

 

 

2. Adjust the sound to the maximum..

2. Assure that the width in the buzzing waveform is smaller

 

3. BALANCE

: CENTER

than 500 m Vp-p.

 

 

 

 

 

 

 

 

 

SURROUND

: OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

AVL

: OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

SOUND MENU : DIALOGUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4- ANODE AND HEATER VOLTAGE CONFIRMATION

CONFIRMATION

 

 

 

 

 

 

 

 

1. Supply a crosshatch signal.

1. Connect a voltage meter between TPA12 and ground.

 

2. Adjust the bunch current in zero. (0 beam).

Confirm that the voltage +B is within a range of 140.5V±

 

3. Adjust “SCREEN VR” and “CONTRAST” to minimum.

1.5V

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Connect a high frequency voltage meter (VRMS.) among

 

 

 

 

the heater, and confirm that the voltage is as below:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20”

PHILIPS

A48EAK01X

 

6,15 ± 0,20 Vrms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20”

SAMSUNG

A48KRD89X

 

6,30 ± 0,24 Vrms

 

 

 

 

 

 

29”

PHILIPS

A68AJB82X

 

6,30 ± 0,24 Vrms

 

 

 

 

 

3. Connect the high voltage meter in the CRT anode pin,

 

 

 

 

and confirm that the high voltage is within a range of [A].

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CRT

[A] KV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29”

30,5 ~ 27,6

 

 

 

 

 

 

 

 

 

 

 

20”

27,2 ~ 25,0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- 9 -

TC-20KL03A / TC-29KL03A

ADJUSTMENTS

 

 

ITEM /

PREPARATION

PROCEDURE

 

 

 

 

5- PAL COLOR OUTPUT SIGNAL ADJUSTMENT

CALIBRATION:

 

1.

Supply a color bar signal and adjust the local frequency.

1. Connect the oscilloscope in TPL2 (G-OUT) with a 10KΩ

2. Adjust “IMAGE” to DYNAMIC NORMAL, “CONTRAST” to

resistor and adjust “CONTRAST”, so that the [B] waveform

 

63 and “SUB-CONTRAST” to 21.

 

 

it is 2.6±0.1V according to fig. 1.

 

3. Adjust the “COLOR FOR CHANNEL” level to NORMAL.

2. Adjust “SUB-COLOR” to obtain 2,45±0.1V in [D]

4.

Set the CHK2 service mode option, press “5” on the remote

according to fig. 1.

 

 

control unit and confirm that OSD becomes blue (AKB

3. Connect the oscilloscope in TPL1 (R-OUT) with a 10KΩ

 

turned off).

 

 

 

 

 

resistor and confirm that the [C] waveform it is 2.45±0.1V

5.

Connect a short circuit jumper between TPA10 and TPA20.

according to fig. 2.

 

6.

Adjust [A] for 2.3 ± 0.2V through the BRIGHT control

4. Remove the jumper between TPA10 and TPA20, press

 

variation in the test point TPL2.

 

 

the key “5” (AKB ON) and confirm that OSD becomes

7.

Confirm:

 

 

 

 

 

white.

 

 

 

 

 

 

 

 

 

 

 

 

 

CRT

 

20”

 

29”

 

 

 

 

 

RGB Contrast

 

7 DAC

 

9 DAC

 

 

 

 

 

{354}

 

17

 

19

 

 

 

 

 

 

 

 

 

 

8. Fix G-DRIVE GAIN, R-DRIVE GAIN and B-DRIVE GAIN

Fig. 1

Fig. 2

 

data in 1FH or 31 DAC.

 

 

 

 

 

A = 2.3 ±0.2Vo-p

A = 2.3 ±0.2Vo-p

 

R-DRIVE GAIN: [SLV(8A), SUB (16)]

 

 

B = 2.4±0.1V

C = 2.45±0.1V

 

G-DRIVE GAIN: [SLV(8A), SUB (17)]

 

 

D = 2.45±0.1V

 

 

 

 

 

 

 

B-DRIVE GAIN: [SLV(8A), SUB (18)]

 

 

 

 

 

 

 

 

6- NTSC SUB-TINT CALIBRATION

 

 

NTSC 3.58 COLOR SYSTEM CALIBRATION

1. Connect the oscilloscope in TPL2 (R-OUT) with a 10KW

1. Adjust [C] for 5.0±0.2V through the BRIGHT control

 

resistor.

 

 

 

 

 

variation (CHK2) according to fig. 1.

 

2.

Supply a Rainbow signal (NTSC 3.58 MHz) through

2. Adjust the NTSC SUB-TINT level according to fig. 1

 

VIDEO IN.

 

 

 

 

 

positions 2, 3 and 4.

 

3.

Adjust “IMAGE” to DYNAMIC NORMAL.

3. Remove the jumper.

 

4.

Adjust “COLOR FOR CHANNEL” to NORMAL.

4. Press “5” and confirm that OSD becomes white (AKB

5.

Set the CHK2 service mode option, press “5” on the

turned on).

 

 

remote control unit and confirm that OSD becomes blue

 

 

 

(AKB turned off).

 

 

 

 

 

 

 

6.

Connect a short circuit jumper between TPA10 and

 

 

 

TPA20.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 1

Fig. 2

 

 

 

 

 

7- MTS CALIBRATION

 

 

ADJUSTMENT:

 

1.

Connect the RMS voltage meter through the JIG filter in

1. Supply the signal through RF antenna input.

 

TPA44.

 

 

 

 

 

VIDEO: 100 IRE FLAT FIELD , 30% of modulation.

2.

Connect the RF generator in the tuner terminal.

AUDIO: 300 Hz , 100% of modulation, monoaural (70 ±

3.

Adjust “AVL” to ON.

 

 

 

 

 

5dB, open, 75W, P/S 10dB) 75 µs with pre-enfasis OFF.

 

 

 

 

 

 

 

 

2. Adjust INPUT LEVEL (CHK5) to obtain 106 ± 6 mVrms

 

 

 

 

 

 

 

 

in the RMS voltage meter.

 

 

 

 

 

 

 

 

 

 

 

- 10 -

TC-20KL03A / TC-29KL03A

ADJUSTMENTS

ITEM / PREPARATION

 

PROCEDURE

 

 

8- MTS CALIBRATION

ADJUSTMENT:

STEREO SEPARATING ADJUSTMENT

 

 

 

1.

Select stereo mode in the audio menu.

1. Connect the oscilloscope in TPA42.

2.

Supply the signal through RF antenna input:

 

VIDEO: 100 IRE FLAT FIELD, 30% of modulation

2. Connect the RF generator in the tuner terminal.

 

 

AUDIO: 300 Hz, 30% of modulation, stereo (left only)

3. Adjust “AVL” to ON.

 

 

(70 ± 5 dB, open, 75W, P/S 10dB)

 

 

 

3.Adjust LB SEPARATION (CHK5) so that the sign

 

 

visualized in the oscilloscope is minimum.

 

4.

Supply the signal through RF antenna input:

 

 

VIDEO: 100 IRE FLAT FIELD, 30% of modulation

 

 

AUDIO: 3 kHz, 30% of modulation, stereo (left only) (70

 

 

± 5 dB, open, 75W, P/S 10dB)

 

5.

Adjust HB SEPARATION (CHK5) so that the sign

 

 

visualized in the oscilloscope is minimum

 

6.

Repeat the steps 2 to 5.

9- PROTECTION CIRCUIT (SHUTDOWN)

CONFIRMATION:

 

 

 

OPERATION

 

 

 

 

 

 

 

 

1.

Connect the voLtmeter in TPA22 and confirm that the

1. Supply a CROSS-HATCH signal.

 

voltage is smaller than [A].

 

 

 

2. Adjust CONTRAST and BRIGHT controls to minimum.

2.

Connect a DC source in TPA22 and confirm that the

 

 

protection circuit doesn't act when the voltage is [B].

 

3.

Confirm that the protection circuit acts with smaller

 

 

voltage than [C].

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Condition / CRT

 

20 pol

29 pol

 

 

 

 

[A]

 

22,03V

24,12V

 

 

 

 

 

 

 

 

 

 

 

 

[B]

 

23,02V

24,50V

 

 

 

 

 

 

 

 

 

 

 

 

[C]

 

25,52V

27,56V

 

 

 

 

 

 

 

 

 

10FOCUS CALIBRATION

CALIBRATION:

• Assure that the SUB-BRIGHTNESS adjustment has been

1.

Adjust the FOCUS variable resistor for the point of

done.

better adjustment.

 

with PHILIPS signal .... take as reference for

1. Supply a Philips or monoscope pattern signal.

 

adjustment the third vertical line (fig. 1).

2. Adjust MENU OF IMAGE to DYNAMIC NORMAL.

with MONOSCOPE signal in the number 4 (fig.2).

 

 

4

Fig. 1

 

Fig. 2

 

 

- 11 -

TC-20KL03A / TC-29KL03A

AJUSTMENTS

ITEM

/ PREPARATION

 

 

 

PROCEDURE

 

 

 

 

 

 

11- VERTICAL DEFLECTION CALIBRATION AND

S-CORR CONFIRMATION AND CALIBRATION

CONFIRMATION

1) Confirmation in 50Hz

 

 

 

 

 

 

1. Adjust IMAGE to DYNAMIC NORMAL

1. Supply a PHILIPS PAL-N signal.

 

 

2.

Confirm that S-CORR 50Hz is in [18] DAC.

 

 

2) Confirmation in 60Hz

 

 

 

 

1.

Supply a MONOSCOPE signal.

 

 

2.

Confirm that S-CORR 60Hz is in [18] DAC.

 

 

3) V-SLOPE calibration

 

 

 

 

1.

Supply a MONOSCOPE signal.

 

 

2. Adjust V_SLOPE (CHK3) so that the beginning of the

 

 

 

black part of the image be aligned with the center of

 

 

 

the CRT as Fig. 1.

 

 

 

 

4) VERTICAL CENTRALIZATION 50 HZ CALIBRATION

 

Fig. 1

1. Supply a PAL-N Philips signal.

 

 

 

2. Adjust V-SHIFT 50Hz (CHK3) so that the Philips

 

 

 

 

 

pattern’s center it is in the CRT center.

 

 

5) VERTICAL CENTRALIZATION 60 HZ CALIBRATION

 

 

1.

Supply a MONOSCOPE signal.

 

 

2.

Adjust V-SHIFT 60Hz (CHK3) so that the monoscope

 

 

 

pattern’s it is in the CRT center

 

 

6) VERTICAL HEIGHT (V-AMP 50HZ) CALIBRATION

 

 

1.

Supply a PHILIPS PAL-N signal.

 

 

2.

Adjust V-AMP-50Hz (CHK3) so that the Philips pattern’s

 

 

 

circle height be the same dimension of the width.

 

 

7) VERTICAL HEIGHT (V-AMP 60HZ) CALIBRATION

 

 

1.

Supply a MONOSCOPE signal.

 

 

2.

Adjust V-AMP-60Hz (CHK3) so that, in the Fig.2, be:

 

 

 

 

 

 

 

 

 

 

 

 

 

CRT->

20”

 

29”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C,D

1.9 ~ 2.2

 

1.5 ~ 2.0

 

 

Fig. 2

 

 

A,B

1.5 ~ 2.3

 

1.5 ~ 1.6

 

 

 

3. MEMORIZE in EEPROM.

 

 

 

 

 

 

 

 

 

12CRT CUT OFF CALIBRATION

CALIBRATION:

 

 

 

 

1. Supply a WINDOWS signal.

1. Press “5” (AKB OFF) and confirm that OSD becomes blue.

2. Position DACs with the data below:

2. Connect the oscilloscope in TPL7 and adjust BRT to obtain

BRT e S-BRT

—> 32H

130V as in the Fig. 1 below.

 

 

RGB CONTRAST

—> 09H (29 pol) e 07H (20 pol)

3. Adjust the SCREEN to obtain in the color analyzer

SUB-CONTRAST

—> 21H

Y = 1.0 +1.0

 

 

 

 

R,G,B DRIVE

—> 31H

 

-0.5

 

 

 

 

R,G CUT

—> 31H

4. Press “5” (AKB OFF) and confirm that OSD becomes blue.

 

 

white.

 

 

 

 

 

 

 

 

 

Fig. 1

 

 

 

 

 

 

 

 

 

 

 

- 12 -

TC-20KL03A / TC-29KL03A

EEPROM MEMORY MAPS

Observation:

*/XX : Data subjects to alterations in the calibration process (values no fixed).

@: Data of channels

[A-M] : Corresponds to the specification of specific production of each model.

: Fixed data (it doesn't alter in the calibration process)

SUB-ADDRESS

00:Any larger value than 63H will select the channel “0.”

01:Bit 1, Bit 2, Bit 3, Bit 5, Bit 6 should be fixed to “0”

2:Bit 4, Bit 5, Bit 6 should be “0” and Bit 7 should be “1”.

N = AA = ON / 55 OFF (ADJUST: PRESET) O = AA = ON/ 55 OFF (CLOSED CAPTION) P = 0 – ENGLISH / CHINESE

1 – SPANISH / PORTUGUESE / ENGLISH

2 – ENGLISH / TAGLISH

3 – ENGLISH

[G] - STEREO

00 – NICAM STEREO (TDA9875)

01 – AV STEREO (TDA9859)

02 – US STEREO

03 – AV STEREO (TDA9870)

TABLE A0 (0XX)

 

00

01

02

03

04

05

06

07

08

09

0A

0B

0C

0D

0E

0F

00

02

00

06

01

00

06

02

00

06

03

00

06

04

00

06

05

10

00

06

06

00

06

07

00

06

08

00

06

09

00

06

0A

00

20

06

0B

00

06

0C

00

06

0D

00

06

0E

00

06

0F

00

06

30

10

00

06

11

00

06

12

00

06

13

00

06

14

00

06

15

40

00

06

16

00

06

17

00

06

18

00

06

19

00

06

1A

00

50

06

1B

00

06

1C

00

06

1D

00

06

1E

00

06

1F

00

06

60

20

00

06

21

00

06

22

00

06

23

00

06

24

00

06

25

70

00

06

26

00

06

27

00

06

28

00

06

29

00

06

2A

00

80

06

2B

00

06

2C

00

06

2D

00

06

2E

00

06

2F

00

06

90

30

00

06

31

00

06

32

00

06

33

00

06

34

00

06

35

A0

00

06

36

00

06

37

00

06

38

00

06

39

00

06

3A

00

B0

06

3B

00

06

3C

00

06

3D

00

06

3E

00

06

3F

00

06

C0

40

00

06

41

00

06

42

00

06

43

00

06

44

00

06

45

D0

00

06

46

00

06

47

00

06

48

00

06

49

00

06

4A

00

E0

06

4B

00

06

4C

00

06

4D

00

06

4E

00

06

4F

00

06

F0

50

00

06

51

00

06

52

00

06

53

00

06

54

00

06

55

- 13 -

TC-20KL03A / TC-29KL03A

TABLE A2 (1XX)

 

00

01

02

03

04

05

06

07

08

09

0A

0B

0C

0D

0E

0F

00

00

06

56

00

06

57

00

06

58

00

06

59

00

06

5A

00

10

06

5B

00

06

5C

00

06

5D

00

06

5E

00

06

5F

00

06

20

60

00

06

61

00

06

62

00

06

63

00

06

64

00

06

65

30

00

06

66

00

06

67

00

06

68

00

06

69

00

06

6A

00

40

06

6B

00

06

6C

00

06

6D

00

06

6E

00

06

6F

00

06

50

70

00

06

71

00

06

72

00

06

73

00

06

74

00

06

75

60

00

06

76

00

06

77

00

06

78

00

06

79

00

06

7A

00

70

06

7B

00

06

7C

00

06

7D

00

06

00

00

00

00

00

00

80

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

90

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

A0

06

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

B0

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

C0

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

D0

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

E0

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

F0

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

TABLE A4 (2XX)

 

00

01

02

03

04

05

06

07

08

09

0A

0B

0C

0D

0E

0F

00

02

00

A5

5A

00

01

01

00

00

08

00

04

00

00

01

00

10

00

00

00

00

00

00

00

00

20

00

00

00

00

00

00

00

20

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

30

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

40

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

50

20

20

20

3F

2D

20

20

20

2D

20

1E

20

20

23

1E

20

60

2D

2A

34

32

24

24

00

00

00

20

20

20

00

00

00

00

70

00

00

00

00

00

00

00

00

00

00

00

00

00

00

78

BB

80

20

20

20

3F

2D

20

20

20

2D

20

1E

20

20

23

1E

34

90

32

24

24

00

00

00

2D

2A

00

00

00

00

00

00

00

00

A0

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

B0

*1

*2

*3

0C

00

1B

00

00

00

40

40

40

00

00

00

00

C0

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

D0

0C

10

15

04

06

06

00

04

00

00

00

00

00

00

00

00

E0

00

00

00

00

00

00

00

00

[A]

[B]

[C]

[D]

[E]

[F]

[G]

[H]

F0

00

00

18

20

15

1A

00

00

00

00

00

00

00

A5

3F

A5

TABLE A6 (3XX)

 

00

01

02

03

04

05

06

07

08

09

0A

0B

0C

0D

0E

0F

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

10

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

20

00

00

B6

B7

20

10

28

18

B0

00

00

00

00

00

00

00

30

1B

20

00

22

17

1A

0F

0F

2B

24

1F

*4

20

19

1F

1F

40

1F

1F

1F

00

06

00

00

00

10

24

C0

00

2A

00

34

20

50

30

21

02

4A

*5

44

00

00

00

00

00

*6

FE

00

00

00

60

02

FF

1C

*7

19

00

00

00

00

00

00

00

00

00

00

00

70

00

00

00

00

00

00

00

00

10

00

00

00

00

00

00

00

80

00

00

00

00

00

00

00

0E

11

0D

06

0C

07

0C

02

00

90

09

00

FA

F7

00

00

00

0A

F8

*8

00

00

00

00

00

03

A0

01

03

02

03

03

00

34

00

00

00

20

63

03

00

20

30

B0

4A

49

4B

00

33

00

00

FF

FC

04

05

05

FC

F8

00

F2

C0

20

07

4F

40

40

00

00

00

00

00

00

00

00

00

00

00

D0

86

*9

*10

03

00

00

00

05

*11

*12

*13

F2

03

00

00

00

E0

20

15

02

00

00

08

00

00

00

00

00

00

00

00

00

00

F0

00

00

00

00

00

00

00

00

00

00

00

00

00

00

00

11

- 14 -

Panasonic tc20kl3, TC 2029KL03A Diagram

TC-20KL03A / TC-29KL03A

SCHEMATIC DIAGRAMS

CRT BOARD SCHEMATIC DIAGRAM (L)

- 15 -

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