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JVC AV-27D203/R, Service Manual

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JVC AV-27D203/R Service Manual Download Page 2

No.51940

 Apr. 2002

AV-27D303

AV-27D203

1

COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.

May 2002

AV-27D303

/S

AV-27D303

/R

AV-27D203

/S

AV-27D203

/R

CONTENTS

!

 

SPECIFICATIONS

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

2

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SAFETY PRECAUTIONS

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

3

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FEATURES

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･

･･ ･

･･ ･

･･ ･

4

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MAIN DIFFERENCE LIST

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

5

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HOW TO IDENTIFY MODELS

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･

5

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FUNCTIONS

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･

･･

･･

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6

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SPECIFIC SERVICE INSTRUCTIONS

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･

8

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SERVICE ADJUSTMENTS

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･

12

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PARTS LIST

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･ ･

･･

･

31

★

 

OPERATING INSTRUCTIONS

★

 

STANDARD CIRCUIT DIAGRAM

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ･･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･･ ･ ････ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･

･･ ･ ･･ ･･ ･･ ･･ ･･ ･･ ･

2-1

SERVICE MANUAL

COLOR TELEVISION

BASIC CHASSIS

FE

Summary of Contents for AV-27D203/R

Page 1: ......

Page 2: ... R AV 27D203 S AV 27D203 R CONTENTS SPECIFICATIONS 2 SAFETY PRECAUTIONS 3 FEATURES 4 MAIN DIFFERENCE LIST 5 HOW TO IDENTIFY MODELS 5 FUNCTIONS 6 SPECIFIC SERVICE INSTRUCTIONS 8 SERVICE ADJUSTMENTS 12 PARTS LIST 31 OPERATING INSTRUCTIONS STANDARD CIRCUIT DIAGRAM 2 1 SERVICE MANUAL COLOR TELEVISION BASIC CHASSIS FE ...

Page 3: ...MHz 4 5MHz 3 58MHz Power Input Power Consumption 120V AC 60Hz 113W Picture Tube High Voltage 27 68cm Measured Diagonally 29kV 1kV at zero beam current Speaker Audio Power Output 2 3 1 2 5 9cm Oval type 2 1 2W 1 2W Input terminals Input 1 S Video Video V Audio L R Y 1Vp p Positive negative sync provided when terminated with 75Ω C 0 286Vp p burst signal when terminated with 75Ω 1Vp p 75Ω RCA pin jac...

Page 4: ... must be the exact replacements or alternatives approved by the manufacturer of the complete product 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 but...

Page 5: ...annels from being selected unless the ID number is key in I 2 C bus control utilizes single chip ICs Adoption of the VIDEO STATUS function Adoption of the ON OFF TIMER function Built in V CHIP system With 75ΩV U in common F Type ANT Terminal SLEEP TIMER for setting in real time Closed caption broadcasts can be viewed Built in MTS system Built in HYPER SURROUND system Because built in the BBE circu...

Page 6: ...W ER KNOB GQ30026 002A A GQ30026 001A A CONTROL KNOB GQ30025 002A A GQ30025 001A A HOW TO IDENTIFY MODELS The difference between AV 27D303S and AV 27D303 R is in the PICTURE TUBE As the result of the difference in picture tube the MAIN PW B also differs In the same way the difference between AV 27D203 S and AV 27D203 R is in the PICTURE TUBE too Model Parts name AV 27D303 S AV 27D303 R AV 27D203 S...

Page 7: ...erminal REMOCON LENS INPUT3 AUDIO R terminal ON TIMER LED MENU button POWER button CHANNEL buttons OPERATE buttons FRONT PANEL CONTROL REAR TERMINAL 7 8 6 1 2 3 4 1 2 3 6 5 AUDIO OUTPUT L R terminals INPUT1 S V L R terminals INPUT2 V Y PR PB L R terminals VHF UHF terminal 1 1 2 3 2 3 4 8 4 9 5 9 7 4 ...

Page 8: ... THEATER PRO key BBE key MUTING key VOL MENU keys MENU key CHANNEL keys LIGHT key V CHIP key CH MENU keys EXIT PIP OFF key VCR CONTROL key VCR DVD switch TV CATV switch The CH keys and VOL keys operate CHANNE and VOLUME normally These keys are also used to navigate MENU system REMOTE CONTROL UNIT RM C252 NOTE ...

Page 9: ...ps when removing the other hand speaker NOTE When removing the screws marked of the speaker remove the lower side screw first and then remove the upper one CHECKING THE PW BOARD To check the PW Board from back side 1 Pull out the chassis refer to REMOVING THE MAIN PWB 2 Erect the chassis vertically so that you can easily check the back side of the PW Board CAUTION When erecting the chassis be care...

Page 10: ...PEAKER SPEAKER MAIN PWB CRT SOCKET PWB PWB STOPPER This exploded view describes about the AV 27D303 R and S Although the AV 27D203 R S is slightly different from this figure you can use the exploded view for disassembling the AV 27D203 R S in the same step as for this one Fig 1 ...

Page 11: ... pressed the screen will be displayed as shown in Fig 2 5 Refer to the SYSTEM SYSTEM CONSTANT TABLE 1 and check the setting items If the value is different select the setting item with the MENU CH keys and adjust the setting with the MENU VOL keys The letters of the selected item are displayed in yellow 6 When adjustment has completed the values store into memory IC automatically 7 Press the EXIT ...

Page 12: ...R PRO 0 1 1 SYS23 CMP IN 0 1 1 SYS12 BBE 0 1 1 SYS24 CXA1875 0 1 0 TABLE 2 User setting Setting item Setting value Setting item Setting value Use remote controller keys POWER OFF DISPLAY OFF CHANNEL CH 02 VIDEO STATUS DYNAMIC VOLUME 10 HYPER SURROUND OFF TV VIDEO TV BBE ON Settings of MENU PICTURE MENU INITIAL SETUP MENU TINT CENTER LANGUAGE ENG COLOR CENTER FRONT PANELLOCK OFF PICTURE CENTER 8 V2...

Page 13: ... not specified in the list for this adjustment variable resistors transformers condensers etc 7 Presetting before adjustment Unless otherwise specified in the adjustment instructions preset the following functions with the remote control unit User menu preset value MENU ITEM PRESET VALUE PICTURE MODE VSM DYNAMIC 0 BASS TREBLE BALANCE CENTER HYPER SURROUND OFF TINT COLOR PICTURE BRIGHT DETAIL CENTE...

Page 14: ...ATIONS MAIN PWB CRT SOCKET PWB Within MAIN PWB ASS Y T TP E POWER SOLDER SIDE TOP FRONT HV UPPER F OCUS LOWER SCREEN X TUNER IC201 IC702 IC421 HVT CRTEART H BRAIDED ASS Y E1 TP B S AV IN OUT VOL VOL CH CH MENU POWER B1 IC901 F901 U IC101 T111 S401 ...

Page 15: ...the I 2 C BUS CTRL is set Fixed ON 12 SYSTEM SYS This is used when the SYSTEM is verified Do not adjust 3 Basic Operations of the SERVICE MENU 1 How to enter the SERVICE MENU Press the SLEEP TIMER key and set the SLEEP TIMER for 0 MIN Then press the DISPLAY key and VIDEO STATUS key of the remote control unit at the same time to enter the SERVICE MENU screen 2 SERVICE MENU screen selection In SERVI...

Page 16: ...YC 7 LO W LI GHT 8 HIG H LIGHT 9 RF AFC 10 VCO 11 12C BUS 12 SYSTEM SYS SELECT B Y OPERATE BY EX I T BY EXIT R F 4 3 STD LOW SE RV ICE ME NU D 01 V FR EQ R F 4 3 STD LOW S01 BR IGHT A 01 IN LE VEL F01 OS D P OSI PIP01 B RIGH T SY S01 VIDE O IN TUN ER M AIN HIGH LE VEL RE FERE NC E LEVE L LOW LEVE L SYN C NO 6 3L Y C LYC LYC 01 MODE 11 I2C BUS I2C B U S ON TOO H IGH GOOD TOO LOW TUN ER MA IN AFG O ...

Page 17: ...n 5 Releasing SERVICE MENU 1 After returning to the SERVICE MENU upon completion of the setting adjustment work press the EXIT key again The settings for LOW LIGHT and HIGH LIGHT are described in the WHITE BALANCE page of ADJUSTMENT The setting for MAIN VCO are described in the VCO page of ADJUSTMENT BRIGHT 7 LOW LIGHT RF 4 3 STD LOW S01 BRIGHT 1 V C S SETTING No SETTING ITEM SETTING VALUE 8 HIGH ...

Page 18: ...5 DETAIL 0 63 30 35 40 S06 BRIGHT 128 127 0 0 1 S07 PICT 128 127 15 0 0 S08 COLOR 128 127 3 2 S09 TINT 128 127 6 2 S10 DETAIL 128 127 3 Initial setting value RF EXT S CV COMPONENT STANDARD THEATER STANDARD THEATER No Setting item Variable range LOW HIGH LOW HIGH LOW HIGH LOW HIGH S11 R CUT OFF 0 255 50 S12 G CUT OFF 0 255 50 S13 B CUT OFF 0 255 50 S14 R DRIVE 0 127 64 S15 B DRIVE 0 127 64 0 S16 R ...

Page 19: ...0 3 0 D18 WVMT BTM 0 3 0 D02 AFC GAIN 0 3 0 D19 EWCR TOP 0 31 16 D03 H POSI 0 31 12 D20 EWCR T 128 127 D04 H POSI 128 127 D21 EWCR BTM 0 31 16 D05 V PHASE 0 7 0 D22 EWCR B 128 127 D06 V PH 128 127 D23 EW PARA 0 63 26 D07 V SIZE 0 127 55 D24 EW PRA 128 127 D08 V SIZE 128 127 D25 V EHT 0 7 0 D09 V CENTER 0 63 32 D26 V EHT 128 127 D10 V CENT 128 127 D27 H EHT 0 7 0 D11 V S CORR 0 15 4 D28 H EHT 128 1...

Page 20: ... FM TRAP 0 1 1 3L Y C MODE Do not adjust No Setting item Variable range Initial setting value LYC01 MODE 0 7 4 LYC02 VENH 0 7 1 LYC03 PDSOFF 0 1 0 LYC04 CB 0 1 0 LYC05 VNLR 0 15 2 LYC06 GSEL0 0 1 0 LYC07 GSEL1 0 1 1 LYC08 COR 0 3 0 LYC09 TRAP 0 1 1 LYC10 CHTRAP 0 1 0 LYC11 CBPF 0 1 0 LYC12 ENHOFF 0 1 0 SYSTEM MODE Do not adjust No Setting item Variable range Initial setting value No Setting item V...

Page 21: ... PIP15 PICT LCK 0 1 1 PIP41 PCT EXT 128 127 0 PIP16 SELDEL 0 15 0 PIP42 TNT EXT 128 127 0 PIP17 AGCFIX 0 1 1 PIP43 COR EXT 128 127 0 PIP18 AGCADST 0 1 0 PIP44 R D EXT 128 127 0 PIP19 AGC 0 15 7 PIP45 G D EXT 128 127 0 PIP20 BLKINVB 0 1 0 PIP46 B D EXT 128 127 0 PIP21 BLKINVR 0 1 0 PIP47 BRT COMP 128 127 0 PIP22 VSPDEL 0 31 0 PIP48 PCT COMP 128 127 0 PIP23 VSPISQ 0 1 1 PIP49 TNT COMP 0 40 0 PIP24 R...

Page 22: ...that the color change from HIGH LEVEL to LOW LEVEL by CW TRANSF T111 at MAIN PWB and check the SYNC YES 5 Adjust until REFFERENCE LEVEL mark turns green And then confirm that the SYNC YES again ADJUSTMENT OF RF AGC Item Measuring instrument Test point Adjustment part Description RF AGC adjustment S45 AGC ADJ 1 Receive a black and white signal color off 2 Select S45 AGC ADJ of the V C MODE 3 Press ...

Page 23: ...HASE D07 V SIZE V CENTER SW S401 MAIN PWB 1 Receive the cross hatch signal 2 Select the D05 V PHASE of the DEF D mode and it checks that the value of D05 V PHASE is 0 3 Adjust the vertical screen size of the screen top to 92 with the D07 V SIZE and V CENTER SW S401 H CENTER adjustment Signal generator D03 H POSI 1 Receive the cross hatch signal 2 Select D03 H POSI from DEF D mode 3 Adjust by H POS...

Page 24: ...ntal line that is displayed becomes white using the to keys of the remote control unit 8 Turn the screen VR until the single horizontal line is displayed faintly 9 Press the key to cancel the single horizontal line mode 10 Adjust the BRIGHT level to become the black component shines white slightly 11 Confirm that whether the color ingredient of R G or B is visible to the black component which shin...

Page 25: ...S01 BRIGHT with the MENU VOL key 4 If the brightness is not the best with the initial setting value make fine adjustment of the S01 BRIGHT until you get the optimum brightness SUB CONTRAST adjustment S02 PICTURE 1 Receive the broadcast 2 Select S02 PICTURE of the V C MODE 3 Set the initial setting value of the S02 PICTURE with the MENU VOL key 4 If the contrast is not the best with the initial set...

Page 26: ... until you get the optimum color Method of adjustment using measuring instrument Signal generator Oscilloscope Remote control unit TP B TP E CRT SOCKET PWB S03 COLOR 1 Input the full field color bar signal 75 white 2 Select S03 COLOR of the V C MODE 3 Set the initial setting value of the S03 COLOR with the MENU VOL key 4 Connect the oscilloscope between TP B and TP E 5 Adjust COLOR and bring the v...

Page 27: ...until you get the optimum tint Method of adjustment using measuring instrument Signal generator Oscilloscope Remote control unit TP B TP E CRT SOCKET PWB S04 TINT 1 Input the full field color bar signal 75 white 2 Select S04 TINT of the V C MODE 3 Set the initial setting value of the S04 TINT with the MENU VOL key 4 Connect the oscilloscope between TP B and TP E 5 Adjust TINT and bring the value o...

Page 28: ... oscilloscope to R OUT pin of the AUDIO OUT and display one cycle portion of the 300Hz signal 3 Select the A02 LOW SEP of the SOUND MODE 4 Set the initial setting value of the A02 LOW SEP with the MENU VOL key 5 Adjust the A02 LOW SEP 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 the voltage ...

Page 29: ...WN CIRCUIT 1 Turn the power switch to on 2 As shown in Fig 1 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 Fig 1 4 T521 CONNECTOR RESISTOR 18 00 kΩ Ω Ω Ω 1 HEATER R531 R529 X C52...

Page 30: ...eezers 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 to the pattern as indicat...

Page 31: ...No 51940 AV 27D303 AV 27D203 30 ...

Page 32: ...tor MF CAP Metalized Film Capacitor MF R Metal Film Resistor MM CAP Metalized Mylar Capacitor MG R Metal Glazed Resistor MP CAP Metalized Polystyrol Capacitor MP R Metal Plate Resistor PP CAP Polypropylene Capacitor OM R Metal Oxide Film Resistor PS CAP Polystyrol Capacitor CMF R Coating Metal Film Resistor TF CAP Thin Film Capacitor UNF R Non Flammable Resistor MPP CAP Metalized Polypropylene Cap...

Page 33: ...FE 1001A M2 With CRT SOCKET PW BOARD 36 MAIN PW BOARD ASS Y SFE 1002A M2 With CRT SOCKET PW BOARD 40 REMOTE CONTROL UNIT PARTS LIST 44 PACKING 45 PACKING PARTS LIST 45 USING P W BOARD REMOTE CONTROL UNIT Model P W B ASS Y AV 27D303 S AV 27D203 S AV 27D303 R AV 27D203 R MAIN P W B SFE 1001A M2 SFE 1002A M2 REMOTE CONTROL UNIT RM C252 1H AV 27D303 S AV 27D203 S AV 27D303 R AV 27D203 R ...

Page 34: ...06 006 C JVC MARK 100 GQ10018 002B A FRONT CABINET ASSY Inc No 101 101 GQ30024 001A A DOOR Ref No Part No Part Name Description 1 GQ30025 002A A CONTROL KNOB 2 LC30191 004A A REMOCON LENS 3 GQ30026 002A A POWER KNOB 4 CM48006 007 C JVC MARK 100 GQ10018 001B A FRONT CABINET ASSY Inc No 101 101 GQ30024 002A A DOOR Ref No Part No Part Name Description 1 GQ30025 001A A CONTROL KNOB 2 LC30191 004A A RE...

Page 35: ...PPING SCREW 11 13 QYSBSB3010Z TAPPING SCREW 4 14 GQ30032 001A A RATING LABEL 15 GQ30034 001B A WARNING LABEL Ref No Part No Part Name Description V01 A68ADT25X01 ITC TUBE C Inc DY PC MAGNET WEDGE L01 CE41329 00DJB DEG COIL T1521 QQH0129 001 H V TRANSF 5 CHGB0016 0C BRAIDED WIRE 6 CHGB0015 0B BRAIDED WIRE SUB 7 CEBSS09D 03KJ2 SPEAKER 2 SP01 02 8 CM48144 001 A PWB STOPPER 9 GQ10017 001B A REAR COVER...

Page 36: ...No 51940 AV 27D303 AV 27D203 35 EXPLODED VIEW 2 7 7 5 V01 6 CRT SOCKET PWB Within MAIN PWB MAIN PWB 9 10 11 12 13 14 T1521 L01 8 11 4 15 ...

Page 37: ...3J 331X MG R 330Ω 1 16W J R1316 NRSA63J 101X MG R 100Ω 1 16W J R1321 NRSA63J 151X MG R 150Ω 1 16W J R1322 QRL029J 123 OM R 12kΩ 2W J Symbol No Part No Part Name Description RESISTOR R1323 QRZ0111 152 C R 1 5kΩ 1 2W K R1324 NRSA63J 103X MG R 10kΩ 1 16W J R1325 NRSA63J 331X MG R 330Ω 1 16W J R1326 NRSA63J 101X MG R 100Ω 1 16W J R1354 NRSA63J 331X MG R 330Ω 1 16W J R1356 NRSA63J 123X MG R 12kΩ 1 16W ...

Page 38: ...C R 82Ω 1 2W J R1991 QRZ9041 275 C R 2 7MΩ 1 2W K Symbol No Part No Part Name Description CAPACITOR C1001 QETN1HM 475Z E CAP 4 7µF 50V M C1002 NCB31HK 103X C CAP 0 01µF 50V K C1003 QETN1EM 476Z E CAP 47µF 25V M C1004 QETN1AM 227Z E CAP 220µF 10V M C1005 NCB31HK 103X C CAP 0 01µF 50V K C1101 02 NCB31HK 103X C CAP 0 01µF 50V K C1104 05 NCB31HK 103X C CAP 0 01µF 50V K C1106 QETN1EM 476Z E CAP 47µF 25...

Page 39: ...F 50V K C1708 09 NDC31HJ 220X C CAP 22pF 50V J C1711 QETN1EM 476Z E CAP 47µF 25V M C1712 NCB31HK 103X C CAP 0 01µF 50V K C1716 QETN1HM 106Z E CAP 10µF 50V M C1751 QETN1EM 476Z E CAP 47µF 25V M C1801 02 QETN1HM 106Z E CAP 10µF 50V M C1803 QETN1HM 105Z E CAP 1µF 50V M C1804 QETN1HM 106Z E CAP 10µF 50V M C1807 NCB31HK 103X C CAP 0 01µF 50V K Symbol No Part No Part Name Description CAPACITOR C1815 NCB...

Page 40: ...1 2SD1383K AB X SI TRANSISTOR Q1922 2SC2785 JH T SI TRANSISTOR Q1923 2SA1037AK QR X SI TRANSISTOR Q1924 2SA1208 ST Z1 T SI TRANSISTOR IC IC1101 M52342SP I C MONO ANA IC1201 TM8812CSANG3PF2 I C M IC1251 TC90A49P I C DIGI MOS IC1421 AN5522 I C MONO ANA IC1601 NJM2150AD I C MONO ANA IC1602 LA4446 I C MONO ANA IC1603 CXA2134Q X I C M IC1702 AT24C04 27D303 I C SERVICE IC1703 S 80840CNY T I C MONO ANA I...

Page 41: ...SA63J 103X MG R 10kΩ 1 16W J R1315 NRSA63J 331X MG R 330Ω 1 16W J R1316 NRSA63J 101X MG R 100Ω 1 16W J R1321 NRSA63J 151X MG R 150Ω 1 16W J Symbol No Part No Part Name Description RESISTOR R1322 QRL029J 123 OM R 12kΩ 2W J R1323 QRZ0111 152 C R 1 5kΩ 1 2W K R1324 NRSA63J 103X MG R 10kΩ 1 16W J R1325 NRSA63J 331X MG R 330Ω 1 16W J R1326 NRSA63J 101X MG R 100Ω 1 16W J R1354 NRSA63J 331X MG R 330Ω 1 1...

Page 42: ...21J 5R6Y C R 5 6Ω 1 2W J R1943 QRE121J 820Y C R 82Ω 1 2W J R1991 QRZ9041 275 C R 2 7MΩ 1 2W K Symbol No Part No Part Name Description CAPACITOR C1001 QETN1HM 475Z E CAP 4 7µF 50V M C1002 NCB31HK 103X C CAP 0 01µF 50V K C1003 QETN1EM 476Z E CAP 47µF 25V M C1004 QETN1AM 227Z E CAP 220µF 10V M C1005 NCB31HK 103X C CAP 0 01µF 50V K C1101 02 NCB31HK 103X C CAP 0 01µF 50V K C1104 05 NCB31HK 103X C CAP 0...

Page 43: ...50V K C1708 09 NDC31HJ 220X C CAP 22pF 50V J C1711 QETN1EM 476Z E CAP 47µF 25V M C1712 NCB31HK 103X C CAP 0 01µF 50V K C1716 QETN1HM 106Z E CAP 10µF 50V M C1751 QETN1EM 476Z E CAP 47µF 25V M C1801 02 QETN1HM 106Z E CAP 10µF 50V M C1803 QETN1HM 105Z E CAP 1µF 50V M C1804 QETN1HM 106Z E CAP 10µF 50V M C1807 NCB31HK 103X C CAP 0 01µF 50V K Symbol No Part No Part Name Description CAPACITOR C1815 NCB31...

Page 44: ...2SC2785 JH T SI TRANSISTOR Q1923 2SA1037AK QR X SI TRANSISTOR Q1924 2SA1208 ST Z1 T SI TRANSISTOR IC IC1101 M52342SP I C MONO ANA IC1201 TM8812CSANG3PF2 I C M IC1251 TC90A49P I C DIGI MOS IC1421 AN5522 I C MONO ANA IC1601 NJM2150AD I C MONO ANA IC1602 LA4446 I C MONO ANA IC1603 CXA2134Q X I C M IC1702 AT24C04 27D303 I C SERVICE IC1703 S 80840CNY T I C MONO ANA IC1704 AN78L05 T I C MONO ANA IC1751 ...

Page 45: ...No 51940 AV 27D303 AV 27D203 44 REMOTE COTROL UNIT PARTS LIST RM C252 1H Ref No Part No Part Name Description 1 UR77EC0603 BATTERY COVER RM C252 1H 1 ...

Page 46: ...B A PACKING CASE 2 GQ10019 001A A CUSHION ASSY 4pcs in 1set 3 CP30055 001 A TOP COVER 4 CP30056 008 A POLY BAG 5 QPA02503505 POLY BAG 6 RM C252 1H REMOCON UNIT 7 LCT1145 001A A INST BOOK 8 BT 52004 2Q WARRANTY CARD 9 BT 51028 1Q REGISTER CARD 10 CM36616 001 A CORNER LABEL 2pcs in 1set 3 4 6 5 7 8 9 1 10 10 2 2 ...

Page 47: ...No 51940 AV 27D303 AV 27D203 46 Memo ...

Page 48: ...No 51940 AV 27D303 AV 27D203 47 Memo ...

Page 49: ...C AMERICAS CORP Head office 1700 Valley Road Wayne New Jersey 07470 973 315 5000 East Coast 10 New Maple Avenue Pine Brook New Jersey 07058 973 396 1000 Midwest 705 Enterprise St Aurora Illinois 60504 630 851 7855 West Coast 5665 Corporate Avenue Cypress California 90630 714 229 8011 Southwest 10700 Hammerly Suite 105 Houston Texas 77043 713 935 9331 Hawaii 2969 Mapunapuna Place Honolulu Hawaii 96...

Page 50: ...2002 VICTOR COMPANY OF JAPAN LTD AV 27D303 S R AV 27D203 S R AV 27D303 AV 27D203 NOTE ON USING CIRCUIT DIAGRAMS SEMICONDUCTOR SHAPES BLOCK DIAGRAM CIRCUIT DIAGRAMS PATTERN DIAGRAMS CHANNEL CHART 2 1 2 2 2 3 2 5 2 9 2 11 CD ROM No SML200206 BASIC CHASSIS FE CONTENTS ...

Page 51: ...diagram is a standard one the circuit and circuit constants may be subject to change for improvement without any notice NOTE Due improvement in performance some part numbers show in the circuit diagram may not agree with those indicated in the part list When ordering parts please use the numbers that appear in the Parts List Type MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalize...

Page 52: ... 2 38 W 3 39 W 4 40 W 5 41 W 6 42 W 7 43 W 8 44 W 9 45 W 10 46 W 11 47 W 12 48 W 13 49 W 14 50 HYPER W 15 51 W 16 52 W 17 53 W 18 54 W 19 55 W 20 56 W 21 57 W 22 58 W 23 59 W 24 60 W 25 61 W 26 62 W 27 63 W 28 64 W 29 65 W 30 66 ULTRA W 31 67 W 32 68 W 33 69 W 34 70 MODE CHANNEL TUNER TV CATV REAL DISP BAND W 35 71 W 36 72 W 37 73 W 38 74 W 39 75 W 40 76 W 41 77 W 42 78 W 43 79 W 44 80 W 45 81 W 4...

Page 53: ...RGB DRV RM SW CRT SOCKET PWB Y C V1 L1 R1 L2 R2 L R AUDIO INPUT 2 AUDIO OUT T921 SW TRANSF IC602 AUDIO AMP L R L R MAIN PWB COMPO NENT INPUT IC101 IF DET Y Pb Pr CRT T521 DY01 TUNER IC851 IC601 IC603 IC251 BBE SW Y C SEP AV SW VIDEO AUDIO INPUT 3 V3 L3 R3 Y C OUT Y C V1 V3 L1 R1 L2 R2 L3 R3 V Y Y C C L R OUT L R L R VTV MPX Y Pb Pr H V R G B L R SP L SP R FOCUS SCREEN LF901 R G B Within MAIN PWB Y...

Page 54: ...RGB DRV RM SW CRT SOCKET PWB Y C V1 L1 R1 L2 R2 L R AUDIO INPUT 2 AUDIO OUT T921 SW TRANSF IC602 AUDIO AMP L R L R MAIN PWB COMPO NENT INPUT IC101 IF DET Y Pb Pr CRT T521 DY01 TUNER IC851 IC601 IC603 IC251 BBE SW Y C SEP AV SW VIDEO AUDIO INPUT 3 V3 L3 R3 Y C OUT Y C V1 V3 L1 R1 L2 R2 L3 R3 V Y Y C C L R OUT L R L R VTV MPX Y Pb Pr H V R G B L R SP L SP R FOCUS SCREEN LF901 R G B Within MAIN PWB Y...

Page 55: ...501 X R503 0 01 C503 3 9K R504 0 47 C401 1k R401 0 01 C502 47 25 C501 150k R505 470 R506 560 R507 0 01 C507 0 01 C241 0 0015 C203 0 01 C244 0 01 C354 10k R359 100k R227 4 7 50 C247 10 50 C221 5 D353 1 50 C202 22k R201 47 25 C243 47 25 C711 0 01 C712 1 Q701 6 8k R768 1k R769 10k R770 100 R740 100 R732 100 R731 4 7k R734 4 7k R733 100 R708 4 7k R704 4 7k R705 100 R709 5 D702 22k R716 22k R718 10 50 ...

Page 56: ...501 X R503 0 01 C503 3 9K R504 0 47 C401 1k R401 0 01 C502 47 25 C501 150k R505 470 R506 560 R507 0 01 C507 0 01 C241 0 0015 C203 0 01 C244 0 01 C354 10k R359 100k R227 4 7 50 C247 10 50 C221 5 D353 1 50 C202 22k R201 47 25 C243 47 25 C711 0 01 C712 1 Q701 6 8k R768 1k R769 10k R770 100 R740 100 R732 100 R731 4 7k R734 4 7k R733 100 R708 4 7k R704 4 7k R705 100 R709 5 D702 22k R716 22k R718 10 50 ...

Page 57: ...01 C531 QCB32HK 102Z 100 6 3 C932 X R931 10K R936 1 2W Q924 2SA1208 ST Z1 T D932 MTZJ33B T2 X D929 X R937 D930 47 10 C933 22K R929 1 2W CN00U U CN0HV H DEF YOKE CN0HV V T521 5V 18 R941 2WOMR IC921 AN7809F 9V REGULATOR 100 16 C941 CNDEG X C342 HD V OUT MAIN_PW A_GND CN0PW X Q331 X Q332 X R333 X R332 X R331 X D331 X C331 X Y342 X Y343 X Y341 K401 QQR0582 001Z K923 QQR0582 001Z K922 QQR0582 001Z K921...

Page 58: ...01 C531 QCB32HK 102Z 100 6 3 C932 X R931 10K R936 1 2W Q924 2SA1208 ST Z1 T D932 MTZJ33B T2 X D929 X R937 D930 47 10 C933 22K R929 1 2W CN00U U CN0HV H DEF YOKE CN0HV V T521 5V 18 R941 2WOMR IC921 AN7809F 9V REGULATOR 100 16 C941 CNDEG X C342 HD V OUT MAIN_PW A_GND CN0PW X Q331 X Q332 X R333 X R332 X R331 X D331 X C331 X Y342 X Y343 X Y341 K401 QQR0582 001Z K923 QQR0582 001Z K922 QQR0582 001Z K921...

Page 59: ...07 W808 W809 R936 H602 W917 D906 W835 W255 W732 W101 D501 W901 W707 W256 W709 W710 W719 W206 W613 W907 W131 W132 W951 IC751 W961 W504 W601 R541 W602 W607 W941 W608 W609 W610 W207 W271 W603 W604 W401 W605 W952 W402 W403 W942 W251 W252 W404 W812 W253 W922 W923 W924 W925 W926 W927 W928 Q352 R354 W916 W915 C352 R356 W409 W713 W910 W911 W912 W814 W804 W614 C613 W104 C943 W508 W919 C946 W711 C006 C007 C...

Page 60: ...07 W808 W809 R936 H602 W917 D906 W835 W255 W732 W101 D501 W901 W707 W256 W709 W710 W719 W206 W613 W907 W131 W132 W951 IC751 W961 W504 W601 R541 W602 W607 W941 W608 W609 W610 W207 W271 W603 W604 W401 W605 W952 W402 W403 W942 W251 W252 W404 W812 W253 W922 W923 W924 W925 W926 W927 W928 Q352 R354 W916 W915 C352 R356 W409 W713 W910 W911 W912 W814 W804 W614 C613 W104 C943 W508 W919 C946 W711 C006 C007 C...

Page 61: ... 2 38 W 3 39 W 4 40 W 5 41 W 6 42 W 7 43 W 8 44 W 9 45 W 10 46 W 11 47 W 12 48 W 13 49 W 14 50 HYPER W 15 51 W 16 52 W 17 53 W 18 54 W 19 55 W 20 56 W 21 57 W 22 58 W 23 59 W 24 60 W 25 61 W 26 62 W 27 63 W 28 64 W 29 65 W 30 66 ULTRA W 31 67 W 32 68 W 33 69 W 34 70 MODE CHANNEL TUNER TV CATV REAL DISP BAND W 35 71 W 36 72 W 37 73 W 38 74 W 39 75 W 40 76 W 41 77 W 42 78 W 43 79 W 44 80 W 45 81 W 4...

Page 62: ...diagram is a standard one the circuit and circuit constants may be subject to change for improvement without any notice NOTE Due improvement in performance some part numbers show in the circuit diagram may not agree with those indicated in the part list When ordering parts please use the numbers that appear in the Parts List Type MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalize...

Page 63: ...Jersey 07058 705 Enterprise St Aurora Illinois 60504 5665 Corporate Avenue Cypress California 90630 10700 Hammerly Suite 105 Houston Texas 77043 2969 Mapunapuna Place Honolulu Hawaii 96819 1500 Lakes Parkway Lawrenceville Georgia 30243 21 Finchdene Square Scarborough Ontario M1X 1A7 13040 Worster Court Richmond B C V6V 2B3 973 315 5000 973 396 1000 630 851 7855 714 229 8011 713 935 9331 808 833 58...

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