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Panasonic CT27D10B - 27" COLOR TV, Руководство по обслуживанию

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Panasonic CT27D10B - 27

- 7 -

Location of Controls (Receiver)

Quick Reference Control Operation

Quick Reference

Control Operation

Power Button -

 Press to turn ON or OFF.

Volume Buttons -

 Press to adjust Sound Level, or to adjust Audio Menus, Video

Menus, and select operating features when menus are displayed

Channel Buttons -

 Press to select programmed channels. Press to highlight desired

features when menus are displayed. Also use to select Cable Converter box channels
after programming Remote Control Infra-red codes (the TV/AUX/CABLE switch must
be set in CABLE position).

Action Button -

 Press to display Main Menu and access On Screen feature and

Adjustment Menus.

TV/Video Button -

 Press to select TV or Video Input.

Figure 2. 

Location of Controls (Receiver).

4

5

3

2

Remote Control

Sensor

1

Front A/V Input

1

2

3

4

5

Содержание CT27D10B - 27" COLOR TV

Страница 1: ... advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death CT 27D10B AP338 CT 27D10UB AP338 CT 27D10DB AP338 ORDER ...

Страница 2: ...ic shield limits the X ray radiation around the bell of the picture tube in addition to the restricting magnetic effects When using a picture tube test jig for service ensure that the jig is capable of handling 40kV 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 n...

Страница 3: ...justment S 18 Comb Filter Adjustment X 19 To Check Purity 20 Helpful Hints 20 Instructional Flow Chart for Serviceman Mode 21 Service Adjustments Electronic Control 24 Sub Brightness 24 Sub Contrast 24 Tint Color Adjustment 24 Color Temperature Adjustment 25 Complete Adjustment 25 Horizontal Centering 26 MTS Circuit Adjustment 26 Input Level Adjustment 26 Stereo Separation Adjustment 26 Clock Adju...

Страница 4: ...ing pads with tweezers or with a miniature alligator clip and apply heat to the pad area with a 30 watt iron until solder flows Do not apply heat for more than 3 seconds How to Replace Flat IC Required Tools 1 Remove the solder from all of the pins of a Flat IC by using a de solder braid 2 Put the iron wire under the pins of the Flat IC and pull it in the direction indicated while heating the pins...

Страница 5: ... for any reason the high voltage and beam current exceed a predetermined level this protective circuit activates and detunes the horizontal oscillator that limits the high voltage The over voltage protection circuit is not adjustable However if components indicated by the symbol on the schematic in either the horizontal sweep system or the over voltage protection circuit itself are changed the ope...

Страница 6: ...o power 5Wx2 10 5Wx2 10 of speakers 2 2 A V in rear front 3 2 1 3 2 1 S VHS Input rear front 1 0 1 0 Component Input Y Pb Pr 1 1 Audio Out FAO F VAO V F V F V Headphone Jack Mini plug Mini plug Dimensions mm WxDxH in 665 2x544 5x594 8 26 2x21 5x23 5 665 2x544 5x594 8 26 2x21 5x23 5 Weight kg lbs 35 77 2 35 77 2 Power source V Hz 120 60 120 60 Anode voltage 28 30kV 1 25kV 28 30kV 1 25kV Video input...

Страница 7: ...ns Press to select programmed channels Press to highlight desired features when menus are displayed Also use to select Cable Converter box channels after programming Remote Control Infra red codes the TV AUX CABLE switch must be set in CABLE position Action Button Press to display Main Menu and access On Screen feature and Adjustment Menus TV Video Button Press to select TV or Video Input Figure 2...

Страница 8: ... numérico para seleccionar cualquier canal Appuyer sur une touche numérique du clavier pour sélectionner un canal R TUNE Press to switch to previously viewed channel or video mode Presione para regresar al canal previamente visto Appuyer pour revenir au canal précédemment capté CH Press to select next channel and navigate in menus Presione para seleccionar el siguiente canal u opción en el menú Ap...

Страница 9: ...round C10 4 Disconnect the A11 A12 and Speakers plugs from the A Board 5 Lift the Main Chassis A Board and all mounted boards completely out with the CRT Board attached CRT Replacement 1 Perform Disassembly for CRT Replacement procedure 2 Insure that the CRT H V Anode button is discharged before handling the CRT Read the Safety Precautions see page 2 on handling the picture tube 3 Remove the compo...

Страница 10: ... Output Flyback circuits Source Voltage Chart 120V AC line input Set the Bright and the Picture to Minimum by using the Picture Menu Use cold ground for the lead of the DVM Adjust Picture Menu for normalized video adjustments High Voltage Check 1 Select an active TV channel and confirm that horizontal is in sync 2 Adjust Brightness and Picture using Picture Icon menu so video just disappears 3 Con...

Страница 11: ...lection yoke back and forth on the neck of the CRT until it produces a near white uniform raster Vertical Raster Shift Adjustment Only for Models with Purity Convergence Assembly with 4 Pairs of Rings Apply a green pattern with a horizontal line adjust the Deflection Yoke so that has no tilt then secure it Adjust center line of the pattern with the mechanical center of the CRT this center is deter...

Страница 12: ...again until Purity check white screen appears Observe the screen for uniform white If purity has not been achieved repeat the above procedure Final Convergence Procedure see Fig 11 through Fig 13 Note Vertical size and focus adjustments must be completed prior to performing the convergence adjustment Connect a dot pattern generator to the Receiver The Brightness level should not be higher than nec...

Страница 13: ...s the yoke is tilted horizontally one raster gets larger while the other gets smaller Figure 12 Horizontal Yoke Movement 11 o clock Position Double sided adhesive tape 3 o clock Position 7 o clock Position Converges R B with G Converges R with B Purity Convergence Assembly Clamp Purity Rings Adj on Green Raster Static Convergence Magnets Yoke Positioning Wedges for Dynamic Convergence Figure 13 Co...

Страница 14: ...ars in upper corner 7 Press the Power Button on the Remote Control to select one of seven Serviceman Adjustment Modes 1 B Serviceman VCJ SUB DATA ADJUSTEMENT 2 C Serviceman VCJ CUT OFF ADJUSTMENT 3 D Serviceman PIN CUSHION ADJUSTMENT 4 M Serviceman MTS ADJUSTMENTS 5 P Serviceman PIP ADJUSTMENT Models with PIP only 6 S Serviceman OPTIONS ADJUSTMENTS 7 X Serviceman COMB FILTER ADJUSTMENT 8 CHK Norma...

Страница 15: ... C0 CUT OFF R 128 C1 CUT OFF G 128 C2 CUT OFF B 128 C3 USER BRIGHTNESS 31 C4 G DRIVE 64 C5 B DRIVE 64 C6 DRIVE C TEMP 8 C7 CONTRAST C TEMP 5 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 14 Note Write Down the original value set b in Fig 14 for each address before modifying anything It is easy to erroneously adjust the wrong item 2 Press ...

Страница 16: ...LEVEL SEPARATION 6 M2 HIGH LEVEL SEPARATION 25 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 14 Note Write Down the original value set b in Fig 14 for each address before modifying anything It is easy to erroneously adjust the wrong item 2 Press Volume Up Down on the Remote Control to adjust the level of the selected Service Adjustment b ...

Страница 17: ...YDL 4 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 14 Note Write Down the original value set b in Fig 14 for each address before modifying anything It is easy to erroneously adjust the wrong item 2 Press Volume Up Down on the Remote Control to adjust the level of the selected Service Adjustment b in Fig 14 CH CH CH Note Some adjustments ...

Страница 18: ...Press Volume Up Down on the Remote Control to adjust the level of the selected Service Adjustment b in Fig 14 OPTIONS Adjustment Default Level S0 ABL GAIN 3 S1 ABL POINT 3 S2 RGB BRIGHTNESS 8 S3 RGB GAMMA 1 S4 COLOR GAMMA 1 S5 VSM G 0 S6 BS POINT 7 S7 CLOCK ADJUST 128 S8 LOUD COMP 31 S9 CAPTION DIG FILTER SW 0 SA CAPTION SCROLL 1 SB RGB MATRIX 6 SC RGB MATRIX COMP 5 IMPORTANT NOTE Always Exit the ...

Страница 19: ...E 0 X10 SUB H LOCK 70 X11 SUB H SEP1 313 X12 SUB H SEP2 266 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 14 Note Write Down the original value set b in Fig 14 for each address before modifying anything It is easy to erroneously adjust the wrong item 2 Press Volume Up Down on the Remote Control to adjust the level of the selected Service ...

Страница 20: ...ceiver is ON and operating in Normal Mode momentarily short test point FA1 TP8 to Cold Ground FA2 TP3 A Board The Receiver enters the Aging Mode Yellow letters CHK appear in the upper left corner of the CRT The Volume Up Down will adjust rapidly 2 Simultaneously press the Action and the Volume Up buttons on the Receiver Control Panel The Receiver enters the Serviceman Mode The letter in CHK turn r...

Страница 21: ...CEMAN MODE CHK turns red Volume Up Down operate normally Costumer Controls are set to nominal level SUB DATA ADJUSTMENTS B ITEMS QUICK ENTRY TO SERVICEMAN MODE Select CABLE Mode Set SLEEP time for 30 Min Tune to Channel 124 Adjust Volume to minimum Press VOL DOWN On Receiver EXIT EXIT Figure 16 Flow Chart for Serviceman Mode N Y N Y C ON REMOTE RECALL Press Action and Power on the Receiver simulta...

Страница 22: ...N REMOTE POWER ON REMOTE POWER ON REMOTE ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL B IMPORTANT NOTE Always Exit the Serviceman Mode Following Adjustments Figure 17 Flow Chart for Serviceman Mode cont ...

Страница 23: ...USTMENTS P ITEMS Adj needed Y N POWER ON REMOTE Note Some adjustments modes may not be available in some models depending on available options ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL ON REMOTE CONTROL TO SELECT ADJUSTMENT ON REMOTE TO ADJUST THE LEVEL CH VOL VOL OPTIONS ADJUSTMENTS S ITEMS Adj needed Y N POWER ON REMOTE ON REMOTE CONTROL TO SELECT ADJUSTMENT...

Страница 24: ...s used 2 Preset the following controls Brightness Center Color Min Picture Max Sharpness Center 3 Connect the oscilloscope to TP47R Set the scope time base to 20µs horizontal 4 Connect a jumper from TPD2 to ground Procedure 1 In the Serviceman Mode select DAC Sub Brightness Adjustment B2 and adjust for 1 5 1 9Vp p between blanking and 7 5 IRE level See video waveforms detail Fig 19 2 In the Servic...

Страница 25: ...viceman Mode DAC C0 level until a scanning period of 195V above DC ground is measured as indicated in Fig 23 9 Connect the scope to the GRN Cathode KG 10 In Serviceman Mode for making electronic adjustments select the GRN CUTOFF DAC C1 11 Press the R Tune key on the Remote 12 View the scope trace and adjust the Serviceman Mode DAC C1 for the scanning period to be 195V above DC ground See Fig 23 13...

Страница 26: ...modulation monaural 70 5dB 75Ω OPEN P S 10dB 2 Adjust the MTS Input Level Adjustment M0 until the voltage measured is 106 6 0mV rms Stereo Separation Adjustment M1 M2 Preparation 1 Connect an RF signal generator to the RF antenna input 2 Connect a scope to TPE10 Procedure 1 Select Stereo Mode in Audio menu 2 Apply the following signal from the RF signal generator Video 100 IRE flat field 30 modula...

Страница 27: ...following formula Note Pin 13 measurement will not change regardless of the value stored in Sb Vertical Size D1 1 Adjust the VERTICAL SIZE DAC control D1 until the top and the bottom edges of the raster are visible 2 Adjust the VERTICAL SIZE control D1 until the top and the bottom of the raster touch the bezel edge The advance SIZE control to obtain an approximately 10 overscan Linearity adjustmen...

Страница 28: ...AN5849S E1V 14 MPX In 21 22 L Out R Out IC2351 Bass Tre Bal Surr CXA2021S 1 R In 22 L In 9 14 R Out L Out IC2302 Audio Out AN5272 2 R In 5 L In 7 12 R Out L Out L OUT R OUT Headphone Jack 1 4 VAO L VAO R IC001 MPU MN101C46FTA 17 S Defeat D2343 Q2409 V CC Variable Audio Out JK3004 L R LRF1 L AV3 R AV3 L AV1 R AV1 R AV2 L AV2 A V Input 1 A V Input 2 JK3001 L R L2 R2 2 3 SCL1 SDA1 10 3 11 8 VOL 3 14 ...

Страница 29: ...506 Q6502 Chroma Out Filter Q6514 Q6505 Q6519 Q6501 JK3003 S Video Y C IC101 VCJ TA1310BN 45 Chroma In 38 Sync In Q201 5V Q303 5V IC001 MPU MN101C46FTA 25 CVBS0 53 R Y In 52 33 29 6 3 4 5 YM YS G R B R In YM YS In G In B In 13 14 15 R Out G Out B Out C Q351 Q352 Q353 A11 1 C1 1 A11 2 C1 2 A11 3 C1 3 B Y In C6529 C3019 C315 D014 D015 C225 C226 CRT Luma In Filter Q6504 Q6509 Q6516 JK3001 Video Input...

Страница 30: ... RGB Drive Clamp RGB Out BLK ACC TOF BPF 3 4 OSD B 33 17 18 19 6 Clamp RGB Brightness RGB Contrast 49 APC Tint Base Band Tint INT EXT SW Color Uni Color G Y Matrix Phase Gain Select G Y Clamp 55 56 51 R Y B Y Clamp 54 Y Clamp PED Smoothing Delay Line Sharpness Sub Contrast Uni Color Brightnes s WPS DC Restoration Ratio Correction 5V VSM On Off SW VSM Half Tone 53 52 Clamp 5 Video Input JK3001 V2 P...

Страница 31: ...Input Hold Down V Reg SCL 29 I2C SCL Input SDA 30 GND 31 Ground HD Out 32 NC VD Out 33 RGB Mute R Out FBP In 34 Flyback Pulse H Out 35 Sync Out 36 NC DEF VCC 37 9V Y Sync In 38 Video Sync V Sep 39 Vertical Separation AFC1 40 AFC1 detection 32 fh VCO 41 Horizontal Oscillation Bend Correction 42 Horizontal Correction 43 DL Out Delayed Y Signal Ground 44 GND Chroma Input Chroma In 45 APC Filter APC 4...

Страница 32: ...wer Speaker On Off Sound Defeat N C VCJ 9V SW Volume 3 3V YUV SW FA1 Version S VHS Action Key Scan 1 AFC2 Remote signal in SDA1 AFC1 SCL1 Closed Caption System Clock Out CLH 22 VREF1 23 CVBS1 24 CVBS0 25 VREFH0 26 HSYNC 27 FLASH 28 YS 29 BOUT 30 GOUT 31 ROUT 32 YM 33 NRST 34 VSYNC 35 36 P40 37 P41 P42 38 VDD VPP 39 OSC2 40 OSC1 41 VSS 42 Closed Caption Closed Caption 1 Closed Caption 1 Closed Capt...

Страница 33: ... 33 Component Identification Figure 30 Cabinet Back 1 Screw 1 Screw 1 Screw 1 Screw 1 Screw 1 Screw 1 Screw 1 Screw ...

Страница 34: ... Rear View Speaker Speaker Tuner S VHS Input A V Jacks T551 Flyback Anode High Voltage CRT Secured by 4 screws Deflection yoke Yoke wedge VAO out Degaussing Coil Note After servicing the receiver remember to dress the cables as shown above ...

Страница 35: ...ion Figure 32 A Board Figure 33 C Board A V front inputs IC001 MPU IC002 IC6501 Tuner Audio out IC101 VCJ S VHS Input A V Jacks IC2351 T551 Flyback Fuse Front keypad Q501 H Drive IC803 IC 451 Q551 IC3001 IC2302 RL801 CRT Socket ...

Страница 36: ...B1H103K CAP C 01UF K 50V C323 ECJ2VB1H103K CAP C 01UF K 50V C324 ECJ2VF1H104Z CAP C 1UF Z 50V C330 ECA1AM101 CAP E 100UF 10V C331 ECJ2VF1H103Z CAP C 01UF Z 50V C337 ECA1HM2R2 CAP E 2 2UF 50V C342 ECA1HM010 CAP E 1 0UF 50V C351 TACCW331T50V CAP C 330PF 50V C352 TACCW331T50V CAP C 330PF 50V C353 TACCW331T50V CAP C 330PF 50V C354 ECKD3D102KB CAP C 001UF K 2KV C357 EEANA1E1R0B CAP E 1 0UF 25V C401 ECJ...

Страница 37: ...P E 10UF 16V C2212 ECQB1H473JM CAP P 047UF J 50V C2215 ECA0JM101 CAP E 100UF 6 3V C2218 ECA1HMR47 CAP E 47UF 50V C2301 ECA1VM102 CAP E 1000UF 35V C2302 ECA1HM010 CAP E 1 0UF 50V C2305 ECA1HM010 CAP E 1 0UF 50V C2306 ECJ2VF1H103Z CAP C 01UF Z 50V REF NO PART NO DESCRIPTION C2307 ECA1CM102 CAP E 1000UF 16V C2309 ECQB1H473JM CAP P 047UF J 50V C2311 ECA1HM3R3 CAP E 3 3UF 50V C2313 ECA1EM101 CAP E 100U...

Страница 38: ...006 MA4330H DIODE D007 ERA15 01 DIODE D008 ERA15 01 DIODE D009 ERA15 01 DIODE D011 MA165 DIODE D014 MA165 DIODE D015 MA165 DIODE D018 MA165 DIODE D451 ERA15 01 DIODE D502 MA4062L DIODE D530 MA4082L DIODE D531 AS01 DIODE D532 MA4091M DIODE ZENER D551 TVSRU2N DIODE D554 BYD33G 163 DIODE D555 MA165 DIODE D556 MA4360H DIODE ZENER REF NO PART NO DESCRIPTION D557 TVSRU2N DIODE D558 RS3FS DIODE D559 BYD3...

Страница 39: ...NG 2 2UH L6502 ELESN330JA COIL PEAKING 33UH L6505 ELESN330JA COIL PEAKING 33UH L6507 ELESN150KA COIL PEAKING 15UH L6508 EXCELSA35T FERRITE BEAD TRANSISTORS Q001 2SD601ARTX TRANSISTOR Q002 2SC1685QRS TRANSISTOR REF NO PART NO DESCRIPTION Q003 2SD601ARTX TRANSISTOR Q004 2SC1685QRS TRANSISTOR Q005 2SD601ARTX TRANSISTOR Q201 2SD601ARTX TRANSISTOR Q302 2SD601ARTX TRANSISTOR Q303 2SD601ARTX TRANSISTOR Q...

Страница 40: ...ERJ6GEYJ224 RES M 220K J 1 10 R301 ERJ6GEYJ331 RES M 330 J 1 10 R302 ERJ6GEYJ331 RES M 330 J 1 10 R303 ERJ6GEYJ331 RES M 330 J 1 10 R305 ERJ6GEYJ682 RES M 6 8K J 1 10 R306 ERJ6GEYJ682 RES M 6 8K J 1 10 R309 ERJ6GEYJ332 RES M 3 3K J 1 10 REF NO PART NO DESCRIPTION R310 ERJ6GEYJ332 RES M 3 3K J 1 10 R312 ERJ6GEYJ393 RES M 39K J 1 10 R328 ERJ6GEYJ334 RES M 330K J 1 10 R341 ERJ6GEYJ474 RES M 470K J 1 ...

Страница 41: ...J 1 4 R824 ERG3FJ390H RES M 39 J 3W R825 ERDS2TJ102 RES C 1K J 1 4 R826 ERF2AKR22 RES W 22 K 2W R827 ERDS1FJ561 RES C 560 J 1 2 R828 ERG3FJ470 RES M 47 J 3W REF NO PART NO DESCRIPTION R829 ERQ14AJ6R8 RES F 6 8 J 1 4 R2203 ERJ6GEYJ751 RES M 750 J 1 10 R2206 ERJ6GEYJ102 RES M 1K J 1 10 R2207 ERJ6GEYJ102 RES M 1K J 1 10 R2221 ERJ6GEYJ101 RES M 100 J 1 10 R2301 ERQ2CJP1R0 RES F 1 0 J 2W R2305 ERD25FJ1...

Страница 42: ... 10 R6554 ERJ6GEYJ473 RES M 47K J 1 10 R6555 ERJ6GEYJ153 RES M 15K J 1 10 R6556 ERJ6GEYJ333 RES M 33K J 1 10 R6557 ERJ6GEYJ123 RES M 12K J 1 10 R6558 ERJ6GEYJ331 RES M 330 J 1 10 R6559 ERJ6GEYJ272 RES M 2 7K J 1 10 R6560 ERJ6GEYJ124 RES M 120K J 1 10 R6565 ERJ6GEYJ102 RES M 1K J 1 10 R6566 ERJ6GEYJ681 RES M 680 J 1 10 R6567 ERJ6GEYJ471 RES M 470 J 1 10 REF NO PART NO DESCRIPTION R6568 ERJ6GEYJ471 ...

Страница 43: ...4 CAP P 068UF K 50V RESISTOR TYPE TOLERANCE C Carbon F 1 F Fuse J 5 M Metal Oxide K 10 S Solid M 20 W Wire Wound G 2 CAPACITOR TYPE TOLERANCE C Ceramic C 0 25pF E Electrolytic D 0 5pF P Polyester F 1pF S Styrol J 5 T Tantalum K 10 L 15 M 20 P 10 0 Z 80 20 ...

Страница 44: ... 44 NOTES ...

Страница 45: ... 45 NOTES ...

Страница 46: ... 46 NOTES ...

Страница 47: ...OFF B 128 C3 USER BRIGHTNESS 31 C4 G DRIVE 64 C5 B DRIVE 64 C6 DRIVE C TEMP 8 C7 CONTRAST C TEMP 5 Mode Service Adjustment Def Val Original Value New Value Pin Cushion Adjustments D0 H POSITION 16 D1 V SIZE 31 D2 V S CORRECTION 4 D3 V LIN CORRECTION 14 D4 E W TRAPEZIUM 8 D5 V AGC 1 D6 V POSITION 1 D7 V CENTERING 63 D8 V CENTERING DAC SW 0 D9 V BLK START PHASE 12 DA V BLK STOP PHASE 14 MTS Adjustme...

Страница 48: ... ABL GAIN 3 S1 ABL POINT 3 S2 RGB BRIGHTNESS 8 S3 RGB GAMMA 1 S4 COLOR GAMMA 1 S5 VSM G 0 S6 BS POINT 7 S7 CLOCK ADJUST 128 S8 LOUD COMP 31 S9 CAPTION DIG FILTER SW 0 SA CAPTION SCROLL 1 SB RGB MATRIX 6 SC RGB MATRIX COMP 5 Mode Service Adjustment Def Val Original Value New Value Comb Filter Adjustments X0 CLIP LEVEL 152 X1 CSOK 12 X2 COMB LIMIT 24 X3 COMB CORE 41 X4 COMB RF DELAY 20 X5 COMB VIDEO...

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