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SERVICE MANUAL

COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.

No.52102

2003/03

AV-27D104 AV-27D304

AV-27430 AV-27432

COLOR TELEVISION

52102

2003

03

AV-27D104

/RA

, AV-27D104

/SA

,

AV-27D304

/RA

, AV-27D304

/SA

,

AV-27430

/RA

, AV-27430

/SA

,

AV-27432

/RA

, AV-27432

/SA

TABLE OF CONTENTS

1

PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2

SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

3

ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

AV-27D104
AV-27D304

AV-27430
AV-27432

BASIC CHASSIS

FE2

1
2
3
...
»

Содержание AV 27430

Страница 1: ... AV 27430 AV 27432 COLOR TELEVISION 52102 2003 03 AV 27D104 RA AV 27D104 SA AV 27D304 RA AV 27D304 SA AV 27430 RA AV 27430 SA AV 27432 RA AV 27432 SA TABLE OF CONTENTS 1 PRECAUTIONS 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 ADJUSTMENT 1 12 AV 27D104 AV 27D304 AV 27430 AV 27432 BASIC CHASSIS FE2 ...

Страница 2: ...diate Frequency Video IF Carrier Sound IF Carrier 45 75MHz 41 25MHz 4 5MHz Color Sub Carrier 3 58MHz Power Input 120V AC 60Hz Power Consumption 105W Picture Tube 27 68cm Measured diagonally H 55 4cm x V 41 8cm High Voltage 28kV 1 3kV at zero beam current Speaker 5 x 9cm 2 x 3 1 2 Oval type x 2 Audio Power Output 1 2W 1 2W Video Audio Input 1 2 3 Video 1 3 Audio 1 2 3 S Video Input 1 Component Inpu...

Страница 3: ...ould be checked or adjusted See ADJUSTMENT OF B1 POWER SUPPLY 8 Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 9 When service is required observe ...

Страница 4: ...the front input Component input used used used used Since the component signal input terminal is equipped it reappears direct without deteriorating the signal from DVD BBE used BBE high definition audio adds natural clear and extraordinary sound quality to any program V CHIP used used used used Since the V chip is built in it can choose view and listen to a healthy program Hyper Surround used used...

Страница 5: ... 2 4 FUNCTIONS REAR PANEL REMOTE CONTROL UNIT FRONT PANEL MENU POWER POWER CHANNEL VOLUME MENU CHANNEL VOLUME AV 27D104 RM C1255G AV 27D304 RM C1253G AV 27430 AV 27432 RM C203 AV 27D104 AV 27D304 AV 27D104 AV 27D304 AV 27430 AV 27432 AV 27430 AV 27432 ...

Страница 6: ...hand speaker 2 5 5 REMOVING THE SPEAKER AV 27430 AV 27432 Remove the REAR COVER 1 Remove the 2 screws D then remove the speaker Fig 2 2 Follow the same steps when remove the other hand speaker NOTE When removing the 2 screws D of the speaker remove the lower side screw first and then remove the upper one 2 5 6 CHECKING THE PW BOARD 1 Pull out the MAIN PWB refer to REMOVING THE MAIN PWB 2 Erect the...

Страница 7: ...V 27D104 AV 27D304 AV 27430 AV 27432 No 52102 1 7 Fig 1 AV 27D104 AV 27D304 A B D C D FRONT CABINET CRT SPEAKER CRT SOCKET PWB Within MAIN PWB MAIN PWB PWB STOPPER SPEAKER REAR COVER POWER CORD TUNER HVT ...

Страница 8: ...AV 27D104 AV 27D304 AV 27430 AV 27432 1 8 No 52102 Fig 2 FRONT CABINET CRT SOCKET PWB Within MAIN PWB TUNER HVT B A D D MAIN PWB SPEAKER PWB STOPPER REAR COVER C CRT POWER CORD AV 27430 AV 27432 ...

Страница 9: ...nd switch the power on 4 Setting of receive channels Set the receive channels For setting refer to the OPERATING INSTRUCTIONS 5 User settings Check the user setting items according to USER SETTING VALUES and if these are different set the correct value 6 SERVICE MENU setting Verify what to set in the SERVICE MENU and set whatever is necessary Refer to the SERVICE ADJUSTMENT for setting 1 V C S 3 S...

Страница 10: ...Y OFF SETTING OF MENU PICTURE MODE INITIAL SETUP MODE TINT Center LANGUAGE ENG COLOR Center FRONT PANELLOCK OFF PICTURE 8 V2 COMPONENT IN NO BRIGHT Center AUTO SHUT OFF OFF DETAIL 10 CLOSED CAPTION OFF NOISE MUTING ON AUTO TUNER SET UP AIR SOUND MODE CHANNEL SUMMARY Unnecessary to set BASS Center V CHIP OFF TREBLE Center SET LOCK CODE 0000 Unnecessary to set BALANCE Center XDS ID ON MTS STEREO HYP...

Страница 11: ... end 2 Shift with the tweezers and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part Note After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder t...

Страница 12: ...nstruments for warning up for at least 30 minutes before starting adjustments 5 If the receive or input signal is not specified use the most appropriate signal for adjustment 6 Never touch the parts such as variable resistors transformers and condensers not shown in the adjustment items of this service adjustment 7 Preparation for adjustment Unless otherwise specified in the adjustment items prese...

Страница 13: ...TMENT LOCATIONS CRT SOCKET PWB Within MAIN PWB ASS Y T TP E SOLDER SIDE TOP CRT EARTH BRAIDED ASS Y E1 TP B MAIN PWB POWER FRONT HV UPPER FOCUS LOWER SCREEN X TUNER MEMORY IC201 IC702 IC421 HVT S AV IN OUT VOL VOL CH CH MENU POWER B1 IC901 F901 U IC101 T111 S401 ...

Страница 14: ...played in yellow 1 V C S This mode adjusts the VIDEO and CHROMA control circuit 2 DEF D This mode adjusts the DEFLECTION control circuit 3 SOUND A This mode adjusts the SOUND control circuit 4 OTHERS F This mode adjusts the display setting and the other settings Do not change the values 7 LOW LIGHT This mode adjusts the WHITE BALANCE LOW LIGHT control circuit 8 HIGH LIGHT This mode adjusts the WHI...

Страница 15: ...in this mode is peculiar please refer to the clause of the ADJUSTMENT PROCEDURE 4 OTHERS AND 11 I2C BUS ADJUSTMENT MODE These are no requirement for adjustment Don t change these values 3 4 3 4 Release of SERVICE MENU When adjustment is completed press the EXIT key twice Then return to the normal screen 3 4 4 SERVICE MENU FLOW CHART 1 V C S RF 4 3 STD LOW S01 BRIGHT RF 4 3 STD LOW D01 V FREQ BRIGH...

Страница 16: ...1 1 S07 PICT 128 127 15 0 0 S08 COLOR 128 127 3 1 S09 TINT 128 127 6 3 S10 DETAIL 128 127 3 No Setting item Variable range Initial setting value RF EXT SV CV COMPONENT STANDARD THEATER STANDARD THEATER LOW HIGH LOW HIGH LOW HIGH LOW HIGH S11 R CUT OFF 0 255 30 S12 G CUT OFF 0 255 30 S13 B CUT OFF 0 255 30 S14 R DRIVE 0 127 64 S15 B DRIVE 0 127 64 S16 R CUT 128 127 0 0 0 10 S17 G CUT 128 127 0 0 0 ...

Страница 17: ... 26 26 D12 BLANK SW 0 1 0 0 No Setting item Variable range Initial setting value A01 IN LEVEL 0 63 36 A02 FH MON 0 1 0 A03 ST VCO 0 63 43 A04 PIL CAN 0 1 0 A05 FILTER 0 63 35 A06 LOW SEP 0 63 8 A07 HI SEP 0 63 26 A08 5FH MON 0 1 0 A09 SAP VCO 0 63 44 No Setting item Variable range Initial setting value F01 OSD POSI 0 255 22 F02 OSD PREQ 0 255 83 F03 CCD POSI 0 63 42 F04 CCD FREQ 0 255 93 F05 CCD C...

Страница 18: ...tment can be done in this statement 6 It return the AFC to ON 7 Push the EXIT key to exit the 9 VCO mode TOO HIGH GOOD TOO LOW SYNC YES AFC ON FINE 0 Item Measuring instrument Test point Adjustment part Description RF AGC Signal generator Remote control unit 1 V C S S21 AGC ADJ 1 Receive a black and white signal colour off 2 Select S21 AGC ADJ of the 1 V C S 3 Press the MUTING key and turn the pic...

Страница 19: ...n below 4 Adjust the V CENTER SW to agree the vertical center with display center H CENTER Signal generator Remote control unit 2 DEF D D02 H POSI 1 Receive the crosshatch signal 2 Select D02 H POSI 3 Adjust the D02 so that left width and right width of the crosshatch screen becomes equal Picture size 100 Screen size No D03 Setting item V SIZE 0㨪125 Variable range Initial setting value 40 RA model...

Страница 20: ... until the single horizontal line that is displayed becomes white using the 4 to 9 keys 8 Turn the SCREEN VR until the single horizontal line is displayed faintly 9 Press the 2 key to cancel the single horizontal line mode 10 Adjust the S01 level to become the black component shines white slightly by VOLUME key 11 Confirm that whether the color ingredient of R G or B is visible to the black compon...

Страница 21: ... of the S01 with the VOLUME key 4 If the brightness is not the best with the initial setting value make fine adjustment of the S01 until you get the optimum brightness SUB CONTRAST Remote control unit 1 V C S S02 PICTURE 1 Receive the broadcast 2 Select S02 PICTURE of the 1 V C S 3 Set the initial setting value of the S02 with the VOLUME key 4 If the contrast is not the best with the initial setti...

Страница 22: ...stment of the S03 until you get the optimum color Method of adjustment using measuring instrument 1 Receive the full field color bar signal 75 white 2 Select S03 COLOR of the 1 V C S 3 Set the initial setting value of the S03 with the VOLUME key 4 Connect the oscilloscope between TP B and TP E 5 Adjust S03 and bring the value of A in the illustration to the voltage given in the below table Item Me...

Страница 23: ...tment of the S04 until you get the optimum tint Method of adjustment using measuring instrument 1 Receive the full field color bar signal 75 white 2 Select S04 TINT of the 1 V C 3 Set the initial setting value of the S04 with the VOLUME key 4 Connect the oscilloscope between TP B and TP E 5 Adjust S04 and bring the value of B in the illustration to the voltage given in the below table Item Measuri...

Страница 24: ... antenna terminal 2 Connect an oscilloscope to R OUT pin of the AUDIO OUT and display one cycle portion of the 300Hz signal 3 Select the A06 LOW SEP of the SOUND MODE 4 Set the initial setting value of the A06 with the VOLUME key 5 Adjust the A06 so that the stroke element of the 300Hz signal will become minimum 6 Change the connection of the oscilloscope to L OUT pin of the AUDIO OUT and enlarge ...

Страница 25: ...3 6 8 2 CHECKING OF THE HIGH VOLTAGE HOLD DOWN CIRCUIT 1 Turn the power switch to on 2 Refer to the following figure set the resistor between X connector 1 and 3 3 Make sure that the screen picture disappears 4 Temporarily unplug the power plug 5 Remove the resistor replaced X connector 1 and 3 6 Again plug the power plug make sure that the normal picture is displayed on the screen T521 CONNECTOR ...

Страница 26: ... Japan AV 27D104 AV 27D304 AV 27430 AV 27432 JVC SERVICE ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP www jvcservice com US Only JVC CANADA INC Head office 21 Finchdene Square Scarborough Ontario M1X 1A7 416 293 1311 ...

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