Panasonic TC-21FJ30LA Page 23 Service Manual Download | Manualshive

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TC-21FJ30LA

Pino 42

Pino 55

IC601

Pino 18

Pino 19

Pino 38

Pino 40

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Summary of Contents for TC-21FJ30LA

Page 1: ...ron SUPPLIED ACCESSORIES 1 Remote Control Transmitter 1 300Ω 75Ω Aerial Adaptor 2 AA type batteries Specifications TC 21FJ30LA 110V 220V AC 60Hz automatic switch 90W 75Ω VHF UHF CATV PAL M NTSC PAL N F S T 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 rear 1 headphone 1 rear 648 x 472...

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: ...ng 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...

Page 4: ...IENDE APAGA PLAY STOP SALTAR BUSCA PARA ADELANTE SALTAR BUSCA PARA ATRÁS Vista Frontal de la Televisión Interruptor Encendido Apagado Botones de selección secuencial de canales Botón de PRE AJUSTE Botón TV AV Vista Trasera de la Televisión Botones de Volumen Entrada de Vídeo Entrada de Áudio Auriculares Sensor de Control Remoto Luz indicadora Entradas para DVD Terminal de la antena Salida del cabl...

Page 5: ...ter 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 applications EHTO 3...

Page 6: ...tage 1 10 4V 2 5V 3 3 9mV IC880 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 All voltage measurements were made in POWER ON mode with 127V 60Hz power source and Color Bars Video Pattern IC802 IC601 PINOUT BO 58 Blue output VDDA 59 analog supply of Teletext decoder and digital supply of TV processor 3 3 V VPE...

Page 7: ...HTN 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 SOUND IF AGC QSS ...

Page 8: ...2 1 A22 3 or A22 2 A22 4 TPL2 TPL1 TPL1 ANODO DO CRT ADJUSTMENT POINTS D C C SPECIFICATIONS 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 Spanish Portuguese and English AUDIO SYSTEM Stereo VERTICAL MAGNETIC FELD 0 15 0 03 ARGENTINA COLOR TEMPERATURE H...

Page 9: ...S 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 After a couple of seconds the expression CHK should appear on the right superior side of the screen To change the memory data press MUTE and VOLUME _ simultaneously while the OSD is still on CHK1 mode Key 4 moves forward in the memory and key 3 mov...

Page 10: ... 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 The OSD color will change for red Press 0 To memorize the adjustment CHK2 MODE TABLE Standard values 22 100 50 36 50 18 49 RF AGC CONT COL S COL TINT S TINT BRT CHK3 MODE TABLE Standard values 31 34 48 31 30 V SLOPE V SHIFT V AMP H SHIFT S CORR CHK4 MODE TABLE Standa...

Page 11: ...input signal of 69 dB µV 75Ω opened channel 07 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 i...

Page 12: ...g 2 4 Press the key 5 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 c...

Page 13: ...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 a D...

Page 14: ...emove 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 and B CENTRAL DOTS and adjust the 6 poles magnets to ...

Page 15: ... 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 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 Thi...

Page 16: ...HA LINHA LINHA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA COLUNA 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 ...

Page 17: ...COLUNA COLUNA COLUNA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA LINHA 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 30 30 C0 A4 94 22 88 28 20 31 24 3 00 00 25 1D 21 16 1E 33 21 25 19 19 1F 1F 1F 1F 4 1F 00 06 00 FD 00 1B 29 80 00 2A 00 34 20 30 21 5...

Page 18: ...TC 21FJ30LA ...

Page 19: ... 19 TC 21FJ30LA SCHEMATICS DIAGRAMS L P C B SCHEMATIC DIAGRAM IC351 TDA6107JF N3 TNP4G276 6 CRT CIRCUIT L5 L8 JK351 ...

Page 20: ... 20 TC 21FJ30LA YUV P C B SCHEMATIC DIAGRAM ...

Page 21: ... 21 TC 21FJ30LA MAIN BOARD CIRCUIT LAYOUT ...

Page 22: ... 22 TC 21FJ30LA IC601 Pino 16 Pino 17 IC451 Pino 1 Pino 7 Pino 5 SIGNAL WAVEFORM All waveforms were obtained using 127V 60Hz power source and Color Bars Pattern Model TC 20KL04 ...

Page 23: ... 23 TC 21FJ30LA Pino 42 Pino 55 IC601 Pino 18 Pino 19 Pino 38 Pino 40 ...

Page 24: ... 24 TC 21FJ30LA Pino 64 IC601 Pino 56 Pino 57 Pino 58 Pino 63 ...

Page 25: ... 25 TC 21FJ30LA Pino 1 IC801 Base Q501 Coletor Coletor Q551 Emissor Q601 Coletor Q602 ...

Page 26: ... 26 TC 21FJ30LA EXPLODED VIEW 1 8 7 16 15 10 2 12 2 9 14 3 11 11 13 5 4 6 11 11 17 ...

Page 27: ...R BUTTON 6 TKP4G13030 CONTROL PANEL DOOR 7 T TKU2B22702 REAR COVER 8 TLK4G9037X DEGAUSSING COIL 9 TKP4G13062 LED GUIDE 10 TKY2B2201 1 FRONTAL CABINET 11 TBL4G3407 LEG CUSHION 12 TES4G214 POWER BUTTON SPRING 13 TBM2B053 1 CONTROL PANEL 14 TNQ2B3302 REMOTE CONTROL 15 S U5012 ADAPTOR BALLUM 300Ω 16 TSX2BA04 AC CABLE 17 TXPTKY2B2201 1 FRONTAL CABINET ASS Y Part No Ref No Part Name Description ...

Page 28: ...0 µF 16 0 V C2109 F2A1C100A180 ELECTROLYTICAL CAP 10 00 µF 16 0 V C2110 ECJ2VB1H332K CERAMIC CAP 3 30 nF 50 0 V C2111 ECJ2VB1H332K CERAMIC CAP 3 30 nF 50 0 V FULLY ASSEMBLED BOARDS A PAL21FJ30LAMON A L P C B ASS Y YUV PYUV20KM04MON YUC P C B ASS Y CAPACITORES C001 ECEA1CKA220B ELECTROLYTICAL CAP 22 00 µF 16 0 V C002 ECJ2VF1H103Z CERAMIC CAP 10 00 nF 50 0 V C003 ECJ2VF1H103Z CERAMIC CAP 10 00 nF 50...

Page 29: ...05 ZENER DIODE 9 9 V 0 5 W 5 0 mA D375 MA3X152K0L SWITCHING DIODE 80 0 V 100 0 mA D402 B0HAHM000008 RECTIFIER DIODE 200 0 V 0 6 A D403 B0ACCK000005 SWITCHING DIODE 90 0 V 100 0 mA D404 B0ACCK000005 SWITCHING DIODE 90 0 V 100 0 mA D511 MAZ4108J0F ZENER DIODE 10 8 V 0 37 W 250 0 mA D512 MA2B17100E SWITCHING DIODE 200 0 Ma D513 B0HAJP000015 RECTIFIER DIODE 400 0 V 0 7 A D515 B0HAJP000015 RECTIFIER DI...

Page 30: ...J6GEYJ221V FILM RESISTOR 220 00 Ohm 1 8 W R186 ERJ6GEYJ471V FILM RESISTOR 470 00 Ohm 1 8 W R187 ERJ6GEYJ221V FILM RESISTOR 220 00 Ohm 1 8 W R190 ERJ6GEYJ391V FILM RESISTOR 390 00 Ohm 1 8 W R351 ERJ6ENF1001V FILM RESISTOR 1 00 kOhm 1 10 W R352 ERJ6ENF1001V FILM RESISTOR 1 00 kOhm 1 10 W R353 ERJ6ENF1001V FILM RESISTOR 1 00 kOhm 1 10 W R354 ERJ6ENF7870V FILM RESISTOR 787 00 Ohm 1 10 W R355 ERJ6ENF78...

Page 31: ... 00 Ohm 1 8 W R1131 ERJ6GEYJ101V FILM RESISTOR 100 00 Ohm 1 8 W R1132 ERJ6GEYJ101V FILM RESISTOR 100 00 Ohm 1 8 W R1133 ERJ6GEYJ562V FILM RESISTOR 5 60 kOhm 1 8 W R1140 ERJ6ENF1002V FILM RESISTOR 10 00 kOhm 1 10 W R1141 ERJ6GEYJ562V FILM RESISTOR 5 60 kOhm 1 8 W R1142 ERJ6GEYJ100V FILM RESISTOR 10 00 Ohm 1 8 W R2101 ERJ6GEYJ101V FILM RESISTOR 100 00 Ohm 1 8 W R2102 ERJ6GEYJ101V FILM RESISTOR 100 0...

Page 32: ...RANSFORMER TUNER TNR001 ENV56K05G3 TUNER OSCILLATORS X101 M1971M SAW FILTER X181 EFCT4R5MW5 CERAMIC FILTER X184 EFCT4R5MS5W CERAMIC FILTER X601 H0D120500006 CRYSTAL 12 00 MHz X2130 H0D184500008 CRYSTAL 18 4 MHZ OTHERS F801 L K3GD9BB00001 FUSE HOLDER F801 R K3GD9BB00001 FUSE HOLDER Part No Ref No Part Name Description ...

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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