Panasonic TC-20G12P Скачать руководство пользователя | Manualshive

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TC-20G12P / TC-29G12P / TC-29G12PU

A/C-Board Foil side

(Bottom view)

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Содержание TC-20G12P

Страница 1: ...eption Tuning system Audio power Video input Audio input Audio output Audio reception Visual diagonal Cinescope Dimensions W H D Weight Remote Control Transmiter Power Source 3V 2 R6 batteries Infrared Length 9500 A Angstron Number of Buttons 20 buttons Dimensions W x H x D 51 x 26 x 140 mm Provided accessories l 1 Remote Control Transmiter l 1 Antenna adaptor 300Ω 75Ω l 2 R6 size batteries 1 5V A...

Страница 2: ...ture 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 transformer when testing Important Safety...

Страница 3: ...era video game etc 10 Audio output P AMPLIF DE AUDIO Use this terminal to output audio to an external stereo amplifier Do not connect loudspeakers directly to this terminal 11 Power cable Controls Location Remote control 1 POWER button Press to turn the TV set on or off The POWER button in the TV set must be ON 2 Button to turn the sound temporarily off MUTE Press this button once to turn the soun...

Страница 4: ...on will be temporarily displayed on the screen When using the numerical keypad in CABLE mode to select channels 10 11 or 12 there is a delay before the channels are changed due to the VOLUME buttons Press these buttons to adjust sound level MUTE button Press this button to temporarily turn off the sound On the screen the red icon will appear To turn the sound back on press this button again Switch...

Страница 5: ...ously set Channel identification if previously set R TUNE quick tune in button Use this button to alternate instantly between the two channels last selected Operation 1 Press the ACTION button to display the main menu 2 Use the CHANNEL buttons or 4 or VOLUME buttons Òor Ó to select from the menu the symbol of the desired function the selected symbol will display in red 3 To exit the main menu sele...

Страница 6: ...oadcast as such SAP According to audio program usually allows reception of audio that is broadcast in the original language MONO When the audio signal is broadcast through only one channel or when the stereo reception is not good Operation 1 Press the ACTION button to display the main menu 2 Use the CHANNEL buttons or 4 or VOLUME buttons or to select the AUDIO symbol 3 Press again the ACTION butto...

Страница 7: ...may be that while adjusting contrast and brightness to minimum values the displayed menu becomes too dark If this happens press the ACTION and POWER on the TV set panel buttons simultaneously for at least 5 seconds By doing this all values already configured by the user such as clock color and channel color system are reset to the original factory settings Operation Blue screen BLUE BACK This func...

Страница 8: ... OTHER OPTIONS and a second page for adjustments will display 5 Press the CHANNEL button to select the CHANNEL function If the set is in video mode skip instructions 5 and 6 6 Using the VOLUME buttons or or the numerical keypad select the channel to be adjusted 7 Press the CHANNEL button to select the function CHANNEL COLOR ADJUSTMENT 8 Use the VOLUME buttons to select between I minimum I normal o...

Страница 9: ...e the set turns itself off after 90 minutes if there is no activation of any function during this period For the automatic turn off to occur the TV set must be turn on by PROGRAM TIMER ON and the function PROGRAM TIMER OFF should not be programmed The automatic turn off does not occur if any button of any function has been pressed during the 90 minutes This feature avoids the TV set remaining on f...

Страница 10: ... To deactivate the automatic on off timer select NO in step 13 14 Press the ACTION button twice to exit the timer adjustment menu Operation Adjusting the clock To adjust the clock the POWER button must be in the ON position If the TV set is turn off by the POWER button the clock must be adjusted again The clock provided that the time has been adjusted will display on the screen when the set is tur...

Страница 11: ... may be that while adjusting contrast and brightness to minimum values the displayed menu becomes too dark If this happens press the ACTION and POWER on the TV set panel buttons simultaneously for at least 5 seconds By doing this all values already configured by the user such as clock color and channel color system are reset to the original factory settings Operation Blue screen BLUE BACK This fun...

Страница 12: ...ble to tune in all channels that are locally broadcast These channels are the programmed channels and are selected through the CHANNEL buttons or 4 or through the numerical keypad on the remote control Note This function is automatically disabled when the function GAME GUARD is active 1 Press the ACTION button to display the main menu 2 Use the CHANNEL buttons or 4 or VOLUME buttons or to select t...

Страница 13: ...annel from memory yellow color 9 Repeat steps 7 and 8 to store or delete channels from memory 10 Press the ACTION button twice to exit the manual tuning menu Operation AUTO POWER ON For this function to be available the POWER button must be in the ON position If the TV set is hooked to a cable TV converter which has a power switch the switch may be used to turn on and off both simultaneously Note ...

Страница 14: ...orperson DISPLAY T1 T4 idem C1 C4 has a different placement of the information T1 T4 displays in a black window positioned in the bottom half of the screen displaying the information corresponding to the selected cc MODE For example for a soccer game it may display the players names Subtitles display mode cc MODE Operation 1 Press the ACTION button to display the main menu 2 Use the CHANNEL button...

Страница 15: ...el 4 The sound level and the function MUTE may be accessed from the remote control unit Connection Connecting to a videocassette recorder VCR To connect to a videocassette recorder proceed as follows 1 Connect the external equipment as show in the illustration to the terminals labeled ENT input 2 Select the video mode by pressing the TV VIDEO button on the TV set 3 Turn on the connected VCR or vid...

Страница 16: ...not mix new and used batteries 3 Do not mix different types of batteries for example carbon zinc with alkaline batteries 4 Do not attempt to charge short circuit open warm up or burn used batteries 5 Remove the batteries from the unit if the unit is not going to be used for a long while Note Once discharged the batteries included with this product may be disposed off with domestic trash Useful Sug...

Страница 17: ...alter among CHQ s B0 C0 S0 M0 press POWER 5 To alter among DAC s B0 B1 and C0 C1 press CH or CH _ and to alter the values press VOL or Vol _ 6 To get access to contents of directions of the memory address shows bellow set DAC S 0 and press MUTE button on the remote control for about 3 sec TO EXIT SERVICE MODE 1 Press ACTION and POWER button simultaneously on the TV panel for about 3 sec RESET Pres...

Страница 18: ...al 75Ω open Using a high VHF channel 7 13 2 Set the CONTRAST control on center position 3 Verify the CONTRAST variation with SUB CONTRAST DAC B 3 to get a 3 0Vp p wave form on the oscilloscope at TP2 4 Verify if snow appear when the RF AGC register DAC Ca is decreased Then increase it slowly until the snow has disappeared WHITE BALANCE ADJUSTMENTS REQUIRED EQUIPMENTS CONNECTIONS Oscilloscope Conne...

Страница 19: ...OLOUR BAR pattern of 63 2dB 75Ω open in the antenna terminal Using a high VHF channel 7 13 2 Confirm a normal image 3 Check if the noises disappear when the RF AGC register DCA Ca is decreased and note the reference voltage Confirm if the noise appear when the register is increased 4 Increase slowly the AGC register DAC Ca until the TP8 voltage get a reference voltage less of 0 2V maximum voltage ...

Страница 20: ...el to the wave form doesn t be compressed 5 Adjust the SUB COLOR DAC B0 to obtain B as showed below 6 Remove the jumper on TP38 A NTSC SUB TINT ADJUSTMENT REQUIRED EQUIPMENTS CONNECTIONS Oscilloscope Connect to TP1 E board or Y board PREPARATION 1 BRIGHT Center or Normal 2 COLOR Center or Normal 3 TINT Center or Normal 4 CONTRAST Max or Normal 5 COLOR SYSTEM AUTO or NTSC PROCEDURE 1 Position a jum...

Страница 21: ...D RMS meter Between TP18 MPX in and GND Note The GND of oscilloscope must be next of IC2201 01 terminal for minimum noise 60 _30 PROCEDURE 1 Apply the next signal to antenna input RF Video 100 IRE Flat Field Modulation 30 Audio 15 734KHz sinusoidal wave 70 5dB 75Ω open P S 10dB 2 Adjust the output level signal generator for that a 15 734KHz wave form be 100 5mVrms on TP18 3 On service mode adjust ...

Страница 22: ...DURE 1 Measure TP42 for period 2 Adjust the register DAC S0 based in the next formula DAC S0 128 0 901x106 1 1 244 1406xTP42 3 Or measure TP42 for frequency 4 Adjust the register DAC S0 based in the next formula DAC S0 128 0 901x106 244 1406 TP42 244 1406 DEFLECTION CIRCUIT CHECKUP REQUIRED EQUIPMENTS CONNECTIONS Voltmeter 50KV Connect to CRTanode PREPARATION 1 CONTRAST Minimum 2 BRIGHT Minimum PR...

Страница 23: ...illoscope PROCEDURE 1 On service mode press R TUNE on remote control to enter to horizontal line mode 2 See GK on the oscilloscope screen then adjust SUB BRIGTH DAC B2 to raster period be as showed below 3 Adjust SCREEN VR to the first line stayed lightly lighted Note After adjusted SCREEN VR doesn t must be altered 4 Adjust CUT OFF to the horizontal line become white R B CUT OFF DAC C0 DAC C2 5 P...

Страница 24: ...REQUIRED EQUIPMENTS CONNECTIONS RMS Voltmeter CRT filament terminal PROCEDURE 1 Apply crosshatch pattern 2 The filament voltage must be TC 20G12P 6 15V 0 40Vrms _0 24Vrms TC 29G12P TC 29G12PU 6 3V 0 40Vrms _0 24Vrms SUB BRIGHT ADJUSTMENT PREPARATION Adjust CONTRAST to maximum and BRIGHT to center PROCEDURE 1 Apply standard SUB BRIGHT 2 Adjust SUB BRIGHT DAC B2 to the central part of PART 6 and PAR...

Страница 25: ...l proportions to blue and green figure below 3 5 Slowly move the deflection coil forward until an uniform red is obtained completing the whole screen 3 6 Fix the deflection coil in place 3 7 Keep RECALL button pressed at the remote control and verify the purity of colours green blue and white Recheck for purity and readjust if necessary 4 Adjustment of estatic convergence 4 1 Apply a crosshatch st...

Страница 26: ...SUB CONTRAST SUB SHARPNESS V SIZE V CENTER V CENTER offset R CUT OFF G CUT OFF B CUT OFF R DRIVE B DRIVE R DRIVE warm B DRIVE warm R DRIVE cool B DRIVE cool AFT RF AGC RF AGC offset H CENTER H CENTER offset VIDEO OUT GAIN CLOCK ADJUST LOUDNESS COMP INPUT LEVEL STEREO PLL VCO FILTER LOW LEVEL SEP HIGH LEVEL SEP 0 127 0 255 0 127 0 15 0 15 0 15 0 7 Range 0 255 0 63 0 63 0 63 0 63 0 63 0 63 15 128 64...

Страница 27: ... 27 TC 20G12P TC 29G12P TC 29G12PU Main Board Schematic Diagram TC 20G12P TC 29G12P TC 29G12PU ...

Страница 28: ...he oscilloscope of wide band and low capacity test points 1 to 10 The form and peak amplitude may vary depending on the oscilloscope and it s adjustment 01 IC601 Pin 12 02 IC601 Pin 14 03 IC601 Pin 15 04 IC601 Pin 19 05 IC601 Pin 20 06 IC601 Pin 22 07 IC601 Pin 23 08 IC601 Pin 24 09 IC601 Pin 26 10 IC601 Pin 32 11 IC601 Pins 33 35 45 47 and 64 12 IC401 Pin 02 13 IC401 Pin 03 14 IC401 Pin 04 and 05...

Страница 29: ... 41 40 39 38 37 36 35 34 33 GND 12MHz X tal 12MHz X tal 5V SCL SDA Version MSB Version GM 50 60Hz V pulse neg Reset Main AV select 1 Main AV select 2 X tal PAL M PAL N Sound defeat Not used open Not used open Speaker on L off H OSD Semi trans Volume OSD red OSD green OSD blue OSD blank Hold down detect H plus neg GND AI Sound IF Defeat Recharge Power Down 3D WOOFER RMIN P06 ADIN0 ADIN1 AFC 2º Tune...

Страница 30: ...o e croma 32 AFC2 FILTER DC 4 5V AFC2 FILTER 33 CHROMA IN DC 3 5V CHROMA input 34 ID FILTER Identification filter 35 VIDEO IN DC 2 7V Video input 36 X RAY IN DC 0V X RAY in 38 BLACK HOLD DC 3 1V Black level hold pin for black strech function 40 CONTRAST Detection ACL filter 41 X TAL 3 58 DC 3 3V Crystal NTSC 42 KILLER FILTER DC 3 7V Killer filter 43 EXT IN DC 1 95V External video input 44 CHROMA A...

Страница 31: ... 31 TC 20G12P TC 29G12P TC 29G12PU A C Board Components side Top view ...

Страница 32: ... 32 TC 20G12P TC 29G12P TC 29G12PU A C Board Foil side Bottom view ...

Страница 33: ... 33 TC 29G12P TC 29G12PU Cabinet Parts Location ...

Страница 34: ...1161 1 TKP2B11161 1 TKP2B11161 1 AC CABLE HOLDER 17 TKY2B0906 4 TKY2B1304 3 TKY2B1304 3 CABINET 19 TKK2B0304 TKK2B0303 TKK2B0303 LED GUIDE 20 _o_ EXCELSA35T EXCELSA35T MAGNET 26 ENV56D75G3R ENV56D75G3R ENV56D75G3R TUNER 21 TXF3A20C7 1 TXF3A20C7 1 TXF3A20C7 1 COIL SPRING 22 TQB2B0129 1 TQB2B0129 1 TQB2B0129 1 OPERATING INSTRUCTIONS 23 TKP2B11201 2 TKP2B11191 2 TKP2B11191 2 PAINEL FUME 24 TZGNPAC20G...

Страница 35: ...HGR22B CAP ELETROL 0 22 µF 50 V C408 ECJ2VC1H102J CAP CER SMD 1 nF 50 V C409 ECJ2VF1H103Z CAP CER SMD 10 nF 50 V C451 ECQE1224KF3 CAP POLIÉSTER 220 nF 100 V C452 EEUFC1V820B CAP ELETROL 82 µF 35 V C453 ECQB1H104JM6 CAP POLIÉSTER 100 nF 50 V C454 ECA1HHG330B CAP ELETROL 33 µF 50 V C455 ECA1JHG100B CAP ELETROL 10 µF 63 V REF NO ASSEMBLED BOARDS CAPACITORS PART NO DESCRIPTION REF NO CAPACITORS PART N...

Страница 36: ... V C2356 ECA1CHG221B CAP ELETROL 220 µF 16 V C2357 ECEA1HN010UB CAP ELETROL BIP 1 µF 50 V C2451 ECA1EM100B CAP ELETROL 10 µF 25 V C2452 ECA1EM100B CAP ELETROL 10 µF 25 V C2453 ECA1EM4R7B CAP ELETROL 4 70 µF 25 V C2454 ECA1CM221B CAP ELETROL 220 µF 16 V C3001 ECA1HM010B CAP ELETROL 1 µF 50 V C3002 ECA1HM010B CAP ELETROL 1 µF 50 V C3003 ECA1HM010B CAP ELETROL 1 µF 50 V C3004 ECJ2VB1H272K CAP CER SMD...

Страница 37: ...RES CARBON 5 60 kΩ 1 4 W R004 ERDS2TJ561T RES CARBON 560 Ω 1 4 W R005 ERDS2TJ101T RES CARBON 100 Ω 1 4 W R006 ERJ6GEYJ391V RES MET FILM SMD 390 Ω 1 10 W R007 ERJ6GEYJ561V RES MET FILM SMD 560 Ω 1 10 W R008 ERDS2TJ562T RES CARBON 5 60 kΩ 1 4 W R010 ERDS2TJ222T RES CARBON 2 20 kΩ 1 4 W R011 ERJ6GEYJ684V RES MET FILM SMD 680 kΩ 1 10 W R012 ERDS2TJ473T RES CARBON 47 kΩ 1 4 W R013 ERJ6GEYJ472V RES MET ...

Страница 38: ...0 W R510 ERJ6GEYJ563V RES MET FILM SMD 56 kΩ 1 10 W R511 ERJ6GEYJ473V RES MET FILM SMD 47 kΩ 1 10 W R512 S R513 ERJ6GEYJ152V RES MET FILM SMD 1 50 kΩ 1 8 W R514 ERJ6GEY0R00V RES MET FILM SMD 0 Ω 1 10 W R515 ERJ6GEYJ393V RES MET FILM SMD 39 kΩ 1 10 W R516 ERJ6GEYJ222V RES MET FILM SMD 2 20 kΩ 1 10 W R517 ERJ6GEYJ274V RES MET FILM SMD 270 kΩ 1 10 W R518 ERDS2TJ684T RES CARBON 680 kΩ 1 4 W R519 ERJ6G...

Страница 39: ...LM SMD 68 kΩ 1 10 W R2314 ERJ6GEYJ104V RES MET FILM SMD 100 kΩ 1 10 W R2315 ERJ6GEY0R00V RES MET FILM SMD 0 Ω 1 10 W R2317 ERDS2TJ561T RES CARBON 560 Ω 1 4 W R2318 ERJ6GEYJ103V RES MET FILM SMD 10 kΩ 1 10 W R2319 ERDS2TJ562T RES CARBON 5 60 kΩ 1 4 W R2320 ERJ6GEY0R00V RES MET FILM SMD 0 Ω 1 10 W R2321 ERDS2TJ101T RES CARBON 100 Ω 1 4 W R2322 ERJ6GEYJ472V RES MET FILM SMD 4 70 kΩ 1 10 W R2352 ERJ6G...

Страница 40: ...R362 ERDS2TJ822T ERDS2TJ272T ERDS2TJ272T R402 ERJ6GEYJ393V ERJ6GEYJ333V ERJ6GEYJ333V Ref No TC 20G12P TC 29G12P TC 29G12PU R406 ERDS1FJ1R5P ERDS1FJ1R0P ERDS1FJ1R0P R407 ERJ6GEYJ562V ERJ6GEYJ332V ERJ6GEYJ332V R415 ERDS1FJ4R7T ERDS1FJ2R2T ERDS1FJ2R2T R504 ERJ6GEYJ821V ERJ6GEYJ681V ERJ6GEYJ681V R505 ERJ6GEYJ472V ERJ6GEYJ562V ERJ6GEYJ562V R512 ERG2FJ562H ERG2FJ392H ERG2FJ392H R528 ERDS2TJ102T ERDS2TJ3...

Страница 41: ......

Страница 42: ...Panasonic do Brasil Ltda CS GROUP TECHNICAL SUPPORT ...

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