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Panasonic TC-29G12P, Service Manual

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

A/C-Board Foil side

(Bottom view)

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Summary of Contents for TC-29G12P

Page 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 Infrare...

Page 2: ...ure 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 s...

Page 3: ...ra 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 Loca...

Page 4: ...n 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 Pr...

Page 5: ...iously 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 dis...

Page 6: ...adcast 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...

Page 7: ...ay 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 le...

Page 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...

Page 9: ...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 funct...

Page 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...

Page 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 l...

Page 12: ...le 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...

Page 13: ...nnel 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 t...

Page 14: ...rperson 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 t...

Page 15: ...l 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...

Page 16: ...ot 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 R...

Page 17: ...lter 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 addr...

Page 18: ...al 75 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...

Page 19: ...OLOUR BAR pattern of 63 2dB 75 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...

Page 20: ...l 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 C...

Page 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 Fla...

Page 22: ...URE 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 ne...

Page 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 be...

Page 24: ...UIRED 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 40Vr...

Page 25: ...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 RECAL...

Page 26: ...UB 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 o...

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

Page 28: ...e 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...

Page 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 u...

Page 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...

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

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

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

Page 34: ...61 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...

Page 35: ...22B CAP ELETROL 0 22 F 50 V C408 ECJ2VC1H102J CAP CER SMD 1 nF 50 V C409 ECJ2VF1H103Z CAP CER SMD 10 nF 50 V C451 ECQE1224KF3 CAP POLI STER 220 nF 100 V C452 EEUFC1V820B CAP ELETROL 82 F 35 V C453 ECQ...

Page 36: ...56 ECA1CHG221B CAP ELETROL 220 F 16 V C2357 ECEA1HN010UB CAP ELETROL BIP 1 F 50 V C2451 ECA1EM100B CAP ELETROL 10 F 25 V C2452 ECA1EM100B CAP ELETROL 10 F 25 V C2453 ECA1EM4R7B CAP ELETROL 4 70 F 25 V...

Page 37: ...ERDS2TJ562T RES CARBON 5 60 k 1 4 W R004 ERDS2TJ561T RES CARBON 560 1 4 W R005 ERDS2TJ101T RES CARBON 100 1 4 W R006 ERJ6GEYJ391V RES MET FILM SMD 390 1 10 W R007 ERJ6GEYJ561V RES MET FILM SMD 560 1...

Page 38: ...1 10 W R510 ERJ6GEYJ563V RES MET FILM SMD 56 k 1 10 W R511 ERJ6GEYJ473V RES MET FILM SMD 47 k 1 10 W R512 S R513 ERJ6GEYJ152V RES MET FILM SMD 1 50 k 1 8 W R514 ERJ6GEY0R00V RES MET FILM SMD 0 1 10 W...

Page 39: ...D 68 k 1 10 W R2314 ERJ6GEYJ104V RES MET FILM SMD 100 k 1 10 W R2315 ERJ6GEY0R00V RES MET FILM SMD 0 1 10 W R2317 ERDS2TJ561T RES CARBON 560 1 4 W R2318 ERJ6GEYJ103V RES MET FILM SMD 10 k 1 10 W R2319...

Page 40: ...362 ERDS2TJ822T ERDS2TJ272T ERDS2TJ272T R402 ERJ6GEYJ393V ERJ6GEYJ333V ERJ6GEYJ333V Ref No TC 20G12P TC 29G12P TC 29G12PU R406 ERDS1FJ1R5P ERDS1FJ1R0P ERDS1FJ1R0P R407 ERJ6GEYJ562V ERJ6GEYJ332V ERJ6GE...

Page 41: ......

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

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