Panasonic TC-20KL03A Service Manual Download Page 47

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TC-20KL03A / TC-29KL03A

A40-A41

TXAJTA40CB20K

SHIELDED CABLE

A5-L5

- - - - - o - - - - -

TXAJTA5CB29K

5 WAY CONNECTOR

A5-L5

TXAJTA5CB14A12

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3 WAY CONNECTOR

A8-L8

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TXAJTA8CB29K

8 WAY CONNECTOR

A8-L8

TXAJTA8CB20A12

- - - - - o - - - - -

6 WAY CONNECTOR

F801

K5D402BK0004

FUSE

F801-L

K3GD9BB00001

FUSE SUPPORT

F801-R

K3GD9BB00001

FUSE SUPPORT

G26-A26

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TXAJTA26CB29K

7 WAY CONNECTOR

G27-A27

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TXAJTA27CB29K-1

8 WAY CONNECTOR

JK3001

TJB4G635

AV TERMINAL

JK3101

TJB4G634

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FRONTAL AV TERMINAL

JK3101L

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ECJ2VB1H272K

SMD CERAMIC CAPACITOR 2,7 nF 50V

JK3101R

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ECJ2VB1H272K

SMD CERAMIC CAPACITOR 2,7 nF 50V

JK351

330550044K2F

CRT SOCKET

R19-A19

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TXAJTA19CB29K

4 WAY CONNECTOR

A22-SPK

TXAJTA22CB20K

4 WAY CONNECTOR - SPEAKER

OTHERS

Ref. No.

TC-20KL03A Part No.

TC-29KL03A Part No.

Part Name & Description

Summary of Contents for TC-20KL03A

Page 1: ... 48 cm 50 W PMPO 1 back 1 front 1 back 1 front 1 back 1 back 1 earphone 600 x 473 x 487 mm 17 7 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 Specifications Specifications are subject to change without notice Weight and dimensions shown are approximate Remote Control Transmiter Power Source 3V 2 AA ty...

Page 2: ... 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 tran...

Page 3: ... 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 ...

Page 4: ... 4 TC 20KL03A TC 29KL03A CLICK HERE TO SEE THE COMPLETE OPERATING INSTRUCTIONS Operating Instructions ...

Page 5: ...SIL 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 Model TC 20KL03A TC 29KL03A Data A C0H B 00H C 00H D 3BH E 00H F 00H G 40H H 09H A C0H B 00H C 00H D 3BH E 00H F 00H G 40H H 09H Memory data B VOLTAGE Buzzing confirmation PAL color output NTSC color output Anode EHT voltage 140 1 5V 8 1V 5 1V 215 1V 0 5 Vp p 2 4...

Page 6: ...ote 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 ret...

Page 7: ...g 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 CHK2TABLE MEDIUM VALUES TC 20KL03A 23 35 31 TC 29KL03A 22 37 32 ITEM RF AGC SUB COULOR SUB TINT CHK4TABLE MEDIUM VALUES TC 20KL03A 29 26 26 21 26 31 33 7 TC 29KL03A 33 25 25 21 27 31 35 11 IT...

Page 8: ...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 9: ...00 m Vp p 1 RF AGC ADJUSTMENT 1 Supply a color bar pattern and adjust the RF input signal of to 69 dB 2 Connect the digital multimeter in TPA15 ADJUSTMENT 1 Select RF AGC in the CHK2 service mode 2 Adjusts RF AGC pressing VOL or until obtaining 2 2 0 1V in TPA20 3 Increase the input level by 2 dB and confirm that the voltage decrease CONFIRMATION 1 Connect a voltage meter between TPA12 and ground ...

Page 10: ...C R DRIVE GAIN SLV 8A SUB 16 G DRIVE GAIN SLV 8A SUB 17 B DRIVE GAIN SLV 8A SUB 18 CALIBRATION 1 Connect the oscilloscope in TPL2 G OUT with a 10KΩ resistor and adjust CONTRAST so that the B waveform it is 2 6 0 1V according to fig 1 2 Adjust SUB COLOR to obtain 2 45 0 1V in D according to fig 1 3 Connect the oscilloscope in TPL1 R OUT with a 10KΩ resistor and confirm that the C waveform it is 2 4...

Page 11: ...zed in the oscilloscope is minimum 6 Repeat the steps 2 to 5 9 PROTECTION CIRCUIT SHUTDOWN OPERATION 1 Supply a CROSS HATCH signal 2 Adjust CONTRAST and BRIGHT controls to minimum CONFIRMATION 1 Connect the voLtmeter in TPA22 and confirm that the voltage is smaller than A 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 pro...

Page 12: ...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...

Page 13: ... 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...

Page 14: ... 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 ...

Page 15: ... 15 TC 20KL03A TC 29KL03A SCHEMATIC DIAGRAMS CRT BOARD SCHEMATIC DIAGRAM L ...

Page 16: ... 16 TC 20KL03A TC 29KL03A DVD CONNECTION SCHEMATIC DIAGRAM D BOARD ...

Page 17: ... 17 TC 20KL03A TC 29KL03A AV FRONTAL SCHEMATIC DIAGRAM G BOARD REMOTE CONTROL RECEIVER SCHEMATIC DIAGRAM R BOARD ...

Page 18: ... 18 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 1 10 Power Supply ...

Page 19: ... 19 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 2 10 Power Supply ...

Page 20: ... 20 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 3 10 Microprocessor YUV Syntony ...

Page 21: ... 21 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 4 10 Microprocessor YUV Syntony ...

Page 22: ... 22 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 5 10 Audio signal process ...

Page 23: ... 23 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 6 10 Audio signal process ...

Page 24: ... 24 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 7 10 Vertical Horizontal ...

Page 25: ... 25 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 8 10 Vertical Horizontal ...

Page 26: ... 26 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 9 10 Audio output ...

Page 27: ... 27 TC 20KL03A TC 29KL03A MAIN BOARD SCHEMATIC DIAGRAM 10 10 Audio output ...

Page 28: ... 28 TC 20KL03A TC 29KL03A CIRCUIT BOARD LAYOUT MAIN BOARD A L component side ...

Page 29: ... 29 TC 20KL03A TC 29KL03A MAIN BOARD A L foil side ...

Page 30: ...r TV processor 31 2 3V SNDPLL SIFAGC 1 narrow band PLL filter AGC sound IF 32 2 4V AVL SNDIF REF0 AMOUT 1 AutomaticVol Levelling soundIFinput subcarrierreferenceoutput AMoutput non controlled 33 0 6V HOUT horizontal output 34 0 5V FBISO flyback input sandcastle output 35 3 6V AUDEXT QSSO AMOUT 1 external audio input QSS intercarrier out AM audio output non controlled 36 1 5V EHTO EHT overvoltage p...

Page 31: ...3 9V 19 3 9V 20 3 9V 21 3 9V 22 0V Pin Voltage 23 0V 24 4V 25 3 9V 26 3 8V 27 3V 28 3 9V 29 2 8V 30 3 8V 31 3 9V 32 0V 33 0V IC2201 Note These voltages were measured with Colorbar signal through RF antenna input and 127V power supply Pin Voltage 34 2 9V 35 3 9V 36 3 9V 37 3 9V 38 3 9V 39 2 7V 40 0V 41 3 9V 42 3 9V 43 3 9V 44 2 7V IC2201 VOLTAGE TABLE IC601 LAYOUT ...

Page 32: ...0KL03A TC 29KL03A SIGNAL WAVEFORM IC351 PINO 1 IC351 PINO 3 IC351 PINO 2 IC351 PINO 7 IC351 PINO 9 IC351 PINO 8 LINHA DE CLOCK SCL IC1601 PINO 21 LINHA DE DADOS SDA IC1601 PINO 22 IC1601 PINO 51 IC1601 PINO 33 ...

Page 33: ... 33 TC 20KL03A TC 29KL03A IC1601 PINO 52 IC1601 PINO 58 IC1601 PINO 53 IC1601 PINO 59 IC451 PINO 3 IC451 PINO 2 IC451 PINO 4 IC451 PINO 7 IC451 PINO 5 BASE DE Q501 EMISSOR DE Q501 COLETOR DE Q501 ...

Page 34: ...L03A Exploded View k CRT and YOKE are supplied together mounted In case one of these components comes to present problems disassemble the group and send the piece with problem CRT or YOKE to the section of pieces for repair ...

Page 35: ...16 TMM15496 TMM15496 DEGAUSSINGCOILHOLDER 17 TKP2B11161 2 TKP2B11161 2 AC CABLE HOLDE GRAY 18 TXPTKY2B2001 1 TKY2B2101 1 FRONTCABINET 19 TKP2B11291 TKP2B11301 LEDGUIDE 20 TMK2B564 TMK2B564 HIMERON 21 TXF3A20C7 1 TXF3A29A10 COILSPRING 23 TES2B212 TES2B213 POWERBUTTONCOIL 24 TBM2B047 TBM2B048 CONTROLPANEL 25 TGNPA20KL03P TGNPA29KL03A AL BOARD ASS Y 27 o TGNPGR29KM03 G R BOARD ASS Y 28 o TKP2B11281 D...

Page 36: ...50V C409 ECA1HM330B ECA1HM330B CAP ELET 33 µF 50V C502 ECKR2H821KB5 ECKR2H821KB5 CAP CER DISC 820 PF 500V C504 ECJ2VB1H681K ECJ2VB1H681K CAP CER SMD 680 PF 50V C506 ECCR2H100D5 ECCR2H100D5 CAP CER DISC 10 PF 100V C511 ECA1VM101B ECA1VM101B CAP ELET 100 µF 35V C519 ECA2CM330B ECA2CM330B CAP ELET 33 µF 160 0 V C520 ECA0JM221B ECA0JM221B CAP ELET 220 µF 6 3V C552 ECA2EM100B ECA2EM100B CAP ELET 10 µF ...

Page 37: ...ECA1HM220B ECA1HM220B CAP ELETR 22 µF 50V C641 ECJ2VC1H100C ECJ2VC1H100C CAP CER SMD 10 PF 50V NP0 C653 o ECEA1HKA4R7B CAP ELETR 4 70 µF 50V C653 ECEA1CKA100B o CAP ELETR 10 µF 16V C660 ECQV1H105JL3 ECQV1H105JL3 CAP POL 1 µF 50V C801 ECKCNA331MB7 ECKCNA331MB7 CAP CER DISC SEG 330 PF 4 000V C802 ECKCNA102MB7 ECKCNA102MB7 CAP CER DISC SEG 1 nF 4 000V C803 ECKWAE472ZE ECKWAE472ZE CAP CER DISC 4 7 nF ...

Page 38: ...KA101B ECEA1CKA101B CAP ELET 100 µF 16V C1205 ECA1CM101B ECA1CM101B CAP ELET 100 µF 16V C2130 ECA1HM2R2B ECA1HM2R2B CAP ELET 2 20 µF 50V C2131 ECA1HM2R2B ECA1HM2R2B CAP ELET 2 20 µF 50V C2134 ECA1HM2R2B ECA1HM2R2B CAP ELET 2 20 µF 50V C2135 ECA1HM2R2B ECA1HM2R2B CAP ELET 2 20 µF 50V C2137 ECJ2VB1H471K ECJ2VB1H471K CAP CER SMD SMD 470 PF 50V C2138 ECJ2VB1H471K ECJ2VB1H471K CAP CER SMD SMD 470 PF 50...

Page 39: ...H103Z CAP CER SMD 10 nF 50V C2349 ECA1EM471B ECA1EM471B CAP ELET 470 µF 25V C2350 ECA1VM102B ECA1VM102B CAP ELETR 1 000 µF 35V C2380 ECA1CM101B ECA1CM101B CAP ELET 100 µF 16V C2381 ECA1CM100B ECA1CM100B CAP ELET 10 µF 16V C2385 ECA1CM470B ECA1CM470B CAP ELET 47 µF 16V C3014 ECEA0JN331UB ECEA0JN331UB CAP ELET 330 µF 6 3V C3015 ECA1HM010B ECA1HM010B CAP ELET 1 µF 50V C3016 ECA1CM471B ECA1CM471B CAP ...

Page 40: ...001 B0AAEV000001 SWITCHINGDIODE D821 B0JAME000058 B0JAME000058 DIODE RET BARREIRA SCHOTTKY D824 MAZ40680MF MAZ40680MF ZENER DIODE I 6 8 V 0 250 5 mA D825 B0BA01200008 B0BA01200008 ZENER DIODE 12V 0 5W 5 mA D826 B0HAJL000001 B0HAJL000001 RECTIFIERDIODE D827 B0BA01100004 B0BA01100004 ZENER DIODE 11V 0 5W 5 mA D828 B0HAJL000001 B0HAJL000001 RECTIFIERDIODE D829 B0HAJP000015 B0HAJP000015 RECTIFIERDIODE...

Page 41: ...223PT120T o FLEXIBLEJUMPERWITHTERMINALS L001 G0A100D00001 G0A100D00001 PICCOIL L002 EXC3BB221H EXC3BB221H SMD COIL L184 TALV35VB6R8K TALV35VB6R8K PICCOIL L352 EXCELSA24T EXCELSA24T FERRITE COIL W TERMINALS L501 ELH5L4101Z ELH5L7101Z LINEARITY COIL L550 G0ZZ00001937 G0ZZ00001937 SMD COIL L560 EXCELDR35V EXCELDR35V PICCOIL L620 J0JCC0000009 J0JCC0000009 COIL L621 EXCELSA39V EXCELSA39V FERRITECOIL L8...

Page 42: ...J221V ERJ6GEYJ221V SMD RESISTOR 220 Ohm 1 8W R351 ERJ6ENF1001V ERJ6ENF1001V PRECISION SMD RESISTOR 1 kOhm 1 10W R352 ERJ6ENF1001V ERJ6ENF1001V PRECISION SMD RESISTOR 1 kOhm 1 10W R353 ERJ6ENF1001V ERJ6ENF1001V PRECISION SMD RESISTOR 1 kOhm 1 10W R354 ERJ6ENF7870V ERJ6ENF7870V PRECISION SMD RESISTOR 787 Ohm 1 10W R355 ERJ6ENF7870V ERJ6ENF7870V PRECISION SMD RESISTOR 787 Ohm 1 10W R356 ERJ6ENF7870V ...

Page 43: ...0E OXIDE METAL RESISTOR 2 Ohm 1 2W R521 ERX12SJ3R0E o OXIDE METAL RESISTOR 3 Ohm 1 2W R522 ERJ6GEYJ123V ERJ6GEYJ123V SMD RESISTOR 12 kOhm 1 8W R523 ERJ6GEYJ103V ERJ6GEYJ103V SMD RESISTOR 10 kOhm 1 8W R524 ERJ6GEYJ104V ERJ6GEYJ104V SMD RESISTOR 100 kOhm 1 8W R525 ERJ6GEYJ392V ERJ6GEYJ392V SMD RESISTOR 3 9 kOhm 1 8W R553 ERJ6GEYJ223V ERJ6GEYJ223V SMD RESISTOR 22 kOhm 1 8W R555 ERQ14AJ2R0E ERQ14AJ2R0...

Page 44: ...SISTOR 2 7 kOhm 1 8W R655 ERJ6GEYJ103V ERJ6GEYJ103V SMD RESISTOR 10 kOhm 1 8W R660 ERJ6GEYJ274V ERJ6GEYJ274V SMD RESISTOR 270 kOhm 1 8W R661 ERJ6GEYJ103V ERJ6GEYJ103V SMD RESISTOR 10 kOhm 1 8W R662 ERJ6GEYJ333V ERJ6GEYJ333V SMD RESISTOR 33 kOhm 1 8W R671 ERJ6GEYJ102V ERJ6GEYJ102V SMD RESISTOR 1 kOhm 1 8W R801 o ERF15ZK3R3 WIRE RESISTOR 3 30 Ohm 15W R801 ERF5ZK2R2 o WIRE CEMENT RESISTOR 2 20 Ohm 5W...

Page 45: ...MD RESISTOR 5 6 kOhm 1 8W R2022 ERJ6GEYJ104V ERJ6GEYJ104V SMD RESISTOR 100 kOhm 1 8W R2130 ERJ6GEYJ101V ERJ6GEYJ101V SMD RESISTOR 100 Ohm 1 8W R2131 ERJ6GEYJ101V ERJ6GEYJ101V SMD RESISTOR 100 Ohm 1 8W R2134 ERJ6GEYJ101V ERJ6GEYJ101V SMD RESISTOR 100 Ohm 1 8W R2135 ERJ6GEYJ101V ERJ6GEYJ101V SMD RESISTOR 100 Ohm 1 8W R2151 o ERJ6GEYJ392V SMD RESISTOR 3 9 kOhm 1 8W R2151 ERJ6GEYJ472V o SMD RESISTOR 4...

Page 46: ...300V ERJ6ENF3300V PRECISION SMD RESISTOR 330 Ohm 1 10W R3019 ERJ6GEYJ104V ERJ6GEYJ104V SMD RESISTOR 100 kOhm 1 8W R3020 ERJ6GEYJ104V ERJ6GEYJ104V SMD RESISTOR 100 kOhm 1 8W R3024 ERJ6GEYJ560V ERJ6GEYJ560V SMD RESISTOR 56 Ohm 1 8W R3025 ERJ6GEYJ103V ERJ6GEYJ103V SMD RESISTOR 10 kOhm 1 8W R3132 ERJ6GEYJ471V ERJ6GEYJ471V SMD RESISTOR 470 Ohm 1 8W R3133 ERJ6GEYJ471V ERJ6GEYJ471V SMD RESISTOR 470 Ohm 1...

Page 47: ...GD9BB00001 K3GD9BB00001 FUSESUPPORT G26 A26 o TXAJTA26CB29K 7 WAY CONNECTOR G27 A27 o TXAJTA27CB29K 1 8 WAY CONNECTOR JK3001 TJB4G635 TJB4G635 AV TERMINAL JK3101 TJB4G634 o FRONTAL AV TERMINAL JK3101L o ECJ2VB1H272K SMD CERAMIC CAPACITOR 2 7 nF 50V JK3101R o ECJ2VB1H272K SMD CERAMIC CAPACITOR 2 7 nF 50V JK351 330550044K2F 330550044K2F CRTSOCKET R19 A19 o TXAJTA19CB29K 4 WAY CONNECTOR A22 SPK TXAJT...

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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