Panasonic TC-20KL04A Service Manual Download Page 11 | Manualshive

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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
• 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

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Summary of Contents for TC-20KL04A

Page 1: ... D Weight Specifications 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 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P TC 20KL04P 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...

Page 2: ...its 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 operate Do not use a line isolati...

Page 3: ...that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See figure below SUGGESTED PbF SOLDER There are several types of PbF solder available commercially While this product is manufactured using Tin Silver and Copper Sn Ag Cu you can also use Tin and Copper Sn Cu...

Page 4: ...Áudio Auriculares Sensor de Control Remoto Luz indicadora Terminal de la antena Salida del cable de alimentación Salida de Vídeo para Monitor Entradas de Audio Vídeo Salida de Audio para amplificación de audio ENCIENDE APAGA TIMER SILENCIO TV AV LLAMADA NORMALIZACIÓN PIC MENU MENÚ DE IMAGEN VOLUMEN ACESO DIRECTO A LOS CANALES WAKE UP DESPERTADOR R TUNE CLOSED CAPTION BOTONES DE DIRECCIÓN DEL MENÚ ...

Page 5: ...row band PLL filter AVL REF0 SNDIF 1 27 Automatic Volume Levelling subcarrier reference output sound IF input AUDIO2 28 audio 2 input AUDIO3 29 audio 3 input HOUT 30 horizontal output FBISO 31 flyback input sandcastle output DECSDEM 32 decoupling sound demodulator QSSO AMOUT 33 QSS intercarrier output AM output in stereo applications or deemphasis AUDEEM 1 front end audio out AM output in mono app...

Page 6: ...4 1 9V X101 Pin Voltage 1 141V 2 8 5V 3 8 7mV IC802 Pin Voltage 1 10 4V 2 5V 3 3 9mV IC880 IC881 Pin Voltage V2 1 22 5mV V1 2 23mV P2 5 180V PT 7 170V P1 8 168V S6 11 0 5V S1 12 0 2V S2 15 0 7V S3 17 0 2V T801 TPA10 142V TPA11 11 2V BO 58 Blue output VDDA 59 analog supply of Teletext decoder and digital supply of TV processor 3 3 V VPE 60 OTP Programming Voltage VDDC 61 digital supply to core 3 3 ...

Page 7: ...DRIVE CONTR BRIGHTN OSD TEXT INSERT CCC WHITE P ADJ 80C51 CPU I 2 C BUS TRANSCEIVER ROM RAM TELETEXT ACQUISITION 1 10 PAGE MEMORY TELETEXT OSD DISPLAY R G B BL Y U V H V REF ENHANCED VST PWM DAC VST OUT I O PORTS I O PORTS 4x 3 3 V RESET LED OUT 2x ADC IN 4x VPE EW GEOMETRY GEOMETRY EHTO EWD R V G Y B U BL RGB YUV INSERT R G B REF CVBS SYNC H V COR SATURATION LUMA DELAY PEAKING BLACK STRETCH QSS S...

Page 8: ... nit REFERENCE VOLTAGE MODEL TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P DATA A C4H B 00H C 00H D 33H E 02H F 20H G 00H H 09H A C4H B 00H C 00H D 33H E 02H F 20H G 00H H 09H A C4H B 00H C 00H D 33H E 02H F 20H G 00H H 09H A C4H B 00H C 00H D 33H E 02H F 20H G 00H H 09H MEMORY DATA B VOLTAGE Buzzing confirmation PAL color output NTSC color output Anode EHT voltage 140 1 5V 8 1V 5 1V 175 1V 0 5 Vp p...

Page 9: ... á å á á á DIGITO MSB DIGITO LSB DIGITO MSB DIGITO LSB 4 3 3 4 3 3 4 3 3 4 3 3 OPTION3 OPTION5 OPTION7 OPTION3 OPTION5 OPTION8 OPTION4 OPTION6 OPTION1 á á á á á á á á å á á á á á á á á DIGITO MSB DIGITO MSB DIGITO MSB DIGITO LSB DIGITO LSB DIGITO LSB DIGITO MSB DIGITO MSB DIGITO MSB 4 4 4 3 3 4 4 4 3 3 4 4 4 3 3 Note To select an option type 4 to move forward and 3 to move back After having select...

Page 10: ... ADJUSTMENTS On CHK5 mode it is possible to adjust the items of the table shown here Note To select an item type 4 to move forward and 3 to move back After having selected the desired option adjust it by pressing the VOL _ or VOL keys Press 0 To memorize the adjustment CHK2 mode table Standard values TC 20KL04A P 24 100 50 34 50 30 30 TC 29KL04A P 22 100 50 35 50 29 50 ITEM RF AGC CONT COL S COL T...

Page 11: ...ed 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 ...

Page 12: ... RF freq 175 25 MHz 2 Connect the digital multimeter in TPA15 ADJUSTMENT 1 Select RF AGC on CHK2 service mode 2 Adjust RF AGC by pressing VOL or until obtaining 2 2 0 1V in TPA15 3 Increase the input level by 2 dB and confirm that the voltage decreases in TPA15 CONFIRMATION 1 Connect a voltage meter between TPA10 and ground Confirm that the voltage B is within a range of 140 5V 1 5V 2 Connect a hi...

Page 13: ...AKB ON and confirm that OSD becomes white Fig 1 A 2 3 0 1Vo p B 2 4 0 1V D 2 45 0 1V Fig 2 A 2 3 0 2Vo p C 2 45 0 1V 6 NTSC SUB TINT CALIBRATION 1 Connect the oscilloscope in TPL1 R OUT with a 10KΩ resistor 2 Supply a Rainbow signal NTSC 3 58 MHz through VIDEO IN 3 Select IMAGE to DYNAMIC NORMAL 4 Select COLOR FOR CHANNEL to NORMAL 5 On CHK2 service mode press 5 AKB OFF and confirm that OSD become...

Page 14: ...hat adjustment adjust SUB CONT CHK 4 again 4 Check the SUB BRIGHT adjust 10 PURITY CALIBRATION 1 Adjust the HELMHOLTZ device for the local magnetic field HORIZONTAL 0 0 03 X 10 4T 2 Let the set warm up aging time for a minimum of 60 minutes 3 Supply a purity pattern white pattern 4 Adjust CONTRAST and BRIGHT to MAXIMUM 5 The static convergence adjustment must have been made preliminarily 6 Connect...

Page 15: ...ilt the deflection yoke to the vertically and horizontally to obtain the good overall convergence 5 If purity error is found repeat Color Purity adjustment CALIBRATION Static convergence calibration l Assure that the magnets are positioned according to illustration 1 ll Adjust the 4 poles magnets to align the R and B CENTRAL DOTS and adjust the 6 poles magnets to align both DOTS with G lll After a...

Page 16: ...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 according to box 3 MEMORIZE in EEPROM Fig 1 Fig 2 16 WHITE BALANCE CALIBRATION 1 Adjust the HELMHOLTZ device to local magnetic field 2 Let the set warm up for a minimum of 30 minutes 3 Receive a white bal...

Page 17: ...00 06 54 00 06 55 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 TABLE A2 1XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 00 06 56 00 06 57 00 06 58 00 06 59 00 06 5A 00 XX 06 5B 00 06 5C 00 06 5D 00 06 5E 0...

Page 18: ... XX XX XX XX XX XX XX XX XX XX 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 XX 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 XX 00 00 00 00 00 00 00 00 00 00 22 88 2C 20 20 20 XX 00 1E 2A 14 1F 2A 19 24 24 2A 2B 19 1F 1C 1A 1F XX 24 00 0C 00 FB 00 22 2C 80 00 2A 00 35 20 30 21 XX 02 48 13 44 00 00 34 03 F7 05 00 00 FF 01 01 01 XX FC FE 29 7 2F 19 00 00 00 00 00 00 00 00 00 00 XX 00 00 00 00 0...

Page 19: ... 19 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P SCHEMATIC DIAGRAMS CRT PCB SCHEMATIC DIAGRAM IC351 TDA6107JF N3 TNP4G276 6 CRT CIRCUIT L5 L8 L8A JK351A JK351 ...

Page 20: ... 20 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P G P C B SCHEMATIC DIAGRAM Frontal AV and Headphone Connectors ...

Page 21: ... 21 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P R P C B SCHEMATIC DIAGRAM Remote Control Receptor ...

Page 22: ... 22 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P Z P C B SCHEMATIC DIAGRAM ...

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

Page 24: ... 24 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P MAIN BOARD CIRCUIT LAYOUT ...

Page 25: ...25 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P IC601 SIGNAL WAVEFORM All waveforms were obtained using 127V 60Hz power source and Color Bars Pattern Model TC 20KL04 Pin 16 Pin 17 IC451 Pin 1 Pin 7 Pin 5 ...

Page 26: ... 26 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P Pin 42 Pin 55 IC601 Pin 18 Pin 19 Pin 38 Pin 40 ...

Page 27: ... 27 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P Pin 64 IC601 Pin 56 Pin 57 Pin 58 Pin 63 ...

Page 28: ... 28 TC 20KL04A TC 20KL04P TC 29KL04A TC 29KL04P Pin 1 IC804 Base Q501 Collector Collector Q551 Emiter Q601 Collector Q602 ...

Page 29: ...15 16 18 19 20 20 21 22 23 24 25 26 27 28 29 30 25 33 40 34 35 17 37 36 39 38 EXPLODED VIEW k CRT and YOKE are supplied mounted together In case one of these components comes to present problems disassemble the group and send the defective part CRT or YOKE to the parts department for repair ...

Page 30: ...11291 TKP2B11291 TKP2B11291 20 HIMERON TMK2B564 TMK2B564 TMK2B564 TMK2B564 21 COIL SPRING TXF3A20C7 1 TXF3A20C7 1 TXF3A20C7 1 TXF3A20C7 1 22 OPERATING INSTRUCTIONS TQB2B0139 TQB2B0140 TQB2B0139 TQB2B0140 23 POWER BUTTON COIL TES2B212 TES2B212 TES2B212 TES2B212 24 CONTROL PANEL TBM2B047 1 TBM2B047 1 TBM2B051 TBM2B051 25 A L BOARD ASS Y PAL20KL04AMON PAL20KL04PMON PAL29KL04AMON PAL29KL04PNMON 27 R B...

Page 31: ...BP ECKW3D331JBP ECKW3D331JBP ECKW3D331JBP CAP CERÂMICO RADIAL 330PF 2 000V C514 F2A1E102A151 F2A1E102A151 F2A1E102A151 F2A1E102A151 CAP ELET POLAR RADIAL 1 000µF 25V C515 F1B2H331A025 F1B2H331A025 F1B2H331A025 F1B2H331A025 CAP CERÂMICO RADIAL 330PF 500V C516 F2A1E102A151 F2A1E102A151 F2A1E102A151 F2A1E102A151 CAP ELET POLAR RADIAL 1 000µF 25V C519 F2A2C330A020 F2A2C330A020 F2A2C330A020 F2A2C330A02...

Page 32: ...ECQB1H471JF3 ECQB1H471JF3 ECQB1H471JF3 ECQB1H471JF3 CAP DE POLIÉSTER RADIAL 470PF 50V C826 F0A1H103A039 F0A1H103A039 F0A1H103A039 F0A1H103A039 CAP POLIPROPILENO RADIAL0 01 µF 50V C827 ECQV1H184JL3 ECQV1H184JL3 ECQV1H184JL3 ECQV1H184JL3 CAP DE POLIÉSTER RADIAL 180nF 50V C830 ECQB1H102JF3 ECQB1H102JF3 ECQB1H102JF3 ECQB1H102JF3 CAP DE POLIÉSTER RADIAL 1nF 50V C840 ECKCNA152ME7 ECKCNA152ME7 ECKCNA152M...

Page 33: ...J2VF1H103Z ECJ2VF1H103Z CAP CERÂMICO SMD 10nF 50V C2302 F2A1E471A151 F2A1E471A151 F2A1E471A151 F2A1E471A151 CAP ELET POLAR RADIAL 470µF 25V C2303 F2A1C100A180 F2A1C100A180 F2A1C100A180 F2A1C100A180 CAP ELET POLAR RADIAL 10µF 16V C2304 ECEA1HKN010B ECEA1HKN010B ECEA1HKN010B ECEA1HKN010B CAP ELET BIP RADIAL 1µF 50V C2305 ECEA1HKN010B ECEA1HKN010B ECEA1HKN010B ECEA1HKN010B CAP ELET BIP RADIAL 1µF 50V...

Page 34: ...1 2 W RZ 10 W D823 B0HAJL000001 B0HAJL000001 B0HAJL000001 B0HAJL000001 DIODO RETIFICADOR 100V 0 7 A D824 B0HAJL000001 B0HAJL000001 B0HAJL000001 B0HAJL000001 DIODO RETIFICADOR 100V 0 7 A D825 B0BA6R100003 B0BA6R100003 B0BA6R100003 B0BA6R100003 ZENER AXIAL 6 1 V 0 5 W 5mA D830 B0HAJL000001 B0HAJL000001 B0HAJL000001 B0HAJL000001 DIODO RETIFICADOR 100V 0 7 A D831 B0BA02400029 B0BA02400029 B0BA02400029...

Page 35: ...AL Z 80 W 100MHZ I 6A L1101 TALV35VB331K TALV35VB331K TALV35VB331K TALV35VB331K BOBINA DE PICO 330µH I 0 4A L1110 EXCELSA35T EXCELSA35T EXCELSA35T EXCELSA35T BEAD CORE AXIAL L2104 G0C330JA0021 G0C330JA0021 G0C330JA0021 G0C330JA0021 BOBINA DE PICO 33µH L2108 EXCELDR35V EXCELDR35V EXCELDR35V EXCELDR35V BEAD CORE RADIAL Z 80 W 100MHZ I 6A L2132 G0C180KA0004 G0C180KA0004 G0C180KA0004 G0C180KA0004 BOBI...

Page 36: ...H ERG2FJ331H ERG2FJ331H ERG2FJ331H RESISTOR ÓXIDO METAL 330Ω 2 W R408 ERD25V0R00T ERD25V0R00T ERD25V0R00T ERD25V0R00T RESISTOR DE CARBONO 0Ω 1 4 W R409 ERJ6GEYJ512V ERJ6GEYJ512V ERJ6GEYJ512V ERJ6GEYJ512V RESISTOR SMD 5 10 KΩ 1 8 W R410 ERJ6GEYJ202V ERJ6GEYJ202V ERJ6GEYJ202V ERJ6GEYJ202V RESISTOR SMD 2KΩ 1 8 W R411 ERDS2TJ202T ERDS2TJ202T ERDS2TJ202T ERDS2TJ202T RESISTOR DE CARBONO 2KΩ 1 4 W R412 E...

Page 37: ...SMD 180Ω 1 8 W R686 ERJ6GEYJ470V ERJ6GEYJ470V ERJ6GEYJ470V ERJ6GEYJ470V RESISTORSMD R689 ERJ6GEYJ750V ERJ6GEYJ750V ERJ6GEYJ750V ERJ6GEYJ750V RESISTORSMD R687 ERJ6GEYJ472V ERJ6GEYJ472V ERJ6GEYJ472V ERJ6GEYJ472V RESISTOR SMD 4 70 KΩ 1 8 W R688 ERJ6GEYJ103V ERJ6GEYJ103V ERJ6GEYJ103V ERJ6GEYJ103V RESISTOR SMD 10KΩ 1 8 W R801 D0D72R2KA002 D0D72R2KA002 D0D72R2KA002 D0D72R2KA002 RESISTOR DE FIO CIMENTADO...

Page 38: ...TOR SMD 2 20 KΩ 1 8 W R2113 ERJ6GEYJ222V ERJ6GEYJ222V ERJ6GEYJ222V ERJ6GEYJ222V RESISTOR SMD 2 20 KΩ 1 8 W R2120 ERJ6GEYJ184V ERJ6GEYJ184V ERJ6GEYJ184V ERJ6GEYJ184V RESISTOR SMD 180KΩ 1 8 W R2130 ERJ6GEYJ471V ERJ6GEYJ471V ERJ6GEYJ471V ERJ6GEYJ471V RESISTOR SMD 470Ω 1 8 W R2131 ERJ6GEYJ101V ERJ6GEYJ101V ERJ6GEYJ101V ERJ6GEYJ101V RESISTOR SMD 100Ω 1 8 W R2151 ERJ6GEYJ563V ERJ6GEYJ563V ERJ6GEYJ563V E...

Page 39: ...RÂMICO 4 5 MHz X184 EFCT4R5MS5W EFCT4R5MS5W EFCT4R5MS5W EFCT4R5MS5W FILTRO CERÂMICO 4 5 MHz X601 H0D120500006 H0D120500006 H0D120500006 H0D120500006 CRISTAL OSCILADOR 12MHz X2130 H0D184500008 H0D184500008 H0D184500008 H0D184500008 CRISTAL OSCILADOR 18 4 MHZ DIVERSOS A12 BJP11V04 AP BJP11V04 AP BJP11V04 AP BJP11V04 AP BASE DE PINOS 4P A22 BJP11V04 AP BJP11V04 AP BJP11V04 AP BJP11V04 AP BASE DE PINO...

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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