Panasonic TC-20KL04A Service Manual
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Panasonic TC-20KL04A Service Manual

Gp3 chassis
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Service Manual
GP3 CHASSIS
TC-20KL04A
TC-20KL04P
TC-29KL04A
TC-29KL04P
Specifications
TELEVISION
Power source
Consumption
Antenna input jack
Color systems
Tuning system
Channel capability
Picture tube
Audio output
Video input jack
Video Outlet
Dimension (W x H x D)
Weight
Specifications are subject to change without notice. Weight and dimensions shown are approximate.
Remote Control Transmiter:
Power Source
Infrared Length
Number of Buttons
Dimensions (W x H x D)
Panasonic
TC-20KL04A
Automatic Switching
110/220V AC, 50/60Hz
74 W
75Ω - VHF/UHF/CATV
PAL-M/NTSC/PAL-N
F.S.T.
2 to 13 (VHF)
14 to 69 (UHF)
1 to125 (CATV)
Panablack 48cm
3 W + 3W (RMS)
1AV (rear)
1 (rear)
600 x 473 x 487 mm
17,7 kg
TNQ2B2902
3V (2 AA type batteries)
9500 Å (Angstron)
29 keys
(54 x 27 x 135) mm
®
TC-20KL04P
Automatic Switching
Automatic Switching
110/220V AC, 50/60Hz
110/220V AC, 50/60Hz
74 W
115 W
75Ω - VHF/UHF/CATV
75Ω - VHF/UHF/CATV
PAL-M/NTSC/PAL-N
PAL-M/NTSC/PAL-N
F.S.T.
F.S.T.
2 to 13 (VHF)
2 to 13 (VHF)
14 to 69 (UHF)
14 to 69 (UHF)
1 to125 (CATV)
1 to125 (CATV)
Panablack 48cm
Panablack 74cm
3 W + 3W (RMS)
5 W + 5W (RMS)
1AV (rear)
1AV (rear)
1 (rear)
1 (rear)
600 x 473 x 487 mm
760 x 579 x 512 mm
17,7 kg
34,0 kg
Order DCS - SET2004 - 001 - MS
Color Television
TC-29KL04A
TC-29KL04P
Automatic Switching
110/220V AC, 50/60Hz
115 W
75Ω - VHF/UHF/CATV
PAL-M/NTSC/PAL-N
F.S.T.
2 to 13 (VHF)
14 to 69 (UHF)
1 to125 (CATV)
Panablack 74cm
5 W + 5W (RMS)
1AV (rear)
1 (rear)
760 x 579 x 512 mm
34,0 kg
Supplied Accessories:
• 1 Remote Control Transmitter
• 1 300Ω/75Ω Balum
• 2 "AA" (or R6) batteries (1.5V; ABNT/IEC)
© 2004 Panasonic da Amazônia S/A.
CS Division
Technical Support

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Summary of Contents for Panasonic TC-20KL04A

  • Page 1 9500 Å (Angstron) • 2 “AA” (or R6) batteries (1.5V; ABNT/IEC) Number of Buttons 29 keys Dimensions (W x H x D) (54 x 27 x 135) mm Panasonic ® © 2004 Panasonic da Amazônia S/A. CS Division Technical Support...

  • Page 2: Table Of Contents

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P 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 with the manufacturer’s specified replacement parts to prevent X-ray radiation, shock, fire or other hazards.
  • Page 3 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P ABOUT LEAD FREE SOLDER (PbF) Note: In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that contains lead. We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin (Sn), Silver, (Ag), and Copper, (Cu).

  • Page 4: Operating Instructions

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P OPERATING INSTRUCTIONS - 4 -...

  • Page 5: Ic601 - Pinout

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P IC601 - PINOUT Symbol Description P3.1/ADC1 port 3.1 or ADC1 input P3.2/ADC2 port 3.2 or ADC2 input P3.3/ADC3 port 3.3 or ADC3 input VSSC/P digital ground for m-Controller core and periphery P0.5 port 0.5 (8 mA current sinking capability for direct drive of LEDs) P0.6/CVBSTD...

  • Page 6: Ic Voltage Tables

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P IC601 - PINOUT Symbol Description Blue output VDDA analog supply of Teletext decoder and digital supply of TV-processor (3.3 V) OTP Programming Voltage VDDC digital supply to core (3.3 V) OSCGND oscillator ground supply...

  • Page 7: Ic601 - Block Diagram

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P IC601 - BLOCK DIAGRAM - 7 -...

  • Page 8: Gp3 Chassi Feature Summary

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P CHASSIS GP3 FEATURE SUMMARY CHASSIS : GP3 MODEL : TC-20KL04A, TC-20KL04P, TC-29KL04A, TC-29KL04P. SYSTEM : 3 systems (PAL-M/PAL-N/NTSC) (PAL-M 50hZ) POWER SOURCE : AC automatic power switching (110/220)V, 50/60Hz MEMORY : 125 positions...

  • Page 9: The Dac Control Functions For The Gp3 Chassis

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P THE DAC CONTROL FOR GP3 CHASSIS FUNCTIONS AND 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.

  • Page 10: Adjustments

    On CHK2 mode it is possible to adjust the items of the table shown here. Standard values Note: To select an item, type “4” to move forward and “3” to move back. ITEM TC-20KL04A/P TC-29KL04A/P After having selected the desired option, adjust it by pressing the “VOL( _ )” or RF AGC CONT “VOL(+)”...

  • Page 11: Test And Measurement Equipments Required

    TC-14A04A / TC-20A04A ADJUSTMENTS TEST AND MEASUREMENT EQUIPMENTS To execute all these electrical adjustments, the following equipment are 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 •...

  • Page 12: 1- Vif Detector Output Level Confirmation

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P ADJUSTMENTS ITEM / PREPARATION PROCEDURE ADJUSTMENT: 1- RF AGC ADJUSTMENT 1. Select “RF AGC” on “CHK2” service mode. 1. Supply a color bar pattern and adjust the RF input signal of 69 dB µV (75Ω opened channel 07 RF freq.: 175.25 2.

  • Page 13: 5- Pal Color Output Level Adjustment

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P 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...

  • Page 14: 8- Sub-Brightness And Sub-Contrast Calibration

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P ADJUSTMENTS ITEM / PREPARATION PROCEDURE 8- SUB-BRIGHT AND SUB-CONTRAST SUB-BRIGHT CALIBRATION CALIBRATION 1. Position the color analyzer in the LOW LIGHT image area. Supply a WINDOW pattern signal 2. Ajust S-BRT <CHK 4> control, so that it is Y=0,7±0.2.

  • Page 15: 14- Crt Cut Off Calibration

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P ADJUSTMENTS ITEM / PREPARATION PROCEDURE 11- WHITE QUALITY CALIBRATION CALIBRATION: PREPARATION: 1. Adjust the magnetic field in 0.4x10-4T (400 mG), and check the white quality with the CRT turned to EAST and to WEST.

  • Page 16: 15- Vertical Deflection Calibration

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P ADJUSTMENTS ITEM / PREPARATION PROCEDURE 14- 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 [A] DAC .

  • Page 17: Eeprom Memory Maps

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P 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.
  • Page 18 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P TABLE A4 (2XX) TABLE A6 (3XX) EEPROM MEMORY MAPS DIFERENCES ITEM ADDR 20KL 29KL FUNCTION Osd H pos Osd V-pos 50Hz Osd V-pos 60Hz S-corretion 50Hz RGB contrast S-corretion 60Hz Color AV offset...

  • Page 19: Schematics Diagrams

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P SCHEMATIC DIAGRAMS CRT PCB SCHEMATIC DIAGRAM - 19 -...

  • Page 20: G" Pcb Schematics Diagrams

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P “G” P.C.B. SCHEMATIC DIAGRAM Frontal AV and Headphone Connectors - 20 -...

  • Page 21: R" Pcb Schematics Diagrams

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P “R” P.C.B. SCHEMATIC DIAGRAM Remote Control Receptor - 21 -...

  • Page 22: Z" Pcb Schematics Diagrams

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P “Z” P.C.B. SCHEMATIC DIAGRAM - 22 -...

  • Page 23: Main Pcb Schematic Diagram

    MAIN P.C.B. SCHEMATIC DIAGRAM - TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Veja a descrição da pinagem na tabela abaixo - 23 -...

  • Page 24: Main Pcb Layout

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P MAIN BOARD CIRCUIT LAYOUT - 24 -...

  • Page 25: Signal Waveforms

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P SIGNAL WAVEFORM • All waveforms were obtained using 127V 60Hz power source and Color Bars Pattern (Model: TC-20KL04) IC451 Pin 1 Pin 5 Pin 7 IC601 Pin 16 Pin 17 - 25 -...
  • Page 26 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P IC601 Pin 18 Pin 19 Pin 38 Pin 40 Pin 42 Pin 55 - 26 -...
  • Page 27 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P IC601 Pin 56 Pin 57 Pin 58 Pin 63 Pin 64 - 27 -...
  • Page 28 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P IC804 Q551 Pin 1 Collector Q501 Base Collector Q601 Q602 Emiter Collector - 28 -...

  • Page 29: Exploded View

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P EXPLODED VIEW - 29 -...

  • Page 30: Replacement Mechanical Parts List

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P REPLACEMENT MECHANICAL PARTS LIST REF. DESCRIÇÃO TC-20KL04A TC-20KL04P TC-29KL0A4 TC-29KL04P FULL RANGE SPEAKER EASZ12D06A8 EASZ12D06A8 EASZ12D06A8 EASZ12D06A8 DEGAUSSING COIL TLK2BA003 TLK2B20001A TLK2BA001A TLK2B20001A POWER BUTTON TBX2B867 TBX2B867 TBX2B868 TBX2B868-1 6 POSITIONS BUTTON TBX2B865...

  • Page 31: Replacement Electrical Parts List

    TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P REPLACEMENT ELECTRICAL PARTS LIST Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description PLACAS MONTADAS PAL20KL04AMON PAL20KL04PMON PAL29KL04AMON PAL29KL04PNMON AL BOARD ASS’Y CAPACITORES C001...
  • Page 32 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description C618 F1B1H681A130 F1B1H681A130 F1B1H681A130 F1B1H681A130 CAP. CERÂMICO RADIAL 680PF 50V C619 ECQV1H104JL3 ECQV1H104JL3 ECQV1H104JL3 ECQV1H104JL3 CAP.
  • Page 33 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description C1142 ECJ2VF1H104Z ECJ2VF1H104Z ECJ2VF1H104Z ECJ2VF1H104Z CAP. CERÂMICO SMD 100nF 50V C2101 F2A1C101A180 F2A1C101A180 F2A1C101A180 F2A1C101A180 CAP.
  • Page 34 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description D362 B0HAGP000003 B0HAGP000003 B0HAGP000003 B0HAGP000003 DIODO RETIFICADOR 400V 0,5 A D363 MA3X152K0L MA3X152K0L MA3X152K0L MA3X152K0L...
  • Page 35 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description IC1201 C0CBABC00037 C0CBABC00037 C0CBABC00037 C0CBABC00037 IC D-A REG. VOLT. VO= 3V, VIN= 4~15V IC2101 C1AB00001960...
  • Page 36 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description RESISTORES R003 ERJ6GEYJ100V ERJ6GEYJ100V ERJ6GEYJ100V ERJ6GEYJ100V RESISTOR SMD 10Ω 1/8 W R004 ERG3FJ183H ERG3FJ183H ERG3FJ183H ERG3FJ183H RESISTOR ÓXIDO METAL 18KΩ...
  • Page 37 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description R584 ERJ6GEYJ563V ERJ6GEYJ563V ERJ6GEYJ563V ERJ6GEYJ563V RESISTOR SMD 56KΩ 1/8 W R585 ERJ6GEYJ272V ERJ6GEYJ272V ERJ6GEYJ272V ERJ6GEYJ272V RESISTOR SMD 2,70 KΩ...
  • Page 38 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description R1059 ERJ6GEYJ222V ERJ6GEYJ222V ERJ6GEYJ222V ERJ6GEYJ222V RESISTOR SMD 2,20 KΩ 1/8 W R1060 ERJ6GEYJ683V ERJ6GEYJ683V ERJ6GEYJ683V ERJ6GEYJ683V RESISTOR SMD 68KΩ...
  • Page 39 TC-20KL04A / TC-20KL04P / TC-29KL04A / TC-29KL04P Ref. No. TC-20KL04A Part No. TC-20KL04P Part No. TC-29KL04A Part No. TC-29KL04P Part No. Part Name & Description CHAVES S1001 EVQ11G05R EVQ11G05R EVQ11G05R EVQ11G05R CHAVE DE TOQUE RADIAL S1002 EVQ11G05R EVQ11G05R EVQ11G05R EVQ11G05R...
  • Page 40 Panasonic da Amazônia S.A. CS DIVISION - TECHNICAL SUPPORT Rod. Presidente Dutra, Km 155 São José dos Campos - SP...

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