JVC AV-20N83/BK Page 68 Service Manual Download | Manualshive

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background image

J801

VIDEO-1

INPUT

T551

FBT

B1

FOCUS1

IC702

EEPROM

TU001

TUNER

VIDEO

AUDIO L/MONO

AUDIO R

IF

RGB DRIVE

SCL

SDA

Cout1

MAIN (CRT SOCKET)

IC401

VERT OUT

J802,J803

COMPONENT

(VIDEO-2)

INPUT

C

B

C

R

AUDIO R

J771-J773
FRONT IN
(VIDEO-3)

VIDEO

AUDIO L/MONO

AUDIO R

J804

OUTPUT

AUDIO L

AUDIO R

VOL+

REMOCON

RECEIVER

VOL-

CH+

CH-

MENU

POWER

LED

Q522

H. OUT

SCREEN

EHV

V

H

DY01
DEF YOKE

SP

L

SP

R

SCL1
SDA1

V/Y

SCL

SDA

AUDIO L/MONO

VIDEO OUT

CF106

4.5 TRAP

BUF

Yout1

C

B

C

R

BUF

IC650

AUDIO AMP

AC IN

F901

POWER SW

D901
RECT

T901

SW

TRANSF.

IC974

REG

L951

5V

8V

9V

32V

IC951

ERROR

AMP

PC901

VOLTAGE

FEEDBACK

IC901

POWER

REG

MAIN PWB

SCL,SDA

10

8

7

3

1

V1-V

V1-L

V1-R

V2-Y

V2-V IC801

VIDEO SW

29,30

V2-L

V2-R

4

2

37

36

35

Vout2

Lout2

Rout2

43

44

42

V3-V

V3-L

V3-R

25

27

MTV-R

MTV-L

15

14

MTV-V

13

Lout1

26

Rout1

24

Q111

Q109

47

48

46

Y

U

V

7

10,64

43

42

CIN

CVBS/YIN

62,63

2,3

IF IN2

24

IF IN1

23

SIF IN2

29

SIF IN1

28

IC701

V/C DEF.

PROCESSOR

5,6

51

ROUT

52

GOUT

53

BOUT

35

QSS OUT

21,22

VDRB(-)

VDRA(+)

33

HOUT

38

IF VOUT

R

G

B

L

R

L, R

KEY_IN

REMOTE, LED

S901

IC972

3.3V REG

3.3V_STB

J770

HEADPHONE

JACK

19

Yin1

Vout1

23

V01

BUF

BUF

BUF

Q136

Q130

CF140

5.5 FILTER

SCL

SDA

10

11

Q137

L

R

BUF

Q132

AV-20N83

/BK

, AV-21D83

/BK

SF101

SAW FILTER

SF102

SAW FILTER

(SIF OUT)

IC130

SOUND FM

DETECTOR

IC602

SOUND

PROCESSOR

(3D SURROUND

& VOL/TONE)

CF130

5.74 FILTER

BUF

Q108

BUF

Q104

AV-21D83

/VT

, AV-20N83

/VT

CF131

5.74 FILTER

BUF

BUF

BUF

Q136

Q130

CF140

5.5 FILTER

10

11

Q137

BUF

Q132

AV-21D83

/VT

, AV-20N83

/VT

IC130

SOUND FM

DETECTOR

CF130

4.5 FILTER

CF142

6.5 FILTER

AV-20N83
AV-21D83

AV-20N83
AV-21D83

BLOCK DIAGRAM

No.52076

2-4

No.52076

2-3

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Summary of Contents for AV-20N83/BK

Page 1: ...R SOUND MENU CHANNEL RETURN POWER DISPLAY TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 CINEMA SURROUND TV RM C1017 MUTING PICTURE BOOSTER OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 TV RM C1027 1 2 RM C1017 1H AV 20N83 BK AV 21D83 BK CONTENTS a SPECIFICATIONS 2 a OPERATING INSTRUCTIONS APPENDIX a SAFETY PRECAUTIONS...

Page 2: ...Sub Carrier PAL 4 43MHz Frequency SECAM 4 40625MHz 4 25MHz NTSC 3 58MHz 4 43MHz Aerial Input Terminal 75Ø Unbalanced coaxial Power Input AC110V AC240V 50Hz 60Hz Power Consumption 95W Max 65W Avg Picture Tube Visible size 48cm measured Visible size 51cm measured diagonally Visible size 48cm measured diagonally diagonally High Voltage 26 5kV 1 5kV at cut off in service mode Speaker 5cm X 12cm Oval t...

Page 3: ...s or alternatives approved by the manufacturer of the complete product 7 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 10kØ 2W resistor to the anode button 8 When service is required...

Page 4: ...dance with the brightness in a room the brightness and or contrast of the picture can be adjusted automatically to make the optimum picture which is easy on the eye s Built in OFF TIMER RETURN MAIN DIFFERENCE LIST MODEL No AV 20N83 BK AV 21D83 BK AV 21D83 VT AV 20N83 VT Part Name MAIN PWB SCH 1090A BK SCH 1122A BK SCH 1315A CK SCH 1316A CK FRONT CABINET LC10438 028A H LC11129 024A H LC11129 025A H...

Page 5: ...R R CR AV 21D83 BK AV 21D83 VT AV 20N83 BK AV 20N83 VT MUTING PICTURE BOOSTER OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 CINEMA SURROUND TV RM C1017 MUTING PICTURE BOOSTER OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9...

Page 6: ...2 Follow the same steps when removing the other hand speaker REMOVING THE SPEAKER AV 20N83 VT After removing the rear cover 1 Remove the 2 screws marked Î as shown in Fig 1 2 Follow the same steps when removing the other hand speaker CHECKING THE MAIN PW BOARD 1 To check the back side of the Main PWB 1 Pull out the Main PWB Refer to REMOVING THE MAIN PW BOARD 2 Erect the Main PWB vertically so tha...

Page 7: ...No 52076 7 AV 20N83 Fig 1 A B X6 X2 E X2 D FRONT CABINET PICTURE TUBE MAIN PWB CRT SOCKET PWB MAIN PWB REAR COVER SPEAKER SPEAKER C X2 D X2 E ...

Page 8: ...low the same steps when removing the other hand speaker REMOVING THE SPEAKER AV 21D83 VT After removing the rear cover 1 Remove the 2 screws marked Î and 2 screws marked as shown in Fig 1 2 Follow the same steps when removing the other hand speaker CHECKING THE MAIN PW BOARD 1 To check the back side of the Main PWB 1 Pull out the Main PWB Refer to REMOVING THE MAIN PW BOARD 2 Erect the Main PWB ve...

Page 9: ...No 52076 9 AV 21D83 Fig 1 FRONT CABINET PICTURE TUBE MAIN PWB CRT SOCKET PWB MAIN PWB SPEAKER SPEAKER REAR COVER C X2 D X2 E B X4 A X7 X2 E X2 D ...

Page 10: ...eps The CRT change table should preferably be smaller that the CRT sur face and its height be about 35cm COATING OF SILICON GREASE FOR ELECTRICAL IN SULATION ON THE CRT ANODE CAP SECTION Subsequent to replacement of the CRT and HV transformer or repair of the anode cap etc by dismounting them be sure to coat silicon grease for electrical insulation as shown in Fig 5 1 Wipe around the anode button ...

Page 11: ...NU key and set the correct value with the MENU T key 4 Press the DISPLAY key twice to return to the normal screen 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels channels preset NAME OF REMOTE CONTROL KEYS Fig 1 Fig 2 DISPLAY MENU PICTURE MODE MUTING OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN REVEAL SUBPAGE CANCEL TV TEXT HOLD RM C1010 INDEX STORE MOD...

Page 12: ...O YES NO AV 21D83 BK AV 20N83 BK SYSTEM COMB TILT TEXT SUPER BASS LANGUAGE MSP BILINGUAL B B SOUND TUNER COLOUR AUTO LOCK 1MHz 500KHz 250KHz 156 25KHz 31 25KHz 3D SURROUND 3CH VOL TONE AMP TUNER SINGLE VIET MU NO 040 040 000 240 040 030 030 NO NO NO E T E V E E T NO NO YES YES E V NO YES AV 21D83 VT AV 20N83 VT NO NO NO EASTERN UKRANIAN RUSSIAN NO PAN EURO ARABK SETTING OF SYSTEM CONSTANT SET Tabl...

Page 13: ...UTOFF OFF CHILD LOCK OFF BLUE BACK ON VIDEO 2 SET VIDEO LANGUAGE THAI AV 20N83 BK AV 21D83 BK only VIET AV 21D83 VT AV 20N83 VT only 3D SURROUND OFF AI VOLUME ON ON SCREEN DISPLAY POSITION INDICATION COLOUR SYSTEM PAL SOUND SYSTEM B G PICTURE MODE VSM BRIGHT OFF TIMER 00 ECO SENSOR OFF BASS CENTRE TREBLE CENTRE BALANCE CENTRE BILINGUAL MODE 1 2 AV 20N83 BK AV 21D83 BK only USER SETTING VALUES Tabl...

Page 14: ...OOM 4 VSM PRESET 1 TINT BRIGHT STD SOFT 2 COLOUR 3 BRIGHT 4 CONT 5 SHARP Service menu Setting item SERVICE MENU SETTING ITEMS Service menu Setting item 5 PRESET 1 PSNS 2 ACL 3 MUS 4 MAT 5 FCO 6 BPS 7 IFLH 8 VID 9 STM 10 AFCW 11 VSW 12 FFI 13 AGC 14 CL 15 AKB 16 HBL 17 BKS 18 READ STATUS 19 VNR 20 PEAK 21 IVG 22 WPL 23 SOFT CLIPPER 24 IF PLL OFFSET 25 OVERSHOOT 26 HCO 27 HP2 28 AI VOLUME ADN 29 SUB...

Page 15: ...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 alter nately melt the solder at each lead Shift and remove the chip part Note After removing the part remove remaining solder from the pattern REPLACEMENT OF CHIP COMPONENT 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as ind...

Page 16: ...th the remote control unit Setting item Setting value PICTURE MODE VSM BRIGHT VNR OFF BASS TREBLE BALANCE CENTRE TINT COLOUR BRIGHT SHARP CENTRE CONTRAST MAXIMUM MEASURING INSTRUMENT 1 DC voltmeter or Digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator PAL SECAM NTSC 4 Remote control unit ADJUSTMENT ITEMS B1 POWER SUPPLY FOCUS ADJUSTMENT IF CIRCUIT ADJUSTMENTS Adjustment of VCO C...

Page 17: ... TP 47G HV 4 1 GND B1 UPPER FOCUS F1 IC702 MAIN PWB ASS Y CRT SOCKET T 6 1 4 1 FRONT AV IN OUT HVT MAIN PWB ASS Y 1 6 1 1 4 5 S U LOWER SCREEN TU001 J770 S901 J773 S784 S782 S780 S783 S781 J772 J771 J804 J801 J802 J803 IC701 CN001 T PW DEG TP E S780 MENU S781 CH S782 CH S783 VOL S784 VOL POWER SW ...

Page 18: ...it and select the SUB MENU SCREEN from the SERVICE MENU See Fig 1 on the next page SERVICE MENU SUB MENU 1 IF 2 VC 3 DEF 4 VSM PRESET 5 PRESET 6 PLUG PLAY ON 3 Method of Setting Once the setting values are set they are memorized automatically It must not adjust without inputting a signal 1 1 IF 1 VCO a 1 Key Select 1 IF b 1 Key Select 1 VCO c DISPLAY Key When this is pressed twice you will return ...

Page 19: ...OPERATE DISPLAY EXIT SUB MENU 3 DEF 50Hz PAL 1 CUTOFF R G V C PAL 1 VER SLOPE DEF 4 3 MENU 89 SELECT MENU OPERATE DISPLAY EXIT SUB MENU 5 PRESET PAL B G 1 PSNS PRESET 50Hz MENU 89 SELECT MENU OPERATE DISPLAY EXIT SUB MENU 4 VSM PRESET TINT COLOUR BRIGHT CONT SHARP STANDARD MENU 89 SELECT MENU OPERATE DISPLAY EXIT 1 PSNS 2 ACL 3 MUS 4 MAT 5 FCO 6 BPS 7 IFLH 8 VID 9 STM Setting item 10 AFCW 11 VSW 1...

Page 20: ... screen gets darkened Adjustment of VCO CW VCO CW Item Measuring instrument Test point Adjustment part Description IF CIRCUIT ADJUSTMENTS Remote control unit Note Under normal conditions no adjustment is required 1 Select 1 IF from the SERVICE MENU 2 Select 1 VCO by pressing the 1 key on the remote control unit 3 Receive a broadcast signal 4 Check the characters colour of the BELOW REFERENCE displ...

Page 21: ... single hori zontal line 5 Turn the SCREENVR fully counterclockwise then slowly turn it clock wise to where a red blue or green colour is faintly visible 6 Use the keys 4 and 7 or 5 and 8 on the remote control unit and adjust the other 2 colours to where the single horizontal line ap pears white 7 Turn the SCREENVR to where the single horizontal line glows faintly 8 Press the 2 key to return to 1 ...

Page 22: ...NT with the MENU key 4 Set the initial setting value with the MENU T key 5 If the contrast is not best with the initial setting value make fine adjustment until you get the best contrast 6 Press the DISPLAY key twice to return to the normal screen 4 CONT Adjustment of WHITE BALANCE High light Signal generator Remote control unit 2 DRIVE R DRIVE G DRIVE B Notes Proceed to the following adjustment a...

Page 23: ...te control unit 5 COLOUR Method of adjustment using measuring instrument Notes Proceed to the following adjustment after having completed the ad justment of SUB CONT Set PICTURE MODE VSM to BRIGHT PAL COLOUR 1 Receive a PAL colour bar signal full field colour bar 75 white 2 Select 2 VC from the SERVICE MENU 3 Select 5 COLOUR with the MENU key 4 Set the initial setting value of PAL COLOUR with the ...

Page 24: ...TINT appropriate values are automatically set for NTSC 4 43 TINT Mg B 0V R Cy Y W B G Adjustment of SUB TINT II Signal generator Oscilloscope Remote control unit 6 TINT Method of adjustment using measuring instrument Notes Proceed to the following adjustment after having completed the adjustment of SUB CONT Set PICTURE MODE VSM to BRIGHT NTSC 3 58 TINT 1 Receive a NTSC 3 58 colour bar signal full ...

Page 25: ...he MENU key 4 Set the initial setting value of 1 VER SLOPE with the MENU T key 5 Adjust 1 VER SLOPE to make A B with the MENU Tkey B A Blanking line Adjustment of V POSITION Signal generator Remote control unit 3 VER POSITION 6 Select 3 VER POSITION with the MENU key 7 Set the initial setting value of 3 VER POSITION with the MENU Tkey 8 Adjust 3 VER POSITION to make A B with the MENU Tkey to be co...

Page 26: ...Remote control unit Adjustment of H POSITION 5 HOR POSITION 15 Receive a PAL circle pattern signal 16 Select 5 HOR POSITION with the MENU key 17 Set the initial setting value of 5 HOR POSITION with the MENU Tkey 18 Adjust 5 HOR POSITION to make C D with the MENU Tkey Signal generator Remote control unit Screen size 91 Picture size 100 C D Adjustment of H WIDTH 6 HOR WIDTH 19 Receive a PAL cross ha...

Page 27: ...UM 8 EW TRAPEZ 26 Select 8 EW TRAPEZ with the MENU key 27 Set the initial setting value of 8 EW TRAPEZ with the MENU Tkey 28 Adjust 8 EW TRAPEZ so that the vertical lines at the left and right edges on the screen are in parallel Signal generator Remote control unit Adjustment of V S CURVE 4 VER SCURVE 29 Select 4 VER SCURVE with the MENU key 30 Set the initial setting value of 4 VER SCURVE with th...

Page 28: ...ur corners on the screen are straight Signal generator Remote control unit Adjustment of H PARALLEL 11 HOR PARALL 37 Select 11 HOR PARALL with the MENU key 38 Set the initial setting value of 11 HOR PARALL with the MENU Tkey 39 Adjust 11 HOR PARALL to optimize the parallelogram distortion Signal generator Remote control unit Adjustment of H BOW 12 HOR BOW 40 Select 12 HOR BOW with the MENU key 41 ...

Page 29: ...of 7 EW PIN with the MENU Tkey 10 Adjust 7 EW PIN so that the first vertical lines at the left and right edges on the screen are straight 7 EW PIN Adjustment of CORNER Signal generator Remote control unit 11 Select 9 UP CORNER with the MENU key 12 Set the initial setting value of 9 UP CORNER with the MENU Tkey 13 Select 10 DW CORNER with the MENU key 14 Set the initial setting value of 10 DW CORNE...

Page 30: ... 3 Select 1 VER SLOPE with the MENU key 4 Set the initial setting value of 1 VER SLOPE with the MENU T key 5 Adjust 1 VER SLOPE to make A B with the MENU Tkey B A Blanking line Adjustment of V POSITION Signal generator Remote control unit 3 VER POSITION 6 Select 3 VER POSITION with the MENU key 7 Set the initial setting value of 3 VER POSITION with the MENU Tkey 8 Adjust 3 VER POSITION to make A B...

Page 31: ...Remote control unit Adjustment of H POSITION 5 HOR POSITION 15 Receive a NTSC circle pattern signal 16 Select 5 HOR POSITION with the MENU key 17 Set the initial setting value of 5 HOR POSITION with the MENU Tkey 18 Adjust 5 HOR POSITION to make C D with the MENU Tkey Signal generator Remote control unit Screen size 91 Picture size 100 C D Adjustment of H WIDTH 6 HOR WIDTH 19 Receive a NTSC cross ...

Page 32: ...UM 8 EW TRAPEZ 26 Select 8 EW TRAPEZ with the MENU key 27 Set the initial setting value of 8 EW TRAPEZ with the MENU Tkey 28 Adjust 8 EW TRAPEZ so that the vertical lines at the left and right edges on the screen are in parallel Signal generator Remote control unit Adjustment of V S CURVE 4 VER SCURVE 29 Select 4 VER SCURVE with the MENU key 30 Set the initial setting value of 4 VER SCURVE with th...

Page 33: ...ur corners on the screen are straight Signal generator Remote control unit Adjustment of H PARALLEL 11 HOR PARALL 37 Select 11 HOR PARALL with the MENU key 38 Set the initial setting value of 11 HOR PARALL with the MENU Tkey 39 Adjust 11 HOR PARALL to optimize the parallelogram distortion Signal generator Remote control unit Adjustment of H BOW 12 HOR BOW 40 Select 12 HOR BOW with the MENU key 41 ...

Page 34: ...of 7 EW PIN with the MENU Tkey 10 Adjust 7 EW PIN so that the first vertical lines at the left and right edges on the screen are straight 7 EW PIN Adjustment of CORNER Signal generator Remote control unit 11 Select 9 UP CORNER with the MENU key 12 Set the initial setting value of 9 UP CORNER with the MENU Tkey 13 Select 10 DW CORNER with the MENU key 14 Set the initial setting value of 10 DW CORNE...

Page 35: ...te control unit C D VIDEO 2 SET COMPONENT fv 50 60Hz mode Setting of VSM PRESET 1 TINT 2 COLOUR 3 BRIGHT 4 CONT 5 SHARP Remote control unit 1 Select 4 VSM PRESET from the SERVICE MENU 2 Select BRIGHT with the PICTURE MODE key 3 Adjust the MENU key and MENU Tkey to reset the set values of 1 TINT 5 SHARP to the values shown in the table 4 Respectively select the VSM PRESET mode for SOFT and STAND AR...

Page 36: ... 0 3 MUS 0 1 0 4 MAT 0 1 0 5 FCO 0 1 0 6 BPS 0 1 0 7 IFLH 0 1 0 8 VID 0 1 0 9 STM 0 1 0 10 AFCW 0 1 0 11 VSW 0 1 0 12 FFI 0 1 0 13 AGC 00 01 10 11 01 14 CL 50 95 83 15 AKB 0 1 0 16 HBL 0 1 0 17 BKS 0 1 1 18 READ STATUS 19 VNR 00 63 25 20 PEAK 0 3 1 21 IVG 0 1 1 22 WPL 0 F 5 23 SOFT CLIPPER 0 3 0 24 IF PLL OFFSET 0 63 32 25 OVERSHOOT 0 3 3 26 HCO 0 1 0 27 HP2 0 1 0 28 AI VOLUME 00 01 10 11 01 29 SU...

Page 37: ...em horizontally Fig 2 7 Adjust the gap between two lugs so that the GREEN RASTER will come into the centre of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflec tion yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal 11 Verify that the screen is horizonta...

Page 38: ...convergence DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap the lines in the periphery Fig 5 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 6 3 Repeat 1 and 2 above and make best convergence After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the P C magnets with glue RED...

Page 39: ...on An over current on the low B line is detected Operation of CRT NECK protec tion circuit The main microcomputer detects the possible abnormality at 30 msec intervals and judges the results in every 16 time Of the 16 times if NG is detected more than 9 times it is judged that there is an abnormality DITTO When an abnormality has been detected the SUB POWER is turned off While the SUB POWER is bei...

Page 40: ...40 No 52076 AV 20N83 AV 21D83 SERVICE NOTE ...

Page 41: ...apan 0212 WPC VICTOR COMPANY OF JAPAN LIMITED 12 3 chome Moriya cho Kanagawa ku Yokohama Kanagawa prefecture 221 8528 Japan HOME AV NETWORK BUSINESS UNIT 4 4 AV20N83BK BK AV21D83BK BK AV21D83VT CK AV20N83VT CK 4 4 ...

Page 42: ...CMF R Coating Metal Film Resistor UNF R Non Flammable Resistor CH V R Chip Variable Resistor CH MG R Chip Metal Glazed Resistor COMP R Composition Resistor LPTC R Linear Positive Temperature Coefficient Resistor C CAP Ceramic Capacitor E CAP Electrolytic Capacitor M CAP Mylar Capacitor CH CAP Chip Capacitor HV CAP High Voltage Capacitor MF CAP Metalized Film Capacitor MM CAP Metalized Mylar Capaci...

Page 43: ...D83 VT 46 EXPLODED VIEW PARTS LIST 15 AV 21D83 BK AV 21D83 VT 47 EXPLODED VIEW 15 AV 21D83 BK AV 21D83 VT 48 PRINTED WIRING BOARD PARTS LIST AV 20N83 BK MAIN PW BOARD ASS Y 49 DIFFERENCE PARTS LIST BETWEEN AV 20N83 BK AND AV 21D83 BK 54 PRINTED WIRING BOARD PARTS LIST AV 20N83 VT MAIN PW BOARD ASS Y 55 DIFFERENCE PARTS LIST BETWEEN AV 21D83 VT AND AV 20N83 VT 60 REMOTE CONTROL UNIT PARTS LIST 61 P...

Page 44: ...ARTS LIST 1 AV 20N83 BK AV 20N83 VT Ref No Part No Part Name Description Local 16 LC10438 028A H FRONT CABI AV 20N83 BK 16 LC10438 034A HK FRONT CABI AV 20N83 VT 17 LC30665 001A H REMOCON LENS 18 LC30663 003A H POWER KNOB 19 LC20318 003A H CONTROL KNOB 20 LC30664 001B H E E WINDOW 21 CM48006 007 C JVC MARK 22 CM35235 003 H SPRING EXPLODED VIEW 1 AV 20N83 BK AV 20N83 VT 21 20 18 22 16 19 17 Model A...

Page 45: ... K2 POWER CORD AV 20N83 BK 1 QMPR400 200 JC POWER CORD AV 20N83 VT 2 CM47005 A01 H CORD CLAMP 3 CM36623 B01 H CHASSIS RAIL X2 4 WJY0008 002A BRAIDED ASS Y 5 A48457 3 H SPRING 6 A75034 B PC MAGNET AV 20N83 BK 7 CE40764 00A WEDGE ASS Y X3 AV 20N83 BK 8 QAS0101 001 SPEAKER X2 SP01 SP02 9 QYSBSF4012Z TAPPING SCREW X4 10 QYSBSF4012Z TAPPING SCREW X4 AV 20N83 BK 11 LC10448 005A H REAR COVER AV 20N83 BK ...

Page 46: ...No 52076 45 AV 20N83 EXPLODED VIEW 2 AV 20N83 BK AV 20N83 VT PICTURE TUBE REAR SIDE 12 13 9 15 L01 4 V101 8 3 3 6 7 DY01 T1551 8 2 1 11 14 10 5 10 9 ...

Page 47: ...129 025A HK FRONT CABI AV 21D83 VT 17 GG30021 002A H LED LENS 18 GG30019 003A H POWER KNOB 19 GG20006 003A H CONTROL KNOB 20 GG30020 001A H E E WINDOW 21 GG40023 001A H JVC MARK 22 CM35235 003 H SPRING EXPLODED VIEW 3 AV 21D83 BK AV 21D83 VT 16 19 17 18 22 21 20 EXPLODED VIEW PARTS LIST 3 AV 21D83 BK AV 21D83 VT ...

Page 48: ...ORD AV 21D83 VT 2 CM47005 A01 H CORD CLAMP 3 CM36623 B01 H CHASSIS RAIL X2 4 CHGB0028 0A BRAIDED ASS Y 5 A48457 3 H SPRING X2 6 A75034 B PC MAGNET AV 21D83 BK 7 CE42728 00A WEDGE ASS Y X3 AV 21D83 BK 8 QAS0101 001 SPEAKER X2 SP01 SP02 9 QYSBSB4012Z TAPPING SCREW X4 10 QYSBSB4012Z TAPPING SCREW X4 AV 21D83 VT 11 GG10130 001A H REAR COVER AV 21D83 BK 11 GG10130 011A HK REAR COVER AV 21D83 VT 12 QYSB...

Page 49: ...48 No 52076 AV 21D83 V01 6 7 3 DY01 T1551 2 1 L01 4 5 3 15 14 11 5 13 12 9 8 10 8 10 9 PICTURE TUBE REAR SIDE EXPLODED VIEW 15 AV 21D83 BK AV 21D83 VT ...

Page 50: ...00 1 16W J R1375 QRE121J 102Y C R 1k 1 2W J R1376 QRZ0107 152Z C R 1 5k 1W K R1377 NRSA63J 330X MG R 33 1 16W J R1378 NRSA63J 223X MG R 22k 1 16W J R1379 NRSA63J 103X MG R 10k 1 16W J R1383 QRE121J 394Y C R 390k 1 2W J RESISTOR R1384 NRSA63J 103X MG R 10k 1 16W J R1385 QRE141J 393Y C R 39k 1 4W J R1401 NRSA63J 224X MG R 220k 1 16W J R1403 NRSA63J 0R0X MG R 0 0 1 16W J R1405 NRSA63J 682X MG R 6 8k ...

Page 51: ... NRSA63J 222X MG R 2 2k 1 16W J R1820 NRSA63J 101X MG R 100 1 16W J R1821 NRSA63J 222X MG R 2 2k 1 16W J R1823 NRSA63J 101X MG R 100 1 16W J R1824 NRSA63J 222X MG R 2 2k 1 16W J R1826 NRSA63J 101X MG R 100 1 16W J R1829 NRSA63J 750X MG R 75 1 16W J R1830 NRSA63J 222X MG R 2 2k 1 16W J RESISTOR R1831 NRSA63J 222X MG R 2 2k 1 16W J R1832 NRSA63J 122X MG R 1 2k 1 16W J R1833 NRSA63J 102X MG R 1k 1 16...

Page 52: ...C1639 NCF21CZ 105X C CAP 1µF 16V Z C1640 QETN1HM 475Z E CAP 4 7µF 50V M C1641 NCB31EK 104X C CAP 0 1µF 25V K C1642 NCB31HK 472X C CAP 4700pF 50V K C1644 QETN1HM 475Z E CAP 4 7µF 50V M CAPACITOR C1645 QETN1HM 475Z E CAP 4 7µF 50V M C1650 QEHR1HM 106Z E CAP 10µF 50V M C1651 QEHR1VM 476Z E CAP 47µF 35V M C1652 QETN1HM 106Z E CAP 10µF 50V M C1655 QEHQ1VM 108 E CAP 1000µF 35V M C1656 QEHQ1VM 108 E CAP ...

Page 53: ...CE40203 00CJ1 DRIVE TRANSF T1551 QQH0143 001 FB TRANSF T1901 QQS0182 001 SW TRANSF COIL L1001 CE42050 001Z BEADS CORE L1002 CE42050 001Z BEADS CORE L1101 QQLZ014 R82 COIL 0 82µH L1524 QQLZ034 320 COIL 32µH L1701 QQL244K 100Z COIL 10µH K L1702 QQL244K 100Z COIL 10µH K L1731 QQL244J 5R6Z COIL 5 6µH J L1732 QQL244J 5R6Z COIL 5 6µH J L1951 QQLZ034 460 COIL 46µH L1953 QQL244J 5R6Z COIL 5 6µH J L1954 QQ...

Page 54: ...30 QAX0694 001Z C FILTER CF1131 QAX0694 001Z C FILTER CF1140 QAX0695 001Z C FILTER CL1001 QZW0027 002 WIRE CLAMP CL1002 QZW0027 001 WIRE CLAMP CL1003 QZW0027 004 WIRE CLAMP CP1951 ICP N75 Y IC PROTECTOR CP1953 ICP N75 Y IC PROTECTOR F1901 QMF51E2 4R0J4 FUSE FC1901 CEMG002 001Z FUSE CLIP J1770 QNS0155 001 3 5 JACK J1771 QNN0282 003 PIN JACK J1772 QNN0282 002 PIN JACK J1773 QNN0282 001 PIN JACK J180...

Page 55: ... between these models are written For other parts not mentioned in the list please refer to the PARTS LIST P49 P53 for the AV 20N83 BK Symbol No Part Name AV 20N83 BK AV 21D83 BK SCH 1090A BK SCH 1122A BK MAIN PWB R1413 QRX01GJ 3R9 3 9 1W J QRX01GJ 2R7 2 7 1W J MF R R1414 QRE121J 680Y 68 1 2W J CR R1542 QRE121J 334Y 330k 1 2W J QRE121J 274Y 270k 1 2W J CR T1551 QQH0143 001 QQH0142 001 FBT Part No ...

Page 56: ...J 102Y C R 1k 1 2W J R1367 QRZ0107 152Z C R 1 5k 1W K R1368 NRSA63J 332X MG R 3 3k 1 16W J R1369 QRZ9017 150 F R 15 1 4W J R1370 NRSA63J 151X MG R 150 1 16W J R1371 QRL029J 123 OM R 12k 2W J R1372 NRSA63J 182X MG R 1 8k 1 16W J RESISTOR R1373 NRSA63J 331X MG R 330 1 16W J R1374 NRSA63J 101X MG R 100 1 16W J R1375 QRE121J 102Y C R 1k 1 2W J R1376 QRZ0107 152Z C R 1 5k 1W K R1377 NRSA63J 330X MG R 3...

Page 57: ...X MG R 75 1 16W J R1807 NRSA63J 750X MG R 75 1 16W J R1808 NRSA63J 823X MG R 82k 1 16W J R1809 NRSA63J 391X MG R 390 1 16W J R1810 NRSA63J 823X MG R 82k 1 16W J R1811 NRSA63J 391X MG R 390 1 16W J R1812 NRSA63J 104X MG R 100k 1 16W J R1813 NRSA63J 222X MG R 2 2k 1 16W J RESISTOR R1815 NRSA63J 101X MG R 100 1 16W J R1818 NRSA63J 222X MG R 2 2k 1 16W J R1820 NRSA63J 101X MG R 100 1 16W J R1821 NRSA6...

Page 58: ...9 NCB31EK 104X C CAP 0 1µF 25V K C1630 QETN1HM 475Z E CAP 4 7µF 50V M C1631 NCB31EK 104X C CAP 0 1µF 25V K C1632 QETN1HM 475Z E CAP 4 7µF 50V M C1633 QETN1HM 475Z E CAP 4 7µF 50V M CAPACITOR C1634 QETN1HM 475Z E CAP 4 7µF 50V M C1635 QETN1HM 107Z E CAP 100µF 50V M C1636 QETN1HM 475Z E CAP 4 7µF 50V M C1637 QETN1HM 475Z E CAP 4 7µF 50V M C1638 NCB31EK 104X C CAP 0 1µF 25V K C1639 NCF21CZ 105X C CAP...

Page 59: ... C1977 QEHR1AM 477Z E CAP 470µF 10V M C1978 NCB31HK 104X C CAP 0 1µF 50V K C1980 QETN1CM 107Z E CAP 100µF 16V M C1991 QCZ9079 102 C CAP 1000pF AC250V M C1992 QCZ9079 102 C CAP 1000pF AC250V M C1993 QCZ9079 152 C CAP 1500pF AC250V M TRANSFORMER T1521 CE40203 00CJ1 DRIVE TRANSF T1551 QQH0142 001 FB TRANSF T1901 QQS0182 001 SW TRANSF COIL L1001 CE42050 001Z BEADS CORE L1002 CE42050 001Z BEADS CORE L1...

Page 60: ...X TRANSISTOR Q1953 2SD601A QR X TRANSISTOR Q1954 2SD601A QR X TRANSISTOR IC IC1130 M52342SP I C MONO ANA IC1401 AN5522 I C MONO ANA IC1602 NJW1138M X I C MONO ANA IC1650 AN5276 I C MONO ANA IC1701 TDA9386N22S0902 I C MCU IC1702 AT24C08 21WS3 I C MEMORY OTH SERVICE IC1760 GP1UM281QK IR DETECT UNIT IC1801 MM1492AF I C MONO ANA IC1901 STR F6707A F7 I C HYBRID IC1951 SE115N LF12 I C HYBRID IC1972 R114...

Page 61: ...6W J W1375 NRSA63J 0R0X MG R 0 0 1 16W J W1379 NRSA63J 0R0X MG R 0 0 1 16W J W1388 NRSA63J 0R0X MG R 0 0 1 16W J W1417 NRSA63J 0R0X MG R 0 0 1 16W J W1418 NRSA63J 0R0X MG R 0 0 1 16W J W1430 NRSA63J 0R0X MG R 0 0 1 16W J X1701 QAX0737 001 CRYSTAL Y1001 NRSA63J 0R0X MG R 0 0 1 16W J Y1002 NRSA63J 0R0X MG R 0 0 1 16W J Y1005 NRSA63J 0R0X MG R 0 0 1 16W J Y1130 NRSA63J 0R0X MG R 0 0 1 16W J Y1601 NRS...

Page 62: ...he AV 20N83 VT Symbol No Part Name AV 21D83 VT AV 20N83 VT SCH 1315A CK SCH 1316A CK MAIN PWB R1413 QRX01GJ 3R3 3 3 1W J QRX01GJ 3R9 3 9 1W J MF R R1414 QRE121J 220Y 22 1 2W J QRE121J 390Y 39 1 2W J CR C1524 QFZ0200 902 9000pF 1 5kVH 3 QFZ0200 942 9400pF 1 5kVH 3 MPP CAP C1527 QFZ0199 564 0 56µF AC250V J QFZ0199 124 0 12µF AC250V J MPP CAP Part No REMOTE CONTROL UNIT PARTS LIST RM C1017 1H AV 20N8...

Page 63: ...0007 024A E P CASE AV 20N83 VT 3 LC10469 002A H CUSHION ASSY AV 20N83 BK 3 LC10469 004A CUSHION ASSY AV 20N83 VT 4 RM C1017 1H RC HAND UNIT 5 CP30966 001 H POLY BAG AV 20N83 BK 5 GG30034 001A E POLY BAG AV 20N83 VT 6 LCT1204 001A H INST BOOK AV 20N83 BK 6 LCT1211 001A INST BOOK AV 20N83 VT 7 ATEAB001 00A MATCHING BOX AV 20N83 BK 7 CEAB005 00AJ1 MATCHING BOX AV 20N83 VT 8 CM35847 00B H ROD ANTENNA ...

Page 64: ...10007 025A E P CASE AV 21D83 VT 3 GG10131 001B H CUSHION ASSY AV 21D83 BK 3 GG10131 003A E CUSHION ASSY AV 21D83 VT 4 RM C1027 1H RC HAND UNIT 5 CP30966 001 H POLY BAG AV 21D83 BK 5 GG30034 001A E POLY BAG AV 21D83 VT 6 LCT1204 001A H INST BOOK AV 21D83 BK 6 LCT1211 001A INST BOOK AV 21D83 VT 7 ATEAB001 00A MATCHING BOX AV 21D83 BK 7 CEAB005 00AJ1 MATCHING BOX AV 21D83 VT 8 CM35847 00B H ROD ANTEN...

Page 65: ...1D83 BK AV 21D83 VT AV 20N83 BK AV 20N83 VT MUTING PICTURE BOOSTER OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 CINEMA SURROUND TV RM C1017 MUTING PICTURE BOOSTER OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 TV RM C1...

Page 66: ...ue µF withstand voltage V Type No indication Ceramic capacitor MY Mylar capacitor MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit µH Others As specified 4 Power Supply B1 B2 12V 9V 5V 9Respective voltage values are indicated 5 Tes...

Page 67: ... N N N N 1 SEMICONDUCTOR SHAPES CONTENTS SEMICONDUCTOR SHAPES 2 2 BLOCK DIAGRAM 2 3 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 1 3 AV 20N83 BK AV 21D83 BK 2 5 MAIN PWB CIRCUIT DIAGRAMS 2 3 3 3 AV 20N83 BK AV 21D83 BK 2 7 MAIN PWB CIRCUIT DIAGRAM 1 3 AV 21D83 VT AV 20N83 VT 2 9 MAIN PWB CIRCUIT DIAGRAMS 2 3 3 3 AV 21D83 VT AV 20N83 VT 2 11 PATTERN DIAGRAMS MAIN PWB PATTERN 2 13 MAIN PWB CRT SOCKET P...

Page 68: ... Vout2 Lout2 Rout2 43 44 42 V3 V V3 L V3 R 25 27 MTV R MTV L 15 14 MTV V 13 Lout1 26 Rout1 24 Q111 Q109 47 48 46 Y U V 7 10 64 43 42 CIN CVBS YIN 62 63 2 3 IF IN2 24 IF IN1 23 SIF IN2 29 SIF IN1 28 IC701 V C DEF PROCESSOR 5 6 51 ROUT 52 GOUT 53 BOUT 35 QSS OUT 21 22 VDRB VDRA 33 HOUT 38 IF VOUT R G B L R L R KEY_IN REMOTE LED S901 IC972 3 3V REG 3 3V_STB J770 HEADPHONE JACK 19 Yin1 Vout1 23 V01 BU...

Page 69: ... QQR1113 001Z QQL244K 100Z CH CH NFV41CJ 104X 12MHZ MA3051 M X SLR 342MC T16 X X 100 16 01 X 100 X 120 1 10 100 16 1 10 01 220 220 1 1 2K 1K X X X 470 16 75 01 01 01 X 10 50 10 50 0047 47 35 BW 0 100 33K 0 0 X X 0047 1M 4 7K 1 4 7K X X X X X 10 50 220 75 X 4 7 50 4 7 50 X X X X 27K 0 0 15K 0 100 100 1 15K 220 16 X X 4 7 50 100 X 2 2K 0 100 X X 2 2K 560 01 4 7 50 100K 1K X X X X 100 X 1K X BW X X 2...

Page 70: ...24 NCF21HZ 334X QCZ9079 102 QCZ9079 102 2SC2655 Y T CE40203 00CJ1 H OUT 2SD2634 YD 1W MY MY QRL039J 220 CHGC04 400 G U SE115N LF12 MY QQL244J 5R6Z MY QRZ9017 4R7 QGA2501C5 05Z RGP10J 5025 T3 1 2W 1 2W QEHR1EM 108Z AN5522 1 2W QEZ0203 107 QEHR1EM 108Z QFZ0200 103 RGP10J 5025 T3 RGP10J 5025 T3 NCF21HZ 334X QRL029J 183 RGP30B F1 ICP N75 Y CP QFLC2AJ 683Z 1N4003 T2 1 2W HV QGZ5003C1 04 1 2W 1SS244 T2 ...

Page 71: ...3 001Z QQL242K 100 CH CH NFV41CJ 104X 12MHZ MA3051 M X SLR 342MC T16 2 X X 100 16 01 X 100 X 120 1 16 100 16 1 16 01 220 220 1 1 2K 1K X X X 470 16 75 01 01 01 X 10 50 10 50 0047 47 35 BW 0 100 33K 0 0 X X 0047 1M 4 7K 1 4 7K X X X X X 10 50 220 75 X 4 7 50 4 7 50 X X 0 1 50 X X 27K X 0 0 15K 0 100 100 1 15K 220 16 X X 4 7 50 100 6 X 2 2K X 100 33K X 2 2K 560 01 1 4 7 50 100K 0 1 50 470 1K X X X X...

Page 72: ...1F1 02 QFZ9072 224 1 2W NCF21HZ 334X QCZ9079 102 QCZ9079 102 2SC2655 Y T CE40203 00CJ1 H OUT 2SD2634 YD 1W MY QFLB1HJ 223 QRL039J 220 CHGC04 400 G U U SE115N LF12 MY QQL242K 5R6 QRZ9017 4R7 QGA2501C5 05Z RGP10J 5025 T3 1 2W 1 2W 1 2W QEHQ1EM 108 AN5522 QCB32HK 561 1 2W QEZ0203 107 QEHQ1EM 108 RGP10J 5025 T3 RGP10J 5025 T3 NCF21HZ 334X QRL029J 183 RGP30B F1 ICP N75 Y CP QFLC2AJ 683Z 1N4003 T2 1 2W ...

Page 73: ...1 C614 C959 C760 L540 R007 W380 R597 Y551 W387 W388 Y552 W317 D761 D906 Q720 W366 C686 C720 W033 W012 W W417 W425 Y508 A W275 R661 R663 R664 P CP951 C652 Q688 R1 49 C683 C684 C973 IC650 K954 K951 HS650 P3 Q684 Q686 Q687 W437 D652 D653 D682 R655 W106 R688 R690 R691 R692 B C954 V D733 R687 R729 R745 R769 C752 T901 W051 R546 W009 C709 C710 Q306 Y503 Q F F K101 C312 Y914 H C726 Y701 Y103 K104 L L R R ...

Page 74: ...350 Q351 R356 D351 R357 64 R3 R365 C361 SCREEN TP E W272 C354 Q376 R359 D354 D355 R368 Q352 D357 C375 R379 W052 K I SK351 R371 Q370 R362 R352 C373 C374 MARK 2 B B E C C 1 6 E B C MARK CKF1672 BH1 1 4 1 C371 R373 R381 L352 R376 R383 Q371 D374 Q360 Q361 R366 C360 R367 R355 R350 C350 D350 L350 R370 R361 W438 R360 R363 W433 TP 47G R W439 R372 T U TP 47R G W273 C352 D352 D353 D356 C353 W277 W278 W280 R...

Page 75: ...apan 0212 WPC 4 4 AV20N83BK BK AV21D83BK BK AV21D83VT CK AV20N83VT CK 4 4 VICTOR COMPANY OF JAPAN LIMITED 12 3 chome Moriya cho Kanagawa ku Yokohama Kanagawa prefecture 221 8528 Japan HOME AV NETWORK BUSINESS UNIT ...

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