Panasonic TC-29P10N Page 37 Service Manual Download | Manualshive

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Summary of Contents for TC-29P10N

Page 1: ...change without notice Mass and dimensions shown are approximate Specifications Power Source AC100 V 60 Hz Power Consumption TC 29P10N TC 33P10N 134W 144 W Stand by condition 0 4W Stand by condition 0 4 W Aerial Impedance 75Ω unbalanced Coaxial type Receiving system NTSC M Tuning System Voltage Synthesizer 100 position Auto Search Receiving Channels VHF Band 2 13 NTSC M U S A UHF Band 14 69 NTSC M ...

Page 2: ...cations Cover Safety Precautions 3 In regard to the self check function 5 Servicing method 6 Service Hint 7 Adjustment 12 Schematic Diagrams 29 Parts Location Mechanical Replacement Parts List 45 Replacement Parts List 47 ...

Page 3: ...eakage Current Cold Check 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Turn on the receiver s power switch 3 Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metallic cabinet part on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the r...

Page 4: ...adiation Note It is important to use an accurate periodically cali brated high voltage meter 1 Set the brightness to minimum 2 Measure the High Voltage The meter reading should indicate 31 5 1 5 1 5 kV If the meter indication is out of tolerance immediate service and correction is required to prevent the possibility of premature compo nent failure 3 To prevent an X Radiation possibility it is esse...

Page 5: ...tive Inspect the rear terminal switching board H IC3001 H34 No video No raster Color stop No color synchronization Wrong colors Bad on screen display No horizontal vertical synchronization Inspect the digital core board DG IC6601 H36 No video Color stop Wrong colors Bad on screen display No horizontal vertical synchronization Inspect the video signal processing board AG IC301 H55 The red bar is di...

Page 6: ... Please apply grease when the anode cap has been removed Please discharge the high voltage from the anode Wipe off the applied grease and then apply new grease Follow the illustration on the right for the application Clamper Lead wire SP left lead G9 Anode lead DY Focus screen Center SP G8 CY 1 2 3 4 5 6 7 8 9 10 Clamper Lead wire AC DEG SP right lead G8 L11 P3 H5 1 2 3 4 5 6 7 8 9 10 ...

Page 7: ...Board D Board Pull toward you Stand the main chassis Remove 8 Screws Note Extension cable kit 4 pieces of 8 pin cable is supplied as service fixtures and tools Part No TZS 709010 L BOARD V BOARD K BOARD D BOARD P BOARD DF BOARD DG BOARD AG BOARD H BOARD N BOARD A BOARD G BOARD DG BOARD ...

Page 8: ... 8 Board and module layout drawing Before inspection 1 Remove the screws fixing the rear cover 8 screws and the screw fixing the AC code cover Inspect the board L and adjust the white balance H V etc ...

Page 9: ...nd rotate the chassis frame as shown in following figure Now inspection is possible from the parts side of the boards G and K 2 Disengage the tabs 4 places tilt up the board K in arrow direction and inspect it with the pattern side on top At this time place a cloth underneath for safety insulation 3 At the time of installation match the board and the chas sis pins and install Warning Electric shoc...

Page 10: ...itch ing board H down to the front 3 Inspection is possible in the following condition 4 In case of exchange disconnect the coupler H5 from the rear terminal switching board H and disengage the cou pler in upward direction either in this condition or with the rear terminal switching board H slightly raised Rear terminal frame screws 3 screws Locking tab Locking tab Rear terminal switching board H ...

Page 11: ...Adjustment refer to page 26 When the video signal processing board AG has been exchanged confirm the TV signal the color bar signal etc On the screen and perform Contrast Adjustment Color Output Color Hue Adjustment refer to page 36 and 27 asa required For easier understanding of the explanations the condition with removed print holder is shown The rear terminal switching board H also has been rem...

Page 12: ...on on the remote control Cancellation Next press three times Press VOL Remote control button Screen for one horizontal line Adjustment Adjustment item selection Contents Selection of main items Volume Selection of sub items For white balance adjustment 1 2 3 5 4 Channel selection is done with the CHANNEL button Press the button VOL inside the door of the main unit while pressing the button Recall ...

Page 13: ...tness 00 to C0 Red drive 00 to FF Blue drive 00 to FF 18 Color darkness 00 to 3F 18 30 6B 38 RF AGC1 92 R CUT 19A G CUT 43 B CUT 187 BRT 20 S BRT 6B R DRV 86 B DRV A6 When R G B CUT BRT or S BRT is selected the screen becomes one horizontal line when button on the remote control is pressed Even when BRT is adjusted the value will not be memorized How to read the diagram Possible adjustment range V...

Page 14: ...cushion lower pincushion corners 00 to 0F Top pincushion upper pincushion corners 00 to 0F Vertical pin keystone distortion 00 to 3F Adjustment only at the time of 16 9 mode Caution items 1 When H key vertical pin keystone distortion is adjusted the vertical position changes and V POS vertical position must be adjusted However when the vertical position is raised too much the on screen display no ...

Page 15: ...Installation and provisional adjustment method Purpose Facilitation of adjustment after installation 1 Push the deflection yoke all the way to the front and fix it provisionally 2 Align the knobs of purity magnet 4 pole convergence magnet and 6 pole convergence magnet to minimize the composite magnetic field 3 Demagnetize the front and the rear of the picture tube the left and the right side of th...

Page 16: ...rn 2 Confirm that the knobs of purity magnet 4 pole convergence magnet and 6 pole convergence magnet all are aligned 3 Loosen the screws fixing the deflection yoke and provisionally fix the deflection at the very front position with adjusted inclination 4 Adjust the VRS magnet Fig 2 so that the horizontal lines of the crosshatch pattern become level Fig 3 5 Next perform purity adjustment Fig 2 Fig...

Page 17: ...ue and green In case of uneven coloring repeat the adjustments 3 and 4 for the color with the uneven coloring 6 Receive a rainbow color bar and use the TV reception channel fine adjustment for a black and white image Or use color pattern generator chroma signal cut 7 Confirm that there is no partial coloring for the entire screen If there is partial coloring remove the color unevenness by moving t...

Page 18: ...that the overall convergence becomes good Fig 8 9 10 When the convergence at the screen center is off repeat the adjustment from item 2 3 Gradually open the knobs of the 6 pole convergence magnets and match the red and blue vertical lines at the center of the screen At this time red and blue will move practically at the same time Next rotate the entire 6 pole magnets to match the red and blue hori...

Page 19: ...cushion 2 3 H BPN bottom pincushion 10 V EHT vertical amplitude compensation 11 H EHT horizontal amplitude compensation 12 V BKU top vertical blanking 13 V BKD bottom vertical blanking Screen mode 1 Set to the 4 3 adjustment value 2 Confirm and adjust if required Adjust with 16 9 Adjustment locations other than the remote control Rear terminal board Flyback transformer Focus 2 F2 Horizontal line a...

Page 20: ...creen Vertical amplitude adjustment 5 Set to the item V HET set to 3F and adjust by turning R464 so that the number of horizontal lines of the crosshatch pattern becomes 5 5 lines at the top and at the bottom Vertical linearity adjustment 6 Set to the item V LIN 7 Adjust with the remote control buttons VOL so that the interval between the lines of the upper half and the lower half of the crosshatc...

Page 21: ...zontal amplitude adjustment 4 Return to the item H WID 5 Adjust with the remote control buttons VOL so that the number of vertical lines of the crosshatch pattern on the left and on the right becomes 7 2 lines each Horizontal pincushion compensation adjustment 6 Set to the item H PIN 7 Adjust with the remote control buttons VOL so that the vertical lines on teh outside of the crossshatch pattern b...

Page 22: ...osshatch pattern become vertical H TPN top pincushion compensation adjustment H BPN bottom pincushion compensation adjustment A B Adjustment jig Color pattern generator Meassuring location TV screen visual observation Adjustment location Remote control buttons VOL Input signal Crosshatch pattern 1 H V adjustment procedure for 16 9 mode Purpose Adjustment for 16 9 mode 1 Receive a crosshatch patter...

Page 23: ...nter value 00 Min value Min left side 00 Min value 00 Make a note of the value before adjustment Image 4 dynamic Color temperature high Screen mode 4 3 NR OFF Power consumption Standard 0 2 45 0 05V Adjustment jig Color pattern generator Meassuring location TP47G board A Adjustment location Remote control buttons VOL Input signal Studio color bar Oscilloscope 2 Sub brightness adjustment 1 Receive ...

Page 24: ...8 Adjust with the remote control buttons VOL so that blue becomes as bright as green and white is obtained 9 Turn the screen volume gradually to the left to where the three color horizontal line disappears Press the remote control button to cancel the horizontal line 11 Receive a studio color bar and either shift the fine adjustment of the TV or use the chroma cut of the color pattern generator to...

Page 25: ... of bad balance repeat the adjustments 2 and 3 Adjustment conditions Set GR to ON Refer to page 10 in the Service Manual Black level 0 Center Picture 30 Maximum 1 1 2 3 4 5 6 7 8 7 6 5 4 3 2 1 2 3 4 5 6 5 4 3 2 1 Adjust with Focus 2 to a minimum Adjust with Focus 1 to a minimum Image adjustment 1 1 2 3 4 5 6 7 8 7 6 5 4 3 2 1 2 3 4 5 6 5 4 3 2 1 Adjustment jig Color pattern generator Measuring loc...

Page 26: ...tted in the following 6 Adjust with the remote control buttons VOL so that the signal at TP47G of board A becomes 3 0 0 05V Next set the value to 35 steps hexadecimal below this adjustment value Press the remote control button VOL 335 times 7 Confirm that there is no shrinkage of the waveform If there is select the item Black level of Sub adjustment and correct with the remote control buttons VOL ...

Page 27: ...item Hue of Sub adjustment and set to a value 20 steps hexadesimal below the recorded value Press the remote control button VOL 20times 7 Disconnect TPD2 of board D and TP02 of board A from earth Performed after 1 Contrast Adjustment Adjustment conditions Color darkness Center 0 Hue Center 0 Picture Maximum 30 Black level Center 0 Image menu Dynamic Image adjustment A B 1 2 3 4 5 6 7 8 9 10 A B 1 ...

Page 28: ... 28 Memo ...

Page 29: ... s controls Maximum positions 7 Number in red circle indicates waveform nember See waveform pattern table 8 When arrow mark is found connection is easily found from the direction of arrow 9 Indicates the major signal flow Video Audio 10 This schematic diagram is the latest at the time of printing and subject to change without notice Remarks 1 The Power Circuit contains a circuit area which uses a ...

Page 30: ...5 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 Key No INDEX HOLD STEREO D PNR CHANGE STROBE PIP ACTION TIME TEXT REVEAL F T B E P P AI GREEN YELLOW BLUE RED POWER OFF Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 5 24 POE1 POC1 4 25 POE0 POC2...

Page 31: ... 31 A 1 3 5 2 4 6 C E G B D F H I ...

Page 32: ... 32 A 1 3 5 2 4 6 C E G B D F H I P BOARD A BOARD ...

Page 33: ... 33 A 1 3 5 2 4 6 C E G B D F H I ...

Page 34: ... 34 A 1 3 5 2 4 6 C E G B D F H I A BOARD D BOARD ...

Page 35: ... 35 A 1 3 5 2 4 6 C E G B D F H I ...

Page 36: ... 36 A 1 3 5 2 4 6 C E G B D F H I N BOARD L BOARD ...

Page 37: ... 37 A 1 3 5 2 4 6 C E G B D F H I ...

Page 38: ... 38 A 1 3 5 2 4 6 C E G B D F H I DG BOARD AG BOARD ...

Page 39: ... 39 A 1 3 5 2 4 6 C E G B D F H I ...

Page 40: ... 40 A 1 3 5 2 4 6 C E G B D F H I H BOARD DF BOARD ...

Page 41: ... 41 A 1 3 5 2 4 6 C E G B D F H I ...

Page 42: ... 42 A 1 3 5 2 4 6 C E G B D F H I G BOARD G BOARD ...

Page 43: ... 43 A 1 3 5 2 4 6 C B D ...

Page 44: ... 44 A 1 3 5 2 4 6 C B D ...

Page 45: ...IC BADGE 5 POWER BUTTON 6 TERMINAL DOOR 7 CABINET 13 HANDLE 10 CONTROL DOOR 8 PICTURE TUBE 3 DEFLECTION YOKE 2 REAR TERMIAL FRAME 9 DEGAUSSING COIL 11 AC POWER CORD 3 PARTS LOCATION MECHANICAL REPLACEMENT PARTS LIST Note The number on mechanical parts indicates Ref No Mechanical Replacement Parts List Front View Rear View Chassis Board Layout View 45 ...

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