Panasonic TC-21FJ30LA Service Manual
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Panasonic TC-21FJ30LA Service Manual

Panasonic tc-21fj30la color television service manual
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Service Manual

Color Television
TC-21FJ30LA
GP3 Chassis

Specifications

TELEVISOR
Power source
Consumption
Antenna input jack
Color systems
Tuning system
Channel capability
Picture Tube (visual diagonal)
Potência de áudio
Video input jack
Audio input jack
Video output jack
Audio output jack
DVD input jack
Dimension (width, height, depth)
Weight
Specifications are subject to change without notice. Weight and dimensions shown are approximate.
REMOTE CONTROL TRANSMITER:
• Model:
TNQ2B3302
• Power source: 3V (2 AA type batteries)
• Infrared Length: 9500 Å (angstron)
110V / 220V AC, 60Hz
75Ω - VHF/UHF/CATV
PAL-M / NTSC / PAL-N
2 to 13 (VHF), 14 to 69 (UHF) and 1 to 125 (Cable)
PANABLACK - 21" Flat CRT, 53 cm (NBR5258) - 51 cm diagonal visual
8 W + 8 W max (RMS)
1 (rear) + 1 (frontal)
1 (rear) + 1 (frontal)
1 (rear) + 1 (headphone)
648 x 472 x 488 mm
TC-21FJ30LA
automatic switch
90W
F.S.T.
1 (rear)
1 (rear)
23,8 Kg
SUPPLIED ACCESSORIES:
• 1 Remote Control Transmitter
• 1 300Ω/75Ω Aerial Adaptor
• 2 "AA" type batteries
© 2004 Panasonic da Amazônia S/A.
CS Division
Technical Support
Order DCS - DEZ2004 - 002 - MS

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Summary of Contents for Panasonic TC-21FJ30LA

  • Page 1: Service Manual

    • 1 Remote Control Transmitter • Model: TNQ2B3302 • 1 300Ω/75Ω Aerial Adaptor • Power source: 3V (2 AA type batteries) • 2 “AA” type batteries • Infrared Length: 9500 Å (angstron) © 2004 Panasonic da Amazônia S/A. CS Division Technical Support...

  • Page 2: Table Of Contents

    TC-21FJ30LA 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: Suggested Pbf Solder

    TC-21FJ30LA 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-21FJ30LA OPERATING INSTRUCTIONS - 4 -...

  • Page 5: Ic601 - Pinout

    TC-21FJ30LA 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-21FJ30LA IC601 - PINOUT Symbol 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 XTALIN crystal oscillator input XTALOUT crystal oscillator output...

  • Page 7: Ic601 - Block Diagram

    TC-21FJ30LA IC601 - BLOCK DIAGRAM - 7 -...

  • Page 8: Gp3 Chassi Feature Summary

    TC-21FJ30LA CHASSIS GP3 FEATURE SUMMARY CHASSIS : GP3 MODEL : TC-21FJ30LA SYSTEM : (PAL-M/PAL-N/NTSC) (PAL-M 50Hz) POWER SOURCE : AC automatic power switching 110/220V, 50/60Hz MEMORY : 125 positions TV TUNING RANGE : 181 channels (TV / CATV) OSD LANGUAGE...

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

    TC-21FJ30LA 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: Test And Measurement Equipments Required

    TC-21FJ30LA ADJUSTMENTS CHK2 MODE - VCJ ADJUSTMENTS CHK2 MODE TABLE 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.

  • Page 11: Adjustments

    TC-21FJ30LA 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 12: 5- Pal Color Output Level Adjustment

    TC-21FJ30LA 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...

  • Page 13: 8- Sub-Brightness And Sub-Contrast Calibration

    TC-21FJ30LA 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 14: 11- White Quality Calibration

    TC-21FJ30LA 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. 1. Adjust the HELMHOLTZ device to local magnetic field. Ho- 2.

  • Page 15: 14- Vertical Deflection Calibration

    TC-21FJ30LA 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 33 DAC .

  • Page 16: Eeprom Memory Maps

    TC-21FJ30LA EEPROM MEMORY MAPS TABLE 0 C O L U N A C O L U N A C O L U N A C O L U N A C O L U N A C O L U N A...
  • Page 17 TC-21FJ30LA TABLE 2 C O L U N A C O L U N A C O L U N A C O L U N A C O L U N A C O L U N A C O L U N A...

  • Page 18: Main Pcb Schematic Diagram

    TC-21FJ30LA...

  • Page 19: Schematics Diagrams

    TC-21FJ30LA SCHEMATICS DIAGRAMS “L” P.C.B. SCHEMATIC DIAGRAM IC351 TNP4G276-6 CRT CIRCUIT TDA6107JF/N3 JK351 - 19 -...

  • Page 20: Yuv" Pcb Schematics Diagrams

    TC-21FJ30LA “YUV” P.C.B. SCHEMATIC DIAGRAM - 20 -...

  • Page 21: Main Pcb Layout

    TC-21FJ30LA MAIN BOARD CIRCUIT LAYOUT - 21 -...

  • Page 22: Signal Waveforms

    TC-21FJ30LA SIGNAL WAVEFORM • All waveforms were obtained using 127V 60Hz power source and Color Bars Pattern (Model: TC-20KL04) IC451 Pino 1 Pino 5 Pino 7 IC601 Pino 16 Pino 17 - 22 -...
  • Page 23 TC-21FJ30LA IC601 Pino 18 Pino 19 Pino 38 Pino 40 Pino 42 Pino 55 - 23 -...
  • Page 24 TC-21FJ30LA IC601 Pino 56 Pino 57 Pino 58 Pino 63 Pino 64 - 24 -...
  • Page 25 TC-21FJ30LA IC801 Q551 Pino 1 Coletor Q501 Base Coletor Q601 Q602 Emissor Coletor - 25 -...

  • Page 26: Exploded View

    TC-21FJ30LA EXPLODED VIEW - 26 -...

  • Page 27: Replacement Mechanical Parts List

    TC-21FJ30LA REPLACEMENT MECHANICAL PARTS LIST Part No. Part Name & Description Ref. No. A51QDX993X004 PICTURE TUBE 21" (FLAT SAMSUNG) TKK4G8597 SPEAKER SUPPORT EASG15S02H2 SPEAKER TBM4G3013 PANASONIC LOGO TBX4G90110 POWER BUTTON TKP4G13030 CONTROL PANEL DOOR T-TKU2B22702 REAR COVER TLK4G9037X DEGAUSSING COIL...

  • Page 28: Replacement Electrical Parts List

    TC-21FJ30LA REPLACEMENT ELECTRICAL PARTS LIST Part No. Part Name & Description Part No. Part Name & Description Ref. No. Ref. No. FULLY ASSEMBLED BOARDS C628 ECJ2YB1H473K CERAMIC CAP. 47,00 nF 50,0 V “A” PAL21FJ30LAMON “A”+“L” P.C.B. ASS´Y C631 ECJ2VB1H222K CERAMIC CAP. 2.200,00 PF 50,0 V “YUV”...
  • Page 29 TC-21FJ30LA Part No. Part Name & Description Part No. Part Name & Description Ref. No. Ref. No. C2113 ECA1HM4R7B ELECTROLYTICAL CAP. 4,70 µF 50,0 V D511 MAZ4108J0F ZENER DIODE 10,8 V 0,37 W 250,0 mA C2115 ECA1HM4R7B ELECTROLYTICAL CAP. 4,70 µF 50,0 V...
  • Page 30 TC-21FJ30LA Part No. Part Name & Description Part No. Part Name & Description Ref. No. Ref. No. L510 EXCELSA35T BEAD CORE R021 ERJ6GEYJ273V FILM RESISTOR 27,00 kOhm 1/8 W L511 EXCELSA35T BEAD CORE R022 ERJ6GEYJ473V FILM RESISTOR 47,00 kOhm 1/8 W...
  • Page 31 TC-21FJ30LA Part No. Part Name & Description Part No. Part Name & Description Ref. No. Ref. No. R605 ERJ6GEYJ101V FILM RESISTOR 100,00 Ohm 1/8 W R1141 ERJ6GEYJ562V FILM RESISTOR 5,60 kOhm 1/8 W R606 ERJ6GEYJ101V FILM RESISTOR 100,00 Ohm 1/8 W...
  • Page 32 TC-21FJ30LA Part No. Part Name & Description Ref. No. TRANSFORMERS T501 ZTFN82001A FLYBACK T553 ETH19Y210AZZ HORIZONTAL DRIVER T801 ETS35AH1A6AC CHOPPER TRANSFORMER TUNER TNR001 ENV56K05G3 TUNER OSCILLATORS X101 M1971M SAW FILTER X181 EFCT4R5MW5 CERAMIC FILTER X184 EFCT4R5MS5W CERAMIC FILTER X601 H0D120500006...
  • Page 33 Panasonic da Amazônia S.A. CS DIVISION - TECHNICAL SUPPORT Rod. Presidente Dutra, Km 155 São José dos Campos - SP...

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