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Service Manual

ORDER DCS - SEP2005 - 004 - MS

TC-20KL05P

Chassis GP31

TELEVISION

Power souce

Consumption

Antenna imput

Color sytem

Tuning system

Channel capability

Picture tube
Imput

Imput jack

AV Terminals

Dimension (WxHxD)

Weigth

Specifications

TC-20KL05P

127V / 220V AC, 60Hz
automatic switch

61W

- VHF/UHF/CATV

PAL-M / NTSC / PAL-N

(FST)

VHF: 2 ~13
UHF: 14 ~ 69
CATV: 1 ~ 125

PANABLACK
20” CRT, 51cm (NBR5258)
48cm

Measured diagonally

3 W max (PMPO)

1 (rear)

514 x 468x 461mm

17,0 Kg

Color Television

REMOTE CONTROL TRANSMITER:
Model:

TNQ2B2801-1

Power source: 3V (2 AA type batteries)

Infrared wave lenght 9500

(Angstron)

Supplied accessories:
• 1 remote control transmitter
• 1 Balum 300 ohms / 75 ohms
• 2 “AA” (or R6) batteries (1.5 V; ABNT/IEC)
• 1 antenna

Specifications are subject to change without prior notice or obligation.

Содержание TC-20KL05P

Страница 1: ...N FST VHF 2 13 UHF 14 69 CATV 1 125 PANABLACK 20 CRT 51cm NBR5258 48cm Measured diagonally 3 W max PMPO 1 rear 514 x 468x 461mm 17 0 Kg Color Television REMOTE CONTROL TRANSMITER Model TNQ2B2801 1 Power source 3V 2 AA type batteries Infrared wave lenght 9500 Å Angstron Supplied accessories 1 remote control transmitter 1 Balum 300 ohms 75 ohms 2 AA or R6 batteries 1 5 V ABNT IEC 1 antenna 2005 Pana...

Страница 2: ...ndling use safety goggles and heavy gloves for protection Discharge the picture tube by shorting the anode to chassis ground not to the cabinet or to other mounting hardware When discharging connect cold ground i e dag ground lead to the anode with a well insulated wire or use a grounding probe Avoid prolonged exposure at close range to unshielded areas of the picture tube to prevent exposure to X...

Страница 3: ... 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 or Tin Zinc and B...

Страница 4: ... TV AV AV IN L MONO R VIDEO AUDIO Video input Audio input Earphone output Panasonic Location of Controls Remote Control Panasonic u e 1 2 3 4 5 6 7 8 9 0 R TUNE WAKE UP TV AV CC PIC MENU MAIN MENU SOUND MENU SAP SURROUND VOL VOL CH CH N SAP SURROUND SOUND MENU PIC MENU MAIN MENU POWER TIMER MUTE TV AV RECALL NORMALIZATION VOLUME AND MENU NAVIGATION CHANNELS KEYBOARD FOR DIRECT SELECTION WAKE UP R ...

Страница 5: ... for TV processor SNDPLL 26 narrow band PLL filter IC 27 Inter nally connected 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 AUDEEM 33 Deemphasis front end audio out EHTO 34 EHT overvoltage protection input PLLIF 35 IF PLL loop filter IC 36 Internally connected IC 37 Internally connected IF...

Страница 6: ...e 1 141V 2 9V 3 0V IC802 Pin Voltage 1 10 4V 2 5V 3 0V IC880 VPE 60 OTP Programming Voltage VDDC 61 digital supply to core 3 3 V OSCGND 62 oscillator ground supply XTALIN 63 crystal oscillator input XTALOUT 64 crystal oscillator output RESET 65 reset VDDP 66 digital supply to periphery 3 3 V P1 0 INT1 67 port 1 0 or external interrupt 1 input P1 1 T0 68 port 1 1 or Counter Timer 0 input P1 2 INT0 ...

Страница 7: ...CC 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 SOUND IF AGC QSS MIXER AM DEMODULTOR S...

Страница 8: ...ght x 0 275 0 01 y 0 284 0 01 Y 150 nit Low Light x 0 273 0 01 y 0 283 0 01 Y 7 0 nit REFERENCE VOLTAGE B VOLTAGE Sound confirmation PAL color output NTSC color output Anode EHT voltage Memory Data 140 1 5V 8 1V 5 1V 175 1V 0 5 Vp p 2 25 0 1Vo p 2 25 0 5Vo p 2 5 0 5Vo p 26 5 0 7 kV 26 5 1 5 kV 002 007 009 010 008 CONTENTS REFERENCE TEST POINT TPA10 TPA8 TPA9 TPA21 BetweenA22 1andA22 3 or A22 2 and...

Страница 9: ...r on the right superior side of the TV screen 2 To change to memory data press MUTE and VOLUME _ simultaneously while the OSD is still on CHK1 mode 3 Press key 2 to move forward and 8 to move backward each page 8h positions in the memory Exemple Memory position is 100 After pressing 2 the cursor will go to position 0F8 and after pressing 8 the cursor will go to position 108 4 Press 4 and 6 to move...

Страница 10: ...t by pressing the VOL _ or VOL keys CHK3 MODE PINCUSHION ADJUSTMENTS On CHK3 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 CHK4 MODE WHITE BALANCE ADJUSTMENTS On CHK4 mode it is possible to adjust the items of the table shown here N...

Страница 11: ...MN COLUMN COLUMN COLUMN COLUMN LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE TABLE 1 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 06 56 00 06 57 00 06 58 00 06 59 00 06 5A 00 1 06 5B 00 06 5C 00 06 5D 00 06 5E 00 06 5F 00 06 2 60 00 06 61 00 06 62 00 06 63 00 06 64 00 06 65 3 00 06 66 00 06 67 00 06 68 00 06 69 00 06 6A 00 4 06 6B 00 06 6C 00 06 6D 00 06 6E 00 06 6F 00 06...

Страница 12: ...N COLUMN LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE TABLE 3 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2 00 00 00 00 00 10 FF 00 00 00 22 88 26 20 23 21 3 FF 23 1E 26 17 1A 0F 21 25 12 1D 19 1C 17 1B 1F 4 21 FF 0C 00 FD 00 1C 25 80 00 2A 00 35 20 30 21 5 02 48 12 44 02 80 3...

Страница 13: ...l of 69 dB mV 75W opened channel 7 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 r...

Страница 14: ...d confirm that OSD becomes white Fig 1 A 2 0 0 2Vo p B 2 3 0 5V D 2 15 0 5V Fig 2 A 2 0 0 2Vo p C 2 5 0 5V 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 becomes blue AKB...

Страница 15: ...djustment 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 a DC...

Страница 16: ...IGHT control for the crosshatch pattern to be gray 4 Remove the DY wedges and slightly tilt 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...

Страница 17: ...pply a MONOSCOPE signal 2 Adjust the vertical height V AMP 60Hz CHK3 so that C and D values in illustration 2 it is 1 5 2 0 and to A and B values in illustration 2 it is 1 5 1 6 3 To MEMORIZE in EEPROM Fig 1 Fig 2 15 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 balance This sign should contain bu...

Страница 18: ... 18 TC 20KL05P SCHEMATICS DIAGRAMS CRT P C B ...

Страница 19: ...TC 20KL05P P C B SHEMATIC DIAGRAM TC 20KL05P 19 ...

Страница 20: ...6 2 R3 72 C607 R1140 C608 R1141 2 R3 75 C 09 6 4 R11 2 27 R3 6 R 277 3 27 R3 8 C 10 6 C611 C612 1 C6 3 C614 A5 C615 R3282 C618 JS550 C619 R3285 2 R3 86 R 287 3 28 R3 8 JS557 C 20 6 21 C6 C622 2 C6 3 2 C6 5 R3292 R3293 R857 JS3000 5 JS 60 R 294 3 5 R8 8 2 R3 95 JS561 JS3001 18 JS 1 3 C6 1 C 33 6 JS184 JS186 C636 72 R6 R867 R868 R869 J 01 S3 5 TPA1 TP 2 A D002 3 JS 016 TPA3 D003 T 4 PA D005 Q101 Q 0...

Страница 21: ... 21 TC 20KL05P Pino 16 Pino 17 Pino 1 Pino 5 Pino 3 Pino 7 I C 6 0 1 SIGNAL WAVEFORM All waveforms were obtained using 127V 60Hz power source and Color Bars Pattern IC451 ...

Страница 22: ... 22 TC 20KL05P Pino 42 Pino 55 IC601 Pino 18 Pino 19 Pino 38 Pino 40 ...

Страница 23: ... 23 TC 20KL05P Pino 64 IC601 Pino 56 Pino 57 Pino 58 Pino 63 ...

Страница 24: ... 24 TC 20KL05P Pino 1 IC801 Base Q501 Coletor Coletor Q551 Emissor Q601 Coletor Q602 ...

Страница 25: ... 25 TC 20KL05P EXPLODED VIEW 5 32 32 ...

Страница 26: ...AUSSING COIL HOLDER 17 TKP2B11161 2 AC CABLE HOLDER 18 EXP TKY2B2003 5 FRONT CABINET 19 TKP2B11291 LED GUIDE 20 TMK2B564 HIMERON 21 TXF3A20C7 1 COIL SPRING 22 TQB2B0149 OPERATING INSTRUCTIONS 23 TES2B212 POWER BUTTON SPRING 24 TBM2B047 3 CONTROL PANEL 25 PAL20KL05PMON ASSEMBLED P C B 28 TKP2B11271 DOOR 29 TKK2B9524 POWER SWITCH EXTENSOR 30 K3B095A00001 CRT 20 SOCKET 31 TKX2B1301 SPEAKER SUPPORT 32...

Страница 27: ...1C101A180 ELECTROLYTICAL CAP 100µF 16V Ref No Part No Part Name Description C640 F2A1C100A180 ELECTROLYTICAL CAP 10µF 16V C641 ECJ2VC1H100C CERAMIC CAP SMD 10PF 50 0 V C670 F2A1C100A180 ELECTROLYTICAL CAP 10µF 16V C680 ECJ2YB1H473K CERAMIC CAP SMD 47nF 50V C685 ECJ2VC1H101K CERAMIC CAP SMD C686 ECJ2YB1H473K CERAMIC CAP SMD C687 ECJ2VF1H104Z CERAMIC CAP SMD 100nF 50 0 V C689 ECJ2VF1H104Z CERAMIC CA...

Страница 28: ... V 0 7 A D520 B0ACQJ000001 SWITCHING DIODE 80 0 V 250 0 mA D551 MAZ30470HL ZENER DIODE SMD VZ 4 74 4 99 V AT IZ 5MA D552 B0HAJP000015 RECTIFIER DIODE 400 0 V 0 7 A D555 B0ACQJ000001 SWITCHING DIODE 80 0 V 250 0 mA D556 B0EAKV000008 RECTIFIER DIODE 1 000V 1 0 A VFM 1 2V D557 B0HAMR000073 RECTIFIER DIODE 600 0 V 1 0 A D558 B0AADM000003 SWITCHING DIODE 200V 0 2 A 1SS244T 77 D583 B0ACQJ000002 SWITCHIN...

Страница 29: ...0 kΩ 1 8W R008 D0GD681JA017 RESISTOR 680Ω 1 8W R011 D0GD103JA017 RESISTOR 10kΩ 1 8W R012 D0GD332JA017 RESISTOR 3 30 kΩ 1 8W R021 D0GD273JA017 RESISTOR 27kΩ 1 8W R022 D0GD473JA017 RESISTOR 47kΩ 1 8W R182 D0GD221JA017 RESISTOR 220Ω 1 8W R186 D0GD471JA017 RESISTOR 470Ω 1 8W R187 D0GD221JA017 RESISTOR 220Ω 1 8W R190 D0GD391JA017 RESISTOR 390Ω 1 8W R351 ERJ6ENF1001V RESISTOR 1kΩ 1 10 R352 ERJ6ENF1001V ...

Страница 30: ...RESISTOR 100Ω 1 8W R1133 D0GD562JA017 RESISTOR 5 60 kΩ 1 8W R1134 D0GD103JA017 RESISTOR 10kΩ 1 8W R1135 D0GD333JA017 RESISTOR 33kΩ 1 8W R1136 D0GD332JA017 RESISTOR 3 30 kΩ 1 8W R1140 ERJ6ENF1201V RESISTOR 1 20 kΩ 1 10W R1141 D0GD562JA017 RESISTOR 5 60 kΩ 1 8W R1142 D0GD100JA017 RESISTOR 10Ω 1 8W R2101 D0GD101JA017 RESISTOR 100Ω 1 8W R2102 D0GD101JA017 RESISTOR 100Ω 1 8W R2106 D0GD101JA017 RESISTOR...

Страница 31: ...Panasonic da Amazônia S A CS DIVISION TECHNICAL SUPPORT Rod Presidente Dutra Km 155 São José dos Campos SP BRAZIL ...

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