Panasonic TC-20KL03A Service Manual
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Panasonic TC-20KL03A Service Manual

Panasonic TC-20KL03A Service Manual

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TELEVISION
Power source
Consumption
Antenna input jack
Color systems
Tuning system
Channel capability
Picture tube (Diagonal Visual)
Audio system
Video input jack
Audio input jack
Video Outlet
Audio Outlet
Dimension (width, height, depth)
Weight
Remote Control Transmiter:
Power Source
Infrared Length
Number of Buttons
Dimensions (W x H x D)
Specifications are subject to change without notice. Weight and dimensions shown are approximate.
Panasonic
110/220 V AC, 50/60 Hz automatic switch
75 ohms - VHF/UHF/CATV
PAL-M/NTSC/PAL-N
1 (back) + 1 (front)
1 (back) + 1 (front)
1 (back) + 1 (earphone)
600 x 473 x 487 (mm)
3V (2 AA type batteries)
9500 A (Angstron)
29 keys
(54 x 27 x 135) mm
TC-20KL03A
79 W
F.S.T.
2 to 13 (VHF)
14 to 69 (UHF)
1 to125 (CATV)
Panablack 48 cm
50 W PMPO
1 (back)
17.7 kg
Order DCS - NOV2003 - 001 - MS
TC-20KL03A
110/220 V AC, 50/60 Hz automatic switch
120 W
75 ohms - VHF/UHF/CATV
PAL-M/NTSC/PAL-N
F.S.T.
2 to 13 (VHF)
14 to 69 (UHF)
1 to125 (CATV)
Panablack 68 cm
82 W PMPO
1 (back) + 1 (front)
1 (back) + 1 (front)
1 (back)
1 (back) + 1 (earphone)
760 x 579 x 512 (mm)
34 kg
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)
© 2003 Panasonic da Amazônia S/A
CS Division
Technical Support

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Summary of Contents for Panasonic TC-20KL03A

  • Page 1 • 2 “AA” (or R6) batteries (1.5V; ABNT/IEC) Number of Buttons 29 keys • 1 Internal antenna (for TC-20KL03A only) Dimensions (W x H x D) (54 x 27 x 135) mm Specifications are subject to change without notice. Weight and dimensions shown are approximate.
  • Page 2 TC-20KL03A / TC-29KL03A...

  • Page 3: About Lead Free Solder (Pbf)

    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 ±...

  • Page 4: Operating Instructions

    TC-20KL03A / TC-29KL03A Operating Instructions CLICK HERE TO SEE THE COMPLETE OPERATING INSTRUCTIONS...

  • Page 5: Feature Summary

    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...

  • Page 6: How To Enter In The Service Mode

    TC-20KL03A / TC-29KL03A HOW TO ENTER IN THE SERVICE MODE: 1- Set the “OFF TIMER” to 30 minutes. 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”...
  • Page 7 TC-20KL03A / TC-29KL03A CHK2 - VCJ ADJUSTMENTS CHK2 TABLE 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. ITEM TC-20KL03A TC-29KL03A After having selected the wanted option, adjust it pressing the “VOL( _ )”...

  • Page 8: Test And Measurement Equipments

    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 •...
  • Page 9 TC-20KL03A / TC-29KL03A ADJUSTMENTS Supply a color bar pattern and adjust the RF input signal of to 69 dB. Connect the digital multimeter in TPA15. Supply a colorbar signal channel 2, with local frequency adjusted and the AFC turned on (Channel with sound bearer and without modulation).
  • Page 10 TC-20KL03A / TC-29KL03A ADJUSTMENTS 5- PAL COLOR OUTPUT SIGNAL ADJUSTMENT Ω 1. Supply a color bar signal and adjust the local frequency. 2. Adjust “IMAGE” to DYNAMIC NORMAL, “CONTRAST” to 63 and “SUB-CONTRAST” to 21. 3. Adjust the “COLOR FOR CHANNEL” level to NORMAL.
  • Page 11 TC-20KL03A / TC-29KL03A ADJUSTMENTS • Assure that the SUB-BRIGHTNESS adjustment has been done. Supply a Philips or monoscope pattern signal. Adjust MENU OF IMAGE to DYNAMIC NORMAL.
  • Page 12 TC-20KL03A / TC-29KL03A AJUSTMENTS VERTICAL DEFLECTION CALIBRATION AND CONFIRMATION...

  • Page 13: Eeprom Memory Maps

    TC-20KL03A / TC-29KL03A EEPROM MEMORY MAPS 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 –...
  • Page 14 TC-20KL03A / TC-29KL03A TABLE A2 (1XX) TABLE A4 (2XX) TABLE A6 (3XX)

  • Page 15: Schematic Diagrams

    TC-20KL03A / TC-29KL03A SCHEMATIC DIAGRAMS CRT BOARD SCHEMATIC DIAGRAM (L)
  • Page 16 TC-20KL03A / TC-29KL03A...
  • Page 17 TC-20KL03A / TC-29KL03A AV FRONTAL SCHEMATIC DIAGRAM (G BOARD) REMOTE CONTROL RECEIVER SCHEMATIC DIAGRAM (R BOARD)

  • Page 18: Main Board Schematic Diagram

    TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (1/10) Power Supply...
  • Page 19 TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (2/10) Power Supply...
  • Page 20 TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (3/10) Microprocessor / YUV / Syntony...
  • Page 21 TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (4/10) Microprocessor / YUV / Syntony...
  • Page 22 TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (5/10) Audio signal process...
  • Page 23 TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (6/10) Audio signal process...
  • Page 24 TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (7/10) Vertical / Horizontal...
  • Page 25 TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (8/10) Vertical / Horizontal...

  • Page 26: Audio Output

    TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (9/10) Audio output...
  • Page 27 TC-20KL03A / TC-29KL03A MAIN BOARD SCHEMATIC DIAGRAM (10/10) Audio output...

  • Page 28: Circuit Board Layout

    TC-20KL03A / TC-29KL03A CIRCUIT BOARD LAYOUT MAIN BOARD (A/L) - (component side)
  • Page 29 TC-20KL03A / TC-29KL03A MAIN BOARD (A/L) - (foil side)
  • Page 30 TC-20KL03A / TC-29KL03A IC601 - TV signal processor-Teletext decoder with embedded µ µ µ µ µ Controller VOLTAGE SYMBOL DESCRIPTION 3,3V P1.3/T1 port 1.3 or Counter/Timer 1 input 2,4V P1.6/SCL port 1.6 or I2C-bus clock line 2,7V P1.7/SDA port 1.7 or I2C-bus data line 4,9V P2.0/TPWM...
  • Page 31 TC-20KL03A / TC-29KL03A IC601 - LAYOUT IC2201 - VOLTAGE TABLE Voltage Voltage Voltage Voltage 2,9V 3,9V 3,9V 3,9V 3,9V 7,8V 3,9V 3,9V 3,9V 3,8V 3,9V 3,9V 3,9V 3,9V 2,7V 3,9V 3,9V 2,8V 3,9V 3,8V 3,9V Note: These voltages were measured with Colorbar signal...

  • Page 32: Signal Waveform

    TC-20KL03A / TC-29KL03A SIGNAL WAVEFORM IC351 - PINO 1 IC351 - PINO 2 IC351 - PINO 3 IC351 - PINO 7 IC351 - PINO 8 IC351 - PINO 9 LINHA DE CLOCK - SCL LINHA DE DADOS - SDA IC1601 - PINO 21...
  • Page 33 TC-20KL03A / TC-29KL03A IC1601 - PINO 52 IC1601 - PINO 53 IC1601 - PINO 58 IC1601 - PINO 59 IC451 - PINO 2 IC451 - PINO 3 IC451 - PINO 4 IC451 - PINO 5 IC451 - PINO 7 BASE DE Q501...

  • Page 34: Exploded View

    TC-20KL03A / TC-29KL03A Exploded View - 34 -...

  • Page 35: Replacement Mechanical Parts List

    TC-20KL03A / TC-29KL03A Replacement Mechanical Parts List Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description EASZ12D06A8 EASZ15S01A8 FULL RANGE SPEAKER TLK2BA003 TLK2BA001 DEGAUSSING COIL TBX2B867 TBX2B868 POWER BUTTON TBX2B865 TBX2B866 6 POSITIONS BUTTON TMW2B212 TMW2B212 BRACKET LED...

  • Page 36: Replacement Electrical Parts List

    TC-20KL03A / TC-29KL03A Replacement Electrical Parts List Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description ASSEMBLED BOARDS PLACA AL TGNPA20KL03A TGNPA29KL03A ASSEMBLED AL BOARD PLACA G-R - - - - - o - - - - -...
  • Page 37 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description CAPACITORS C606 ECJ2VB1H332K ECJ2VB1H332K CAP. CER. SMD 3,3 nF 50V C607 ECEA1HKA010B ECEA1HKA010B CAP. ELETR. 1 µF 50V C609 ECJ2YB1H104K ECJ2YB1H104K CAP. CER. SMD 100 nF 50V...
  • Page 38 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description CAPACITORS C841 ECJ2YB1A824K ECJ2YB1A824K CAP. CER. SMD 820 nF 10V C851 ECJ2ZF1C105Z ECJ2VF1C105Z CAP. CER. SMD 1 µF 16V C853 ECKR2H151KB5 ECKR2H151KB5 CAP. CER. DISC 150 PF 500V...
  • Page 39 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description CAPACITORS C2273 ECJ2VB1H562K ECJ2VB1H562K CAP. CER. SMD 5,6 nF 50V C2274 ECJ2VB1C333K ECJ2VB1C333K CAP. CER. SMD 33 nF 16V C2275 ECJ2VB1H153K ECJ2VB1H153K CAP. CER. SMD 15 nF 50V...
  • Page 40 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description DIODES D402 B0HAJL000001 B0HAJL000001 RECTIFIER DIODE D403 B0BA03100002 B0BA03100002 ZENER DIODE 31V 0,5W 5 mA D511 MAZ4108J0F MAZ4108J0F ZENER DIODE 10,8 V 0,37 W 250 mA...
  • Page 41 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description INTEGRATED CIRCUITS IC351 - - - - - o - - - - - TDA6107JF/N3 (até 01/01/2004) IC351 TDA6107Q/N2 TDA6107Q/N2 (a partir de 01/01/2004) IC451...
  • Page 42 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description TRANSISTORS Q446 B1ABDF000009 B1ABDF000009 SMD TRANSISTOR Q447 B1ABDF000009 B1ABDF000009 SMD TRANSISTOR Q501 2SC4212H00LB 2SC4212H00LB POWER TRANSISTOR Q520 2SB792ATX 2SB792ATX SMD TRANSISTOR Q551 B1BAER000004 B1BAER000004 POWER TRANSISTOR...
  • Page 43 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description RESISTORS R416 ERX12SJ1R0E - - - - - o - - - - - OXIDE METAL RESISTOR 1 Ohm 1/2W R417 - - - - - o - - - - -...
  • Page 44 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description RESISTORS R616 ERJ6GEYJ392V ERJ6GEYJ392V SMD RESISTOR 3,9 kOhm 1/8W R617 ERJ6GEYJ181V ERJ6GEYJ181V SMD RESISTOR 180 Ohm 1/8W R619 ERJ6GEYJ121V ERJ6GEYJ121V SMD RESISTOR 120 Ohm 1/8W...
  • Page 45 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description RESISTORS R870 ER0S2THF5100 ER0S2THF5100 PRECISION RESISTOR 510 Ohm 1/4W R871 ERDS1TJ223T ERDS1TJ223T CARBON RESISTOR 22 kOhm 1/2W R1004 - - - - - o - - - - -...
  • Page 46 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description RESISTORS R2348 ERJ6GEYJ332V ERJ6GEYJ332V SMD RESISTOR 3,3 kOhm 1/8W R2349 ERJ6GEYJ102V ERJ6GEYJ102V SMD RESISTOR 1 kOhm 1/8W R2354 ERDS2TJ222T ERDS2TJ222T CARBON RESISTOR 2,2 kOhm 1/4W...
  • Page 47 TC-20KL03A / TC-29KL03A Ref. No. TC-20KL03A Part No. TC-29KL03A Part No. Part Name & Description OTHERS A40-A41 TXAJTA40CB20K TXAJTA40CB20K SHIELDED CABLE A5-L5 - - - - - o - - - - - TXAJTA5CB29K 5 WAY CONNECTOR A5-L5 TXAJTA5CB14A12 - - - - - o - - - - -...
  • Page 48 Panasonic da Amazônia S.A. CS DIVISION - TECHNICAL SUPPORT Rod. Presidente Dutra, Km 155 São José dos Campos - SP...

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Tc-29kl03a

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